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Extech RH520A Humidity and Temperature Chart Recorder

item#: EXT093

The Extech RH520A Humidity and Temperature Chart Recorder is suitable for applications where you need to monitor and record laboratory or clean room temperature and humidity history, keep track of process conditions and/or generate warnings when conditions are outside of required limits. This unit configures easily to the task at hand, mounting to either a desk or wall, allowing for viewing of temperature and humidity trends with a date/time stamp. Scroll down to see more details in the description tab beneath the drop-down menu.


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Model - Extech RH520A Chart Recorder

The Extech RH520A Humidity and Temperature Chart Recorder is available with standard factory calibration or with NIST Calibration Certification (adds 5 days to product lead time). For added convenience, there is also a 220V and 240V model available.





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Extra Probe - Extech RH520A Chart Recorder

The Extech RH520A Humidity and Temperature Chart Recorder is available with or without an extra probe.





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Alarm Relay Module - Extech RH520A Chart Recorder

The Extech RH520A Humidity and Temperature Chart Recorder is available with or without an AC or DC Alarm Relay Module.

  • Details

The user-friendly RH520A Humidity and Temperature Chart Recorder offers the best value for a graphical datalogger in the market. It is easy to set up and operate in a variety of areas- whether it's in a standard enclosed space or put to use monitoring controlled environments such as freezers, storage areas and other critical areas. The RH520A lets you store historical data for both humidity and temperature, making it easy to generate reports.

Extech RH520A Humidity and Temperature Chart Recorder Features

  • Simultaneous numerical and graphical display of humidity and temperature readings, plus time and date
  • LabView-based software that calculates and graphs dew point, wet bulb and GPP (grains per pound)
  • Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution
  • Internal memory records up to 49,000 data points and can be transferred to a PC via RS-232 serial port for further data analysis; an LCD indicates percentage of memory remaining
  • Detachable probe extends up to 1 meter for measurements in closed environments, and the replaceable probe does not require recalibration
  • Audible and visual alarm with hi/low setpoints
  • Output socket used with optional external alarm module

RH520A Includes:

  • Built-in stand
  • Detachable probe with 3ft cable
  • RS-232 cable
  • USB adaptor
  • LabView based software for PC
  • AC adaptor
  • 3 AA batteries

Technical Specifications

Relative Humidity Range 10.0 to 95.0%
Temperature Range -20.0 to 140.0°F (-28.0 to 60.0°C)
Accuracy ±3% Relative Humidity; ±1.8°F/±1°C
Dimensions 5" H x 7.7" W x 0.9" L

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Extech RH520A Humidity and Temperature Chart Recorder
$269.99
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