The Extech EN300 is the ideal 5 in 1 instrument for HVAC technicians. It measures light, sound, air velocity, temperature, and humidity all in one hand held instrument.
Specifications
Measurements
Range
Resolution
Basic Accuracy
Air Velocity
ft/min
m/s
km/h
MPH
knots
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
1ft/min
0.1m/s
0.1km/h
0.1MPH
0.1knots
±3% FS
±3% FS
±3% FS
±3% FS
±3% FS
Light
Foot Candles
Lux
0 to 1860Fc
0 to 20,000Lux
0.1Fc
1Lux
±(5% rdg + 8d)
±(5% rdg + 8d)
Relative Humidity
10 to 95%RH
0.1%RH
±4%RH of rdg
Temperature
Thermistor
Type K
32 to 122°F (0 to 50°C)
-148 to 2372°F (-100 to 1300°C)
0.1°
0.1
±2.5°F/1.2°C
±(1%+2°F1°C/) of rdg
Sound
dB
Frequency
Weighting/Response
35 to 130dB
31.5 to 8,000Hz
A weighting/fast response
0.1dB
±1.4dB
Power
6 x AAA batteries
Dimensions Meter:
9.8 x 2.8 x 1.3" (248 x 70 x 34mm); Vane: 1.2" (31mm)
Weight
11.8oz (335g)
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