Hygro-Thermo-Anemometer-Light Meter

Extech Hygro-Thermo-Anemometer-Light Meter is a pocket size 4- in- 1 meter for measuring humidity, temperature, air velocity and light. The Extech 45170 Hygro-Thermo-Anemometer-Light Meter has a large dual LCD which simultaneously displays temperature and air velocity or relative humidity

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° (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)

General Specifications

Measurement	Range	Resolution	Accuracy
MPH (Miles per hour)	0.9 to 67.0MPH	0.1MPH	< 3937 ft/min: ±3% F.S. > 3937 ft/min: ±4% F.S
km/hr (kilometers per hour)	1.4 to 108.0 km/h	0.1km/h
Knots (nautical miles per hour)	0.8 to 58.3 knots	0.1knots
m/sec (meters per second)	0.4 to 30.0 m/s	0.1 m/s
ft/min (feet per minute)	80 to 5910 ft/min	1ft/min
Temperature/Thermistor	32 to 122 ^oF	0.1^oF/C	2.5 ^oF
Temperature /Thermocouple	-148 to 2372°F -100 to 1300°C	0.1°F 0.1°C	± (1% + 2°F) ± (1% + 1°C)
Relative Humidity	10.0 to 95.0%	0.1%	±4% RH (from 10% to 70%RH) ±4%rdg +1.2% RH (> 70% RH)
Light (Auto Ranging )	0 to 2,200 Lux	1 Lux	±5% rdg +8 digits

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