Extech Instruments RH520A User Manual

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Specifications
Display Graphical LCD
Temperature Range/Accuracy -17 to 50
o
C (0.0 to 120.0
o
F) / ±1.0
o
C (1.8
o
F)
-28 to -17
o
C (-20.0 to 0
o
F) / 3
o
C (±5.4
o
F)
50 to 60
o
C (120.0 to 140
o
F) / 3
o
C (±5.4
o
F)
Humidity Range/Accuracy 10 to 95%/±3.0% RH
Dew point temperature -28 to 60
o
C (-20.0 to 140.0
o
F)
Internal memory storage 49,152 complete reading sets
Sampling interval Selectable recording rate: 0.1(6 seconds) to 199.9 minutes
Graph scaling User selectable in 5
o
C/F in 10% increments
Low battery indication 5-segment battery indicator
Alarm output 3.5mm Mono Phone Plug,
Maximum: 3.4mA @ 5 VDC,
Minimum Output Voltage: 2.5 VDC
Power supply Three (3) ‘AA’ batteries and AC adaptor (included)
DC 5V 500mA, 3.5mm x 1.35 mm plug
Battery life 4 weeks typical, using alkaline batteries
Operating Temperature CONTROL MODULE and DISPLAY:
0 to 50
o
C (32 to 120
o
F)
SENSOR: -28 to 60
o
C (-20 to 140
o
F)
Operating Humidity CONTROL MODULE and DISPLAY:
90% RH max.
SENSOR: 95% RH max.
Dimensions 127 x 196 x 23mm (5.0 x 7.7 x 0.9")
Weight 357g (12.6oz)
Transfer logged data using the PC Interface
Software installation procedure and operational instructions are located in the RH520A software
available on the www.Extech.com/Software web page.
Copyright © 2013-2019 FLIR Systems, Inc.
All rights reserved including the right of reproduction in whole or in part in any form
www.extech.com

Extech Instruments RH520A Specifications

Temperature and Humidity

temperature range	-28 to 60 °C
temperature accuracy	±1.0 °C
humidity range	10 to 95 %
humidity accuracy	±3.0 % RH
dew point temperature	-28 to 60 °C

Power

power supply	Three ‘AA’ batteries and AC adaptor
dc voltage	5 V
battery life	4 weeks typical

Operating Environment

operating temperature range (control module and display)	0 to 50 °C
operating temperature range (sensor)	-28 to 60 °C
operating humidity (control module and display)	90 % RH max.

Memory and Data Logging

internal memory storage	49, 152 complete reading sets
sampling interval	0.1 to 199.9 minutes
alarm output current	3.4 mA @ 5 VDC

Weight and Dimensions

weight	357 g
dimensions	127 x 196 x 23 mm