Техническая Спецификация для Extech AN300 Anemometer AN300
Модели
AN300
AN300‐EU‐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
‐20 to 60
o
C
(‐4 to 140
o
F)
0.1
o
C/F
±0.6°C (‐20 to 50°C)
±1.2°C (51 to 60°C)
± 1.1°F (‐5 to 122°F)
± 2.2°F (123 to 140°F)
Circuit
Custom LSI microprocessor
Display
Dual function 13 mm (0.5") 4‐digit LCD
Sampling rate
1 reading per second approx.
Air velocity/flow sensor Conventional angled vane arms with low‐friction ball bearing
Temperature sensor
Temperature sensor
NTC‐type precision thermistor
Automatic Power off
Auto shut off after 20 minutes to preserve battery life (sleep mode)
Operating Temperature 0°C to 50°C (32°F to 122°F)
Storage Temperature
Storage Temperature
‐10 to 50
o
C (14 to 122
o
F)
Operating Humidity
<80% RH
Storage Humidity
<90% RH
Operating Altitude
2000 meters (7000ft) maximum
Battery Power
Four (4) ‘AAA’ 1.5V batteries
Battery Life
> 40 hours
Battery consumption
8.3 mA DC (approx.)
Weight
725g (1.6 lbs.) including battery and probe
Dimensions
Main instrument: 269 x 106 x 51mm (10.6 x 4.2 x 2”)
Optional Air Flow Adaptors:
Round cone: 210mm (8.3”) Diameter
Square: 346 x 346mm (13.6 x 13.6”)