EN
WIKA operating instructions differential pressure gauge, model DPGT40
9
14093267.05 09/2020 EN/DE
3. Specifications
3. Specifications
Mechanical data
DELTA-trans model DPGT40
Nominal size
Differential pressure indication: Ø 100 mm
Working pressure indication: Ø 22 mm
Accuracy
Differential pressure indication: ≤ 2.5 % of span
(option ≤ 1.6 %)
Working pressure indication: ≤ 4 % of span
Scale ranges (EN 837)
Differential pressure: 0 ... 0.16 to 0 ... 10 bar
Working pressure: 0 ... 25 bar
Max. working pressure (stat.)
25 bar
Overload safety
Max. 25 bar
On one, both and alternatingly on the ⊕ and ⊖ side
Permissible temperature
Ambient: -10 ... +70 °C (Ex version: -10 ... +60 °C)
Medium: -10 ... +90 °C
Storage: -40 ... +70 °C
Ingress protection
IP65 per EN /IEC 60529
Media chamber (wetted)
Aluminium, EN AC–Al Si9Cu3(Fe), black lacquered
(option: Stainless steel 1.4571)
Process connections (wetted)
2 x G 1/4 female, lower mount, in-line, centre
distance 26 mm
Pressure elements (wetted)
Differential pressure: Compression springs from
stainless steel 1.4310 and separating diaphragm
from FPM/FKM (option: NBR)
Working pressure: Bourdon tube from Cu-alloy
Transmission parts (wetted)
Stainless steel 1.4301, 1.4305, 1.4310, FPM/FKM
(option: NBR)
Sealings (wetted)
FPM/FKM (option: NBR)
Movement
Copper alloy
Dial
Differential and working pressure indication: White
dial, black lettering
Pointer
Differential and working pressure indication: Blue
pointer
Zero point setting for differential
pressure indication
Via screw in the dial
Case
Aluminium, EN AC–Al Si9Cu3(Fe), black lacquered
Window
Plastic, with plug screw for zero adjustment
Weight
approx. 1.3 kg
