FPM
RH
RH
DP
PRODUCT DATASHEET
RH25
Heat Index
Psychrometer
DP
RH
HI
RH
HI
DP
WB
Extech’s pocket-sized Heat Index Psychrometer Pen easily monitors
Heat Index during hot humid days to prevent heat stroke during outdoor
activities, sporting events or, indoor workplace. Its pen-sized design
RH
DP
WB
makes it convenient to fit into your pocket and carry it wherever you go!
Measurement/Calculation modes:
TEMP
TEMP
HI
RH
HI
DP
WB
HI
WB
Relative Humidity
Heat Index
HI
WB
Temperature
HI
Dew Point
TEMP
Wet Bulb
Wet Bulb Globe
Temperature (WBGT)
DP
WB
Features
•
TEMP
Heat Index measures how hot it feels when Humidity is
HI
•
•
•
•
•
User Programmable Heat Index/WBGT alarm
WB
MIn/Max/Average
HI
combined with temperature, air movement, and radiant
heat. Wet Bulb Globe Temperature (WBGT) considers
the effects of temperature, humidity, and direct or
WB
radiant sunlight
HI
WB
TEMP
WB
Data Hold
Auto power off with disable
Complete with CR2032 battery
•
Built-in multiparameter sensor measures
Heat Index, WBGT, Humidity, Ambient Temperature,
TEMP
Temperature, Dew Point and Wet Bulb
HI
WB
HI
WB
Specifications
Temperature
Relative Humidity
Wet Bulb
Dew Point
Heat Index
WBGT
DImensions
Weight
Range
-4 to 122°F (-20 to 50°C)
0 to 99.9%RH
-4 to 122°F (-20 to 50°C)
-108.4 to 122°F (-78 to 50°C)
-50.8 to 401°F (-46 to 205°C)
-13 to 130°F (-25 to 54.5°C)
5.5x1.4x0.7" (140x35x18mm)
1.8oz (50g)
Resolution
0.1°F/C
0.1%RH
0.1°F/°C
0.1°F/°C
0.1°F/°C
0.1°F/°C
Basic Accuracy
±1°F/0.6°C
±3%RH
Ordering
RH25................. Heat Index Psychrometer
Specifications subject to change without notice. Copyright © 2013-2015 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.
Rev. 1/6/15
www.extech.com