Extech Instruments RH520A Data Sheet

RH520A Humidity + Temperature

Chart Recorder

This paperless chart recorder provides
simultaneous digital and graphical display of %RH
and Temperature or Dew Point. The display also
shows date/time and Min/Max measurements.
Stored readings can be recalled on the display
or downloaded to a PC. ExChart PC software is
included for download control and to graph %RH,
Ambient Temperature, Dew Point, Wet Bulb, and
GPP or g/kg. Provisions for wall mounting or the
control panel swivels to act as a desk stand. The
user can set audible and visual alarms with High
and Low limits for Humidity and Temperature.

Features

• Simultaneous numerical and graphical display of

Humidity and Temperature or Dew Point readings, plus

Time & Date

• Measures Humidity (10 to 95%RH) and Temperature

(-20.0°F to 140.0°F) plus included ExChart software

to calculate and graph 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 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, RS-232 cable, USB adaptor, Windows

compatible software, AC adaptor, and 3 AA batteries

®

Specifications

Relative Humidity 10.0 to 95.0% ±3% RH

Temperature -20.0 to 140.0°F (-28.0 to 60.0°C) ±1.8°F (±1°C)

Dimensions 5 x 7.7 x 0.9" (129x195x22mm)

Weight 12.6oz (357g)

Range Basic Accuracy

Ordering

PRODUCT DATASHEETPRODUCT DATASHEET

RH520A N * ..................Humidity + Temperature Chart Recorder

RH520A-220

RH520A-240

RH522 ....................Replaceable Humidity/Temperature Probe

N * Indicates products that are available with optional calibration traceable to NIST. Order with -NIST after part number for product plus Calibration Certificate.

Specifications subject to change without notice. Copyright © 2008-2019 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.
Rev. 4/15/19

N *............Humidity + Temperature Chart Recorder (220V)

N *............Humidity + Temperature Chart Recorder (240V)

RH520A UPC Code: 793950445204
RH520A-220 UPC Code: 793950442203
RH520A-240 UPC Code: 793950442401