WIKA TR21-A Mode D'emploi page 11

3. Specifications
Thermowell
Thermowell model TW22 (models TR21-A, TR21-C)
Surface roughness
Materials
Connection to thermometer
Thermowell diameter
Thermowell model TW61 (model TR21-B)
Designs
Surface roughness
Materials
Connection to thermometer
CE conformity, approvals, patents/property rights
CE conformity
EMC directive
10)
Approvals
CSA
3-A
EHEDG (models TR21-A, TR21-C)
Patents/property rights
M12 x 1 adapter to DIN EN 175301-803
angular connector
10) Only for built-in transmitter
For further specifications see WIKA data sheets TE 60.26, TE 60.27 and TE 60.28 as well
as order documentation.
WIKA operating instructions model TR21
Standard: R ≤ 0.76 µm (SF3 per ASME BPE)
a
Optional: R ≤ 0.38 µm (SF4 per ASME BPE)
a
R ≤ 0.38 µm electropolished (SF4 per ASME BPE)
a
Wetted parts: stainless steel 1.4435 (316L, UNS S31603)
Model TR21-A: G 3/8"
Model TR21-C: welded
6 mm, optional: sensor tip reduced to 4.5 mm (from U
Flow-through housing
■
Angular housing
■
In accordance with DIN 11866 series A, B:
Standard: R < 0.8 μm
a
Option: R < 0.4 μm electropolished
a
In accordance with DIN 11866 series C, ASME-BPE:
Standard: R < 0.76 μm
a
Option: R < 0.38 μm electropolished
a
others on request
Per DIN 11866 series A, B: stainless steel 1.4435
Per DIN 11866 series C, ASME-BPE: stainless steel 316L
G 3/8"
2004/108/EC, EN 61326 emission (group 1, class B) and
interference immunity (industrial application)
Safety (e.g. electr. safety, overpressure, ...), Canada, USA
Sanitary Standard, USA
Hygienic Equipment Design, European Community
Property right registered under No. 001370985
EN
> 25 mm)
1
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