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451126 Datasheet, PDF (2/10 Pages) Extech Instruments Corporation. – Vane Thermo-Anemometer Datalogger
Specifications
Display
Dual 4-digit (9999 count) Multi-function LCD
Data hold
Sensor Structure
Memory Recall
Locks latest reading on the LCD display
Air velocity sensor: Conventional twisted vane arm with low friction
(sapphire) ball bearing. Temperature sensor: K-type thermocouple
built into vane. 1/4" mounting nut provided
Records Max/Min readings with push-key RECALL
Data Output
RS-232 PC serial interface
Operating conditions Temperature: 32°F to 122°F (0°C to 50°C); Humidity: <80% RH;
(Meter)
Pressure: 500mB to 2 Bar
Operating conditions Temperature: 32°F to 140°F (0°C to 60°C); Humidity: <80% RH;
(Vane)
Pressure: 500mB to 2 Bar
Storage temperature Temperature: -40°F to 140°F (-40°C to 60°C)
Power Supply
9V battery; Battery life: 50 hours typical
Power Consumption Approx. 3 mA DC
Weight
0.77 lbs. (350g)
Dimensions
Meter: 3.46 x 6.61 x 1.03" (88 x 168 x 26.2mm);
Vane: 2.6 x 5.22 x 1.15" (66 x 132 x 29.2mm)
Accessories
9V battery and carrying case
Range Specifications
Measurement
Feet per Minute (ft/min)
Air Velocity
Calibrated Range
60.0 to 8800
Display
Resolution
0.1
Accuracy
(%FS)
± (3% + 20 ft/min)
Meters per Second (m/s)
0.30 to 45.00
0.01
± (3% + 0.1 m/s)
Kilometers per Hour (km/hr) 1.00 to 140.0
0.01
± (3% + 0.4 km/hr)
Miles per Hour (mile/hr)
0.70 to 100.0
0.01
± (3% + 0.2 mile/hr)
Knots
0.60 - 88.0
0.01
± (3% + 0.2 knots)
Units
oC
oF
Range
0.0oC to 45.0oC
32.0oF to 113.0oF
Temperature
Converter Resolution
0.2oC
0.4oF
Accuracy
±1.0oC
±1.8oF
CFM (ft3/min)
CMM (m3/min)
Air Flow and Area
(CMM: 0 to 45.00 m/s; CFM: 0 to 8800 ft/min)
Range
Resolution
0 to 999900
0.001 to 100
0 to 999900
0.001 to 100
Area
0.001 to 9999
0.001 to 9999
2
Model 451126 V2.0 6/08