8
3 Product description
WIKA Operating Instructions - Differential pressure transmitter DPT-10
1
9
10
2
3
4
5
6
7
8
Fig. 2: Layout of the type label (example)
1 Instrument type
2 Place for approvals
3 Measuring range
4 Signal output/Operating voltage
5 Process pressure - Process temperature
6 Seal material
7 Product code
8 Order number
9 Serial number of the instrument
10 ID numbers, instrument documentation
3.2 Principle of operation
DPT10 is a differential pressure transmitter for measurement of flow,
level, differential pressure, density and interface. Measured products
are gases, vapours and liquids.
Flow measurement
Q
Q
p
1
p
1
p
2
p
2
Q ~ ∆p
Q ~ ∆p
+
+
–
–
1
2
Fig. 3: Flow measurement with DPT10 and DP flow element, Q = flow, Δp = dif-
ferential pressure, Δp = p
1
- p
2
1 Orifice
2 Pitot tube
Application area
