RMG TERZ 94, Руководство по эксплуатации

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Specifications
46
Operating Instructions for the TERZ 94 Electronic Turbine Meter
Temperature input (hardware and software options)
For Ex connected loads, see approval certificate.
Terminals: X9,2
(+)
X9,1 (-)
Sensor type:
PT 1000
Measuring range:
-20°C to 60°C
Resolution: ± 0.2°C
Current-loop connection (TERZ 94-S only!)
Terminals: X22.1 (+)
X22,2 (-)
U
ext
(min): 12 V
U
ext
(max): 28 V
I
min
: 3.5 mA
I
max
: 23 mA
External load (max.):
R
Lmax
= (U
ext
- 10 V) / I
max
(in
Ω
)
e.g. U
ext
= 16 V
⇒
R
Lmax
= (16 V - 10 V) / 23 mA = 260
Ω
Current output with
- minimum flow rate:
4 mA
- maximum flow rate: 20 mA
- Warning: 3.5 mA
- Alarm: 23 mA
Accuracy, current output: Better than 1% of the final value
Data for the use in hazardous areas:
U
i
= 28 V
I
i
= 110 mA
P
i
= 770 mW
C
i
= 2,2 nF
L
i
= 110 µF
Materials used for the meter case