Transmitter Electronics For Non-Hazardous Areas; Transmitter Electronics For Hazardous Areas - WIKA PGT23.1 0 Serie, PGT26.1 08 Serie Betriebsanleitung

9. Specifications

9.2 Transmitter electronics for non-hazardous areas

Model 891.44
Output signal
Supply voltage U
B
Influence of supply voltage
Permissible residual ripple of U
Permissible max. load R
Effect of load (variant 1 + 3)
Impedance at voltage output
Long-term stability of electronics
Electr. output signal
Linear error
Resolution
Refresh rate (measuring rate)

9.3 Transmitter electronics for hazardous areas

Model 892.44
Output signal
Supply voltage U
B
Influence of supply voltage
Permissible residual ripple of U
Permissible max. load R
Effect of load
Impedance at voltage output
Long-term stability of electronics
Electr. output signal
Linear error
Resolution
Refresh rate (measuring rate)
Safety-related maximum values
Ui Ii
DC 30 V 100 mA
For further information see Annex "EU declaration of conformity"
Pressure gauges with output signal, optionally for hazardous areas
Variant 1: 4 ... 20 mA, 2-wire, passive, per NAMUR NE 43
Variant 3: 0 ... 20 mA, 3-wire
Variant 4: 0 ... 10 V, 3-wire
Variant 1+3: DC 12 ... 30 V
Variant 4: DC 15 ... 30 V
≤ 0.1 % of full scale/10 V
≤ 10 % ss
B
Variant 1, 3: R
A
Volt, however max. 600 Ω
Variant 4: R
≤ 0.1 % of full scale
0.5 Ω
< 0.3 % of full scale per year
≤ 1 % of measuring span
≤ 1 % of measuring span (terminal method)
0.13 % of full scale (10 bit resolution at 360°)
600 ms
Variant 2: 4 ... 20 mA, 2-wire, for hazardous areas
DC 14 ... 30 V
≤ 0.1 % of full scale/10 V
≤ 10 % ss
B
R ≤ (U
A A B
600 Ω
≤ 0.1 % of full scale
0.5 Ω
< 0.3 % of full scale per year
≤ 1 % of measuring span
≤ 1 % of measuring span (terminal method)
0.13 % of full scale (10 bit resolution at 360°)
600 ms
Pi
720 mW
≤ (U - 12 V)/0.02 A with R
A B
= 100 kΩ
A
- 12 V)/0.02 A with R in Ω and U
A
Ci
11 nF
in Ohm and U in
A B
in V, however max.
B
Li
negligible
27
EN