Model RH520
Contents
1. HEERE EEE iso PM u eo o os gt Time and Date of readings at Current Cursor position 9 RH520 EU_ENG V4 2 3 10 MAX MIN DISPLAYS 1 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 When viewing the highest BEEEEEEEEB 0 MEMORY LEFT readings the MAX indicator H 358 will switch on Min MAX or MIN indicator When viewing is ON when in the the lowest MAX or MIN mode readings the BE nooo pa MIN icon will i switch on The cursor will dG PM H OB B sarg 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 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 analyze the most recent alarm activity temperature or humidity if any The ALARM display icon and the relevant upper temperature or low2. 49 152 complete reading sets Selectable recording rate 0 1 6 seconds to 199 9 minutes User selectable in 5 C 5 F and 10 increments 5 segment battery indicator 3 5mm Mono Phone Plug Maximum 3 4mA 5 Vdc Minimum Output Voltage 2 5 Vdc Three 3 AA batteries and AC adaptor included DC4 5V 300mA 3 5mm x 1 35 mm plug 4 weeks typical using alkaline batteries CONTROL MODULE and DISPLAY 0 to 50 C 32 to 120 F SENSOR 28 to 60 C 20 to 140 F CONTROL MODULE and DISPLAY 90 RH max SENSOR 95 RH max 127 x 196 x 23mm 5 0 x 7 7 x 0 9 357g 12 602 The alarm output can be used to power external warning or switching devices when programmed alarm limits are reached Software Software operational instructions are located on the software disc Copyright 2008 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form www extech com 14 RH520 EU_ENG V4 2 3 10
3. second and release the UP DOWN LEFT and SET arrow buttons simultaneously to restore the operation of the push buttons 6 RH520 EU_ENG V4 2 3 10 Programming the RH520 SETTING THE TIME AND DATE 1 2 3 4 5 6 From the Standard View press the SET and TIME buttons simultaneously The SET indicator will appear Use the UP and DOWN arrow buttons to set the time Use the LEFT and RIGHT arrow buttons to step through the minutes hours AM PM 24 Hour day month and year parameters If AM or PM is selected the date format will be MONTH DAY YEAR If 24 hour is selected the date format will be DAY MONTH YEAR Press SET at any time to store the new value and revert to the Standard View 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 RESOLUTION FOR THE TEMPERATURE GRAPHIC DISPLAY 1 ak won D 8 Press the SET TEMP and UP arrow button
4. EW to exit ALARM Step back through ALARM points ALARM selects next Alarm VIEW to exit SET TEMP ALARM Enters Set TEMP Alarm mode ALARM selects HIGH LOW SET to save SET RH ALARM Enters Set RH Alarm mode ALARM selects HIGH LOW SET to save TIME VIEW View Sample Rate VIEW to exit SET TIME VIEW Enter Set Sample Rate mode SET to save VIEW to exit SET TIME Enter Set Time Date mode SET to save VIEW to exit SET TEMP UP Enter Set TEMP Vertical Scale mode TEMP selects upper lower SET to save SET RH UP Enter Set RH Vertical Scale mode RH selects upper lower SET to save RH520 EU_ENG V4 2 3 10 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 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 Once the batteries are installed or the adaptor properly connected the RH520 will begin displaying In 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 Da
5. SH BUTTON DESCRIPTION ALARM TIM SET g A H 5 z m m H a Return the LCD to the Standard View Escape from any setting function without storing value changes Scrolls highest and lowest MAX MIN readings when in Standard View Display or Set alarm values Display a reading stored at specific Time and Date Set and Display the recording Sampling Rate Set the Time and Date Used in combination with other buttons to set new parameter values Stores new parameter values and returns to the Standard View Used in combination with other buttons to set the vertical graph range 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 VIEW to cancel exit mode ARROW KEYS Scroll through selections Movers cursor through stored points TIME View reading at specific time date Arrow keys to select VIEW to exit TEMP RH View Dew Point temp VI
6. User Manual EXTECH INSTRUMENTS A FLIR COMPANY Paperless Humidity Temperature Chart Recorder Model RH520 le E amp Bi b e Introduction Congratulations on your purchase of the Extech RH520 Temperature Humidity Chart Recorder The RH520 measures and displays Temperature 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 automatic 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 reliable service CAUTIONS e This device is not a toy and must not reach children s hands It contains hazardous objects as well as small parts that the children could swallow In case a child swallows any of them please contact a physician immediately e Do not leave batteries and packing material lying around unattended they can be dangerous for children if they use them as toys e Incase the device is going to be unused for an extended period of time remove the batteries to prevent them from training e Expired or damaged batteries can cause cauterization on contact
7. 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 numerical measurement display fields 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 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 Each press of the UP ARROW button will shift the graph to the next set of 64 values to the left of the ones currently displayed the cursor will not move Each press of the DOWN ARROW button will shift the graph to the next set of 64 values to the right of the one displayed the cursor will not move Cursor Position mannm 0 MEMORY LEFT E are bE o fp MAX K Measurements at current Cursor position
8. d replace with three 3 heavy duty alkaline AA batteries observing polarity 3 Replace the battery compartment cover securely 4 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 You as the end user are legally bound Battery ordinance to return all used batteries and accumulators disposal in the household garbage is prohibited You can hand over your used batteries accumulators gratuitously at the collection points in our branches in your community or wherever batteries accumulators are sold Disposal Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle 13 RH520 EU_ENG V4 2 3 10 Specifications Display Temperature Range Accuracy Humidity Range Accuracy Dew point temperature Internal memory storage Sampling interval Graph scaling Low battery indication Alarm output Power supply Battery life Operating Temperature Operating Humidity Dimensions Weight Alarm Output Graphical LCD 0 0 to 120 0 F 17 to 50 C 1 8 F 1 C 20 0 to 0 F 28 to 17 C 5 4 F 3 C 120 0 to 140 F 50C to 60 C 5 4 F 3 C 10 to 95 3 0 RH 28 to 60 C 20 0 to 140 0 F
9. er 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 relevant 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 BEEBE eemmB 0 MEMORY LEFT 468 Co MAX Temperature ALARM Alarm Mode 10 RH520 EU_ENG V4 2 3 10 USING THE CLOCK TO SORT THROUGH STORED READINGS Press the TIME button in the Standard View mode Use the ARROW buttons to select a particular time of day The temperature and humidity readings for the selected Time will display PG Ne Press VIEW to return to the Standard View MEMORY LEFT 468 T MAX 100 BEEEEEEEEE 0 ALARM e 0 10 28 09 l 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 Po
10. int reading The DEW POINT display icon will switch on above the temperature See the diagram below Press VIEW to return to the standard view mode MEMORY LEFT DEW POINT EREEEEEEEE 0 50 10 38 ey Oo eg o3 RH520 EU_ENG V4 2 3 10 SAMPLE RATE DISPLAY 1 Press the VIEW and the TIME buttons simultaneously from the Standard View mode 2 Both numerical displays 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 the current sample rate is displayed in the TIME and DATE display areas To change the sample rate refer to the programming section of this manual Press the VIEW button to return to the Standard View nnnnnnnnnm 0 MEMORY LEFT es oe oes a i J gg Sample rate in minutes MIN MINUTES indicator Displays how Da Ca Ea long it will take c 30 to finish recording in hours minutes months days years Not the actual dote 12 Hrs 38 minutes 10 months 28 days 3 years Transfer logged readings using the PC nterface Software installation procedure and operational instructions are located on the ExChart software disc 12 RH520 EU_ENG V4 2 3 10 Alarm Conditions and the Alarm History When in Standard View mode f the ALARM display icon is flashing an Alarm condition currently exists f the ALARM di
11. s 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 5 increments Press the TEMP button and the lower temperature range indicator will flash Use the UP DOWN buttons to change the lower temperature value 5 increments Note that the upper and lower temperature values cannot overlap and the upper value cannot be less than zero Press the TEMP button to toggle upper and lower range values Press the SET button at any time to store a value and return the instrument to the Standard View Press VIEW at any time to return to the Standard View SETTING THE VERTICAL RESOLUTION FOR THE RH GRAPHIC DISPLAY 1 OD i O O a OO N Press the SET RH and UP arrow buttons simultaneously The upper RH range indicator will flash and the SET icon will appear Use the UP DOWN buttons to change the upper RH value in 10 increments 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 the instrument to the Standard View Press VIEW at any time to return to the Standard View 7 RH520 EU_ENG V4 2 3 10 SETTING THE RECORDING SAMPLE RATE The Sampling Rate is the rate at which the RH520 automaticall
12. splay 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 f an Alarm is tripped press the ALARM button to silence it 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 f the ALARM display icon is flashing the cursor is currently on an Alarm condition f 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 Default LCD mode Standard View Temperature Graph Vertical Resolution 20 to 40 C RH Graph Vertical Resolution 0 to 100 TEMP and RH Alarm Limits 0 low and 100 high 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 1 Open the battery compartment on the rear of the instrument 2 Remove the old batteries an
13. te and the logging interval need to be entered The measurement data and alarm history however will still be retained in the non volatile memory 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 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 2 Placed on a table top where the swivel keypad is employed as the table stand Wall mounted using the rear mounting holes MEASUREMENT PROBE The probe is attached to the meter with a 1 meter cable and can be used stored in the RH520 probe cradle or remotely The probe cable length can be easily extended with an RJ45 cable and a gender changer PUSH BUTTON LOCK OUT SECURITY FEATURE The RH520 can be secured from tampering by having its 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 view 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 Press for approx 1
14. 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 to the Standard View Press VIEW at any time to return to the Standard View without saving the changes SETTING THE RH ALARM LIMITS 1 2 a OND Press the SET RH and ALARM buttons simultaneously from the Standard View The ALARM SET and MAX indicators will switch on All of the TEMP indicators will switch off 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 to the Standard View Press VIEW at any time to return to the Standard View without saving the changes 8 RH520 EU_ENG V4 2 3 10 Display Modes STANDARD VIEW The Standard View is the display 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
15. with the skin Always therefore use suitable hand gloves in such cases e See that the batteries are not short circuited Do not throw batteries into the fire 2 RH520 EU_ENG V4 2 3 10 RH520 Description OPS a Me a ee 11 12 13 14 15 MAX 88 58 88 88 89 mi RHS20 Humidity and Temperature Recorder Remote sensor Sensor cable LCD Display Swivel keypad table top stand PC interface jack Universal alarm module jack AC adaptor jack 8 DATA RESET button clears recorded measurement data and alarm history Temperature units select switch C or F PROGRAMMING RESET button clears programming changes but retains measurement data and alarm history Display CONTRAST adjust Sensor cable storage area AA 1 5V batteries Sensor cable run Wall mount holes 3 RH520 EU_ENG V4 2 3 10 DISPLAY DESCRIPTION BEEEeeeee 0 MEMORY LEFT ig C OU Temperature measurement graph Internal memory usage meter Vertical axis scale limits Cursor Alarm indicators Push button lock out status indicator Time display Relative Humidity RH measurement graph Date display ONnNOanarR wD Function indicators 2 Numerical temperature reading display Numerical RH reading display a y Battery status indicator 4 RH520 EU_ENG V4 2 3 10 PU
16. y records measurements 1 2 7 8 9 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 6 seconds 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 SETTING THE TEMPERATURE ALARM LIMITS 1 2 a 2 ND Press the SET TEMP and ALARM buttons simultaneously from the Standard View The ALARM SET and MAX indicators will switch on All of the RH indicators will switch off Use the UP DOWN arrow buttons to increment decrement the HIGH temperature 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 temperature alarm limit Use
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