English
Language : 

407117 Datasheet, PDF (3/6 Pages) Extech Instruments Corporation. – Heavy Duty Mini Vane CFM Thermo Anemometer
Specifications
Circuit
Custom LSI microprocessor circuit
Display
Dual function 0.5" (13 mm) 4-digit LCD
Measurement units
Air Velocity: m/s, km/h, ft/min, knots, mph;
Air Flow: CMM (m3/min) and CFM (ft3/min);Temp: °C and °F
Data hold
Freezes displayed reading
Sampling rate
1 second approx.
Sensors
Air velocity/flow sensor: Low friction, ball-bearing vane;
Temp. sensor: Precision thermistor
MAX/MIN Memory
Record and Recall Maximum and Minimum readings
Automatic Power off Auto shut off after 15 minutes to preserve battery life
Data Output
RS 232 PC serial interface with 16-bit data stream output
Operating Temperature Meter: 32 to 122°F (0 to 50°C); Sensor: 32 to 176°F (0 to 80°C)
Operating Humidity
Max. 80% RH
Power Supply
9V battery (Heavy duty alkaline); optional AC adapter
Power Current
Approx. DC 8.3 mA
Weight
1.6 lbs. (700 g) including battery & probe
Dimensions
Main instrument: 7 x 2.9 x1.3" (178 x 74 x 33mm)
Telescoping Sensor: 0.5" diameter head;
23.6" (600mm) max antenna length with 39" (1m) cable
Air Velocity Measurements
m/s (meters per sec)
km/h (kilometers per hour)
ft/min (feet per minute)
mph (miles per hour)
knots (nautical miles per hour )
Air Flow Measurements
CMM (cubic meters per minute)
CFM (cubic feet per minute)
Range
0.80 – 12.00 m/s
2.8 – 43.2 km/h
160 – 2358 ft/min
1.8 – 26.8 mph
1.6 to 23.3 knots
Range
0-999,900 m3/min
0-999,900 ft3/min
Air Temperature
Range
32 - 176oF (0 - 80oC)
Resolution
0.01 m/s
0.1 km/h
1 ft/min
0.1 mph
0.1 knots
Resolution
0.001 to 100
0.001 to 100
Accuracy %rdg
± (2% + 0.2 m/s)
± (2% + 0.8 km/h)
± (2% + 40 ft/m)
± (2% + 0.4 mph)
± (2% + 0.4 knots)
Area
0 to 9,999m2
0 to 9,999ft2
Resolution
0.1oF/C
Accuracy
1.5oF (0.8oC)
3 Model 407117 - Version 2.1 - November 2005