Specifications - Extech Instruments 407119 User Manual

Specifications

General Specifications
Range Specifications
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Display Dual function 5-digit LCD
Measurement units Air Velocity: m/s, km/h, ft/min, knots, mph;
Air Flow: CMM (m
Data hold Freezes displayed reading
Sampling rate Display update rate:1 second (approx.)
Sensors Air velocity and temperature sensors: Thermistor type
MAX/MIN Memory Record and view Maximum and Minimum readings
Average feature Averages up to 20 readings
Automatic Power off Auto shut off after 15 minutes
Data Output RS-232 PC serial interface with 16-bit data stream output
Operating Temp. 0 to 50°C (32 to 122°F)
Operating Humidity Max. 80% Relative Humidity
Power Supply Four (4) 'AA' 1.5V batteries or optional AC adaptor
Power Current 70mA DC (approx.)
Weight (meter only) 521g (1.15 lbs.) with batteries installed
Dimensions Main instrument: 200.0 x 76.2 x 36.8mm (7.9 x 3.0 x 1.5")
Telescoping Sensor: 12.7mm (0.5") diameter head
Min length of sensor: 260mm (8"); Max. length: 0.94m (37") with 1.7m
(5.5') cable
Air Velocity
m/s (meters per second)
km/h (kilometers per hour)
ft/min (feet per minute)
mph (miles per hour)
knots (nautical miles per hour) 0.4 to 33.0 knots
Air Flow Measurements
CMM (cubic meters per min.) 0 – 36,000 m
CFM (cubic feet per minute) 0 – 1,271,200 ft
Air Temperature
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3 /min) and CFM (ft 3 /min);Temperature: °C and °F
Range Resolution
0.2 – 17.0 m/s 0.1
0.7 – 61.2 km/h 0.1
40 – 3346 ft/min 1
0.5 – 38.0 mph 0.1
0.1
Range Resolution
3 /min 0.001 to 1
3 /min 0.01 to 100
Range Resolution
0 to 50 o C
0.1 o C/F
(32 to 122 o F)
3
Accuracy (of rdg)
±(5%rdg + 0.5 m/s)
±(5%rdg + 1.8 km/h)
±(5%rdg + 98 ft/min)
±(5%rdg + 1.1 mph)
±(5%rdg + 1.0 knots)
Area Range
0.001 to 30.0 m 2
0.01 to 322.91ft 2
Accuracy
±2.0 o C (3.6 o F)
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