Technical Data - WIKA Delta-trans Mode D'emploi

8. Technical data

8. Technical data
Technical data
Differential measuring range
Working pressure (stat.) max.
Overload value either side max. bar
Pressure connections
Pressure media chamber
Press. element comp. spring
Press. element separ. diaphr.
Links
Sealing rings
Press. equalising valve
(optional)
4-way valve manifold
(optional)
Power supply U
B
Permissible residual ripple
Supply voltage effect
Output signal and permissible
max. load R
A
Effect of load
Response time
Output signal adjustment
Zero point, electrical

Span, electrical

Linearity
(including hysteresis)
Permissible
Medium temperature

Ambient temperature

Compensated temp. range
Temperature coefficient in
compensated temp. range
Average T on zero point

K
Average T on span

K
LCD-display (optional)
Voltage load

Display

Ambient temperature

Storage temperature

Wiring
Wiring protection
EMC (electro-magnetic
compatibility)
Ingress protection
Weight
WIKA Operating Instructions Differential Pressure Transmitter DELTA-trans
DELTA-trans, Model 891.34.2189
bar 0 ... 0.16 to 0 ... 25
bar 25
25
exposed 2 x G ¼ female, bottom, in-line, centre distance 26 mm (optional: other
to medium pressure connections male or female or compression fitting with ferrule for
pipe Ø 6, 8 or 10 mm respectively)
GD-AlSi 12 (Cu) 3.2982, black painted (optional GD-AlSi 12 (Cu) HARD-COAT
surface protection or stainless steel)
stainless steel 1.4310 or FD SiCr EN 10 270-2
FPM/FKM fabric back stay (optional NBR)
stainless steel 1.4305, FPM/FKM (optional NBR)
FPM/FKM (optional NBR)
stainless steel and FPM/FKM
Cu-alloy or stainless steel, 1x Press. equalising valve, 2 x gauge valve,
1 x valve for purging or air bleeding
10 < U ≤ 30 (optional LCD-display 14 < U
DC V
B
≤ 0.1 % of span/10 V
% ss ≤ 10
4 ... 20 mA, 2-wire system R
0 ... 20 mA, 3-wire system R
≤ 0.1
% of span
s approx. 1 (optional approx. 50 ms)
% of span ± 15
% of span ± 30
% of span 2.5 (limit point calibration)
optional 1.6 (limit point calibration)
°C +80 maximum
°C -10 ... +60 (optional LCD-display 0 ... 50)
°C -10 ... +60 (optional LCD-display 0 ... 50)
≤ 0.4 % of span/10 K
≤ 0.4 % of span/10 K
DC V 3.5
3 ½-digit, height 12.7
°C 0 ... 50
°C -10 ... +80
Terminal box (screw terminals up tu 2.5 mm²)
Protected against reverse polarity and overvoltage
Interference emission per EN 50 081 - 1 (March 93) and EN 50 081 - 2 (March 94),
Interference immunity per EN 50 082 - 2 (March 95)
IP 54 (optional IP 65) according EN 60 529 / IEC 529
kg approx. 1.3
≤ 30)
B
≤ (U
- 10 V) / 0.02 A with R
A B
≤ (U - 10 V) / 0.02 A with R
A B
GB
in Ohm and U in Volt
A B
in Ohm and U in Volt
A B
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