User`s Manual - Heath Consultants
Contents
1. Ultra Compact Inverte mosh ia ti par 1 Outhet 102105 0 DP IR MANUAL REV M Page 32 of 35 Notes ED 3 5 a 4 DP IR Daily Self Test and Calibration Lo Operator DP IR S N Date 102105 0 DP IR MANUAL REV M Page 33 of 35 Declaration of Conformity Manufacture s Name Heath Consultants Manufacture s Address 9030 Monroe Road Houston TX 77061 Model Detecto Pak Infrared Has been demonstrated to be in compliance with the European EMC directive 93 68 EEC FCC 47 CFR Part 15 Subpart B Class A and ANSI C63 4 and is in accordance with the following standards EN 61326 1 Al 1998 A2 2000 Date of Issue February 26 2007 Signed by On File Graham Midgley Heath Consultants CEO 102105 0 DP RI MANUAL REV M Page 34 of 35 102105 0 DP IR MANUAL REV M Technical Support 1 800 HEATH US 1 800 432 8487 HOUSTON FACTORY SERVICE CENTER Heath Consultants Manufacturing Division 9030 Monroe Road Houston Texas 77061 Phone 713 844 1300 Fax 713 844 1309 www heathus com Page 35 of 352. FSC is ninety 90 days for materials and labor This repair warranty does not extend any other applicable warranties Our warranty covers only failures due to defects in materials or workmanship It does not cover failure due to damage which occurs in shipment unless due to improper packing It does not cover failures which result from accident misuse abuse neglect mishandling misapplication alteration modification or service other than the Houston FSC or other authorized repair center HEATH s responsibility is expressly limited to repair or replacement of any defective part provided the product is returned to HEATH FSC or and authorized FSC shipped pre paid and adequately insured Return shipping and insurance will be at no charge to the purchaser HEATH does not assume liability for indirect or consequential damage or loss of any nature in connection with the use of any HEATH product There are no other warranties expressed implied or written except as listed above Obtaining Service To expedite the repair of your instrument please follow the following procedure 1 Contact HEATH Customer Service at 1 800 HEATH US to obtain a return authorization tracking number Repairs can be significantly delayed until authorization is obtained a Specify your complete shipping and billing address b Specify the person and contact information to be contacted for repair and shipping authorization c Specify the instrument product
3. Use only a HEATH supplied battery in the DP IR Failure to do so may cause permanent damage to the instrument The DP IR has a removable rechargeable lithium ion battery that provides the power to the instrument This battery is designed to provide eight hours of operating time when fully charged The display features the remaining battery life remaining with the eight bars indicating the remaining charge in 12 5 increments This indicator should be used only as a reference Always start the day with a full charge to ensure a full day s use Note To obtain full battery capacity charge the battery when the ambient temperature is above 50 F 10 C and preferably below 85 F 30 C The DP IR has a built in battery charging protection preventing the battery from over charging Please use surge protected and conditioned outlets for charging battery Note Using features such as the Bluetooth backlight or operating in cold conditions will decrease the battery life Note The instrument has a small but continuous drain on the battery If left over a long period of time the battery will be drained down This will not harm the battery in the short term Recharge the battery as normal N ote The prolonged un use of battery inside or outside the instrument can lead to battery chemistry being irreversibly damaged leading to permanent failure of the battery It 1s recommended to have the battery go through at lea
4. to 41 Bar hole Probe Std 20 Optional 36 Intrinsic Safety Class 1 Division 1 Group D T3 UL 913 MetLab E112840 102105 0 DP IR MANUAL REV M Page 7 of 35 DP IR System Components This chapter describes the features of the DP IR Please refer to Figure 2 for illustrations of individual parts Survey Probe DP IR Replacement Filters Instruction CD Battery Charger Bar Hole Hand and Probe Shoulder Strap Carrying Case Figure 2 System Components Instrument This is the primary component of the DP IR surveying system In addition to the gas detection capability it contains the user interface data logging interfaces power connector and the surveying probe connection Carrving Strap The DP IR has a detachable hand strap secured to three mounting points on the instrument There is also a padded shoulder strap to accommodate different carrying preferences Battery Charger The battery charger is provided to recharge the instrument after use The charger is a universal 110 240 VAC 50 60 hertz with a charging indicator Universal adaptors are provided to convert the style plug for different types of receptacles 102105 0 DP IR MANUAL REV M Page 8 of 35 Instruction CD The instruction CD contains the follovving items 1 This instruction manual which provides instructions on the use and operation of the instrument 2 Additional HEATH product information 3 HEATH contact information
5. Carrying Case The carrying case provides protection for the instrument during storage or transportation The instrument should be kept in the case while not in use Bar Hole Probe The bar hole probe allows for underground gas measurements to be made A short 20 probe is provided as standard The probe has a built in dust and water filter Other bar hole probes are sold separately 102105 0 DP IR MANUAL REV M Page 9 of 35 Optional Accessories Bluetooth Module Bluetooth The Bluetooth module adds additional flexibility and mobility to the DP IR by allowing wireless interfacing to the instrument The industry standard Bluetooth communication protocol allows the instrument to stream data to a PDA or PC at distances up to 30 feet 7 6 meters for data logging purposes 36 Bar Hole Probe This probe is for conducting underground methane concentration measurement at twice the depth of the standard probe provided The probe is designed to minimize the risk of drawing water up into the instrument DC Power Adaptor An optional DC DC power adaptor is used to power the DP IR from a vehicle 12 VDC system The adaptor isolates and minimizes electronic noise from the vehicle power system which may interfere with or damage the DP IR 102105 0 DP IR MANUAL REV M Page 10 of 35 CHAPTER II Operating the DP IR This chapter provides information on the use of the DP IR It provides an explanation of vvorking with the menu externa
6. UP button to initiate the self test 6 If the OK icon is displayed the instrument passed the self test a If the RETRY icon is displayed then the instrument failed the self test press the UP button to retry the self test 7 Press the MENU button to return to the survey run display If the self test fails multiple times make sure the battery is fully charged and the instrument is properly warmed up Note The instrument may continue to stabilize for up to 10 to 15 minutes Re zero as need or re run self test 8 Caution Should the instrument not pass after several attempts do not use the instrument for survey work until the problem is corrected Contact HEATH for further assistance Self test may fail if performed shortly after reading high gas concentrations e g after bar holing measurement do to gas still present in the sample cell Allow the unit to fully purge before running a self test Self test may fail if the battery voltage is too low below four bars 102105 0 DP IR MANUAL REV M Page 16 of 35 Alarm Buzzer Press the Alarm button to turn on or off the alarm buzzer When the alarm buzzer is on the alarm icon is displayed No alarm icon is displayed when off To minimize the risk of surveying while the alarm buzzer is off the alarm buzzer will turn itself back on in five minutes 102105 0 DP IR MANUAL REV M Page 17 of 35 CHAPTER LI Battery External Power Operation Rechargeable Battery Warning
7. mode Each menu and function is further described in the proceeding sections Zero The background level of methane can be zeroed out through the ZERO button when on the main surveying screen Zeroing only adjusts the background gas level to read zero e It does not calibrate the instrument e It does not alter the alarm level To perform the zero the DP IR must be at the main surveying screen Press the ZERO button momentarily until the display reads zero Auto Manual Ranging The operator can select if the instrument will automatically decide what range to display or if only the selected range will be displayed By default on power up the instrument is in the Auto Ranging mode The ppm or Gas icon will be displayed on the right side to indicate the gas range To change the ranging mode auto manual the DP IR must be at the survey run screen 1 Press the DOWN arrow key once to be in Manual PPM or gas mode 2 Press the DOWN arrow key again or multiple times and the mode switches between PPM and gas modes but it always stays in manual ranging 3 Pressing the UP arrow key will return to the Auto Ranging mode 102105 0 DP IR MANUAL REV M Page 14 of 35 Alarm Level The alarm level is the gas concentration that vvill cause the alarm to sound Set the alarm level such that the false alarm rate is low while not so high that leaks are missed Your company s survey procedure may require the use of a specific value or procedu
8. name and serial number d Include a brief description of the problem you are experiencing e Specify the person and contact information to be contacted for additional information regarding the symptoms of the failure 2 Package and ship the DP IR in its original carrying case Please specify the tracking number product name and serial number on all correspondence 102105 0 DP IR MANUAL REV M Page 25 of 35 DP IR IS Parts List PART NUMBER PART DESCRIPTION PART IMAGE 103065 0 DUST FILTER 100 PK 102285 0 HYDRO FILTER housing front 102277 0 HYDRO FILTER bar hole probe 102276 0 FILTER PARTICULATE BULK bar hole probe handle 102295 0 O RING filter cap 102298 0 O RING probe 102154 0 O RING housing front 102105 0 DP IR MANUAL REV M Page 26 of 35 PART NUMBER PART DESCRIPTION PART IMAGE 102287 1 PROBE BAR HOLE EXT 20 IN clear 102278 0 PROBE BAR HOLE EXT 36 IN 102102 0 ASSY PROBE 102211 0 BODY QUICK CONNECT DP IR 0618343 HOSE 1781D X 1 40D URETHANE probe tubing 102251 0 U S POWER CORD 102489 0 EUROPEAN POWER CORD 102106 0 POWER MODULE DP IR IS AC DC POWER SUPPLY DP IR 15 ONLY HEATH PIN 102106 0 rs HEATH CONSULTANTS ING HOUSTON TEXAS 102105 0 DP IR MANUAL REV M Page 27 of 35 PART NUMBER 102961 0 PART DESCRIPTION PART IMAGE IS BATTERY PACK 102159 0 FRONT INT HOUSING 102160 0 REAR INT HOUSING 102143 0 PAD LEFT PAD RIGHT ASSY FILTE
9. Detecto Pak Infrared User s Manual Heath Consultants Incorporated Houston TX amp Phone 713 844 1300 IL Fax 713 844 1309 I HEATH 1 800 HEATH US 2 www heathus com ONSULTANTS Heath Safety Leadership Innovation Performance Then Now and Tomorrow 102105 0 DP IR MANUAL REV M Page 1 of 35 Notice The contents of this user s manual are proprietary to Heath Consultants Incorporated HEATH Reproduction in whole or in part of this manual is prohibited without the express written consent of HEATH HEATH operates under a continual product improvement program and reserves the right to make improvements and or changes without prior notification This manual supersedes all previous manuals for this instrument Detecto Pak Infrared and DP IR are HEATH registered trademarks The DP IR is protected by patents and patents pending COPYRIGHT 2007 Heath Consultants Incorporated All rights reserved 102105 0 DP IR MANUAL REV M Page 2 of 35 Warnings It is essential that users of this instrument read understand and follow the instructions for operation and maintenance and the precautions contained in this manual to insure that the instrument is used in a proper and safe manner For potential situations where injury may occur to the operator or damage the instrument a warning enclosed in a box will be shown to alert the operator VVarningjs Perform any and all maintenance in a location knovyn to b
10. R CAP DP IR 102147 0 102374 0 102104 1 STRAP SHOULDER DP IR 102105 0 DP IR MANUAL REV M Page 28 of 35 PART NUMBER PART DESCRIPTION PART IMAGE 102113 0 HANDLE DP IR 102103 0 CARRYING CASE DP IR 102105 0 CD DP IR SERIES mobile kit cradle 0214411 ASSY FUNNEL mobile kit cone IMAGE NOT AVAILABLE assembly 102314 0 CABLE PUMP POWER MOBILE KIT 102105 0 DP IR MANUAL REV M Page 29 of 35 PART NUMBER PART DESCRIPTION PART IMAGE 102315 0 MANUAL DP IR DP4 MOBILE KIT e aeti J S 102555 1 AUXILIARY CHARGER IS version RED GREEN STATUS connects direct to battery WARNING TO REDUCE THE RISK OF IGNITION SEE PAGE 3 8303829 ADJUSTABLE FLOW GAUGE 103563 0 DATALOGGING DEVICE FOR le a DP IR SOFTWARE 102212 0 QUICK CONNECT INSERT to tubing mobile kit 102330 1 SELF TEST SOFTVVARE 102105 0 DP IR MANUAL REV M Page 30 of 35 PART NUMBER PART DESCRIPTION PART IMAGE 103595 0 INVERTER AND POWER MODULE U S S PowerVerter 130 vr i tra s nverter D Tan l 103575 0 HEATH SURVEY TRACKER KIT includes comm adaptor manual amp software 103571 0 HEATH SURVEY TRACKER software only 100128 0 COMMS ADAPTOR RS 232 102105 0 DP IR MANUAL REV M Page 31 of 35 PART NUMBER 103596 0 EXTRA BATTERY AND EXTERNAL CHARGER does not include inverter PART DESCRIPTION PART IMAGE WARNING TO REDUCE THE RISK OF IGNITION SEE PAGE 3 102458 0 INVERTER FOR CAR PowerVerter 150 nr
11. al Data Communication Lee secenuenses tock Adimeubsdevtosh sechaamancnsteshbes 20 Chapter V Surveying with the DP IR e E PEN 21 ste te Bar Hoe PODO pereen E EE E E OE 22 Chapter VI Maintenance and Troubleshooting Information Troubleshooting the Instrument ccrccscanccniosisderwasuetecainewsuaressennestinsis Goteasuedecunerstaresssene 23 NA dey 8 21 8 kfl aaa 24 Chapter VII Service Information Warranties and Warranty REpalt iscsssicsssusesndsselavelaspseiucssacannsawsannasseiauebaveselncswanesieas 29 AIM OC e e e sonar 25 DI NS 26 DP IR Daily Self Test and Calibration Log siccsectsccecsesanitersseiveanisaeuaansDarvendueantearesnces Se DOC on OF GODO ee amshuteosssnie meanuaroneniysseaketne 34 Contact Information sen case ncoeriesseonttesnsonnada pene sasevdossacsseontdenncoaadnpenondcewdossecsseowtdeneds 35 102105 0 DP IR MANUAL REV M Page 5 of 35 Overview The HEATH Detecto Pak Infrared DP IR uses highly advanced optical technology capable of detecting methane gas utilizing the Infrared Controlled Interference Polarization Spectrometry method The DP IR is the latest leak survey instrument from HEATH that greatly improves productivity cost and safety of walking and mobile surveys The DP IR functions by using an infrared optical gas detection system This instrument is intended to replace the current surveying equipment using the traditional Flame Ionization method with next generation technology utilizing an infrared ligh
12. e To use the Bar Hole Probe 102278 1 20 in attach the probe to the DP IR Filter cap using the Quick Connector on the end of the Bar Hole Probe hose The Bar Hole Probe has two filters the Hydrophobic Filter 102277 0 and the Particulate Filter 102276 0 located in the Bar Hole Probe handle Unscrew probe handle and ensure that both filters are clean and dry Replace if necessary Put the Bar Hole Probe handle back together making sure handle is screwed tightly together and O ring makes a tight seal so no leaks will occur during survey Also ensure that the sampling holes at the end of the Bar Hole Probe are not blocked or plugged The probe is now ready for use Note To ensure the Bar Hole Probe is sealed and assembled correctly turn on the instrument and block the holes at the end of the probe The instrument should flow fault When conducting a Bar Hole survey carefully watch the clear Bar Hole Probe during each sample to ensure water is not being drawn up into the instrument For more accurate sample readings regularly check the probe filters after survey samples to ensure the filters are clean and dry 102105 0 DP IR MANUAL REV M Page 22 of 35 CHAPTER VI Maintenance and Troubleshooting Information Troubleshooting the Instrument The advanced design of the DP IR makes it one of the most reliable leak survey instruments available However should you experience problems with the instrument or suspect that the instrum
13. e filter and clear or replace the tubing Very slow to purge out Internal leak e Check tightness of internal Hydrophobic filter Maintenance In order to maintain the DP IR in good working condition the following maintenance should be performed as indicated Maintenance Item Self Test and Calibration Daily to ensure the instrument is functioning properly Battery recharge Recharge to full capacity after each use Replace dust filter Daily or more often as needed depending on conditions Note There is a hydrophobic filter inside the front cap behind the dust filter Replace this filter should it clog due to water or dust There is a back up hydrophobic filter inside the instrument housing to prevent water damage to the instrument The exterior filters should be changed as needed by the user Note Do not operate the instrument without the dust filter or without the hydrophobic filter Warning To reduce the risk of ignition of a flammable or explosive atmosphere batteries must be changed or recharged only in a location known to be non hazardous Caution Only use HEATH battery pack P N 102961 0 102105 0 DP IR MANUAL REV M Page 24 of 35 CHAPTER VII Service Information Warranties and Warranty Repair The DP IR is warranted to be free from defects in material and workmanship for one 1 year from date of shipment The warranty on authorized repairs in the Houston Factory Service Center
14. e non hazardous VVarningss To reduce the risk of ignition of a flammable or explosive atmosphere batteries must be changed or recharged only in a location known to be non hazardous Warning No attempt should be made to repair the instrument Should the instrument not work properly or indicate an error or warning refer to the troubleshooting section of this manual Warning Substitution of components may impair intrinsic safety No user serviceable components contained within this instrument 102105 0 DP IR MANUAL REV M Page 3 of 35 Table of Contents INO UCC arcs re yee e EE E E E E E E E E E EE EE 2 NE PEE EEE E PE E E T E 3 ON e E AA E AE 6 Chapter I DP IR System Specifications jne awbarenceetonensiunatengieteinteceses 7 DP STR Sy Stem COn MCT an ne E E EE RSS 8 COOMA OCS SON EE 10 Chapter II Operating the DP IR an lawnnsndedaneen daweesetadiacues downey edeaanenees 11 TR Cy Arrears terete E ER PEN ER EN A 11 Me TEAC opps EEE EE PESENE OE PE onesies E 12 ol 13 Turmae oi IRON Il 13 Uone tio NG E eE OEE E E 14 Do 14 AG Wana IRAN CIN e e 14 e ERE TE 15 DON NDI emerson ee ee en ree eee ne re ne ee eee ee 15 Une ine TO NO eE T 15 SO I Sb E S E E 16 Chapter III Battery External Power Operation IG CAE Sa BANO va e E 18 Pali Nam soepen E iE er E OEN 19 Battery WRC ACCC i EEEE 19 Ee Al E ON ae nee pecs tenner AEEA EEE 19 102105 0 DP IR MANUAL REV M Page 4 of 35 Chapter IV Seri
15. ent is not operating properly do not use the instrument for leak survey work until the problem is resolved Only a qualified DP IR repair technician should attempt to repair or open the instrument There are no user serviceable components in the DP IR that can be repaired or replaced other than the battery Most often a problem has a simple cause The following table provides a list of common problems causes and solutions Should you have a problem not listed or the solution does not work please contact HEATH for further assistance Probable Cause e Low battery Unit will not turn on Loss of sensitivity Excessive false alarming ERROR icon and alarm on continuously 102105 0 DP IR MANUAL REV M e Filters need replacing e Alarm Level set too high for conditions Zero drift Alarm Level set too low for conditions Filters need replacing Low battery Internal component failure Solution Recharge internal battery Use the External Power Supply Check filters and replace if necessary Zero the instrument in a gas free environment Lower the Alarm Threshold Perform Self Test procedure Check filters and replace if necessary Zero the instrument Raise Alarm Level Perform Self Test procedure Check battery level and recharge if necessary e Run Self Test Page 23 of 35 FLOW ERROR icon is on e Filter needs to be changed e Check filters and replace if necessary e Plugged probe e Clean prob
16. hown when in DMD mode b The 2 icon will be shown when in Tick mode 3 Press the MENU button to return to the survey run screen Using the Tick Mode To aid in pinpointing a leak the following procedure can be used 1 Sweep the probe in and around the leak area 2 Listen for the fastest tick speed 102105 0 DP IR MANUAL REV M Page 15 of 35 3 If the location with the fastest tick rate 1s consistent then the leak is at that spot 4 If the tick rates are not consistent keep working the area The gas plume may be drifting around causing inconsistent readings In some cases the gas plume may be large enough that localization is not very accurate Self Test The DP IR has a built in function to perform a self test and calibration of the instrument The self test feature should be used on a daily basis to ensure that the instrument is in proper working order HEATH recommends that the self test function be performed prior to beginning your survey day Each self test should be recorded into a daily log An example daily log has been included at the end of this manual for your convenience To perform the self test the following procedure should be followed 1 Remove the instrument form the carrying case 2 Turn on the instrument and allow it to warm up 3 Verify that the battery has four or more bars 4 Press the MENU button until the SELF TEST icon is shown on the display Note the Retry and OK icon are also displayed 5 Press the
17. l features setting operational parameters and enabling functions of the instrument MENU Button UP Button ALARM Button POWER Button DOWN Button ZERO Button Figure 3 Keypad MENU Button Scrolls through various instrument settings UP Button Increases a value acknowledges a user prompt or selects an option DOWN Button Decreases a value acknowledges a user prompt or selects an option POWER Button Depressing for one second will power on off the instrument ALARM Button Enables or disables the alarm ZERO Button Performs the Zero operation or activates other features 102105 0 DP IR MANUAL REV M Page 11 of 35 User Interface Retry Self Test Peak Graph OK Gas Concentration A F t T E TFT III en PEAK Peak Indicator Battery ll Indicator if KA LEL Gas Scale il GAS Alarm l Enable E RE TRY La Sa OK Q Backlight e ZERO ALARM LEVEL FLOW Low Flow ero ERROR DMD 2 TX LOG Rs BT Bluetooth RS 232 PrTor DA g a a Data Log Data Logging Level meee eve Transmitting Figure 4 User Interface Note for this illustration all the display icons are shown During actual operation only the icons associated with an active function will be displayed Alarm Enable Indicates if the alarm buzzer is activated or not Alarm Level The alarm level has been reached or exceeded Backlight Icon indicating that the backlight is on Battery Indicator Displays the amount of battery charge remaining in 12 5 increments Bl
18. let with your finger this will cause a FLOW ERROR and alarm If there 1s no FLOW ERROR and alarm the pump is not working properly Note There is always a small amount of methane in the air This natural methane background 1s also measured by the DP IR The DP IR is very capable of measuring slight changes in the environmental conditions Note When moving the DP IR from a cold environment to a hot and humid environment quickly condensation may form on the optics If this happens the instrument must remain running for several minutes in order to exhaust this condensation Surveying with the DP IR is similar to surveying with previous generation FI instruments To survey with the DP IR follow these basic rules 1 Replace the dust filter at least daily Severe dusty to wet conditions may require replacement of the filter more often 2 Recharge the battery after each use to ensure full battery charge for the next day Perform the self test at least at the start of the survey day 4 Perform flow test by blocking the inlet and confirming that it causes FLOW ERROR alarm Perform this test at least at the start of the survey day and throughout the day if needed 5 Verify that the alarm level is set correctly Verify that the flow alarm and pump are working correctly 7 Zero the instrument as needed during the survey due to environmental changes Va ON 102105 0 DP IR MANUAL REV M Page 21 of 35 Using the Bar Hole Prob
19. on manual mode Detection Alarms Modes Digital Methane Detection DMD Audible tone when detection threshold 1s exceeded Sensitivity Accuracy Adjustable Alarm Level from 1 to 9000 PPM Tick Continuous audio tone relative to concentration System Fault Warning Self Test amp Calibration Built in Self Test and Calibration function verifies operation and adjusts calibration for maximum sensitivity Test gas cell integrated within the instrument Compliance EN 61326 1 Conducted Emissions Class B EN 61326 1 Radiated Emissions Class B EN 61000 4 2 4k V 8kV ANSI C63 4 Class B EN 61000 4 3 3 V M FCC 47 CEFR Part 15 Class B Dust Filter Replaceable filter provides dust protection Easy change out quick disconnect filter cap Display Large easy to read backlit LCD 75 Numeric Operating Temperature 0 to 122 F 17 to 50 C nominal battery voltage Humidity 5 to 95 RH non condensing Enclosure IP54 Water splash and Dust resistant Instrument Weight 5 6 Ibs Carrying Case 13 Ibs empty 21 Ibs filled 24 5 x 21 x 9 Power Supply Internal rechargeable Li ion battery or External 12 VDC car battery with optional power conditioner Battery Operating Life 8 hours at 32 F with out backlight on Battery Charger External in line 110 240 VAC 50 60 hertz 10 hours to 90 charge Shoulder Strap Speaker Volume Survey Probe Quick connect fitting with locking clasp Adjustable length from 25
20. pad for one second When the unit first turns on a sequence of displays shows briefly to indicate that the instrument is initializing on ini and warming up te ini The battery indicator will instantly display the amount of battery charge remaining A countdown will then be displayed to indicate the time remaining until warm up is complete Note There is a six second delay between each countdown number Depending on temperature conditions the warm up time is normally up to five minutes The following settings automatically save upon shut off and recall upon start up 1 Detection mode 2 Alarm level 3 Bluetooth RS232 selection 4 Backlight on off 102105 0 DP IR MANUAL REV M Page 13 of 35 Using the Menu The DP IR menu allows the operator to adjust certain operational values or to turn on off additional functions The following functions can be turned on off or enabled 1 Self Test 2 Backlight 3 RS232 or Bluetooth COM ports 4 Detection mode The following menu screen modes are available e Survey The normal run screen while surveying which shows the gas concentration in real time The user can zero and select measurement range from this screen mode e Alarm level The user can set the threshold to which the alarm will sound and can select the detection mode e Self Test The user can initiate the self test routine e SEL The user can turn the backlight on or off and can select RS 232 or Bluetooth communication
21. re to set it The alarm level can be adjusted in the following steps Range ppm Increments ppm Range ppm Increments ppm iio 400 700 20700 1600 5 4000 7000 500 10 I 7000 9000 1000 160 400 20 To change the alarm level 1 Press the MENU button until the AL option is displayed 2 Press the UP or DOWN button to increase or decrease the threshold The higher the threshold setting 1s the less sensitive the instrument becomes 3 Press the MENU button to return to the survey run display Detection Modes The instrument provides two different modes of operation to allow the user maximum flexibility e Digital Methane Detection DMD no sound will be made until the alarm level is exceeded A pulsing tone will then sound as long as the alarm level is exceeded The DMD mode is highly sophisticated detection algorithm that greatly enhances the use of the DP IR In most situations the operator should survey with the DMD mode turned on e Tick mode a ticking sound will be made that is proportional to the instantaneous gas concentration The higher the gas concentration up to 1000 ppm the faster the ticking rate becomes The Tick mode is the most effective when used to help isolate the highest gas concentration within a leak area To toggle between the DMD and Tick mode 1 Press the MENU button until the AL option is displayed 2 Press the ZERO button toggling between DMD and Tick modes a The DMD icon will be s
22. return it to HEATH for disposal External Power The DP IR has been designed to accommodate mobile surveying from a vehicle If the operator chooses to do so he may take advantage of the vehicle s DC power system to run the instrument to provide continuous operation regardless of the battery state Using the optional DC power adapter the DP IR supports 12 VDC to 28 VDC vehicle power systems The battery level indication on the display will show alternating bars to indicate a connection to the external power supply Depending on the supply voltage level of the vehicle battery the DP IR battery may also recharge while the instrument is powered through external power 102105 0 DP IR MANUAL REV M Page 19 of 35 CHAPTER IV Serial Data Communications Serial Communications Specifications RS 232 serial cable or optional Bluetooth v1 2 Class 2 Connection Baud 38 400 Kbps Data bits 8 Parity None Stop bits 1 No flow control 102105 0 DP IR MANUAL REV M Page 20 of 35 CHAPTER V Surveying with the DP IR Refer to your company s specific leak survey training and procedures for being qualified and for specific instrument use instructions Warning Do not submerge the probe in water Severe damage may result Note The internal pump will always be running Should there be insufficient flow through the instrument the FLOW ERROR icon will show and the alarm will sound To test that the pump is working plug the in
23. st one 1 charge discharge cycle once every month if the battery is not being used for long periods of time When storing the instrument or the battery for more than a week leave the battery charged up to about 40 and store at room temperature of about 60 70 F 102105 0 DP IR MANUAL REV M Page 18 of 35 Battery Charging Warning To reduce the risk of ignition of a flammable or explosive atmosphere batteries must be changed or recharged only in a location known to be non hazardous The DP IR is provided with a universal AC DC voltage adaptor The plug of the adaptor can be changed to fit the type of receptacle used in your location When the battery charger is first plugged in the external power jack verify that there are alternating bars on the Battery Charge Indicator If not the charger 1s not supplying power and the connection must be verified When powered through external power the battery will be charged normally regardless of the instrument s operational state Battery Replacement To replace the battery 1 Remove the four screws from the battery compartment door located on the bottom side of the DP IR 2 Unfasten the Velcro straps holding the battery in place 3 Unclip the wire connector between the battery and the instrument 4 Replace battery with a new HEATH approved battery 5 Reconnect the wire connector fasten straps and screw down the battery compartment 6 Dispose of the old battery properly or
24. t beam eliminating the need for expensive gas cylinders and refill systems It is designed to be highly selective to detecting methane gas and will not false alarm on other hydrocarbon gases which may be encountered during a normal natural gas leak survey Figure 1 The DP IR uses advanced infrared optical technology to achieve high sensitivity to methane gas The DP IR operates under a variety of field conditions including cold and hot temperatures Its rugged design will stand up to normal field use and operating conditions The DP IR has a built in self test function that will verify that the instrument is operating properly Using the internal calibration cell the operator performs the self test as part of a daily start up routine While in operation the DP IR continuously monitors several internal parameters to ensure that it is functioning properly Should any of these parameters go outside of operational limits a constant audible alarm will sound and an ERROR icon will be displayed 102105 0 DP IR MANUAL REV M Page 6 of 35 CHAPTER I DP IR System Specifications Detection Method Infrared Controlled Interface Polarization Spectrometer Measurement Range 0 100 000 PPM 1 100 Gas Display Range Auto Ranging Manual Ranging PPM 0 10 000 PPM scale 0 10 000 Gas 1 100 Gas 0 100 0 1000 PPM 1 PPM 1000 10 000 PPM 5 PPM 1 100 Gas 0 5 Greater of 5 or 10 of reading typical std conditions Gas
25. uetooth Bluetooth optional feature is the active communication link Data Logging The data logging is active DMD Mode The DMD detection mode is on Error A fault condition has occurred the instrument is no longer functioning properly Flow The intake flow rate is too low Gas Concentration Displays the amount of gas in the selected scale Over range is indicated by a Gas Scale The measurement of gas taken in either parts per million ppm or gas by volume Units will auto scale or can be user selected OK The self test was successfully completed Peak Graph Bar graph showing the relative peak reading from the last 3 seconds Re try The self test failed and should be performed again RS 232 The RS 232 is the active communication link Self Test The self test mode is enabled TX The instrument is transferring data to the DP IR Data Log program Zero The instrument is being zeroed 102105 0 DP IR MANUAL REV M Page 12 of 35 External Features RS 232 Port Exhaust Port External Power Port Figure 5 DP IR Rear Panel Exhaust Port Point where the gas drawn through the sample probe will escape the instrument Do not block this port External Power Port Receptacle for the battery charger plug and external power plug RS 232 Port Receptacle for a DB 9 connector for interfacing to a PC using the serial port Turning the DP IR On Off Press and hold the POWER switch located in the center of the key
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