Extech Instruments AN500, User Manual

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AN500-EU-EN v1.5 1/13 8
Specifications
General Specifications
Circuit configuration Custom one-chip LSI microprocessor circuit
Display Dot Matrix LCD backlit display
Measurements m/s (meters per second), km/h (kilometers per hour), ft/min (feet/per
minute), knots (nautical miles per hour), MPH (miles per hour), CMM
(m
3
/min), and CFM (ft
3
/min), Temperature: °C, °F
Temperature sensor Two temperature sensors on glass pad
Min/Max Recording Capture Maximum (MAX), Minimum (MIN), and Average (AVG) readings
Datalogger 36 readings can be stored and recalled
Operating Temperature 0 to 50 °C (32 to 122°F)
Operating Humidity Max. 80% RH
Power Supply Six (6) 1.5V ‘AA’ batteries
Power Consumption Approx. 30 mADC
Weight 355g (0.78 lbs.) including batteries & probe
Dimensions Main instrument: 180 x 72 x 32 mm (7.1 x 2.8 x 1.3”)
Sensor: 12mm (0.5”) diameter
Telescoping handle with cable: 2.1m (7’) max. length with cable
Range Specifications
Units Range Resolution Accuracy
0.0 to 9.99 m/s 0.01 m/s
m/s
10.0 to 20.0 0.1 m/s
±(3.0%rdg+0.2m/s)
km/h 0.0 to 75.0 km/h 0.1 km/h ±(3.0%rdg+0.7km/h)
ft/min 0 to 4000 ft/min 1 ft/min ±(3.0%rdg+38ft/min)
MPH 0.0 to 45.0 MPH 0.1 MPH ±(3.0%rdg+0.4MPH)
knots 0.0 to 40.0 knots 0.1 knots ±(3.0%rdg+0.4knots)
Units Range Resolution Gain
CMM
(cubic
meters per minute)
0 to 1298.0 m
3
/min 0.1 m
3
/min 0.10-1.00
CFM
(cubic feet
per minute)
45922 ft
3
/min 1 ft
3
/min 0.10-1.00
mbar 502-1012 mbar 2 mbar 0.00-2.00
Power Consumption’=(1+(1010/mbar-1)*gain)*power consumption
CMM=(60*m/sec*R*R*PI*gain)/40000 Circle
CMM=(60*m/sec*L*W*gain)/10000 Rectangle
CFM=(ft/min*R*R*PI*gain)/576 Circle
CFM=(ft/min*L*W*gain)/144 Rectangle
R & L & W: 1.5-101.5cm (0.5) or 0.6-40.0in. (0.2)
Temperature 0 to 60
o
C (0 to 140
o
F) 0.1
o
F and
o
C 1.0
o
C (1.8
o
F)
Note : m/s: meters per second; km/h: kilometers per hour; ft/min: feet per minute; Knots: nautical miles per hour;
MPH: miles per hour; CMM: cubic meters per min; CFM: cubic ft per min