Related Manuals for FLIR Extech Instruments RH520A-240
Summary of Contents for FLIR Extech Instruments RH520A-240
- Page 1 User Manual Paperless Humidity/Temperature Chart Recorder Model RH520 21.2 13:45 04-23-04 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 2 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.
- Page 3 RH520 Description Remote sensor Sensor cable LCD Display Swivel keypad / table-top stand PC interface jack Universal alarm module jack AC adaptor jack 10 11 13 14 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...
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Page 4: Display Description
DISPLAY DESCRIPTION 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 Function indicators 10. Numerical temperature reading display 11. Numerical RH reading display 12. - Page 5 PUSH-BUTTON DESCRIPTION VIEW 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 ALARM Display or Set alarm values TIME 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...
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Page 6: Getting Started
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. - Page 7 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 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...
- Page 8 SETTING THE RECORDING SAMPLE RATE The Sampling Rate is the rate at which the RH520 automatically records measurements 1. Press the SET, VIEW, and TIME arrow buttons simultaneously from the Standard View 2. The current Sample Rate (in minutes) will appear in the numerical temperature display area 3.
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Page 9: Display Modes
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 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. -
Page 10: Alarm Displays
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. 2. When viewing the highest readings, the MAX indicator will switch on. MAX or MIN indicator When viewing is ON when in the... - Page 11 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.
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Page 12: Sample Rate Display
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. -
Page 13: Factory Default Settings
Alarm Conditions and the Alarm History When in Standard View mode: If the ALARM display icon is flashing – an Alarm condition currently exists. If the ALARM display icon is ON steady – there are past Alarms to view in the Alarm history. -
Page 14: Specifications
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 RH520-EU_ENG V4.2 3/10...
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