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HygroPort Portable Hygrometer

1. Figure 2 17 Reset chart the a up and w down scroll keys as cr 0130 1318 Aa 11 files 2 txt 0130 1319 use required CLIFF 1 txt 15K 0305 1352 8397K Free 1Y txt 4K 0315 1738 v The content of the datalog files can ONLY EER EG TEEN EE be examined by enabling the instruments Bluetooth mode see Section 2 6 3 The Figure 2 18 Datalog file list HygroPort application software may be used to upload the datalog files to a PC A shortcut to the LOGGING set up menu is provided by pressing the Enter key Refer to Section 2 6 2 for Logging Set up details Kahn Instruments Inc 21 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Description When the chart is displayed and the instrument is in the logging mode if the gt scroll right key is pressed the current log file is displayed e g see Figure 2 19 The a up and v down scroll keys are both active when the log file is being displayed To view log points taken earlier in the logging cycle press the scroll up key To continuously scroll back hold the key pressed Similarly to move forward in the list press the w scroll down key once for a single step or press and hold to continuously scroll forward CR270309 RH EKT DP 05 Sec 090327 123606 Figure 2 19 Current datalog file The display reports the file name e g CR270309 the primary INT display parameter
2. 2 Connect the HygroPort to the sample gas stream Set a sample gas flow rate of between 0 4 and 2 4 SCFH through the instru ment Turn the instrument ON using the rear mounted ON OFF switch A three 3 minute initialization period commences automatically and is indicated on the instrument display by a count down timer During this period the sensor is heated to increase the mobility of water molecules and accelerate eguilibration with the passing gas sample The status display will read Initializing internal sensor After the three 3 minute initialization period is complete the instrument commences measurement mode During the first few minutes of measure ment mode it is normal to see the displayed moisture value drop rapidly below undershoot the final moisture level before returning to a stable value This under damped response is a result of the hyper responsiveness of the sensor after the initialization period The instrument display will show the measured value and provide a visual indication that the sensor is at first responding to the changing moisture condition status display shows Measurement in progress and a short time later is measuring the true value Status display shows Measure ment OK As soon as the instruments status display indicates Measurement OK the displayed value represents the true value of the moisture level of the gas sample Figure 4 2 shows a typical under damped response curve for th
3. Resolution Measurement Better than 0 1 Cdp 0 2 Fdp Typical Response Speed T95 in lt 15 minutes to 76 Fdp 60 Cdp Electrical Output Input N 4 20 mA external input selectable as either dew point Auxiliary Inputs temperature or pressure Battery Operating Life Up to 48 hours of typical usage between charges Battery Charger Intelligent charger Supplied Measurement Units Operating Conditions Outdoors 0 to 100 RH condensing 50 micron stainless steel sinter in the inlet port other porosities Filters A available Gas Wetted Materials AISI 316L stainless steel Outline Dimensions 8 6 x 6 7 x 3 5 218 x 170 x 90mm d x w x h Weight 2 98lbs 1 35kg Issue 2 February 2014 54 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Appendir 1 Data Logging 8 megabytes Log interval 5 to 60 sec Log files 64 makimum Logs per log file Up to 10 000 Wireless Bluetooth range up to 5m 16ft English French German Italian Portuguese Spanish A 1 Dimensions Wale 218mm 8 567 170mm 6 697 FS WLWOG Figure 37 Dimensions Kahn Instruments Inc 55 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kabn com HygroPort Portable Hygrometer Appendix 2 Datalog Status Display Issue 2 February 2014 56 Kahn Instruments Inc 885 Wells Road
4. adaptor to the Gas inlet port One large orifice adaptor is provided as a loose spare see Section 3 5 Figure 3 2 Gas port adapters Issue 2 February 2014 24 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Installation Figure 3 3 Accessories Kahn Instruments Inc 25 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com Issue 2 February 2014 HygroPort Portable Hygrometer Installation 34 Operational reguirements The following operational conditions apply Sample gas flow rate 0 5 to 2 5 SCFH Operating pressure 0 to 5000 PSIG 3 4 1 Environmental reguirements HygroPort Instrument Operating temperature range 4 F to 122 F 20 C to 50 C Humidity O to 100 R H non condensing Altitude Up to 6500 ft 2000m 3 4 2 Charger electrical requirements Charger supply voltage 100V to 240V AC 10 15 50 60Hz 8VA External Transmitter supply 12V DC 25mA max Current loop excitation supply 12V DC supplied by the HygroPort nstrument 3 5 Instrument gas connections Figure 3 4 Sample gas connections are made via the Gas in and Gas out ports located on the rear of the instrument as shown in Figure 3 4 Each of these ports is equipped with an adaptor 3 which screws into each gas port Two types of adaptors are supplied a small bore orifice to allow sample gas either in or out of the instrument and a larger bore
5. change the field value to STARTED Press the Enter key to start the logging cycle Table 2 4 details the field values To quit press the lt Scroll left key Parameter Parameter variable options FILE NAME Defines datalog file name Field width up to eight alpha numeric characters set with the a up v down and gt Scroll right and 4 Scroll left keys Note Scroll left lt deletes characters PARAMETER Sets parameter to be logged This nmay be the same parameter displayed on the main display or any other parameter Options available DEWP GM3 GKG RH PPMW PPMV CALC DP LOG INTERVAL Sets Log INTERVAL in 5 sec increments Range 5 to 600 sec START Controls datalog START and STOP functions Logging cannot be started if a file name has not been defined Once started log file parameter fields are locked out and cannot be changed Table 2 4 Logging parameter set up Kahn Instruments Inc 15 Issue 2 February 2014 Phone 860 529 8643 Far 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Description 2 6 3 Bluetooth settings Figure 2 10 ENABLE NO BLUETOOTH NAME HygroPort Highlight BLUETOOTH from the main menu by using a combination of the A up and v down scroll keys and press the Enter key The BLUETOOTH set up menu is then displayed See Figure 2 10 BLUETOOTH Initially the ENABLE field is highlighted This AAi Pe field is used to turn the bluetooth function on
6. esse EE ER EE RR EE RE Ee ee EE Re ee EE ee EE Ee ee EE Re ee ee ee ed 28 d d Typical external pressure displaY esse EE ee EE ER EE ER EE Ee ee EE Ee ee EE ee EE Ee ee EE Re ee Ee ee 29 3 8 Typical external dewpoint display wanunua ee EE ee EE Ee ee nunu ee ee ee 29 3 9 Connect ia 30 4 1 AYO de ME Aa 33 4 2 HygroPort operating Ree 34 4 3 ini alzaton ia 36 4 4 Typical screen start up display iss ses ee EE ER EE Ee RA EE ee EE Re ee EE Re ee Ee ee EE Ee ee ee EE Ee ee 36 4 5 Ty elle ege iss ask EE EER BR Ed ee Ak RO ERA GR GE GR ei DR En 37 4 6 Blei AE 37 4 7 Typical current log file MIS aa 38 4 8 Logging set p un 38 4 9 Bluetooth set up MERE EE EE EE EG EE GE EE EO EG REGS GER De DEGIE 39 4 10 Typical Bluetooth pairing Sequence esse ee EE ee EE ee ER ee EE ee EE ee EE ER ee EE kunawa 40 4 11 External Set UP MENU se EER GE EDS ENE ER EE RR ER DIN GEREG Ri SEGE ER GR EE EE Re eg GR EE Se Rg 41 4 12 Human Machine Interface HMI set up men 42 4 13 Typical external display as primary display screen 42 Issue 2 February 2014 vili Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer List of Illustrations Contd 6 2 Calibration sere ed ED Ee GE eee aed td a eae 47 6 3 HygroPort Calibration correction screen ses sie n ED N ee we RS Ee Ge Ke Ne Ds ee AT 6 4 Edit HygroP ort look up EE 48 6 5 e Ee un E E 49 6 6 Easidew single point adjustment ass si DE SEE N ER EE N SEE EEN Ge wi W
7. 6 3 1 HygroPort calibration general From the calibration menu highlight HygroPort Calibration Correction and press the Enter Key This gives access to the HygroPort s calibration look up table as shown in Figure 7 3 and provides the facility to select and change any single or number of points by means of the a up Y down gt right and left keys CALIBRATION Figure 6 3 HygroPort calibration correction screen Kahn Instruments Inc AT Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Calibration The look up table is divided into three columns The values in the first column POINT represent the thirteen nominal calibration points spread at 10 C intervals over the instruments operating range of 100 C to 20 C These points cannot be edited The second column of the table represents the value of the reference REF dewpoint standard applied at that particular point and the value in the column immediately to the right represents the reading that the HygroPort was showing at the corresponding REF level input The values in both the REF and CALIBRATION HygroPort values can be edited by S oe Key means of the A up and w down 80 80 A scroll keys and the gt right and lt left l 60 60 keys provide the means of switching between corresponding table columns To edit a set of look up table values proceed as follows Figure 7 4 shows H EE t
8. Device DE a re ae nat You Want to gt AT Serial Establish a virtual serial port connection with a remote Bluetooth device The connection can then be used by any application that supports the COM port number assigned Figure 4 10 Typical Bluetooth pairing seguence Issue 2 February 2014 40 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Operation 4 8 Select external transmitter The HygroPort is equipped with a 4 20mA current loop interface for the connection of external transmitters One of three types of transmitter may be selected as follows e Pressure transmitter range 0 to 5000 PSIG e Temperature transmitter range 148 F to 212 F 100 C to 100 C e Easidew dewpoint transmitter range 148 F tp 68 F 100 C to 20 C After selecting any of the above devices the following parameters also need to be set up Pressure Zero point minimum pressure the value represented by the 4mA current input level Span maximum pressure the value represented by the 20mA current input level When an external pressure transmitter is installed the external pressure reading is used as system pressure for the basis of calculations Temperature Zero point minimum temperature the value represented by the 4mA current input level Span maximum temperature the value represented by the 20mA current input level Dewpoint Easidew User Pressure Specify the s
9. Wethersfield CT 06109 HygroPort Portable Hygrometer Appendix 2 A3 HygroPort Datalog status display A3 1 Introduction When the status of the current log file is displayed see Figure A3 1 the ST column in the current log file display represents the instrument s status at the time that each log point is recorded EET CR270309 RH EXT_DP 05 Sec 090327 123606 Figure A3 1 Current datalog file display These four columns are a hexadecinmal representation of the instrument s 16 bit status register shown below in Figure A3 2 Bit 1 is the least significant bit The four most significant bits Bits 12 to 16 are not applicable and so the first character in any HygroPort ST display will always read 0 Status register Bit position J Status register Bit position O O O O o ele se mge lee te aas Figure A3 2 HygroPort status register For the example given for each of the log plots shown on in Figure A3 1 Hex 0028 the output pattern of the status register will be as shown in Figure A3 3 Status register Bit position J Status register Bit position AA ele se mge lee te aas D los NA NA EE uu Figure A3 3 HygroPort status register Hex 28 Each of the error bits set High 1 represents a specific status or error condition in this example bits 4 and 6 are set high indicating that two status conditions exist Kahn Instruments Inc 57 Issue 2 February 2014 Phone 860 529 8643 Far 860 529
10. Wethersfield CT 06109 HygroPort Portable Hygrometer Description 2 6 9 Chart options Figure 2 15 A chart displaying a graph of the value of the selected internal sensor parameter with respect to time may be obtained by pressing the gt scroll right key No chart can be displayed if the external transmitter is not available Figure 2 16 shows a typical graphical plot Val 55 6 Min 55 3 Max 68 7 RH Minutes Figure 2 16 Typical chart plot The X axis time has a default range of 5 min and the graph is incremented drawn at the interval set up under SETTINGS see Section 2 6 1 The Y Axis shows the measured value with respect to time The current maximum and minimum values of the displayed parameter are shown to the right of the plot and the units of the selected parameter are displayed below these readings The chart can be reset at any time by pressing the Enter key This provides options to either reset the chart Val 566 by pressing the gt scroll right key or to Mex oz return to the chart without resetting by pressing the lt scroll left key A typical key sequence is shown in Figure 2 17 If the instrument is not logging pressing ME AD EE the gt scroll right key when the chart is displayed provides a list of all the previous ly saved log files together with an indica tion of the available memory capacity see Figure 2 18 To scroll through the list use Press lt to exit
11. battery charge state was low Issue 2 February 2014 58 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 Inside rear cover intentionally blank
12. chart time interval Range 1 to 60 sec default value 5 Table 2 3 General settings Issue 2 February 2014 14 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Description 2 6 2 Logging Figure 2 9 Highlight LOGGING from the main menu by using a combination of the A up and e WA EE down scroll keys and press the Enter key eege AI The logging set up menu is then displayed See Figure 2 9 Initially the FILE NAME field is highlighted This field is used to define a name for a new SAA gt LOGGING log file and can be any combination of Alpha LOG INTERV D numeric characters max 8 digits Note that if a file name is not entered a logging cycle cannot be started 5 S STOPPED To enter the parameter value field press the Enter key A prompt for the first character is gt LOGGING then highlighted Use a combination of the A up and e down scroll keys to insert the first character and then the gt Scroll right key to shift to the second character position 5 S STOPPED N2A LOGGING Repeat the above procedure until all charac ae ters have been entered and press the Enter key 5 S STOPPED Set up the PARAMETER to be logged and Figure 2 9 Set up logging menu the LOG INTERVAL in a similar manner After setting up the logging parameters start the log cycle by selecting START Press the Enter key to highlight STOPPED and use the w down scroll key to
13. ee ee ee Ee ee ee ee EE GE Ee ee 46 Kahn Instruments Inc vii Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer List of Illustrations 1 1 HygroPort Portable Hygrometer ske esse eis sein ego Se RI de Ge Ee eie es ei ee 2 2 1 User connections controls and indicators wamama 3 2 2 ef lued eet 5 2 3 ISIMU AA ME E EE EE EE EE RE Ed 7 2 4 Instrument start up SEQUENCE ies ee EE Ee EE ER Re EE ER ER ee EE Ee ee EE ee EE ER ee EE ee ee ER ee EE Ee ee 9 2 5 Change display UILE AI 10 2 6 ee E de Eens Ee Be RR Ede ei EE be EA AE EG ge Ee 11 21 HygroPort Menu Eed 18 2 8 General settings MEN es ae ee ke ee ee EE ee Re Ee De ee sei is ee 14 2 9 Set up TOG Ken ET EE 15 210 SE es iS ui oe aa 16 2 11 Select external transmitter ees ee ee EE ee ee RE ee RR EE ee RE ee ee ee ee ee 17 212 Real timeclock SEE ie ir ee Ee Se Re be oe ER FR Ee 18 216 DIS DIA Se UNGS ese ate oe EG ea ran sae ei Dead lane Red 19 Pig GO 9 ie AE ET AE EE EE ee ee 20 219 MG SEGE ee EE N Ee Ge ee es 20 2 16 Ee oe ug ele AE RO ER OE EE N 21 2I eu N N N N ERA EE N EE EE N 21 2 16 IA RO E 21 219 Cu mrent datalog TING OGE EG EG EE GE EE io Gr EG Re EE GEE 22 a1 Packing MAA E 23 3 2 GAS tee aa 24 3 3 AE SOON GS AAA IAA 25 34 Examples Of gas coupling types iia 27 3 5 External transmitter connection sissies Ne Keuse Es ee RD er lee Ge 28 3 6 Typical external pressure displaY
14. internal sensor is configured as the the primary large character display and either internal temperature or external transmitter reading is configured as the secondary display depending upon how the instrument has been set up 24 Instrument Start up When turned on the instrument goes through an initialization process default value three minutes during which period the internal sensor is heated in order to dry it out During this period the sample gas flow purges the system After this period the sensor wil be dried to below the dewpoint of the gas to be measured The heating is then switched off and the display becomes active Figure 2 4 shows a typical start up sequence In the example shown the instrument has been configured with an external temperature transmitter When turned on the System Initializing screen is displayed for a period of approxi mately five seconds following which the Initialization screen is displayed for a period of 3 minutes internally preset value During this period the internal sensor is heated to approximately 160 F to dry it out and the real time value of the internal temperature is indicated in the secondary display area During this period gas will be flowing through the sensor and can be externally regulated to meet the instruments flow requirements The initializing icon item 6 on Figure 2 3 is displayed in the status area The primary display area provides a count down clock display indicating how
15. kahn com AC atm bar Bara Bar g C F K COM contd DC ENT FS ft Hz in in N C kg KO Ib LSD m mA max min mm MPa mV MQ No Pa PIN ppm v rdg rdg Ro 232 Rx SWP sec temp Tx V Q Issue 2 February 2014 HygroPort Portable Hygrometer ABBREVIATIONS Note Abbreviations are not pluralized they remain the same in both the singular and plural alternating current pressure unit atmosphere pressure unit 100 kP or 0 987 atm bar absolute bar gauge degrees Celsius degrees Fahrenheit Kelvin absolute temperature common continued direct current enter select full scale foot feet Hertz inch es square inch es not connected no connection kilogram s kilohm s pound least significant digit metre s milli Ampere maximum minute s millimetre s megapascal Pascals x106 milli Volt s megohm s number Pascal s personal identification number parts per million by volume reading percentage of reading serial data transmission standard receive safe working pressure second s temperature transmit Volts Ohms IV Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer WARNINGS The following general warnings listed below are applicable to this instrument They are repeated in the text in the appropriate locations Where this hazard warning symbol appears in the following sections it is
16. setting e g ATMOS is then highlighted PRIMARY DP AT SETTINGS C SETTINGS To change this field value press the Enter key and use either the A up or v down scroll keys to select the required value and then press the Enter key to accept it An example of the key sequence for changing the field value from ATMOS to PRESS is SETTINGS shown in Figure 2 8 E To access the other settings use the A up ETE or v down scroll keys to select the reguired parameter press the Enter key and proceed in a similar manner as described above Figure 2 8 General settings menu Table 2 3 details the field values To duit press the lt Scroll left key Parameter Parameter variable options PRIMARY DP AT ATMOS or PRESS Atmospheric or Pressure Indicates if the primary display sensor is at line pressure or atmospheric pressure DP TEMP UNIT C F or K Sets system dewpoint and temperature units its PRESSURE UNIT Psig Barg KPa Bara Psia MPa Sets system pressure units GAS TYPE Air N USER CO SFe Defines the sample gas type Note that the MOL WEIGHT field is automatically set internally for all gases except USER i e reads N A for all gases other than USER For any other type of sample gas the molecular weight of the gas must be defined in the MOL WEIGHT field MOL WEIGHT Used to set molecular weight of a USER defined sample gas Range 1 to 99 Defaults to 1 when field first selected CHART INTERVAL Sets
17. should only be carried out by qualified personnel Figure 2 14 shows the calibration screen Three options are available HygroPort calibration correction Easidew Transmitter offset adjustment s Easidew Transmitter one point adjustment EE A E Changes The Easidew Transmitter options are only Press lt To Exit displayed if an external Easidew Transmitter has been selected Figure 2 14 Calibration To select any of these options use either the A up or v down scroll keys to highlight the required option and then press the Enter key This gives access to the selected sensors calibration look up table and provide the facility to select and change any single or number of points by means of the A up v down gt right and a left keys After all the changes within the look up table have been made they are accepted by pressing the Enter key No changes are then implemented until the gt Scroll right key is pressed at the exit screen To exit without implementing any changes use the lt scroll left key 2 6 8 Info Figure 2 15 HygroPort Portable Hygrometer To enter the INFO menu highlight INFO from er B the main menu by using a combination of the Feieren Re www kahin com A up and w down scroll keys and press the Enter key Figure 2 15 Info screen This screen contains only system information No changes can be made Issue 2 February 2014 20 Kahn Instruments Inc 885 Wells Road
18. tubing and the smallest diameter possible taking care not to induce pressure differentials by aiming for too high a flow rate through too small a diameter Kahn Instruments supplies a range of precision pressure fittings suitable for use with the HygroPort Contact Kahn Instruments Inc for details of the items available e Gas samples Generally if the sample gas in conjunction with water vapor is not corrosive to base metals it will be suitable for measurement by the HygroPort Gases containing entrained solids should be filtered before application to the instrument Care should be taken with gas mixtures containing potentially condensable components in addition to water vapor e g oil to ensure that only water vapor is present in the sample Once present on the surface of the sensors oil will not dry out but will contaminate and damage them Issue 2 February 2014 44 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Calibration 6 Calibration 6 1 Traceability The calibration of this instrument is traceable to national standards i e NIST For this reason itis recommended that the instrument be returned to Kahn Instruments Inc A calibration certificate bearing a seven point calibration is issued with each instru ment Kahn Instruments Inc 45 Issue 2 February 2014 Phone 860 529 8643 Far 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrom
19. 1 C dp between the TE NE IE readings of the HygroPort and the SSC ee ja external transmitter at the applied dewpoint e g as shown in Figure 6 6 4 Press the gt right scroll key to apply the offset Offset value saved press lt to exit 5 Confirm the operation by pressing HygroPort 20 6 C dg the gt right scroll key or to exit Easidew without applying the offset press EL the left scroll key 6 The offset value for this point is now q saved and the External transmitter reading at this one point adjusted SERE to match that of the HygroPort HygroPort Calibration Correction Easidew Offset Adjustment 7 Press the lt left scroll key to exit back to the calibration menu Figure 6 6 Easidew single point adjustment Issue 2 February 2014 50 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Shipping 7 Preparation for shipping For shipping purposes the instrument should be packed into its original carton to provide the recommended degree of protection during transit To prepare the instrument for shipping proceed as follows 1 Switch the instrument off and remove any connections to the Gas in and Gas out ports Also remove any external transmitters connected to the HygroPort If applicable remove the instrument from its carrying case Pack the instrument in its original case 1 as shown in Figure 7 1 Note Any accessories should be p
20. 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Appendix 2 Table A3 1 shows the status flags associated with each bit of the status register If a status flag is set high then the associated condition exists If set low then that condition does not exist Status Register Bit in Hex 0x0002 BIT 2 0x0004 BIT 3 0x0008 BIT 4 0x0010 BIT 5 0x0020 BIT 6 0x0040 BIT 7 0x0080 BIT 8 0x0100 BIT 9 0x0200 BIT 10 0x0400 BIT 11 0x0800 BIT 12 Eie Reading Out of Range beyond Internal thermistor error 100 40 C EE External Sensor Input out of range lt 4mA gt 20mA Battery low Battery voltage lt 4 7V Measurement in Internal dewpoint not stable progress Measurement OK Internal dewpoint stable Log file has reached the Log finished maximum of 10 000 logs and logging has been stopped Could not detect internal sensor Internal sensor not found On power up Config file missing new file created and default settings used Flow rate too high Flow rate Is higher than specified maximum Initializing internal sensor DEES system Ak purging phase Default CONFIG file used Table A3 1 Status register flags For the example given in Figure A3 1 from Table A3 1 Hex 28 translates reading from right to left as Bit 4 set System Stable and Bit 6 set Battery Low Therefore at the time that these log points were taken the system was stable but the
21. 4 5 1 Display datalog file NSU E 37 4 5 2 Display current datalog file sesse RS SN ie Gie ES ee ER N sie Ee Dk N EEN 38 4 6 BO ae RE ER OE EE EE EE 38 4 7 Bluetooth MA Ai 39 4 7 1 Bluetooth Ee ln eege tee 39 4 8 Select Ee Eu san SE RE Ee DERE EK Ge ESE mimina kimu mini ee nin 41 4 9 Interchange primary and secondary displays ENNEN 42 5 Good measurement practice see ER SERE GEE REG ER Ge ENE we See N N ees Gee Ge EE 43 5 1 General ere ee UE 43 6 ei ue 45 6 1 esel E 45 6 2 HygroPort adjustment procedure esse siese sede ee si gee bed imani oe E 46 6 3 Calibration correction med EN GR go eN Be ae ae Re GR iweni ge ed AT 6 3 1 HygroPort calibration correction sed ORN AR ER DEK DE is Ee Ee AT 6 3 2 Easidew Offset Adjustment sesse sesse esse ss in Dee se GE EE DRR GR GR Ee Ge Ee dee 49 6 3 3 Easidew One Point Adjustment s iss ses EE Ee SERS Ee EG EE ee Si ee ee EE Dee GERS EE Di 50 7 NO OMA RE AA EE EA 51 List of Tables 2 1 AygroPort Controls and Mine Tee 4 2 2 ii ele EE 7 23 BEN ee E 14 24 Logging parameter TEE 15 25 UA Ia 16 26 External transmitter selection sissies bien EEUE Si si Ee dd er de eie ge se ie ind er 17 2 7 Real time clock selde se Ge se Ga AG ei 18 2 8 Human Machine Interface HMI settings ees esse ee ee se ss ees ee ee ee ee ee ee EE ee ee ee ee ee 19 CN WE e ea MUNG N 26 4 1 ak cette See de E TIET 32 4 2 HygroPort sensor response times kA 35 6 1 Example of calibration run readings eie ee ee EE EE ee EE
22. HygroPort Portable Hygrometer User s Manual KAHN INSTRUMENTS INC 885 Wells Road Wethersfield CT 06109 Phone 860 529 8643 Fax 860 529 1895 E mail info kahn com www kahn com Inside front cover blank HygroPort Portable Hygrometer HygroPort Portable Hygrometer Kahn Instruments Inc i Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer SAFETY The manufacturer has designed this product to be entirely safe when operated correctly 1 Please pay careful attention to the Safety Instructions outlined on this page and elsewhere in this manual They have been designed to protect the user from personal injury and the eguipment from damage 2 Please observe the installation advice and any operational limitations given in this manual 3 This eguipment must only be used for the purpose for which it was designed Electrical safety The instrument is designed to be completely safe when used with options and accessories supplied by the manufacturer for use with the instrument The instrument is powered by an internally mounted rechargeable battery The input power supply voltage limits for the battery charger supplied with the instrument are 100V ac to 240V ac 47Hz to 63Hz Refer to Appendix 1 Specification Caution Only the battery charger unit supplied with the instrument should be used Pressure safety DO NOT permit pressures gr
23. NSTRUMENTS INC sites LA WA 7 85 Wells Road N SE fae Wethersfield CT 06109 Phone 860 529 8643 860 529 1895 David A Kahn Vice President 860 529 1895 E mail hygros kahn com Issue date 05 2011 HygroPort Portable Hygrometer EC Declaration of Conformity Michell Instruments Limited 48 Lancaster Way Business Park Ely Cambridgeshire CB6 3NW UK declare under our sole responsibility that the product HygroPort Portable Hygrometer to which this declaration relates is in conformity with the following standards or other normative document s EN61326 1 2006 EN61326 1 2006 E301 489 1 V1 6 1 Class B CFR 47 2007 Class A Electrical equipment for measurement control and laboratory use EMC requirements Group1 Class B equipment emissions section only Electrical equipment for measurement control and laboratory use EMC requirements Inustrial location immunitty immunity section only Electromagnetic compatibility and Radio spectrum Matters ERM Electromagnetic compatibility EMC standard for radio equipment and services Part1 Common technical requirements Code of Federal Regulations Pt 15 Sub part B Radio Freqency Devices Unintentional Radiators Kd Andrew MV Stokes Technical Director Date of Issue June 2009 b MICHELL instruments Kahn Instruments Inc iil Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www
24. Note This product has been tested and found to comply with the limits or Class B digital devices pursuant to Part 15 of the FCC rules This product generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not in a particular installation If this product does cause harmful interference to radio reception which may be determined by turning the product on amp off the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the product and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help This product must be operated as per the operating instructions provided Do not make any alterations or modifications to the product Any unauthorised alterations or modifications made to this product may require you to stop operating the product Canadian Radio Interference Regulations This Class B digital product complies with Canadian ICES 003 CISPR 22 1997 Reglement canadien sur les interf rences radio Ce produit num rique de classe B est conforme a la norme NMB 003 CISPR 22 1997 Signed for and on behalf of KAHN I
25. above settings duit the settings menu and the instrument will now display temperature in the secondary display area and the selected units An example is shown in Figure 3 7 Dewpoint External 6 9 ao Measurement OK Cd e Figure 3 7 Typical external temperature display 3 6 3 Set up external dewpoint Easidew transmitter parameters After adding an external dewpoint transmitter the following parameters must be defined Switch on the instrument and initially set the required DP TEMP units to either C F or K from the general SETTINGS menu refer to Section 2 6 1 Also set up the required pressure units Using the EXTERNAL option from the main menu set up the instrument for an external pressure transmitter input as follows Refer to Section 2 6 4 EXTERNAL TYPE Select EASIDEW EXTERNAL ZERO 100 C Dewpoint TEMP represented by 4mA input can be reset EXTERNAL SPAN 20 C Dewpoint TEMP represented by 20mA input can be reset USER PRESSURE Set as required for application ATMOS or pressure level After completion of the above settings duit the settings menu and the instrument will now display the external dewpoint temperature in the secondary display area and the selected units An example is shown in Figure 3 8 Dewpoint Measurement OK Figure 3 8 Typical external dewpoint display Kahn Instruments Inc 29 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kab
26. acked in the box 4 Unless returning for repair it is not necessary to return the manual 3 any external trans mitters or the battery charger 4 Create a packing list detailing all equipment contained in the box place it inside the box and seal the box Figure 7 1 Instrument packing details Kahn Instruments Inc 51 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kabn com HygroPort Portable Hygrometer Shipping This page is intentionally blank Issue 2 February 2014 52 HygroPort Portable Hygrometer Appendix 1 Specification Kahn Instruments Inc 53 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com Issue 2 February 2014 HygroPort Portable Hygrometer Appendix 1 Appendix A Technical Specifications Performance Measurement Technology Michell ceramic sensor 1 8 F 1 C from 76 to 68 Fdp 60 to 20 Cdp Accuracy 3 6 F 42 C from 148 to 76 Fdp 100 to 60 Cdp 0 3 F 0 2 C temperature For Spot Checks 95 to 68 Fdp 70 to 20 Cdp abbr ated Medouteimenb Kange For Online Analysis 148 to 95 Fdp 100 to 70 Cdp Uncalibrated Readings From 68 to 86 Fdp 20 to 30 Cdp C F K dew point amp gas temperature RH ppm g m ppm amp g kg for air N H CO SF user defined mw aux pressure input bara g psig MPa KPa Resolution Display ees a derived units and auto ranging where
27. adjustment run readings Issue 2 February 2014 46 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Calibration 6 3 Calibration correction method To enter the calibration menu screen highlight CALIBRATION from the main menu by using a combination of the A up and e down scroll keys and press the Enter key Note that any logging procedure currently in operation must be cancelled before the calibration procedures can be entered Entry to the calibration menu screen is protected by a PIN which must first be entered The PIN 4876 is entered in a similar manner to that described in Section 2 5 Figure 6 2 shows the calibration menu screen which is displayed after a correct calibration PIN has been entered Select calibration HygroPort Calibration Correction Easidew Offset Adjustment Easidew One Point Adjustment Figure 6 2 Calibration screen From the calibration menu three options are available e HygroPort calibration correction e Easidew offset adjustment e Easidew one point adjustment The Easidew offset adjustment and Easidew one point adjustment options are only displayed if an external Easidew transmitter has been selected refer to Section 2 6 4 To select either of these options use either the A up or v down scroll keys to highlight the reguired option and then press the Enter key The following sections describe the calibration correc tion procedure for each option
28. age To edit y item FILE NAME ENABLE NAME YEAR DAY ims uza EET ER ki ER m H Scroll A To Select Menu ltems y Item Scroll to A Adjust Digit y PASSCODE FOR CAL MONTH HOUR CONTRAST BRIGHTNESS KEY TONE BL TIMEOUT LANGUAGE PRIMARY DISP lt d To Select Cal Point A To Adjust y Value CAL CORRECTION TABLE 100 to 60 CAL CORRECTION TABLE 50 to 10 CAL CORRECTION TABLE 0 to 20 HygroPort CAL CORREC ER EASIDEW OFFSET ADJ ET EASIDEW 1 POINT ADJ YES INFO PAGE EASIDEW CAL PAGE d LEGEND Enter Key gt Up Down Keys lt gt Left Right Keys Figure 2 7 HygroPort Menu Structure Kahn Instruments Inc 13 Issue 2 February 2014 Phone 860 529 8643 Far 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Description 2 6 1 General settings Figure 2 8 When the main menu is first entered the general SETTINGS option is highlighted in reverse video This is the general settings option and the associated menu Figure 2 8 is displayed by pressing the Enter key Initially the PRIMARY DP AT field is highlighted This field selects whether the yi SETTINGS instrument has been set up to take readings i at atmospheric pressure or system pressure To enter the parameter value field press the Enter key The current
29. and off To enter the parameter value field press the Enter key The current field setting NO will N BLUETOOTH now be highlighted NAME HygroPort To enable the Bluetooth function use the v in Bluetooth mode down scroll key to change the field setting to YES and press the Enter key Figure 2 10 Bluetooth settings Bluetooth is now running Note that a status message in Bluetooth mode is now displayed and this screen now remains until the Bluetooth mode is cancelled by pressing the A up key To change the Instruments default bluetooth address for pairing operations refer to Section 4 7 before enabling Bluetooth as described above enter the name field using the w down key and press the Enter key With the name field now highlighted using a combination of the 4 up v down gt Scroll right and lt Scroll left keys select each digit position of the name and change to the required value Press the Enter key when the correct name has been fully entered Table 2 5 details the field values To quit press the lt Scroll left key Parameter Parameter variable options ENABLE NO or YES Field used to turn the Bluetooth facility ON Press Enter key to select Toggle NO to YES with the v down scroll key and YES to NO with the up scroll key followed by the Enter key Used to set up a Bluetooth name address for the instrument Maximum eight alphanumeric characters Default name set is Hy
30. ction Easidew Offset Adjustment Easidew One Point Adjustment Figure 6 5 Easidew offset adjustment Kahn Instruments Inc 49 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com Issue 2 February 2014 HygroPort Portable Hygrometer Calibration 6 3 3 Easidew One Point adjustment Figure 6 6 If an external Easidew transmitter has been configured this calibration option may be used to apply a measured offset to just one specific point on the calibration curve of the External transmitter without affecting any other parts of the curve The single point selected is moved either up or down depending upon the polarity of the measured offset The following calibration correction procedure is applicable to all single points Select calibration 1 Set up the HygroPort and the HygroPort Calibration Correction external Easidew transmitter to Easidew Offset Adjustment monitor the same sample gas stream and connect to a dewpoint generator 2 Apply a dewpoint reference to the Communicating with Easidew HygroPort and External transmitter at the required dewpoint 20 6 C in this example Press Bb to calibrate HygroPort 20 6 C dg Easidew 21 7 C dp Offset 1 1 C dp 3 From the calibration menu select Easidew One Point Adjustment and press the Enter key The offset adjustment screen is now displayed which reports the size of Press to confirm or press lt to exit the offset 1
31. d use either the A up or v down scroll keys to highlight the required parameter and then press the Enter key to enter the value field for that parameter e g HOUR The current setting e g 09 in this example is then highlighted and can be changed by using either the A up or v down scroll keys Holding either key will cause the value to continually either increase or decrease Press the Enter key to accept the value Figure 2 12 illustrates a typical real time clock set up screen and shows the method The selection and changing of the HOUR parameter from e g 9 32 to 10 32 Figure 2 12 Real time clock settings Table 2 7 details the field values To quit press the lt Scroll left key Parameter Parameter variable options Range 00 to 99 Scroll value with the A up or e down scroll keys accept value with the Enter key Range 01 to 12 Scroll value with the A up or e down MONTH scroll keys accept value with the Enter key YEAR Range 01 to 31 Scroll value with the A up or e down scroll keys accept value with the Enter key Range 00 to 23 Scroll value with the A up or v down HOUR scroll keys accept value with the Enter key Range 00 to 59 Scroll value with the A up or e down scroll keys accept value with the Enter key Table 2 7 Real time clock settings Issue 2 February 2014 18 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrom
32. e the calibration curve of the external Easidew transmitter is shifted either up or down depending upon the polarity of the offset The calibration procedure is as follows Figure 7 5 shows the key seguence 1 Set up the HygroPort and the external Easidew transmitter to monitor the same sample gas stream 2 From the calibration menu select Easidew Offset Adjustment and press the Enter key The offset adjustment screen is now displayed which reports the size of the offset 1 3 C between the readings of the HygroPort and the external trans mitter e g as shown in Figure 6 5 3 Press the gt right scroll key to apply the offset 4 Confirm the operation by pressing the gt right scroll key or to exit without applying the offset press the lt left scroll key 5 The offset value is now saved and the External transmitter reading adjusted to match that of the HygroPort 6 Press the lt left scroll key to exit back to the calibration menu Select calibration HygroPort Calibration Correction Easidew Offset Adjusiment Easidew One Point Adjustment Communicating with Easidew Press Bb to calibrate HygroPort Easidew Offset 7 3 C dp 1 3 C dp Press to confirm or press lt to exit HygroPort Easidew Offset 6 6 C dp 7 3 C dp 1 3 C dp Offset value saved press lt to exit HygroPort Easidew 6 6 C dp 0 0 C dp Select calibration HygroPort Calibration Corre
33. e HygroPort Please note that under certain conditions the level of under damping will be less pronounced or not observable at all This is normal when measuring lower dew points drier gas samples 4 3 1 Response times Typical HygroPort Response Times from 5 C DP initial conditions Including 3 min sensor conditioning for various dew points for T90 and T95 are shown in Table 4 2 Issue 2 February 2014 34 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Operation Reference Display Reading O Initializing Internal Sensor 10 20 Measurement in Progress O 20 Q a A 50 60 T Measurement OK 70 O 2 4 6 8 10 12 14 16 18 20 Time min Figure 4 2 HygroPort Operating Cycle j 195 Response Time zc 190 Response Time Response Time min CO A 0 0 10 20 30 40 50 60 70 80 90 Dew Point of Gas being Measured C Table 4 2 HygroPort response times Kahn Instruments Inc 35 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Operation 44 First time operation To begin operation proceed as follows 1 Con
34. eater than the safe working pressure to be applied to the instru ment The specified safe working pressure SWP for this instrument is 5000 PSIG Refer to Appendix 1 Specification Toxic materials The use of hazardous materials in the construction of this instrument has been minimized During normal operation it is not possible for the user to come into contact with any hazardous substance which might be employed in the construction of the instrument However care should be used during maintenance and the disposal of certain parts Repair and maintenance The instrument must be maintained by the manufacturer Calibration The recommended calibration interval for this instrument is 12 months The instrument should be returned to Kahn Instruments Inc for re calibration Safety conformity This product carries the CE mark and meets the requirements of all the relevant U S and European safety directives Refer to Appendix 1 Specification for details Issue 2 February 2014 il Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 FCC Declaration of Conformity FE HygroPort Portable Dewpoint Hygrometer This Device complies with FCC Rules Part 15 Subpart B Unintentional Radiators Class B digital devices Operation is subject to the following conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation
35. eric pressure or system pressure Kahn Instruments Inc 1 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kabn com HygroPort Portable Hygrometer Introduction Figure 1 1 HygroPort Portable Hygrometer Issue 2 February 2014 2 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Description 2 Description The controls and indicators associated with the HygroPort Portable Hygrometer are located on the front panel of the instrument Connections to the HygroPort Portable Hygrometer comprising the gas ports battery charger input connector and input connector for the external transmitter are all made to the top panel Figure 2 1 shows the layout of these controls and Table 2 1 describes their respec tive operational functions Figure 2 1 User connections controls and indicators Kahn Instruments Inc 3 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kabn com HygroPort Portable Hygrometer Description 2 1 Controls and indicators en Pan ER Function keys Refer to Table 2 2 for the details of these keys Instrument display Partitioned to show 3 main panes a primary display showing internal sensor parameters a secondary display indicating the selected external transmit ter parameter dewpoint pressure or temperature and a status display area The status display area sho
36. es be de ee ee 50 7 1 Instrument packing Be UC 51 A3 1 Current datalog file display Appendix 2 61 A3 2 HygroPort status register Appendix 21 61 A3 3 HygroPort status register Hex 28 siese ese Ee Ns Ee Ee Dee ie De Gees Ee EE 61 List of Appendices Appendix SSD SCHICANON ss ae N EE SERE Ge ee T Aa Re Be se Ee NARE 53 Appendix 2 Dataloo status display issie EDE Ri es GEE de EE REEDE Dee Eg EE Eed 56 Kahn Instruments Inc Ix Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kabn com HygroPort Portable Hygrometer Introduction 1 Introduction The HygroPort Portable Hygrometer is a portable instrument designed for the on line measurement of moisture content in non corrosive gases over an operational range of 148 F to 68 F 100 C to 20 C The instrument is contained within a molded high impact case sealed to NEMA 4 and is powered by an internally mounted Nickel Metal Hydride NiMH battery designed to last a minimum of 48 hours continuous use between charges Continu ous battery charge status indication is provided Additional battery status informa tion is provided by a battery low warning beep and indicator The instrument utilizes a high accuracy internally mounted ceramic dewpoint sensor and is supplied complete with battery charger probe and carrying case A4 20mA current loop input is provided which can be programmed to interface with a number of different external
37. eter Calibration 6 2 HygroPort adjustment procedure WARNING These procedures reguire the use of specialized test eguipment and adjustments should only be carried out by gualified personnel If not correctly carried out the instrument s calibration can be lost The adjustment procedure for the instrument is as follows de Switch on the instrument allow the initialize period to complete and allow sufficient time for it to stabilize Ensure the instrument is set up with sample gas as AIR and operating pressure as ATMOS Ensure that the temperature units are set up as C and the primary display is reading Dewpoint Connect the HygroPort to a dewpoint generator and establish a gas flow through the instrument Apply a dewpoint of 100 C and allow the instruments reading to stabilize for a minimum of 96 hours including dry down Measurement OK must be displayed in the status line when readings are taken Record the applied REF dewpoint and the corresponding HygroPort display reading Repeat steps 5 and 6 at all the required dew point values over the operating range of the instrument as shown in Table 6 1 allowing the stabilization times shown before recording consecutive readings A set of results similar for example to that shown in Table 6 1 could be generated over the calibration range of the instrument Stabilize HygroPort Stabilize HygroPort Time Reading Time Reading Hours Hours Table 6 1 Example of
38. eter Description 2 6 6 Display Settings Figure 2 13 To enter the display menu highlight HMI from the main menu by using a combination of the a up and w down scroll keys and Ep OE press the Enter key The HMI set up menu G t is then displayed See Figure 2 13 Initially the display CONTRAST parameter is highlighted and the current setting e g 50 is displayed EE BL TIMEOUT g LANGUAGE ENG To select any of other parameter fields use either the A up or e down scroll keys to highlight the reduired parameter and then press the Enter key to enter the value field for that parameter e g PRIMARY DISP BRIGHTNESS A KEY TONE Note that this option is only accessible if an BL TIMEOUT external transmitter has been configured The current setting e g INTERN in this example is then highlighted and can be changed by using either the a up or v sr down scroll keys Press the Enter key to EA LANGUAGE ENG accept the value EXTERN Figure 2 13 shows a display set up screen and the method of changing the primary Figure 2 13 Display settings display to show the output of either the internal sensor INTERN or the external EXTERN transmitter Table 2 8 details the field values To duit press the lt Scroll left key Parameter Parameter variable options 0 to 100 in 5 increments Scroll value with the a up or v CONTRAST down scroll keys accept selection with the Enter key 0 to 100
39. ethod of Figure 2 5 Change display units changing display units from Dewpoint to Absolute Humidity 2 5 Menu structure All instrument settings are made from a top level Settings menu which is accessible from the main screen This menu is accessed from the main display by pressing the Enter Select key This gives access to the passcode entry screen which before displaying the Settings menu requires the passcode PIN 7316 to be entered Note After 10 sec of inactivity on the main screen the keyboard is locked To unlock press any key Figure 2 6 shows the entry sequence This flowchart and all other flowcharts in this handbook should be be read from top to bottom left to right With the first digit of the passcode entry screen highlighted in reverse video enter the first digit 7 by pressing the down v key three times Note that pressing the up 4 key six times would have the same effect Press the Enter key to accept this entry and move to the next digit position Enter the second digit by pressing the up A key three times to display 3 in reverse video and again press the Enter key to accept the second digit and move the cursor to the third digit position Repeat this procedure following Figure 2 6 until all the passcode digits have been entered On successful entry of the last digit 6 the top level Settings menu is displayed If the passcode is incorrectly entered the passcode screen is displayed showing the entrie
40. groPort Must be set up before the Bluetooth mode is enabled and instrument reset to apply the new name Table 2 5 Bluetooth Settings Issue 2 February 2014 16 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Description 2 6 4 External transmitter selection Figure 2 11 Highlight EKTERNAL from the main menu by using a combination of the A up and i ewe v down scroll keys and press the Enter g key The EXTERNAL set up menu is then displayed See Figure 2 11 Initially the EXTERNAL TYPE field is highlighted This field is used to select the EXTERNAL type of external transmitter to be used USER PRESSURE To enter the parameter value field press the Enter key The current setting e g NONE in this example is then highlighted and can be changed Use either the A up or v down a 10 C scroll keys to highlight the required type and Nd then press the Enter key USER PRESSURE Figure 2 11 illustrates the selection of an EASIDEW transmitter Note that the ZERO and SPAN limits are automatically added for this transmitter For external TEMP and Se ESEL PRESS transmitters these limits will need to Geier i be defined Use the a up and w down scroll keys to select each parameter that needs to be entered in turn and press the Enter key Figure 2 11 Select external transmitter Note that unless an external PRESS transmitter is selected a system operating p
41. gs Figure 2131 19 2 6 7 Calbraton Figure 2 TA ESE DE EE EG EE EG Ges EER GE EG ERGE Er de GE 20 2 6 9 GliariopioiisiFiaure 2 19 sees ERGER ED EG Ee GE MAA ie eie oe ke Ee 21 3 e E en Oe RE OR ee N ATA MUASI 23 3 1 SLY EE ER IE EE EO DE EE TE N AE N ON 23 3 2 Unpacking the EE 23 3 3 Fay OF OF OF ACCES SONGS Ia 24 3 4 Operational requirements nnnnannnnaennnneannnnennnnneninnnrrrnnnrrrnrnrrnnnnrrnnnnrrnnnrenennrene 26 3 4 1 Environmental reduiremehis ts ss EE ee ee se eie ie ee ge es ee ee 26 3 4 2 Charger electrical requirements eie ee EE EE ee AA EE ee ee ER Ee ee ee ee EE EE iwe 26 3 9 Instrument gas CONMECIONS ss ide Kei NESER EG Re Ee N n GE AE AE ee Ek 26 3 9 1 Fit gas inlet outlet adaptors Figure 34 27 3 6 Connect external transmitters www ini ee ee EE GE 28 3 6 1 Set up external pressure transmitter parameters esse ee see ee ee ee ee ee ee 28 3 6 2 Set up external temperature ParaMetels wanane wananumanuwwwa 29 3 6 3 Set up external dewpoint Easidew parameiers 29 SA Connect battery charger Figure 30901 30 Contents Contd Issue 2 February 2014 vi Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer 4 EIER 31 4 1 Preparation for OperatiON ER EE 31 4 2 General operational iniormaUON iss EE ek Re ss se Ge ge Se ee ee ER EE 31 4 3 Operating Cycle EE EE EE N EL N IE N ONE EE 34 4 3 1 SEENEN 34 44 Firsttime OG op AI kaa EE N SN 36 4 5 Eege 37
42. he key sequence 1 Initially upon entering the look up E aoe aS di table the REF column is highlight l ed From the calibration run e g see Table 7 1 enter the exact value of the REF dewpoint supplied to the instrument 100 1 by using the appropriate the A up and v down scroll keys Er r x 2 To change a single point only 60 60 use the gt right scroll key press 5 times to then highlight the corre sponding HygroPort row entry and use the appropriate the A up and A down scroll keys to edit this CALIBRATION value to the value recorded during the calibration run 99 8 Alter natively if all values are to be edited enter all five REF points and then enter all the correspond ing HygroPort points CALIBRATION 3 Repeat steps 1 and 2 above for all the table entries that need to be made Press gt To Save Changes 4 After the last entry has been RE made press the Enter key 5 To accept the changes press the gt right scroll key or to return to the Figure 6 4 Edit HygroPort look up table calibration menu screen without making any changes press the lt left scroll key Issue 2 February 2014 48 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer 6 3 2 Easidew offset adjustment Figure 6 5 Calibration If an external Easidew transmitter has been configured this calibration option may be used to apply a constant offset over its full span i
43. in 5 increments Scroll value with the a up or v Wa S down scroll keys accept selection with the Enter key KEY TONE ON OFF Toggle with the A up or e down scroll keys accept selection with the Enter key BL TIMEOUT OFF 15 to 60 sec in 15 sec increments Scroll value using the A Backlight control up or w down scroll keys accept selection with the Enter key AGE ENG DEU ESP FRA ITA POR Select with the a up or v LANGU down scroll keys accept selection with the Enter key INTERN EKTERN Set with the A up or v down scroll keys PRIMARY DISP accept selection with the Enter key Table 2 8 Display Settings Kahn Instruments Inc 19 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Description 2 6 7 Calibration Figure 2 14 To enter the calibration menu screen Select calibration highlight CALIBRATION from the main menu HOED LE IE n Correction by using a combination of the A up and e Easidew Offset Adjustment Easidew One Point Adjustment down scroll keys and press the Enter key Entry to the calibration menu is protected by a PIN which must first be entered The PIN 4876 is entered in a similar manner to that described in Section 2 5 Section 6 details the use of the Calibration routines CALIBRATION WARNING These procedures require the use of specialized test equipment and calibration adjustments
44. ing off charge the charge indicator LED assumes a steady green state indicating that the battery charge cycle is now complete Switch off the AC power supply remove the charger unit and close the instrument s charge connector protection cover A discharged battery will be fully charged after approximately 2 hours Issue 2 February 2014 30 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Operation 4 2 Operation Preparation for operation The instrument has a user friendly menu driven system of operation and before operation it is recommended that the user become familiar with Section 2 of this publication in which all the eguipment controls and indicators the elements of the display and the overall menu structure are described Prior to making a measurement the instrument must have been connected to a sample gas stream as described in Section 3 It is also recommended that the battery be fully charged before conducting any tests refer to Section 3 7 The instrument will also have been set up with a number of factory default parameters These default parameters are shown in Table 4 1 together with a reference to the relevant section of Section 2 which detail the method of changing these default values General operational information Operation of the HygroPort Portable Hygrometer is completely automatic and once set up requires little or no operator intervention The instr
45. ing to dewpoint changes a Measurement in progress message is displayed When the reading has been acquired and the instrument has been dynamically tracking it for a given period a message indicates that the instrument reading is stable and within 0 9 F 0 5 C for two minutes Issue 2 February 2014 8 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Description HygroPort System Initializing Internal Initializing 01 32 70 4 C Temp Initializing internal sensor RB d EE Dewpoint External C 70 3 6 8 GC Temp Dewpoint External 6 9 70 1 C Temp Measurement OK Figure 2 4 Instrument start up sequence Kahn Instruments Inc 9 Issue 2 February 2014 Phone 860 529 8643 Far 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Description 2 4 1 Display units The instrument can display the measured reading in a number of D i f ewpoint different units as follows Dewpoint C in F C or K Absolute Humidity in 7 8 g m Mixing Ratio in g kg Relative Vise allenic Humidity Temperature in C F or K Moisture Content ppmw Moisture Content ppmv and Calcu lated Dewpoint at pressure F C or K Absolute Humidity 8 133 Measurement OK To toggle between displayed units press either the up A key or down v keys Figure 2 5 illustrates an example showing the m
46. isplayed if datalogging is not selected or the logs page current data if logging is selected If logging is not selected by pressing the Enter key a shortcut to the datalog set up menu is provided Where more than one page of data is available either for log files or log data the A up and v down scroll keys are used to scroll through the available list To prevent unauthorized modification of the instrument s calibration tables entry to the calibration menu is protected by an additional passcode PIN The method of entry is the same as that described in Section 2 5 see also Figure 2 6 except that a Cal PIN replaces the Settings PIN refer to Section 7 Within the Calibration routines automatic recognition of an external Kahn Easidew dewpoint transmitter is provided which causes the relevant calibration table to be displayed refer to Section 2 6 7 The Information page accessible from the main menu page provides system informa tion including Firmware Issue No Serial No Calibration Due Date Sensor Hours Run Issue 2 February 2014 12 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Description Files Page Logs Page Scroll A To Toggle Menu hems W O Selection of item A Scroll Unit Main display Primary Chart page Secondary and Status only if internal sensor Windows available PASSCODE FOR SETUP Ki Adjust Digit 27316 O Chart Reset P
47. le SETTINGS LOGGING BLUETOOTH EXTERNAL CLOCK HMI CALIBRATION and INFO These options are selected by means of the A up and v down scroll keys As each option is highlighted it is presented in a reverse video box Pressing the Enter key then provides access to a sub level menu which permits the variables associated with that option to be edited The sub menu associated with each main menu option is shown Within each group of sub menus the A up and e down scroll keys are used to highlight each field within the group and the Enter key is used to select the field Once a field has been selected A up and w down scroll keys are then used to edit the parameter value associated with that field The new value is then entered by pressing the Enter key After accepting a new value quit the sub menu by pressing the lt Scroll left key which returns the operator to main menu From the main menu either select another sub menu or press the lt Scroll left key again which returns the operator to the passcode entry screen Pressing the a Scroll left key again returns to the main display The following sections describe the various second level sub menus From the main screen pressing the gt Scroll right key causes the chart to be displayed Note that the chart interval is set up under the Settings option of the main menu Pressing the gt Scroll right key when the chart is displayed will cause either the log files to be d
48. le tubing should be specially designed for each application rather than adapted from that previously installed for another application Dead space in sample lines increases response time by holding water molecules which are more slowly released to the passing gas sample e Remove any particulate matter or oil from the gas sample Particulate matter can damage the sensors If particulate matter such as degraded desiccant scale on rust are likely to be present in the sample gas use a particulate in line filter Kahn Instruments will be happy to give advice on appropriate methods of filtration Kahn Instruments Inc 43 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Calibration e Use high quality sample tube fittings The sample tubing must be capable of withstanding the operating pressure of the sample line Wherever possible always use stainless steel tubing and fittings This is particularly important at low dewpoints since other materials e g nylon have hygroscopic characteristics and adsorb moisture on the tube walls giving rise to slower measure ment response and under certain circumstances false dewpoints For temporary applications or where stainless steel pipework is not practicable use high quality thick walled PTFE piping which exhibits similar qualities to stainless steel In order to maximize response time always use the shortest run of
49. much time is left in the initializa tion cycle The keyboard with the exception of the Scroll up and Scroll down keys is locked out as indicated by the keyboard lock icon Item 4 on Figure 2 3 until the initialization period has expired Note that it is possible to terminate the initialization process before the initialization period has timed out by pressing the Scroll up and Scroll down keys simultane ously This action would abort the instruments response enhancement system but would allow the operator to make an immediate measurement if it were considered necessary While the initialization process is in progress the backlight timeout is precluded and if any external transmitter has been configured and connected to the instrument display of the external transmitter reading is also precluded After the end of the initialization period the display reverts to the measurement mode displaying the dewpoint in the currently selected units in the primary display area and any external transmitter reading in the secondary display area By default internal temperature is displayed in the secondary display area if no external trans mitter is configured If an external transmitter has been configured but has either not been connected or is giving an overrange indication a flashing External Sensor Error message alternat ing either with a Measurement in Progress or a Measurement OK message will be displayed While the instrument is respond
50. n com HygroPort Portable Hygrometer Installation 3 7 Connect battery charger Figure 3 9 The HygroPort is powered from a 4 8V internally mounted rechargeable Nickel Metal Hydride NiMH battery Typically depending upon the instrument settings fully charged the battery will provide approximately 48 hours of continuous operation A graphical display of battery charge state is provided and an audible warning is given as the battery approaches full discharge Fold down the flap 2 sealing the charger connector and insert the battery charger connector 1 into the charger connector to the instrument as shown in Figure 3 9 Connect an AC power supply 110V 240V 43 64 Hz to the battery charger unit Note that the MDM300 instrument does not need to be switched on in order to charge the battery 1 Figure 3 9 Connect battery charger The battery charger supplied is a Smart charger Do NOT use any other charger than that supplied with this product When initially connected a charge indicator LED located on the top of the charger slowly flashes yellow indicating that the charger has entered a pre charge cycle After a short period this indicator starts to rapidly flash green indicating that a fast charge cycle approx 2 hours is now in progress As the battery approaches full charge the LED starts to flash green more slowly indicating that a topping off charge is now being applied At the end of the topp
51. nd the accessories box 4 Kahn Instruments Inc 23 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Installation 3 3 HygroPort Accessories The accessories for the HygroPort are shown in Figure 3 3 Note that Items 1 to 7 are supplied as standard and item 8 is optional Please check that all the standard components are present after unpacking Report any shortages immediately 1 Calibration certificate 2 User manual 3 Charger unit North American charger plug adaptor shown installed 4 European charger plug adaptor 5 U S charger plug adaptor 6 Gas input output port adaptor three provided two installed in the instrument 7 Application software CD 8 Carrying case optional Note that three gas input port adaptors item 6 are provided two with a large orifice and one with a small orifice Depending upon configu ration this permits the instrument to be run at either system pressure or atmospheric pressure and facilitates the connection of external flow monitoring and control The accessory pack contains a large orifice adaptor the remaining adaptors are inserted into the instrument s gas ports Items 1 and 2 as shown in Figure 3 2 Note On delivery one large orifice adaptor and one small orifice adaptor are installed on the instrument The large orifice adaptor is installed on the Gas outlet port and the small orifice
52. nect up the sample gas supply to the instrument typically as shown in Section 3 5 Ensure that the battery has been fully charged refer to Section 3 7 Switch on the instrument by means of the Power ON switch located on of the instrument Item 3 Fig 2 1 The instrument display will now come on initially showing the start up screen followed by the Initialization screen see Figure 4 3 HygroPort System Initializing Initializing 01 32 Initializing internal sensor Figure 4 3 Initialization start up 4 While the sensor is heating check that the sample flow rate is within the operational limits i e between 0 4 SCFH and 2 4 SCFH If required install and adjust an external flow control valve in the gas sample input line to achieve the required flow rate 5 After the initialization period has timed out the instrument is operational and will display a dewpoint reading in accordance with the default param eters shown in Table 4 1 A typical screen example is shown in Figure 4 4 Dewpoint Figure 4 4 Typical screen display start up At the end of the initialization period the instruments menu structure can be entered allowing the display parameters to be changed datalogging to be set up and the bluetooth mode to be enabled refer to Sections 2 5 and 2 6 Note that the menu structure menu does not have to be entered in order to change the parameter displayed in the primary display area This can be changed by p
53. oad the files to the PC s desktop from where they can be loaded into other programs e g Microsoft Excel for further examination and processing The BLUETOOTH set up menu is entered from the main SETTINGS menu and is shown in Figure 4 9 ENABLE BLUETOOTH NAME HygroPort Figure 4 9 BLUETOOTH set up menu The general set up procedure is as follows refer to Section 2 6 2 1 Enter an instrument name Initially when the instrument is delivered a name will have been allocated in this ekample HygroPort If the name reguires changing do so before enabling the Bluetooth mode 2 Enable Bluetooth mode by changing the ENABLE field from NO to YES with the v down scroll key and pressing the Enter key The instrument is now in the Bluetooth mode Note that when the instrument is in Bluetooth mode the Bluetooth screen remains displayed and no other menu options can be selected To quit the Bluetooth mode change the ENABLE field from YES to NO with the A up scroll key and press the Enter key Return to the main display by pressing the lt scroll left key twice Bluetooth pairing procedure With the instrument in the Bluetooth mode a pairing procedure needs to be carried out in order for the PC system to recognize the instrument This procedure only needs to be carried out once for each instrument A typical pairing procedure is outlined in Figure 4 10 The procedure is as follows 1 From the PC s Bluetooth menu sea
54. orifice Additionally one large bore orifice adaptor is provided as a loose spare Both types of adaptor have a Vs NPT internal thread to accommodate the customer s choice of Gas input and Gas output connection fittings A range of connection fitting options is available Depending upon whether measurements are to be taken at either system pressure or atmospheric pressure the adaptors need to be fitted as shown in Table 3 1 Fit adaptor to Inlet port Fit adaptor to Outlet port System 0 to 10bar Small orifice Atmospheric 1 bar Small orifice Adjustable Table 3 1 Adaptor fittings Issue 2 February 2014 26 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Installation 3 5 1 Fit Gas inlet outlet adaptors Before making any gas connections install the adaptors to the inlet and outlet ports as follows From Table 3 1 select the required adaptor for the inlet port Install a filter element 1 into the gas inlet port only 2 If required install the sintered filter element 4 inside the adaptor and secure into position with the knurled ring 5 3 Place the O ring 2 over the body of the adaptor 3 and screw the adaptor 3 into the gas port and tighten Connect the isolation valve 6 to the adaptor 3 and tighten to leave in the position shown If required connect an optional small variable area flowmeter 7 to the optional valve 6 and the incoming
55. ption 2 2 Function keys The function keys located below the display are used to select operations from the main menu level selected by the center key to enter sub menu levels and to select and enter parameter variables within those menu levels The function key panel is shown right and the operation of the keys is as follows Figure 2 2 Function keys Enter or Select key Operation of this key from the main menu displays the Passcode Display Screen for entry to the the Set up menus The Passcode PIN must then be entered using a combination of the a up and e down keys located above and below After each digit is selected this Enter or Select key should be pressed in order to accept the entered digit Refer to Section 2 5 Within the Settings menu and sub menus this key is used to highlight and select options and to accept entered values Scroll down key From the Passcode entry page this key is used to reduce the value of the highlighed passcode entry digit Within the set up menu it is used to highlight one of the Settings sub menu options for entry to that level which is then entered by pressing the Enter key Within sub menus it is used to scroll down and highlight options available for selection within that sub menu e Within sub menu levels reguiring the entry of alpha numeric values e g for the entry of datalog parameters it is used to reduce the currently displa
56. rch for devices in range This yields the instrument named e g HygroPort 2 Double click the instrument icon and enter the instrument s pairing passkey 7316 for all HygroPort instruments Note each digit will be shown only briefly shown as it is entered and then hidden 3 When all digits have been entered click Next 4 With the serial link established click Configure Note the name of the COM port allocated This port COM7 in this example will need to be entered when starting the Kahn application software Kahn Instruments Inc 39 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kabn com HygroPort Portable Hygrometer Operation 2 My Bluetooth Places Entire Bluetooth Neighborhood File Edit View Bluetooth Favorites Tools Help EI Add a Bluetooth Device Di View My Bluetooth services po Search for devices in range G View or modify configuration Bluetooth Security Setup oe Bluetooth Pairing Paired devices exchange a secret key each time they connect This key is unique 2 Desktop for each pair of devices it is used to verify identity and to encrypt the data that the E My Computer devices exchange Bluetooth Exchange Folder My Bluetooth Places K My Network Places Printers and Faxes Bluetooth Service Selection Select the services you are interested in The following services are available through the selected Bluetooth
57. reading shown in this example shows internal dewpoint if external set as primary display Battery charge indicator icon Flashes when the battery voltage drops below 4V indicating that the battery needs charging A warning beep also sounds when the battery charge level is low The icon becomes dynamic flashes when the charger is connected Keyboard beep indicator This icon indicates that the keyboard beep is switched on The position of the icon in the status line may vary Keyboard lock indicator This icon indicates that the keyboard is locked The position of the icon in the status line may vary Datalog status indicator This icon indicates that logging is enabled and running The position of the icon in the status line may vary Sensor initializing indicator This icon indicates that the initializa tion process in progress and that the sensor heating is on The presence of this symbol is accompanied by initializing internal sensor status message The position of the icon in the status line may vary Primary Display Main display Large characters Table 2 2 Instrument display 7 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Description The instrument display is divided into three distinct areas a primary display area a secondary display area and a status display area refer to Item 2 in Table 2 1 During normal operation the
58. ressing either the A up or v down scroll keys e g pressing A up scroll key in the example shown in Figure 4 4 would change the displayed parameter and units to Absolute humidity gm m Issue 2 February 2014 36 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Operation 4 5 Graphics display At any time while the primary display is indicating internal sensor parameters a graphical display of the output can be obtained by pressing the gt Scroll right key An example of a chart is shown in Figure 4 5 Note that if an external transmitter has been configured the chart will display internal dewpoint Val 55 6 Min 55 3 Max 68 7 RH Minutes Figure 4 5 Typical chart display The chart can be reset at any time by pressing the Enter key followed by the gt Scroll right key Section 2 6 9 describes the chart options 4 5 1 Display datalog file list To display a complete list of all the currently stored datalog files together with the amount of memory space available press the gt Scroll right key when the chart is displayed Note This function does not operate when the instrument is data logging An example is shown in Figure 4 6 1 txt 1K 0130 1318 A 11 files 2 txt 1K 0130 1319 169K used CLIFF 1 txt 15K 0305 1352 8397K Free 1Y txt AK 0315 1738 v Not logging press ENTER to setup logging Figure 4 6 Datalog file list The current page of file
59. ressure within the range ATM 0 to 5000 PSIG 1 to 340 barg needs to be entered Table 2 6 details the field values To duit press the lt Scroll left key Parameter Parameter variable options EXTERNAL TYPE NONE EASIDEW TEMP PRESS Defines type of external transmitter Zero and span full scale default limits are pre programmed but can be redefined EXTERNAL Defines external zero lower limit The ZERO default limit ZERO is pre programmed but can be redefined EXTERNAL SPAN Defines external span upper limit The SPAN full scale default limit is pre programmed but can be redefined USER Range 0 to 340 bara or equivalent in other units Used to PRESSURE define system operating pressure This field is inhibited if an external PRESS sensor configured The external sensor reading then defines system operating pressure Table 2 6 External transmitter selection Kahn Instruments Inc 17 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Description 2 6 5 Real time clock settings Figure 2 12 Highlight CLOCK from the main menu by using a combination of the A up and e down scroll keys and press the Enter key The CLOCK set up menu is then displayed See Figure 2 12 Initially the YEAR parameter of the instru ments real time clock is highlighted and the current year e g 09 is displayed To select any other parameter fiel
60. rsfield CT 06109 HygroPort Portable Hygrometer Operation Files Page A Scroll Unit y to view Main display Primary Chart page gt Secondary and Status only if internal sensor Windows available Logs Page PASSCODE FOR SETUP Ki Adjust Digit 27316 Chart Reset Page Scroll A To Toggle Menu Items Selection of V item To edit y item FILE NAME GE ENABLE NAME YEAR DAY EE Cen ki CC aeso aw aa dE EE EEN een Scroll A To Select Menu Items y Item Scroll to A Adjust Digit y PASSCODE FOR CAL MONTH HOUR lt gt To Select Cal Point A To Adjust Value CAL CORRECTION TABLE 100 to 60 CAL CORRECTION TABLE 50 to 10 CAL CORRECTION TABLE 0 to 20 HygroPort CAL CORREC ES EASIDEW OFFSET ADJ ET EASIDEW 1 POINT ADJ YES CONTRAST INFO PAGE EASIDEW CAL PAGE d d LEGEND O Enter Key Up Down Keys lt gt Left Right Keys Figure 4 1 HygroPort menu structure Kahn Instruments Inc 33 Issue 2 February 2014 Phone 860 529 8643 Far 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Operation 4 3 Operating cycle The HygroPortis designed to give fast accurate and repeatable dew point measure mentin ten minutes or less The operating procedure is as follows d
61. s further details 4 6 Logging LOGGING can be set up either from the main SETTINGS menu or from the chart option see Section 4 5 1 Both methods of entry lead to the same set up menu as shown in Figure 4 8 LOGGING FILE NAME 5 PARAMETER DEWP LOG INTERVAL 5 START STOPPED Figure 4 8 Logging set up menu TO set up a log file the general procedure is as follows Section 2 6 2 details the full procedure 1 Enter a file name 2 Enter the name of the parameter that reduires logging Note that this need not necessarily be the same as that in the primary display or chart Enter the log interval 5 to 600 seconds in 5 second increments 4 Start the log file by entering the START field selecting STARTED with the w down scroll key and pressing the Enter key After the log file has been started quit the logging set up menu by pressing the lt scroll left key to return to a required previous screen e g pressing three times returns to the main display with the Logging display icon in the status line Issue 2 February 2014 38 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Operation 4 7 4 7 1 Bluetooth mode Bluetooth mode is used in conjunction with a dedicated HygroPort Application software package for the purpose of uploading datalog files to a PC using a wireless connection Within the PC the dedicated Kahn application software package is used to upl
62. s is shown If they are visible the a and v arrows located to the right of the file display indicate that a previous 4 page and a following el page are available for selection via the A up and e down scroll keys To escape back to the chart press the lt scroll left key or to set up a new datalog file press the Enter key Datalog files can be uploaded to a PC via a dedicated HygroPort application software package by first enabling the instrument s Bluetooth facility and pairing it with a PC which has the software application package installed refer to Section 4 7 Kahn Instruments Inc 37 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kabn com HygroPort Portable Hygrometer Operation 4 5 2 Display current datalog file To display the current log file providing that the instrument logging press the gt Scroll right key when the chart is displayed A typical log file is shown in Figure 4 7 i CR270309 RH 106 26 8 100 0 0028 107 26 2 90 0 0028 EXT EKT DP 108 25 9 80 0 0028 05 Sec 109 25 8 70 0 0028 090327 110 25 5 60 0 0028 123606 Figure 4 7 Typical current log file display The current page of the log file is shown Log files start at 1 and to view log plots earlier or later than the currently displayed page use the A up and w down scroll keys To escape back to the chart press the lt scroll left key Section 2 6 9 give
63. s that have been made and the input cursor is placed over the first digit To accept any digit as correct and to step to the next digit position press the Enter key Change the incorrect entry using either the A up or down v keys and when a correct PIN has been entered the top level Settings menu will be displayed Issue 2 February 2014 10 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Description Main display Typical Input passcode for setup menu TARCE O KO Input passcode for setup menu Input passcode for setup menu O KRR 7 sio Input passcode for setup menu Input passcode for setup menu 7 EENS 7 s1 Input passcode for setup menu Input passcode for setup menu obs 731g Input passcode for setup menu SETTINGS CLOCK Mefclell Te HMI BLUETOOTH CALIBRATION EKTERNAL INFO 7Edo o Settings Menu settings selected Figure 2 6 Passcode entry Kahn Instruments Inc 11 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com Issue 2 February 2014 HygroPort Portable Hygrometer Description 2 6 Overall menu structure Figure 2 7 The HygroPort Portable Hygrometer has a three level menu structure the top level of which main menu is accessed from the main display by pressing the Enter key and entering the passcode as detailed in Section 2 5 see also Section 2 2 Within this main menu eight options are availab
64. sample line to the input of the flowmeter 6 Repeat step 3 to install the output port adaptor Note No filter 1 is installed in this port WU EO Figure 3 4 Examples of gas coupling types Note Items 8 and 9 on Figure 3 4 are not supplied with the instrument and are illustrated only to show different examples of the types of gas coupling available Kahn Instruments Inc 27 Issue 2 February 2014 Phone 860 529 8643 Far 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Installation 3 6 Connect external transmitters The HygroPort has an external 4 20mA current loop input designed to accept an input from a pressure transmitter a temperature transmitter or a Kahn Easidew dewpoint transmitter External transmitters are supplied as an option External transmitters are plug in devices and Figure 3 5 shows the method of connec tion Figure 3 5 External transmitter connection To remove the transmitter fully unscrew the locking collar 2 of the connector and withdraw the connector Close the hinged protective cover 1 when the connector is not in use 3 6 1 Set up pressure transmitter parameters After adding a pressure transmitter the following parameters must be defined Switch on the instrument and initially set the required pressure units from the general SETTINGS menu refer to Section 2 6 1 Using the EXTERNAL option from the main menu set up the instrument for an e
65. scroll down keys is used to select the required alpha numeric value When the full field name has been entered the file is created by pressing the Enter key Scroll left Escape Within any menu or sub menu level pressing this key escapes to the next highest level above the current level for example to return to the main screen from the Input Passcode screen press this key once Similarly to return to the Settings menu from any of its sub level menus press this key once Within the Logging datalog sub menu levels where the entry of alpha numeric characters is required this key is used to shift the insertion point to the left in the file name entry field As the insertion point is shifted to the left the entry at the former position is deleted Issue 2 February 2014 6 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer 2 3 Kahn Instruments Inc Description Instrument Display The graphics display and the associated function keypad Figure 2 1 form the operator interface of the eduipment Figure 2 3 shows all the elements of a typical display screen after the instrument s Initialization period has completed Table 2 2 details the elements of the display Dewpoint Internal Vtt Figure 2 3 Instrument display Secondary display Shows reading from external transmitter if configured or internal temperature if external transmitter not configured Internal
66. th sample gas flow rates between 0 4 SCFH and 2 4 SCFH Flow regulation is not provided within the HygroPort instru ment Sample gas flow must therefore be regulated outside the instrument usually on the gas input side by means of a precision needle valve Section 3 5 3 and Figure 3 4 show a typical arrangement Always use high guality valve fittings and tubing Avoid pressure gradients in the system by placing excessive flow restriction on the output side of the instrument In applications where the test gas has a very high flow rate an instrument by pass arrangement is preferable to flow restriction on the output side 5 1 General operational guidelines General guidelines to be followed when setting up a sampling system are as follows e Ensure that the sample is representative of the gas under test To ensure that the sample is representative of the process being monitored the sample point should be as close to the critical measurement point as possible Also never sample from the bottom of a pipe where entrained liquids may be drawn into the instrument s sample input line e Minimize the dead space in sample lines Dead space in sample lines causes moisture entrapment points increased system response times or measurement errors as the trapped moisture is released into passing sample gas producing an increase in partial vapor pressure Avoid the use of too many T pieces in line fittings or other unneces sary tubing Samp
67. that is being logged e g RH the secondary display EKT being logged e g EXT DP and the logging interval e g 05 Sec Additionally the current date D in YYMMDD format 090327 and time T in HHMMSS format 123606 are also displayed Note that the primary display being logged is set up in the Logging menu Section 2 6 2 and may not necessarily be the parameter that is being displayed on the chart The number sign column indicates a log number for each set of set of log points log points 106 to 110 being shown in this example The ST column is a status column which reports the status of the instrument at each log point in hexadecimal code The status codes are explained in Appendix 2 To return to the chart press the lt scroll left key Issue 2 February 2014 22 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Installation 3 Installation 3 1 Safety IT IS ESSENTIAL THAT THE INSTALLATION OF THE ELECTRICAL AND GAS SUPPLIES TO THIS INSTRUMENT BE UNDERTAKEN BY QUALIFIED PERSONNEL 3 2 Unpacking the instrument The HygroPort instrument is packed into a standard box and the method of unpacking is shown in Figure 3 1 Figure 3 1 Packing method Open the box 1 and unpack carefully as follows Save all the packing materials for the purpose of returning the instrument for re calibration or any warranty claims Remove the HygroPort instrument 2 the user manual 3 a
68. transmitter inputs e Pressure range 0 to 5000 PSIG 0 to 340 barg e Temperature range 148 F to 212 F 100 C to 100 C e Dewpoint Easidew transmitter range 148 F to 68 F 100 C to 20 C Agraphic display presents the dewpoint data in large format characters and provides a primary display of real time dewpoint readings and a secondary display in smaller characters for the external transmitter input If no external input is programmed gas temperature measured by the internal sensor is displayed by default A fully programmable real time datalogging capability is provided which has an internal memory capacity of 8Mb capable of storing up to 10 000 logs per file and up to 32 files A Bluetooth wireless communication system is provided allowing easy set up of the HygroPort as well as downloading of logged data to a remote PC A user friendly operator interface provides for easy intuituve access to all of the HygroPort s features An easy to follow calibration routine is built into the instrument s software The calibration routines are described in Section 6 Two versions of the instrument are available a HygroPort standard version and a HygroPort IS intrinsically safe version This manual covers the HygroPort standard version only Figure 1 1 shows the instru ment User configurable filters and adaptors are provided for the gas ports which enable dewpoint measurements to be made at either atmosph
69. u e g see Figure 4 12 To interchange the primary and secondary displays proceed as follows 1 From the SETTINGS menu select HMI An HMI menu is shown in Figure 4 12 PRIMARY DISP EXTERN Figure 4 12 HMI set up menu 2 Select PRIMARY DISPLAY and press the Enter key 3 Change INTERN to EXTERN using the v down scroll key and press the Enter key Section 2 6 6 describes the set up procedure and the various field options in greater detail To quit the EXTERNAL set up menu and return to the main screen press the lt scroll left key three times Figure 4 13 shows an external pressure transmitter configured as the main display Pressure Measurement OK Figure 4 13 Typical External as primary display screen To change the primary display back from EXTERN to INTERN repeat the above procedure using the A up scroll key at step 3 to change EXTERN to INTERN Issue 2 February 2014 42 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Good Practice 5 Good measurement practice The HygroPort Portable Hygrometer is a portable instrument designed to operate in a flowing gas stream and is suitable for the measurement of the moisture content of a wide variety of gases In general if the gas in conjunction with water vapor is not corrosive to ceramics or base metals then it will be suitable for measurement by the HygroPort The instrument is designed for operation wi
70. ument is designed to operate in a flowing gas stream of between 0 4 SCFH and 2 4 SCFH and at system pressures ranging from atmospheric up to 5000 PSIG Section 3 5 describes typical methods of connecting the instrument to a sample gas stream For all applications the sample gas is taken into the instrument via the Gas in port located on the top of the instrument from where it passes through the internal sensor and out via the Gas out port Gas flow rate if monitored is normally measured externally on the output side of the instrument The sample gas flow rate is not controlled or measured within the instrument If necessary this must be controlled outside the instrument typically by means of a needle valve located at the input Kahn Instruments provide a optional range of accessories specifically designed for use with the HygroPort The HygroPort instrument is suitable for the measurement of moisture content in a wide variety of gases Kahn Instruments Inc 31 Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Operation sewes OP N IR IA DEWP Section 2 6 2 Fig 2 9 seen Te Section 2 6 3 Figure 2 10 ewe EEN N Section 2 6 4 Figure 2 11 CLOCK Current US Eastern Time amp Section 2 6 5 Figure 2 12 MM DD YY EE GE DEN Table 4 1 HygroPort default parameters Issue 2 February 2014 32 Kahn Instruments Inc 885 Wells Road Wethe
71. used to indicate areas where potentially hazardous operations need to be carried out Where this hazard warning symbol appears in the following sections it is used to indicate areas of potential risk of electric shock DANGER Electric Shock Risk Where this hazard warning symbol appears in the following sections it is used to highlight where care needs to be taken to prevent static discharge from damaging electrostatically sensitive items or components Kahn Instruments Inc V Issue 2 February 2014 Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Contents SA BETA EE li EC Declaration of Compliance iss Rens NN kes Ek REK RE NEER EE Eed ee Ee NEE EENKEER RE ili ele ONS sa veresniameisdasstencsatusxeudzietaninanesoisaee Ceentanseanastecnadiaateaudenciuasinctniganetestauentn stone IV GENERAL E TEE vV COT AA AI vi 1 ae ie e e WEE 1 2 Bede AA 3 2 1 Controls and indical rS IA 4 2 2 FONCHON KEY S AE EO N EO N OE TE Ee EE 5 2 3 SIA Aaa 7 24 NASI ENE ae OE N Ee Oe NN 8 2 4 1 Bo EE RR E EE N EE OR N 10 2 6 Overall Menu Structure Figure 2 7 sissies Ee ee Ge Ee ee eie Eie 12 2 6 1 General settings Figure 2 8 sessie es Een ASe es sig Ge ke ie Ee oe 14 2 6 2 Logging FOUS 2 VE 15 2 6 3 Bluetooth settings Figure 2 10 E 16 2 6 4 External transmitter selection Figure 271 17 2 6 5 Real time clock settings Figure 212 18 2 6 6 Human Machine Interface HMI settin
72. ws icons representing battery charge state Initialization in progress data logging in progress and keyboard lock status Instrument ON OFF switch Note The Instrument does not need be switched ON in order to charge the internal NiMH battery Gas output port Usually vented to atmosphere but can be at elevated pressure depending upon application Refer to Section 3 0 Gas input port Usually slightly above atmospheric pressure in order to maintain the required flow rate Refer to Section 35 Analog input connector for external transmitter Pressure Temperature or Dewpoint By default this signal is displayed in the secondary display area but may be configured to be displayed as the primary display refer to Section 2 6 6 Spans for each signal input are separately configurable refer to Section 2 6 4 If no external input is enabled the internal sensor tempera ture is displayed by default refer to Section 2 6 6 The hinged rubber protection cover should be kept closed when the connector is not in use Socket for connection of battery charger located behind cover similar to external transmitter socket cover above The hinged rubber protection cover should be kept closed when the connector is not in use Caution ONLY USE THE CHARGER PROVIDED Table 2 1 Controls and Indicators Issue 2 February 2014 4 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Descri
73. xternal pressure transmitter input as follows Refer to Section 2 6 4 EXTERNAL TYPE Select PRESS EXTERNAL ZERO Enter Zero point Pressure represented by 4mA input EXTERNAL SPAN Enter Span Maximum pressure represented by 20mA input USER PRESSURE Auto set to OFF Instrument uses the measured pressure reading After completion of the above settings quit the settings menu and the instrument will now display pressure in the secondary display area and the selected units An example is shown in Figure 3 6 Calc dp at pressure External 3 6 e 9 i e Measurement OK Cd N Figure 3 6 Typical external pressure display Issue 2 February 2014 28 Kahn Instruments Inc 885 Wells Road Wethersfield CT 06109 HygroPort Portable Hygrometer Installation 3 6 2 Set up external temperature transmitter parameters After adding a temperature transmitter the following parameters must be defined Switch on the instrument and initially set the required DP TEMP units to either C F or K from the general SETTINGS menu refer to Section 2 6 1 Using the EXTERNAL option from the main menu set up the instrument for an external temperature transmitter input as follows Refer to Section 2 6 4 EXTERNAL TYPE Select TEMP EXTERNAL ZERO Enter Zero point Temperature represented by 4mA input EXTERNAL SPAN Enter Span Maximum temperature represented by 20mA input USER PRESSURE Set as required for application After completion of the
74. yed value Le Z A 9 0 Pressing the key once reduces the selected field by one step Pressing and holding the key will cause the selected field to be contin uously reduced until the key is released Kahn Instruments Inc Phone 860 529 8643 Fax 860 529 1895 Email info kahn com www kahn com 5 Issue 2 February 2014 HygroPort Portable Hygrometer Description Scroll up key From the Passcode entry page it is used to increase the value of the highlighed passcode entry digit e Within the Settings menu this key is used to scroll up through the menu options to select highlight a reguired option The reguired sub menu for that option can then be entered by pressing the Enter key Within sub menus it is used to scroll up and highlight options available for selection within that sub menu s Within sub menu levels requiring the entry of alpha numeric values e g for the entry of datalog parameters it is used to increase the currently displayed field value i e 0 9 A Z Pressing the key once increases the selected field by one step Pressing and holding the key will cause the selected field to be continuously increased until the key is released Scroll right Within the Logging datalog sub menu levels where the entry of alpha numeric characters is required this key is used to shift the insertion point right in the file name entry field At each position a combination of the scroll up and
75. ystem working pressure level Atmospheric or system pressure The EXTERNAL set up menu is entered from the main SETTINGS menu and is shown in Figure 4 11 EXTERNAL N A N A USER PRESSURE ATM Psig Figure 4 11 EKTERNAL set up menu The general set up procedure is as follows 1 Select an EXTERNAL TYPE using the e down scroll key and press the Enter key 2 Enter the ZERO and SPAN values and press the Enter key Section 2 6 4 describes the set up procedure and the various field options in greater detail To quit the EXTERNAL set up menu and retuirn to the main screen press the lt scroll left key three times Kahn Instruments Inc 41 Issue 2 February 2014 Phone 860 529 8643 Far 860 529 1895 Email info kahn com www kahn com HygroPort Portable Hygrometer Operation 4 9 Interchange primary and secondary displays HMI When an external transmitter has been configured the primary and secondary displays can be interchanged to show the external transmitter reading as the main display and the internal sensor reading as the secondary display With an external transmitter connected the ability to display the output of the external device as the main large character display can be particularly advantageous for a number of applications e g e Remote Monitoring e Calibration checks on an existing installation e High pressure measurements Interchanging the primary and secondary displays is effected from the HMI men

HygroPort Portable Hygrometer

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