Specifications; Range 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
0 to 50 °C (32 to 122°F)
Max. 80% RH
Six (6) 1.5V 'AAA' batteries
Approx. 30 mA DC
355 g (0.78 lb) including batteries & probe
Main instrument: 180 x 72 x 32 mm (7.1 x 2.8 x 1.3")
Sensor: 12mm (0.5") diameter
Telescope: 2.1m (7') 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
0.4 to 38.8 knots
*or, ±(1.0%FS+3d) whichever is greater
o
0 to 50 C (32 to 122
o
F)
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
5
Accuracy
o o
0.8 C (1.5 F)
407123-EU-EN v6.6 3/14