User Manual

AN300-EN v1.1 1/13
10
Specifications
Air Velocity
Range
Resolution
Accuracy
m/s (meters per second)
0.2 - 30 m/s
0.01 m/s
± (1.5% rdg + 0.3 m/s)
fpm (feet per minute)
40 – 5900 fpm
1 fpm
± (1.5% rdg + 59 fpm)
Air Flow (Volume)
Range
Resolution
Area Range
CMM (cubic meters/min)
0-99999 m
3
/min
0.1 up to 9999.9
then 1.0
0 to 99999cm
2
CFM (cubic ft/min)
0-99999 ft
3
/min
0.1 up to 9999.9
then 1.0
0 to 99999in
2
Air Temperature
Range
Resolution
Accuracy
o
C/F
-4 to 140
o
F
(-20 to 60
o
C)
0.1
o
F/C
± 1.1°F (-5 to 122°F)
± 2.2°F (123 to 140°F)
±0.6°C (-20 to 50°C)
±1.2°C (51 to 60°C)
Circuit Custom LSI microprocessor
Display Dual function 13 mm (0.5") 4-digit LCD
Sampling rate 1 reading per second approx.
Sensors Air velocity/flow sensor Conventional angled vane arms with low-friction ball bearing
Temperature sensor NTC-type precision thermistor
Automatic Power off Auto shut off after 20 minutes to preserve battery life (sleep mode)
Operating Temperature 32°F to 122°F (0°C to 50°C)
Storage Temperature 14 to 122
o
F (-10 to 50
o
C)
Operating Humidity <80% RH
Storage Humidity <90% RH
Operating Altitude 7000’ (2000m) maximum
Battery Power Four (4) ‘AAA’ 1.5V batteries
Battery Life > 40 hours
Battery consumption 8.3 mA DC (approx.)
Weight 1.6 lbs. (725g) including battery and probe
Dimensions Main instrument: 10.6 x 4.2 x 2” (269 x 106 x 51mm)
Optional Air Flow adaptors:
Round cone: 8.3” (210mm) Diameter
Square: 13.6 x 13.6” (346 x 346mm)