Specifications - Extech Instruments 407123 User Manual

Specifications

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