WIKA 732.15.160 - Manual (Page 11)

Specifications Models 891.44 and 892.44 (Ex Version)
Power supply U B
for Non-Ex version DC 12 V < U B ≤ 30 V
for Ex version see the section ‚Ex protection‘!
Permissible residual ripple % of span/10 V ≤ 0.1
Supply voltage effect % ss ≤ 10
Output signal 4 … 20 mA, 2-wire system
Permissible max. load R A for Non-Ex versions, Model 891.44:
R A ≤ (U B - 12 V) / 0.02 A with R A in Ω and U B in Volt
for Ex versions, Model 892.44:
R A ≤ (U B - 14 V) / 0.02 A with R A in Ω and U B in Volt
Effect of load % of span ≤ 0.1
Output signal adjustment
Zero point, electrical A djustment of zero point through brief bridging of terminals 5 and 6,
or using the „scale selection switch“ option, selectable via button 1)
Scale selection 4 scales selectable via BCD switch
Linearity % of span ≤ 1.0 (limit point calibration)
Permissible
ambient temperatures °C -40 … +80, -40 … +60 with oxygen
Compensated temp. range °C -40 … +80
Temperature coefficients in
compensated temp. range
Mean TK of zero % of span/10 K ≤ 0.3
Mean TK of span % of span/10 K ≤ 0.3
Ex protection according to EC-Type Examination Certificate
BSV 08 ATEX E 018 X for Model 892.44
Ex certification EEx II 2G EEx ia IIC T6
Conformity specifications
Power supply U i DC 14 … 30 V
Short circuit rating I i mA max. 100
Rating P i W max. 1
Internal capacitance C i nF 12
Internal inductance L i mH negligible
Medium temperature °C -40 … +80, -40 … +60 with oxygen
Ambient temperature °C -40 … +60 (T6)
CE-Conformity interference emission and immunity per EN 61326
Wiring L-connector (screw terminals up to 2.5 mm²)
Wiring protection protected against reverse polarity and overvoltage
Ingress protection IP 65 per EN 60529 / IEC 529
Wiring details,
2-wire
11265191.07 12/2012 GB/D/F/I
Earth, connected
to case 2)
U B +/Sig+
Terminals 3, 4, 5 and 6: only for internal
application
0V/Sig-
WIKA operating instructions differential pressure gauge models 712.15.160, 732.15.160 11
GB
8. Transmitter for level measurement
1) Only possible within 30 seconds of connecting the supply voltage
2) This connection must not be used
for equipotential bonding. The
instrument must be incorporated in
the equipotential bonding via the
process connection.