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MIW-DPD-X-EN-001 - 09 / 04 / 2020
11 - 13
Measurement readout enabled
Value of holding register 61 / 81:
Display mode:
1
Differential pressure
2
Volume flow rate
3
Air velocity
Фи
1.
Differential pressure display mode
(see
Fig. 9
):
1.1
The LED display shows the differential pressure with a resolution of 1 Pa. An
example of displaying 1.000 Pa is given in
Fig. 9
below.
Fig. 9 Differential pressure display
2.
Air volume flow display mode:
2.1
Air volume flow rate within the range 0—9999 m
3
/h is displayed with a
resolution of 1 m
3
/h. An example of displaying 100 m
3
/h is given in
Fig. 10
a
below.
2.2
Air volume flow rate above 10.000 m
3
/h is displayed divided by 1.000. An
example of displaying 10.000 m
3
/h is given in
Fig. 10 b
below.
Fig. 10 Air volume flow and air velocity mode indications
10 a Air volume flow mode (0—9999 m
3
/h)
10 b Air volume flow mode (10.000 m
3
/h)
3.
Air velocity display mode:
3.1
Air velocity is displayed with a resolution of 0,1 m/s. An example of displaying 1,0
m/s is given in
Fig. 11
below.
Fig. 11 Air velocity mode
NOTE
Correct reading of air velocity is possible only if it is enabled by holding register
64 (for sensor 1) and 84 (for sensor 2) and the transmitter is connected to the
appropriate Pitot tube connection set (PSET-PTX-200).
DUAL DIFFERENTIAL PRESSURE
TRANSMITTER WITH DISPLAY
DPD
