WIKA TR21 Mode D'emploi page 28

13. Specifications
Ambient conditions
Ambient temperature range
Models TR21-x-xTT, TR21-x-xTB
■
EN Models TR21-x-xPx, TR21-x-xRx
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Storage temperature range
Climate class per IEC 60654-1
Models TR21-x-xTT, TR21-x-xTB
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Models TR21-x-xPx, TR21-x-xRx
■
Maximum permissible humidity per
IEC 60068-2-30 var. 2
Maximum permissible autoclaving
conditions
Shock resistance per IEC 60068-2-27
Salt fog
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
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-40 ... +85 °C (-40 ... +185 °F)
-50 ... +85 °C (-58 ... +185 °F)
-40 ... +85 °C (-40 ... +185 °F)
Cx (-40 ... +85 °C or -40 ... +185 °F, 5 ... 95 % r. h.)
Cx (-50 ... +85 °C or -58 ... +185 °F, 5 ... 95 % r. h.)
100 % r. h., condensation allowed
max. 134 °C, 3 bar abs., 100 % r. h., duration 20 min.,
max. 50 cycles
50 g, 6 ms, 3 axes, 3 directions, three times per
direction
IEC 60068-2-11
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
■
per DIN 11866 row A, B:
Standard: R < 0.8 μm
a
Option: R < 0.4 μm electropolished
a
per DIN 11866 row C, ASME-BPE:
Standard: R < 0.76 μm
a
Option: R < 0.38 μm electropolished
a
others on request
per DIN 11866 row A, B: stainless steel 1.4435
per DIN 11866 row C, ASME-BPE: stainless steel 316L
G 3/8"
WIKA operating instructions model TR21
> 25 mm)
1