Environmental Meter Rugged 4-in-1 Environmental Meter Measures Humidity, Temperature, Air Velocity and Light Features: • Ergonomic pocket size housing with large dual LCD simultaneous display of Temperature and Air Velocity or Relative Humidity • Characters on display reverse direction depending on Hygro-Thermo-Anemometer or Light Mode • Data Hold to freeze the displayed value • Records Min/Max readings • Built-in low friction vane wheel improves accuracy of air velocity in ft/min, MPH, m/s, km/h, and Knots • Built-in precision thin-film capacitance humidity sensor for fast response • Built in thermistor for ambient temperature measurements • Type K input measures Temperature to 2372°F (1300°C) using optional Type K probe • Utilizes precision photo diode and color correction filter • Cosine and color corrected light measurements • Defaults to last function when powered off • Auto power off 10 minutes after last key is pressed with disable feature • Low Battery and overrange indication • Complete with built-in Humidity sensor, Light sensor and Vane wheel, wrist strap, and 9V battery; Optional Type K thermocouple probe Measurements Air Velocity ft/min m/s km/h MPH knots Light Foot Candles (Fc) Lux Relative Humidity Temperature (Thermistor) Temperature (Type K) Dimensions Weight Range Resolution Basic Accuracy 80 to 5910 ft/min 0.4 to 30m/s 1.4 to 108km/h 0.9 to 67MPH 0.8 to 58.3 knots 10ft/min 0.1m/s 0.1km/h 0.1MPH 0.1knots ±3% FS ±3% FS ±3% FS ±3% FS ±3% FS 0 to 1860Fc 0.1Fc ±(5% rdg + 8 digits) 0 to 20,000Lux 1Lux ±(5% rdg + 8 digits) 10 to 95%RH 0.1%RH ±4%RH of rdg 32 to 122°F (0 to 50°C) 0.1° ±2.5°F (1.2°C) -148°F to 2372°F (-100°C to 1300°C) 0.1° ±(1%+2°F)/(1%+1°C) of rdg Meter: 6.1 x 2.4 x 1.3" (156 x 60 x 33mm); Vane: 1.2" (31mm) 5oz (160g) Ordering Information: 45170 ........Environmental Meter TP870 ........Type K Bead Wire Thermocouple 409992 ......Vinyl Pouch Carrying Case www.extech.com Specifications subject to change without notice. Copyright © 2009-2014 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form. 9/17/14 - R1