
Features:
• Simultaneous numerical and graphical display of
Humidity and Temperature readings, plus Time and Date
• Measures Humidity (10 to 95%RH) and Temperature
(-20.0°F to 140.0°F) plus calculates Dew Point
• 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
• LCD indicates percentage of memory remaining
• Replaceable probe does not require recalibration
• Detachable probe extends up to 1 meter for
measurements in closed environments
• Audible and visual alarm with Hi/Low setpoints
• Download, analyze, and store data using Windows
®
95/98/2000/NT/ME/XP Compatible Software (included)
• Output socket used with optional external alarm module
• Scroll the cursor to display selected data recorded
• Desk or wall mount
• Complete with built-in stand, detachable probe with
3ft (1m) cable, RS232 cable, software, 110VAC adaptor
and 3 AA batteries
Humidity+Temperature Chart Recorder
Best value paperless chart recorder in the market that’s easy to set up and operate
ISO 9001:2000 CERTIFIED
03/30/05 - R1
Product DATASHEET
Wall mounted for storage and easy
viewing of Temperature and Humidity
trends with date/time stamp
Desk mount configuration with easy to
program swivel arm control panel plus
probe with remote cable for reaching
into ducts and humidty chambers
Applications
• Monitor and record Laboratory or clean Room
temperature and humidity history
• Record process conditions
• Generate warning when conditions
are outside required limits
• Monitor controlled environment areas such as
freezers, storage areas and other critical areas
• Store humidity and temperature historical
data for report generation
Copyright © 2004 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
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 x 7.7 x 0.9" (129x195x22mm)
Weight: 12.6oz (357g)
Software included
Ordering Information:
RH520 ..............Humidity+Temperature Chart Recorder
RH520-NIST ....RH520 with NIST certificate
RH522 ..............Replaceable Humidity/Temperature Probe
147117 ............110V AC Adaptor
147230 ............220V AC Adaptor
SL123 ..............AC Alarm Relay Module 9 foot cable (3m)
SL124 ..............DC Alarm Relay Module 9 foot cable (3m)
Sold by AA Electric 1-800-237-8274 Lakeland, FL • Lawrenceville, GA • Greensboro, NC • East Rutherford, NJ www.A-Aelectric.com
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