Specifications - WIKA TR21-A Manual De Instrucciones

2. Safety
Thermowell marking
(Example: model TW61 thermowell for model TR21-B resistance thermometer)
Outer diameter x wall thickness (in mm)
EN
Tubular body
material
Material code
(complete assembly)
Explanation of symbols
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant European directives.
CSA, Canadian Standard Association
The instrument was inspected and certified by CSA International. Instruments
bearing this mark comply with the applicable Canadian and U.S. standards on
safety.

3. Specifications

Thermometer with transmitter and output signal 4 ... 20 mA (models TR21-x-ZTT
and TR21-x-ZTB)
Temperature range
Measuring element
Connection method
Tolerance value of the measuring
element per IEC 60751
Measuring span
Measuring deviation of the
transmitter
8
Identification of the qualified
inspector (for stamping)
Before mounting and commissioning the instrument, ensure you read
the operating instructions!
-50 ... +150 °C (-58 ... +302 °F), -50 ... +250 °C (-58 ... +482 °F)
Pt1000
■
Face-sensitive Pt1000
■
2-wire
Class A
3)
Minimum 20 K, maximum 300 K
±0.25 K (per IEC 60770)
max. nominal pressure
Hygiene class
®
2)
WIKA operating instructions model TR21
Pipe standard
CE mark
1)