3
Circuit
Custom LSI microprocessor circuit
Display
Dual function 0.5" (13 mm) 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 sensors: NTC-type precision
thermistor and InfraRed
IR Spectral response
6 to 14µm
IR Emissivity
0.95 fixed
IR distance ratio
8:1
IR sampling rate
2.5 readings per second approx.
Automatic Power off
Auto shut off after 20 minutes to preserve
battery life
Operating Temperature
32°F to 122°F (0°C to 50°C)
Storage Temperature
14 to 140
o
F (-10 to 60
o
C)
Operating Humidity
<80% RH
Storage Humidity
<80% RH
Operating Altitude
2000 meters (7000ft) maximum
Battery
One 9 volt (NEDA 1604) battery
Battery life
80 hours approx. (if Backlight and Laser
are used continuously the battery life is
reduced to 2 to 3 hours approx.)
Battery current
8.3 mA DC approx.
Weight
1.6 lbs. (725g) including battery & probe
Dimensions
Main instrument: 7.0 x 2.9 x1.2" (178 x
74 x 33mm)
Sensor Head: 2.75” (70mm) Diamete