Specifications; Electrical Data - WIKA 890.09.2190 Manual De Instrucciones

3. Specifications

3. Specifications
General
Process connection
Materials
Pressure connections
„
Sealings
„
Media chamber
„
Sensor element
„
Differential pressure measuring
ranges
Max. working pressure (stat.)
Overpressure safe either side
max.
Measurement time constant
Accuracy (error band)
Linearity, hysteresis
Temperature coefficient
Zero offset
Permissible ambient temperature -10 °C ... 50 °C
Permissible medium temperature -10 °C ... 80 °C
Ingress protection

Electrical data

Nominal voltage
Permissible supply voltage
Electrical connection
Output signal
Max. load
Current supply
at output max.
„
at current limitation
„
Wiring protection
Electrical connection
3-wire numbered cable
„
Connection with snap-in M8
„
connector (3-pin)
WIKA operating instructions differential pressure transmitter model 890.09.2190
2 x 7/16 UNF male thread
Cu alloy - wetted
FPM/FKM - wetted
Zinc diecast - wetted
Ceramic Al O - wetted
2 3
0 ... 1 bar, 0 ... 2 bar, 0 ... 4 bar, 0 ... 6 bar or
0 ... 10 bar
21 bar
2.5 x end value of measuring range, max. 21 bar
Pressure spikes are to be reduced through
constructive measures (e.g. capillaries)
T = 10 ms (sensor + electronics)
mess
± 2 % of span (linearity, hysteresis, temperature
error 10 ... 70 °C)
± 1 % of span
0.2 % of span / 10 K
± 0.1 mA
IP 55 per EN 60529 / IEC 529
DC 24 V
DC 18 ... 30 V
3-wire
4 ... 20 mA
500 Ohm
approx. 32 mA normal (typical)
approx. 36 mA (at overpressure)
Short-circuit-proof, after eliminating the fault the
operability is recovered
0.34 mm², 0.8 m to 2.5 m long
replaceable at the instrument, outer cable end
with single wires for clamping
GB
7