EXTECH RH520A-NIST, RH520A-220, RH520A-220-NIST, RH520A-240, RH520A-240-NIST DATA SHEET
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Humidity + Temperature Chart Recorder
Best value graphical datalogger in the market
User friendly, easy to set up and operate
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 included LabVIEW™-based software 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
• 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
• 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, RS-232 To USB Adaptor,
LabView-based PC software, 100-240VAC 50/60Hz
adaptor, and 3 AA batteries
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
Ordering Information:
RH520A ........................Humidity + Temperature Chart Recorder w/universal adaptor
RH520A-NIST ..............RH520A with NIST Certificate
RH520A-220 ................Humidity + Temperature Chart Recorder (220V)
RH520A-220-NIST ......Humidity + Temperature Chart Recorder (220V)
RH520A-240 ................Humidity + Temperature Chart Recorder (240V)
RH520A-240-NIST ......Humidity + Temperature Chart Recorder (240V)
RH522 ..........................Replaceable Humidity/Temperature Probe
SL123 ..........................AC Alarm Relay Module 9ft (3m) cable
SL124 ..........................DC Alarm Relay Module 9ft (3m) cable
www.extech.com
Specifications subject to change without notice.
Copyright © 2008-2011 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
LabView-based PC software
& proprietary cable for data
download control
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)
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
9/16/11 - R1
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