Extech 45170CM Data sheet
45170CM 5-in-1 Environmental
Meter with CFM/CMM
Extech’s convenient 5-in-1 Environmental Meter measures Air Velocity, Air Flow, Humidity, Temperature,
and Light. This multi-functional meter is ideal for professional or home use in testing the environmental
quality in a building.
Air Velocity Air Flow Light Level Relative Humidity Surface Temperature
Features
• Ergonomic housing with large dual “smart” LCD where
characters on display reverse direction depending on
the function in use
• Low friction vane wheel improves accuracy of Air
Velocity and Air Flow measurements
• Utilizes precision photo diode and color correction filter
for light measurements
• Thin-film capacitance humidity sensor for fast response
• Thermistor measures ambient Temperature
• Type K input measures Temperature to 2372°F
(1300°C) using optional Type K probe
• Data Hold and Min/Max
• Auto power off with disable feature
• Low battery and overrange indication
• Complete with built-in sensors, wrist strap, and 9V
battery; Type K thermocouple probe sold separately
Specifications Range Resolution Basic Accuracy
Air Velocity ft/min 80 to 5910 ft/min 1ft/min ±3% FS
m/s 0.4 to 30m/s 0.1m/s ±3% FS
km/h 1.4 to 108km/h 0.1km/h ±3% FS
MPH 0.9 to 67MPH 0.1MPH ±3% FS
knots 0.8 to 58.3 knots 0.1knots ±3% FS
Air Flow CFM (CMM) 0.01 to 1,908,400CFM (0.001 to 54,000CMM) 0.001CFM (CMM)
Light Level Fc (Lux) 0 to 1860Fc (0 to 20,000Lux) 0.1Fc (1Lux) ±(5% rdg + 8 digits)
Relative Humidity 10 to 95%RH 0.1%RH ±4%RH of rdg
Temperature (Thermistor) 32 to 122°F (0 to 50°C) 0.1° ±2.5°F (1.2°C)
Temperature (Type K) -148°F to 2372°F (-100°C to 1300°C) 0.1° ±(1%+2°F)/ (1%+1°C) of rdg
Dimensions/ Weight Meter: 6.1 x 2.4 x 1.3" (156 x 60 x 33mm); Vane: 1.2" (31mm)/ 5oz (160g)
PRODUCT DATASHEETPRODUCT DATASHEET
Ordering
45170CM .......... 5-in-1 Environmental Meter with CFM/CMM
TP870 ............... Type K Bead Wire Thermocouple (-40 to 482°F/-40 to 250°C)
409992.............. Vinyl Pouch Carrying Case
Specifications subject to change without notice. Copyright © 2014 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.
Rev. 12/17/14
UPC Code: 793950451717
www.extech.com
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