Safety / 3. specifications, Specifications – WIKA TR31 Benutzerhandbuch
Seite 10
GB
14096788.01 07/2014 GB/D
10
WIKA operating instructions models TR31-3, TR31-K
Explanation of symbols
Before mounting and commissioning the instrument,
ensure you read the operating instructions!
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant
European directives.
3. Specifications
Thermometer with transmitter and output signal 4 ... 20 mA
(model TR31-x-x-TT)
Temperature range
without neck tube -50 ... +150 °C
(-58 ... +302 °F), with neck tube
-50 ... +250 °C (-58 ... +482 °F)
1) 2)
Measuring element
Pt1000
Connection method
2-wire
Tolerance value of the measuring
element
Class A
3)
(per IEC 60751)
Measuring deviation of the
transmitter
±0.25 K
(per IEC 60770)
Total measuring deviation in
accordance with IEC 60770
Measuring deviation of the measuring
element + the transmitter
Measuring span
minimum 20 K, maximum 300 K
Basic configuration
Measuring range 0 ... 150 °C
(-32 ... +302 °F), other measuring
ranges are adjustable
Analogue output
4 ... 20 mA, 2-wire
Linearisation
Linear to temperature per IEC 60751
Linearisation error
±0.1 %
4)
Switch-on delay, electrical (time
before the first measured value)
max. 4 s
Warming-up period
After approx. 4 minutes, the instrument
will function to the specifications
(accuracy) given in the data sheet.
2. Safety / 3. Specifications