Model 407117
-
Version 2.1
-
November 2005
3
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 (m
3
/min) and CFM (ft
3
/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
Range
Resolution
Accuracy %rdg
m/s (meters per sec)
0.80 – 12.00 m/s
0.01 m/s
± (2% + 0.2 m/s)
km/h (kilometers per hour)
2.8 – 43.2 km/h
0.1 km/h
± (2% + 0.8 km/h)
ft/min (feet per minute)
160 – 2358 ft/min
1 ft/min
± (2% + 40 ft/m)
mph (miles per hour)
1.8 – 26.8 mph
0.1 mph
± (2% + 0.4 mph)
knots (nautical miles per hour )
1.6 to 23.3 knots
0.1 knots
± (2% + 0.4 knots)
Air Flow Measurements
Range Resolution Area
CMM (cubic meters per minute)
0-999,900 m
3
/min
0.001 to 100
0 to 9,999m
2
CFM (cubic feet per minute)
0-999,900 ft
3
/min
0.001 to 100
0 to 9,999ft
2
Range Resolution
Accuracy
Air Temperature
32 - 176
o
F (0 - 80
o
C)
0.1
o
F/C
1.5
o
F (0.8
o
C)
