WIKA TR31 - Handbuch (Seite 12)

GB
14096788.01 07/2014 GB/D
12 WIKA operating instructions models TR31-3, TR31-K
Thermometer with direct sensor output with Pt100
(model TR31-x-x-Px) and Pt1000 (model TR31-x-x-Sx)
Temperature range without neck tube -50 ... +150 °C
(-58 ... +302 °F), with neck tube
-50 ... +250 °C (-58 ... +482 °F) 7)
Temperature at the connector or
at the directly connected cable
max. 85 °C (185 °F)
Measuring element ■ Pt100
(measuring current: 0.1 ... 1.0 mA)
■ Pt1000
(measuring current: 0.1 ... 0.3 mA)
Connection method ■ 2-wire
■ 3-wire
■ 4-wire
Tolerance value of the measuring
element per IEC 60751
■ Class A 8)
■ Class B at 2-wire
Electrical connection ■ M12 x 1, 4-pin circular connector
■ Directly connected cable
7) Version with mineral-insulated sheathed cable can be used up to 300 °C (572 °F).
8) Class accuracy A only valid in the temperature range -30 ... +150 °C (-22 ... +302 °F) or
-30 ...+250 °C (-22 ... +482 °F), otherwise class B
For detailed specifications for Pt sensors, see Technical information IN 00.17 at
www.wika.com.
Case
Material Stainless steel
Ingress protection
■ Case with connected connector 9)
or directly connected cable
■ Coupler connector, not connected
IP 67 and IP 69K per IEC 60529/
EN 60529
IP 67 per IEC 60529/EN 60529
Weight in kg ca. 0.2 ... 0.7
(depending on version)
Dimensions see “Dimensions in mm”
9) The stated ingress protection only applies when plugged in using mating connectors that have
the appropriate ingress protection.
3. Specifications