TestAir KPDM-1, User Manual

Page: 5 / 17

KPDM-1
- 5 -
2 DESCRIBTION AND OPERATION
2.1 Specification
Range of measurement of pressure differential, mm w.g.
-400
÷
+400
Range of speed determination of air and gas flows, m/s
0.4
÷
70.0
Range of temperature measurement (according to certificate), º
С
Actual range of temperature measurement, º
С
0
÷
+300
-50
÷
+600
Limit of permissible absolute basic measurement error of pressure
differential, mm w.g. ± (0.1+0.05
р
)
Limit of permissible absolute basic error of speed determination of
air and gas flows, m/s ± (0,1 + 0.05v)
Limit of permissible absolute basic error of temperature measure-
ment, º
С
± (1 + 0.02t)
Limit of permissible additional error due to the temperature devia-
tion of the device body frame from the normal one for every 10 º
С
0.5
δ
The device power supply is performed from a dry element with
voltage, I 9
Consumption current, mA 12
Overall dimensions:
−
primary converter, mm
−
sensor, mm
−
display and control unit, mm
33
х
100
6
х
500
125
х
68
х
23
Volume of internal memory, measurements (approximately)
300
Automatic power off in 15 minutes after the last pushing of any but-
ton (AutoOff function) Present
Software Present