Circuit Custom LSI microprocessor circuit
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
Operating Temperature 0°C to 50°C (32°F to 122°F)
Storage Temperature -10 to 60
o
C (14 to 140
o
F)
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 the Backlight is used continuously, battery life
will be reduced significantly)
Power Consumption 8.3 mA DC approx.
Weight 725g (1.6 lbs) including battery & probe
Dimensions Main instrument: 178 x 74 x 33mm (7.0 x 2.9 x1.2")
Sensor Head: 70mm (2.75”) Inside Diameter
Sensor Head: 76.2mm (3.0”) Outside Diameter