Specifications - WIKA TR34 Betriebsanleitung

3. Specifications

3. Specifications
Thermometer with transmitter and 4 ... 20 mA output signal
(model TR34-x-TT)
Temperature range
Measuring element
Connection method
Tolerance value of the
measuring element
Measuring deviation of
the transmitter
Total measuring devia-
tion in accordance with
IEC 60770
Measuring span
Basic configuration
Analogue output
Linearisation
Linearisation error
Switch-on delay, electrical Max. 4 s (time before the first measured value)
Warming-up period
Current signals for error
signalling
Sensor short-circuit
Sensor current
Load R
A
Effect of load
Power supply U
B
WIKA operating instructions model TR34 (Ex i)
Without neck tube -30 ... +150 °C (-22 ... +302 °F)
With neck tube -30 ... +250 °C (-22 ... +482 °F)
Pt1000
2-wire
Class A
(per IEC 60751)
±0.25 K
(per IEC 60770)
Measuring deviation of the measuring element +
the transmitter
Minimum 20 K, maximum 300 K
Measuring range 0 ... 150 °C (32 ... 302 °F),
other measuring ranges are adjustable
4 ... 20 mA, 2-wire
Linear to temperature per IEC 60751
±0.1 %
2)
After approx. 4 minutes, the instrument will
function to the specifications (accuracy) given in
the data sheet.
Configurable in accordance with NAMUR NE43
downscale ≤ 3.6 mA
upscale ≥ 21.0 mA
Not configurable, in accordance with
NAMUR NE43 downscale ≤ 3.6 mA
< 0.3 mA (self-heating can be ignored.)
R ≤ (U - 10 V) / 23 mA with R
A B
±0.05 % / 100 Ω
DC 10 ... 30 V
1)
in Ω and U in V
A B
13
EN