Specifications - WIKA TR25 Manual De Instrucciones

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12. Specifications

12. Specifications
Specifications
Temperature range
Class A
Class B
Sensor
Measuring element
(measuring current: 0.1 ... 1.0 mA)
Connection method
Class accuracy of the sensor
in accordance with IEC 60751
Materials
Wetted parts
Neck tube
Pipe body
Sealing (option)
Surfaces
Standard
Option
Standard neck length
Standard neck tube diameter
Process connections
Permissible ambient temperature
Without transmitter
With transmitter
Pressure equipment directive
For instruments with nominal widths of ≤ DN 25 (1"), an EU conformity assessment in
accordance with the pressure equipment directive (PED) is not permitted.
Instruments with nominal widths of ≤ DN 25 (1"), and thus without CE marking, should
be designed and manufactured in line with the applicable sound engineering practice
(PED article 4, chapter 3).
For instruments > DN 25 (1") and for the associated marking on the measuring
instrument or thermowell, WIKA confirms conformity with the pressure equipment
directive in accordance with the conformity assessment procedure, module H.
For further specifications see WIKA data sheet TE 60.25 and the order documentation.
WIKA operating instructions model TR25 (Ex i)
Model TR25
-30 ... +150 °C (-22 ... +302 °F)
-50 ... +150 °C (-58 ... +302 °F)
Pt100 (thin-film)
1 x 3-wire
1 x 4-wire
Class A
Class B
Stainless steel 1.4435, 316L
Stainless steel
Stainless steel 1.4435, 316L
NBR, PTFE or EPDM
In addition, the wetted surfaces can be electropolished.
R
≤ 0.76 µm
a
R
≤ 0.38 µm
a
50 mm
12 mm
Connection for pipes per DIN 11866 row A, B, C
Clamp per DIN 32676
Threaded connection per DIN 11851
Threaded connection per DIN 11864-1 form A
Threaded connection NEUMO BioConnect
-40 ... +80 °C
see operating instructions of the transmitter in question
EN
®
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