RMG TERZ 94, Руководство по эксплуатации

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Specifications
Operating Instructions for the TERZ 94 Electronic Turbine Meter
41
Specifications
Measuring range
Under atmospheric pressure: 1:16
If the pressure increases, the measuring range of the meter extends.
Measuring ranges of up to 1:50 can be reached.
Measuring error
For Q
min
to 0.2 · Q
max
:
≤
±2%
For 0.2 · Q
max
to Q
max
:
≤
±1%
(DN 25:
≤
±2% for Q
min
to Q
max
)
Reproducibility:
≤
±0.5%
Temperature ranges
Fluid temperature range: -10°C to +50°C
Ambient temperature range:
TERZ 94
II2 G EEx ib IIC T4 -20°C to +40°C
II2 G EEx ib IIC T3 -20°C to +60°C
TERZ 94-S II2 G EEx ib IIC T4 -20°C to +60°C
In the case of special designs, even higher or lower fluid temperatures are
possible in non-Ex versions.
Inputs and outputs
Sensor input S1 (Measuring input)
(For Ex connected loads, see approval certificate)
Terminals: X5,1 (+)
X5,2 (-)
Sensor type:
Wiegand sensor, direct
Line length < 50 cm
Jumpers X_S1 / 3-5 and 4-6
Wiegand sensor, remote totalizer Line length < 30 m