EXTECH 45160 3-in-1 Humidity, Temperature and Airflow Meter


3-in-1 Humidity, Temperature and Airflow meter
Ergonomic pocket size housing, large dual LCD

3-in-1 Airflow Meter simultaneously displays temperature and air velocity or relative humidity. The ergonomic, pocket-size design allows it to go anywhere and the large, dual LCD is easy-to-read. It also features MAX/MIN, Data Hold, and auto power off with disable functions.

The 45160 uses a thin-film capacitance humidity sensor for fast response. A built-in, low-friction, vane wheel improves air velocity accuracy. A popular option for this meter is the bead wire with a Type K probe. This will allow the unit to measure temperatures up 1300C


  • Simultaneously displays Temperature and Air Velocity or Relative Humidity
  • Type K input socket for high temperature measurements to 1300°C using optional (TP870) Type K thermocouple
  • Min/Max, Data hold, Auto power off with disable feature
  • Built-in low friction vane wheel improves air velocity accuracy
  • Thin-film capacitance humidity sensor for fast response

Authorised Australian Distributor

.CE   1 Year


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Extech 45160 Specifications:

MPH (Miles per hour)
Range 0.9 to 67.0 MPH
Resolution 0.1MPH
Accuracy ≤3937 ft/min: ±3% F.S., > 3937 ft/min: ±4% F.S
km/hr (kilometers per hour)
Range 1.4 to 108.0 km/h
Resolution 0.1km/h
Accuracy ≤3937 ft/min: ±3% F.S., > 3937 ft/min: ±4% F.S
Knots (nautical miles per hour)
Range 0.8 to 58.3 knots
Resolution 0.1knots
Accuracy ≤3937 ft/min: ±3% F.S., > 3937 ft/min: ±4% F.S
m/sec (meters per second)
Range 0.40 to 30.00 m/s
Resolution 0.01 m/s
Accuracy ≤3937 ft/min: ±3% F.S., > 3937 ft/min: ±4% F.S
ft/min (feet per minute)
Range 80 to 5910 ft/min
Resolution 10ft/min
Accuracy ≤3937 ft/min: ±3% F.S., > 3937 ft/min: ±4% F.S
Range -0° to 50°C
Resolution 0.1°C
Accuracy ± 1.2°C
Temperature /Thermocouple
Range -100° to 1300°C
Resolution 0.1°C
Accuracy ± (1% + 1°C
Relative Humidity
Range 10.0 to 95.0%
Resolution 0.1% ±4% RH (from 10% to 70%RH)
Accuracy ±5.2% RH (> 70% RH)
General Specifications
Display 4 digit (9999 count) Dual Display LCD
Sensors Thin film capacitance humidity sensor
Min/Max recalls the highest/lowest reading
Data Hold Data Hold freezes the display
Operating conditions 0° to 50°C / < 80% RH
Power supply 9 Volt Battery
Dimensions / Weight Instrument 156 x 60 x 33mm
Vane 24mm diameter / 95 g

Extech 45160 MIN, MAX, Recording Function

Press the Max/Min button to begin capturing the Minimum (MN), and Maximum (MX), values. Press the Max/Min to view maximum and minimum recorded readings, Press and Hold the Max/Min button until the display returns to standard operation to exit the Max/Min function.

Extech 45160 Data Hold

Press the HOLD button to freeze the reading in the display. The ‘HOLD’ icon will appear on the upper right-hand side of the display. Press the HOLD button again to return to normal operation (the ‘HOLD’ hold icon will disappear).

Extech 45160 Auto Power OFF

The meter will automatically turn off after 10 minutes if no keys are pressed during this period. Auto power off is disabled in the max/min recording mode. Turning Power OFF Press the power button to turn power off.

Weight 1 kg