Measuring Accuracy; Monitoring Of Measuring Circuit; Environmental Conditions - Siemens RWF40.000A97 User Manual

11.3.1 Measuring accuracy

11.3.2 Monitoring of measuring circuit

11.3.3 Environmental conditions

HVAC Products
Resolution: > 15 bit
Measuring accuracy
Resistance thermometer:
£ 0.05 %
Thermocouples:
£ 0.25 %
Standard signals:
£ 0.1 %
Values include linearization tolerances.
Transducer
Resistance thermometer
Thermocouples
DC 0...10 V
DC 0...20 mA
DC 4...20 mA
- = is not detected
X = is detected, and «–1999» appears on the display
ð
Chapter 10 «What to do if...»
Permissible ambient temperature range:
-20...+50 °C (short-time up to 60 °C)
Permissible storage temperature range:
-40...+70 °C
Climatic conditions:
Relative humidity £ 95 % (noncondensing)
Degree of protection to EN 60529:
Front IP 65
Rear IP 20
Electromagnetic compatibility (EMC):
To NAMUR recommendation NE 21, EN 50 081 part 1, EN 50 082 part 2
CC1B7865en
11. Technical data
Ambient temperature error
£ 50 ppm / K
£ 100 ppm / K
£ 100 ppm / K
Probe break Short-circuit
X X
X -
- -
- -
X X
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