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User's Guide
Visit us at www.TestEquipmentDepot.com
3-in-1 Humidity, Temperature and Airflow Meter
Model 45160
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Introduction
Congratulations on your purchase of Extech’s Model 45160 3-in-1 Humidity,
Temperature and Airflow Meter. The dual display indicates Air Velocity and Temperature
or Humidity and Temperature. With careful use, this meter will provide years of reliable
service.
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com
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Specifications
Range Specifications
Measurement Range Resolution Accuracy
MPH (Miles per hour) 0.9 to 67.0MPH 0.1MPH
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) 0.40 to 30.00 m/s 0.1 m/s
ft/min (feet per minute) 80 to 5910 ft/min 1ft/min
Temperature/Thermistor 32 to 122oF (-0 to 50oC) 0.1oF/C ± 2.5oF (± 1.2oC)
Temperature /Thermocouple -148 to 2372°F
-100 to 1300°C
Relative Humidity 10.0 to 95.0% 0.1% ±4% RH (from 10% to 70%RH)
General Specifications
Display 4 digit (9999 count) Dual Display LCD
Sensors Thin film capacitance humidity sensor
Min/Max Min/Max recalls the highest/lowest reading
Data Hold Data Hold freezes the display
Operating conditions 32 to 122oF (0 to 50oC) / < 80% RH
Power supply 9 Volt Battery
Dimensions / Weight Instrument: 6.14 x 2.36 x 1.29” (156 x 60 x 33mm)
Vane: 1” ( 24mm ) diameter / 3 oz. ( 95 g )
0.1°F
0.1°C
≤ 3937 ft/min: ±3% F.S.
> 3937 ft/min: ±4% F.S
±5.2% RH (> 70% RH)
± (1% + 2°F)
± (1% + 1°C)
Meter Description
1. LCD display
2. Keypad
3. Vane
4. Thermocouple input jack
5. %RH sensor
6. Battery compartment (rear)
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Model 45160 Version 1.3 November 2004
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