EN
14096788.08 02/2022 EN/DE/FR/ES
32
WIKA operating instructions models TR31-3, TR31-K
Process connection
Insertion length U
1
■
50 mm [1.97 in]
■
75 mm [2.95 in]
1)
■
100 mm [3.94 in]
1)
■
120 mm [4.72 in]
1)
■
150 mm [5.91 in]
1)
■
200 mm [7.87 in]
1)
■
250 mm [9.84 in]
1)
■
300 mm [11.81 in]
1)
■
350 mm [13.78 in]
1)
■
400 mm [15.75 in]
1)
Other insertion lengths on request
Material (wetted)
Stainless steel 1.4571
1)
Not for protection tube diameter 3 mm [0.12 in]
If the resistance thermometer is to be operated in an additional
protection tube, a spring-loaded compression fitting must be used.
Output signal (4 ... 20 mA version)
Analogue output
4 ... 20 mA, 2-wire
Factory configuration
Measuring range
0 ... 150 °C [32 ... 302 °F]
Other measuring ranges are adjustable
Current values for error
signalling
Configurable in accordance with NAMUR NE 043
downscale ≤ 3.6 mA
upscale ≥ 21.0 mA
Current value for
sensor short-circuit
Not configurable in accordance with NAMUR NE 043
downscale ≤ 3.6 mA
Communication
Info data
TAG no., description and user message can be
stored in transmitter
Configuration and
calibration data
Permanently stored
Configuration software
WIKAsoft-TT
→ Configuration software (multilingual) as a
download from www.wika.com
12. Specifications