Operating Instructions - York Survey Supply Centre
Contents
1. MAX or MIN indicator is ON when in the MAX or MIN mode TEILEN 0 28 03 ec E Press the VIEW button in the standard view to display the highest MAX and lowest MIN temperature and RH readings from all of the stored measurement records 2 When viewing the highest readings the MAX indicator will switch on When viewing the lowest readings the MIN icon will switch on 3 The cursor will move to the location of the MIN or MAX reading within the graph If not within the graph currently displayed the cursor will move to the right most position and the graph will shift accordingly so that the relevant data point can be viewed 4 Use the VIEW button to step through the highest and lowest temperature readings and then the highest and lowest RH readings When the MAX or MIN indicator is ON under the temperature reading digits the display is showing the MAX or MIN temperature When the MAX or MIN indicator is ON under the RH reading digits the display is showing the MAX or MIN relative humidity ALARM DISPLAYS 1 Press the ALARM button from the standard view to analyse the most recent alarm activity temperature or humidity if any The ALARM display icon and the relevant upper temperature or lower RH graph pixel will flash The cursor will move to the location within the graph If not within the graph currently displayed the cursor will move to the right most position and the graph will shift accordingly so that the relevant2. Nothing else measures up Prospect House George Cayley Drive Clifton Moor York England YO30 4XE Tel 44 0 1904 692723 Fax 44 0 1904 690385 E Mail sales yorksurvey co uk YorkSurvey for secure online ordering of all our products Ref operat98 instructions 15 330720 qxp 05 01 15 Survey Supply Humidity Temperature Chart Recorder Code 330720 Operating Instructions VU York Survey Supply Centre 2015 Humidity Temperature Chart Recorder Operating Instructions Introduction Congratulations on your purchase of the ExTech RH520 Temperature amp Humidity Chart Recorder The RH520 measures and displays Tempera ture Humidity and Dew Point The remote detachable probe senses the ambient conditions while the LCD display graphs and provides numerical representation of the readings Programmable audio visual alarms alert the user when ambient conditions reach alarm presets The optional alarm module permits auto matic relay switching when alarm presets are reached The RH520 Internal Memory can store up to 49 152 measurements for later transfer to a PC Careful use of this instrument will provide years of re liable service Specifications Display Large backlit graphical LCD Temperature measurement range 28 to 60 C 20 0 to 140 0 F Humidity measurement range 10 to 95 Dew point temperature 28 to 60 C 20 0 to 140 0 F Accuracy 3 0 RH and 1 C 1 8 F for tem
3. TEMP and RH alarm limits 0 low and 100 high e Sample rate One 1 reading stored per minute Battery Replacement The 5 segment battery life indicator allows the user to track the status of the battery When all 5 segments are dark the battery is fully charged Segments switch off as the battery ages When the battery indicator has only one segment left the batteries must be replaced immediately Open the battery compartment on the rear of the instrument Remove the old batteries and replace with three 3 heavy duty alkaline AA batteries observing polarity Replace the battery compartment cover securely The RH520 will require a programming reset to reset the display Press the RESET button located inside the battery compartment Reset clears all settings Time Date and the logging interval need to be entered The measurement data and alarm history however will still be retained in the non volatile memory AUN Optional Alarm Relay Module The alarm output jack located on the swivel push button stand drives the optional remote alarm relay module cable and relay The relay module can be used to power external warning or switching devices when programmed alarm limits are reached Refer to the manual supplied with the op tional module for connection information Software Software operational instructions are located on the software disc York Survey Supply Centre 2015 MAX MIN DISPLAYS oi i MEMORY LEFT
4. the unlikely event that the AC power AND the battery back up fails the RH520 will require a Programming Reset to reset the display Press the RESET button located inside the battery compartment Reset clears all settings Time Date and the logging interval need to be entered The measurement data and alarm history however will still be retained in the non volatile memory 5 The 5 segment battery life indicator allows the user to track the status of the battery When all five segments are dark the battery is fully charged Segments switch off as the battery ages When the battery indicator has only one segment left the batteries must be replaced immediately NOTE Always set the date and time immediately after batteries have been installed or after the RESET button has been pressed MOUNTING THE RH520 The RH520 can be used in the following ways 1 Placed on a table top where the swivel keypad is employed as a table stand 2 Wall mounted using the rear mounting holes MEASUREMENT PROBE The probe is attached to the meter with a 1 metre cable and can be used in two ways Stored in the RH520 probe cradle or simply held in hand PUSH BUTTON LOCK OUT SECURITY FEATURE The RH520 can be secured from tampering by having it s push buttons locked 1 Press for approx 1 second and release the UP DOWN LEFT and SET arrow buttons simultaneously to lock out the push buttons Note The security lock out can only be performed from the main vie
5. BAUD RATE 57 600 DATA BITS 8 PARITY NONE STOP BITS 1 and use XON XOFF MODE Connect the 9 pin serial connector side of the supplied communications cable to the PC serial port Connect the other end of the communications cable tot eh RH520 data jack The stored readings will automatically appear in the data capture program screen Oo W PY Alarm Conditions and the Alarm History When in standard view mode e If the ALARM display icon is flashing an alarm condition currently exists e If the ALARM display icon is ON steady there are past alarms to view in the alarm history Use the ALARM button to view the alarm history as described elsewhere in this manual e If an alarm is tripped press the ALARM button to silence it e Press and hold the SET button for 2 seconds to clear an alarm through the external relay module When in Alarm View or Time View mode e If the ALARM display icon is flashing the cursor is currently on an alarm condition e If the ALARM display icon is ON steady there are past alarms to view in the alarm history Use the cursors or the ALARM button to view the alarm history as described elsewhere in this manual Note that the alarm display icon and the external alarm relay module can be controlled separately as indicated in the statements above Factory Default Settings e Default LCD mode standard view e Temperature graph vertical resolution 0 to 100 F e RH graph vertical resolution 0 to 100 e
6. N FOR THE TEMPERATURE GRAPHIC DISPLAY Press the SET TEMP and UP arrow buttons simultaneously The upper temperature range indicator will flash and the SET icon will appear Use the UP DOWN buttons to change the upper temperature value 10 increments for F 5 increments for C Press the TEMP button and the lower temperature range indicator will flash Use the UP DOWN buttons to change the lower temperature value 10 increments for F 5 increments for C Note that the upper and lower temperatures cannot overlap and the upper value cannot be less than zero 6 Press the TEMP button to toggle upper and lower range values 7 Press the SET button at any time to store a value and return the instrument to the standard view 8 Press VIEW at any time to return to the standard view akwWND SETTING THE VERTICAL RESOLUTION FOR THE RH GRAPHIC DISPLAY 1 Press the SET RH and UP arrow buttons simultaneously 2 The upper RH range indicator will flash and the SET icon will appear 3 Use the UP DOWN buttons to change the upper RH value in 10 increments 3 Ref operat98 instructions 15 330720 qxp 05 01 15 Press the RH button and the lower RH range indicator will flash Use the UP DOWN buttons to change the lower RH value in 10 increments Note that the upper and lower RH values cannot overlap Press the RH button to toggle upper and lower range values Press the SET button at any time to store a value and return
7. VIEW to cancel exit mode ARROW KEYS Scroll through selections Moves cursor through stored points TIME View reading at specific time date Arrow keys to select VIEW to exit TEMP RH View dew point temp VIEW to exit ALARM Step back through ALARM points ALARM selects next alarm VIEW to exit SET TEMP ALARM Enters set TEMP alarm mode SET RH ALARM Enters set RH alarm mode TIME VIEW View sample rate ALARM selects HIGH LOW SET to save ALARM selects HIGH LOW SET to save VIEW to exit 2 continued York Survey Supply Centre 2015 Key press Function SET TIME VIEW Enter set sample rate mode SET TIME Enter set time date mode SET TEMP UP SET RH UP Second Alternate Keystrokes SET to save VIEW to exit SET to save VIEW to exit Enter set TEMP vertical scale mode TEMP selects upper lower SET to save Enter set RH vertical scale mode RH selects upper lower SET to save Getting Started POWER 1 The RH520 runs on battery power or AC adaptor 4 5VDC 300mA Battery power consists of three 3 AA batteries See the Battery Replacement section of this manual when changing installing the batteries Note Batteries and adaptor are supplied 2 Plug the AC adaptor in the AC adaptor jack shown in the Description section The batteries will act as battery back up in the event of an AC power failure 3 Once the batteries are installed or the adaptor properly connected the RH520 will begin displaying 4 In
8. data point can be viewed Press the ALARM button again to view the second most recent set of alarms if no alarms the standard view will appear Press the ALARM button again to view the third most recent set of alarms if no alarms the standard view will appear This procedure can continue until no further alarms exist and pressing the ALARM button will only bring up the standard view In the example diagram the RH520 is showing a high temperature alarm MAX and ALARM indicators on N Oo Ww i a Dh MEMORY LEFT iS SBR reuni ag F t MAX temperature EEEE AE ALARM alarm mode es D a fa 2 38 19 28 03 l USING THE CLOCK TO SORT THROUGH STORED READINGS 1 Press the TIME button in the standard view mode 2 Use the ARROW buttons to select a particular time of day 3 The temperature and humidity readings for the selected time will display 4 Press VIEW to return to the standard view Wi E 0 WEMOAY LEFT Use the arrow buttons to scroll to the desired time Readings recorded at the selected time will display DEW POINT DISPLAY Press the TEMP and the RH buttons simultaneously to view the Dew Point reading The DEW POINT display icon will switch on above the temper ature See the diagram below Press VIEW to return to the standard view mode Ref operat98 instructions 15 330720 qxp 05 01 15 DISPLAY DESCRIPTION Temperature measurement graph Internal memory usage meter Vertical axis scale li
9. h the decades Press the ALARM button The MIN low alarm indicator will switch on Use the UP DOWN arrow buttons to increment decrement the LOW temperature alarm limit Use the LEFT RIGHT arrow buttons to step through the decades The HIGH and LOW alarm limits cannot overlap Use the ALARM button to toggle between the HIGH and the LOW alarm limits Press the SET button at any time to save changes and return tot he standard view Press VIEW at any time to return to the standard view without saving the changes ast oO ON OD SETTING THE RH ALARM LIMITS 1 Press the SET RH and ALARM buttons simultaneously from the standard view 2 The ALARM SET and MAX indicators will switch on All of the TEMP indicators will switch off 3 Use the UP DOWN arrow buttons to increment decrement the HIGH RH alarm limit Use the LEFT RIGHT arrow buttons to step through the decades Press the ALARM button The MIN low alarm indicator will switch on Use the UP DOWN arrow buttons to increment decrement the LOW RH alarm limit Use the LEFT RIGHT arrow buttons to step through the decades The HIGH and LOW alarm limits cannot overlap Use the ALARM button to toggle between the HIGH and the LOW alarm limits Press the SET button at any time to save changes and return tot he standard view Press VIEW at any time to return to the standard view without saving the changes at Oo ON OD Display Modes STANDARD VIEW The standard view is the di
10. mits Cursor Alarm indicators Push button lock out status indicator Time display Relative humidity RH measurement graph Date display Function indicators 10 Numerical temperature reading display 11 Numerical RH reading display 12 Battery status indicator PUSH BUTTON DESCRIPTION Return the LCD to the standard view VIEW Escape from any setting function without storing value changes Scrolls highest and lowest MAX MIN readings when in standard view ALARM Display or set alarm values Display a reading stored at a specific time and date TIME Set and display the recording sampling rate Set the time and date Used in combination with other buttons to set parameter values Stores new parameter values and returns to the standard view Used in combination with other buttons to set the vertical graph range TEMP Used in combination with other buttons to set temperature alarm values Used in combination with the RH button to display dew point Used in combination with other buttons to set the vertical graph range Used in combination with other buttons to set RH alarm values Used in combination with the TEMP button to display dew point Right left down and up arrow buttons for scrolling data and navigating the display KEYPAD QUICK REFERENCE ALSO SHOWN ON REAR OF THE RH520 HOUSING Key press Function Second Alternate Keystrokes VIEW Selects view mode VIEW modes Normal TEMPmax RHmax TEMPmin RHmin SET Saves new settings
11. ne s currently displayed the cursor will not move Euro GETE OO ee oS EOY ETT ae 968 hamers hot quran ir aH 4 j CRY ps pn A238 10 28 03 i Tire ond Drie of exire W ureri oura paghon 4 A To York Survey Supply Centre 2015
12. perature Internal memory storage 49 152 complete reading sets Sampling interval Selectable recording rate 0 1 to 199 9 minutes Graph scaling User selectable in 10 F 5 C and 10 increments Low battery indication 5 segment battery indicator Power supply 3x AA batteries and AC adaptor included Battery life 4 weeks typical using alkaline batteries Operating temperature CONTROL MODULE and DISPLAY 0 to 50 C 0 to 120 F SENSOR 28 to 60 C 20 0 to 140 0 F CONTROL MODULE and DISPLAY 90 RH max SENSOR 95 RH max Dimensions 127 x 196 x 23mm 5 0 x 7 7 x 0 9 Weight 357g 12 602 Operating humidity RH520 DESCRIPTION 1 188 8 ee ALARM I 68 MN 20 00 88 89 58 mf 80 Remote sensor Sensor cable LCD display Swivel keypad tabletop stand PC interface jack Universal alarm module jack AC adaptor jack DATA RESET button clears recorded measurement data and alarm history 9 Temperature units select switch C or F 10 PROGRAMMING RESET button clears programming changes but retains measurement data and alarm history 11 Display CONTRAST adjust 12 Sensor cable storage area 13 1 5V AA batteries 14 Sensor cable run 15 Wall mount holes 8 12 13 14 ONOARWNDY Ref operat98 instructions 15 330720 qxp 05 01 15 SAMPLE RATE DISPLAY 1 Press the VIEW and the TIME buttons simultaneously from the standard view mode 2 Both numerical displays
13. splay state of the RH520 when it is turned on Refer to the diagram in the display description section of this manual for a representation of the standard view To reach the standard view at any time press the VIEW button Note that the display automatically reverts to the standard view five 5 minutes after the last button press CURSOR The CURSOR location is indicated by a small diamond located between the two graphs See diagram There is one diamond for each horizontal pixel in the graph 64 positions The date time and measurements for the data point selected by the cursor are shown in the Time Date and nu merical measurement display fields e Each press of the RIGHT ARROW button will move the cursor to the right When the cursor reaches the right side limit the graph will move to the left Holding the button down will speed the scrolling rate When the cursor reaches the oldest last reading it will stop e Each press of the LEFT ARROW button will move the cursor to the left When the cursor reaches the left side limit the graph will move to the right Holding the button down will speed the scrolling rate When the cursor reaches the newest latest reading it will stop e Each press of the UP ARROW button will shift the graph to the next set of 64 values to the left of the one s currently displayed the cursor will not move e Each press of the DOWN ARROW button will shift the graph to the next set of 64 values to the right of the o
14. the instrument to the standard view Press VIEW at any time to return to the standard view OONOA SETTING THE RECORDING SAMPLE RATE The sampling rate is the rate at which the RH520 automatically records measurements Press the SET VIEW and TIME arrow buttons simultaneously from the standard view The current sample rate in minutes will appear in the numerical temperature display area The whole minutes area of the numeric display will flash The MIN and the SET icons will switch on All other TEMP and RH indicators and numeric displays will switch off The projected TIME and DAYS representing the moment the internal memory will be full based on the sample rate is displayed in the TIME and DATE display areas Use the UP DOWN arrow buttons to increment decrement the rate Use the LEFT RIGHT arrow buttons to step through the units of time Sample rates can be set from 0 1 minutes up to 199 9 minutes Press the SET button at any time to save changes and return to the standard view Press VIEW at any time to return to the standard view without saving the changes akWwWND Oo ON OD SETTING THE TEMPERATURE ALARM LIMITS 1 Press the SET TEMP and ALARM buttons simultaneously from the standard view 2 The ALARM SET and MAX indicators will switch on All of the RH indicators will switch off 3 Use the UP DOWN arrow buttons to increment decrement the HIGH temperature alarm limit Use the LEFT RIGHT arrow buttons to step throug
15. w screen If a scroll key or the time button was pressed prior to setting up the lock out the user must scroll back to the main screen 2 Press for approx 1 second and release the UP DOWN LEFT and SET arrow buttons simultaneously to restore the operation of the push buttons Programming the RH520 SETTING THE TIME AND DATE 1 From the standard view press the SET and TIME buttons simultaneously 2 the SET indicator will appear 3 Use the UP and DOWN arrow buttons to set the time 4 Use the LEFT and RIGHT arrow buttons to step through the minutes hours AM PM 24 hour day month and year parameters e If AM or PM is selected the date format will be MONTH DAY YEAR e if 24 hour is selected the date format will be DAY MONTH YEAR 5 Press SET at any time to store the new value and revert to the standard view 6 Press VIEW at any time to return to the standard view without storing any changes CLEARING THE INTERNAL MEMORY Press the RESET button located inside the battery compartment to clear the display and measurement parameters sample rate vertical resolution and to reset the display Press the DATA RESET button located on the back of the unit to clear all of the stored readings the MAX MIN values and the alarm history SELECTING THE UNIT OF MEASURE FOR TEMPERATURE C F The C F switch located inside the battery compartment is used to select the unit of measure for temperature displays SETTING THE VERTICAL RESOLUTIO
16. will switch off so that the LCD can show only the sample rate in minutes the MIN display icon will switch on 3 The projected TIME DAYS that the internal memory will be full based on current sample rate is displayed in the TIME and DATE display areas 4 To change the sample rate refer to the programming section of this manual 5 Press the VIEW button to return to the standard view OS MEMORY LEFT Sample rate in minutes MINUTES indicator Displays how long it will take to finish recording in hours minutes months days years Not the actual date l2 Hs 38 cinutes I rmonihs 26 devs amp yaos Transfer logged readings using the PC interface The DATA jack on the right side of the meter is used to connect the RH520 to a PC The supplied communication cable connects to the DATA jack on the meter and a serial 9 pin jack on the PC When the communication cable is connected to the meter the meter begins sending the contents of its internal memory out through the cable For this reason connecting the meter is the last step as described in the communication procedure below 1 Store readings in the RH520 as described elsewhere in this manual Up to 49 152 readings can be stored However for the first test try only a few readings in order to confirm the operation of the data transfer process Open a Windows based data capture program see Appendix in rear of manual for recommended programs Set the data capture program options to
Download Pdf Manuals
Related Search