Model 407123 V5.2 2/2006
2
Specifications
General Specifications
Circuit configuration
Custom one-chip LSI microprocessor circuit
Display
3-1/2 digit (2000 count) dual LCD 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), Temperature: °C, °F
Data hold
Freezes reading on display
Sensor Structure
Air velocity sensor: Glass bead thermistor
Temperature sensor: Precision thermistor
Min/Max Recording
Record and Recall Maximum (MAX) and Minimum (MIN) readings
PC Interface
RS 232 PC serial interface jack for use with Model 407001
software and interface cable kit
Operating
Temperature
32 to 122°F (0 to 50 °C)
Operating Humidity
Max. 80% RH
Power Supply
Six (6) 1.5V ‘AAA’ batteries
Power Consumption
Approx. 30 mADC
Weight
0.78 lb (355 g) including batteries & probe
Dimensions
Main instrument: 7.1 x 2.8 x 1.3” (180 x 72 x 32 mm)
Sensor: 0.5” (12mm) diameter
Telescope: 7’ (2.1m) maximum length with cable
Range Specifications
Units
Range
Resolution
Accuracy
m/s
0.2 to 20.0 m/s
0.1 m/s
±(3.0%rdg+0.3m/s)*
km/h
0.7 to 72.0 km/h
0.1 km/h
±(3.0%rdg+1.1km/h)*
ft/min
40 to 3940 ft/min
1 ft/min
±(3.0%rdg+59ft/min)*
MPH
0.5 to 45.0 MPH
0.1 MPH
±(3.0%rdg+0.67MPH)*
knots
1.0 to 31.0 knots
0.1 knots
±(3.0%rdg+0.58knots)*
*or, ±(1.0%FS+3d) whichever is greater
Temperature
32 to 122
o
F (0 to
50
o
C)
0.1
o
F and
o
C
1.5
o
F (0.8
o
C)
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