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Resistance thermometers
Quality
All temperature sensors has to comply with the strict quality requirements of final testing.
Their working life highly depends on the usage conditions. Hydrofluoric acid, sodium
hydroxide and hot phosphoric acid will attack glass.
Note on the use in potentially explosive locations
ATEX identification: ATEX II 1/2G Ga/Gb Ex ia IIC T3/T4/T6
Approval according to EG type-examination certificate: PTB 08ATEX2021
Safety information
Please note the information contained in the document titled "Safety Information for the Set-
up and Operation of Electrochemical Sensors in Potentially Explosive Areas 94/9/EC (ATEX
100a)
Other approvals and certificates
TÜV certificate. Pressure resistance 12 bar by safety factor 3
Technical data
Temperature range:
Length:
Shaft diameter:
Connection:
Sensor:
SMEK plug configuration
(view on top of electrode head)
1 and 5: internal bridge circuit
2 and 4: internal bridge circuit
4 and 5: Pt 100/Pt 1000
3: secondary platinum electrode only for the W 2161 HD
6: not used
Additional information
For further information, please refer to the process electrode catalogue from SI Analytics.
Subject to technical amendment.
24
-30 ... + 135° C
120 mm
12 mm
screw plug head with PG 13.5
Pt 100 for the W 2081 HD, W 2021 HD
Pt 1000 for the W 2161 HD
Version: BA_WidThermATEX_us_090608.doc
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