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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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.
Extra Probe - Extech RH520A Chart Recorder
The Extech RH520A Humidity and Temperature Chart Recorder is available with or without an extra probe.
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.
Product Reviews for Extech RH520A Humidity and Temperature Chart Recorder
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We just received our order. I want to let you know that we are very impressed with the service we received from your company. Jon was very helpful and courteous and true to his word that we would get our order within 24 hours! Thank you, again.
- Susan Sternberg
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