Extech Instruments AN320, Руководство пользователя

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AN320-en-GB_V1.2 11/14 11
Specifications
Air Velocity Ranges Resolution Accuracy
m/s (meters per sec) 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)
Relative Humidity Range Resolution Accuracy
RH 0.1% ‐ 99.9%RH 0.1 RH ± 3%RH (10 ‐ 90%RH)
± 5%RH (<10% or >90%)
Air Flow Ranges 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
Temperature Ranges Resolution Accuracy
o
F/
o
C
Air and Wet Bulb:
‐ 20 to 60
o
C ( ‐ 4 to 140
o
F)
Dew Point:
‐ 5 to 60
o
C (23 to 140
o
F)
0.1
o
C(
o
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)
CO
2
Range Resolution Accuracy
PPM (parts per million)
0 – 9999 ppm
(readings over 5000 are
not specified)
1 ppm
± (30ppm + 5% of rdg)
from 0 to 5000ppm