|
. |
|
|
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
. . . . |
Auto
shut off after 20 minutes to preserve battery life |
|
Operating
Temp . . . . . |
32°F
to 122°F (0°C to 50°C) |
|
Storage
Temp . . . . . . |
14
to 140oF (-10 to 60oC) |
|
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) Diameter |
|
. |
|
|
Units
of Measure |
Range |
Resolution |
Accuracy |
|
ft/min
(feet/min) |
80 -
5900 ft/min |
1
ft/min |
± (3%
+ 40 ft/min) |
|
m/s
(meters/sec) |
0.40
- 30.00 m/s |
0.01
m/s |
± (3%
+ 0.20 m/sec) |
|
km/h
(kilometers/hour) |
1.4 -
108.0 km/h |
0.1
km/h |
± (3%
+ 0.8 km/hr) |
|
mph
(miles/hour) |
0.9 -
67.0 mph |
0.1
mph |
± (3%
+ 0.4 mph) |
|
knots |
0.8
to 58.0 knots |
0.1
knots |
± (3%
+ 0.4 knots) |
|
Temperature |
14°F
to 140°F (-10°C to 60°C) |
0.1°F/°C |
±4.0°F
(±2.0°C) |
|
Infrared
temperature |
-58
to -4°F (-50 to -20°C) |
0.1°F/°C |
±9.0oF
(5.0°C) |
|
|
-4
to 500°F (-20 to 260°C) |
1°F/°C |
±2%
reading or ±4°F (2°C) |
|
|
|
|
whichever
is greater |
