Measuring Range; Process Connection - WIKA TR31-3 Betriebsanleitung

12. Specifications

Measuring range

Temperature range
Version 4 ... 20 mA
(model TR31-x-x-TT)
Version Pt100
(model TR31-x-x-Px) /
Pt1000 (model TR31-x-x-Sx)
Unit (4 ... 20 mA version)
Temperature at the connec-
tor (Pt100, Pt1000 version)
Measuring span
(4 ... 20 mA version)
1) The temperature transmitter should therefore be protected from temperatures over 85 °C [185 °F].
2) Version with mineral-insulated sheathed cable can be used up to 300 °C [572 °F].

Process connection

Type of process connection
Protection tube
Protection tube diameter
WIKA operating instructions models TR31-3, TR31-K
Without neck tube -30 ... +150 °C [-22 ... +302 °F]
With neck tube -30 ... +250 °C [-22 ... +482 °F]
Version with FKM O-ring: -20 ... +125 °C
[-4 ... +257 °F]
Class A Without neck tube -30 ... +150 °C
[-22 ... +302 °F]
With neck tube -30 ... +250 °C
[-22 ... +482 °F]
Version with FKM O-ring: -20 ... +125 °C
[-4 ... +257 °F]
Class B Without neck tube -50 ... +150 °C
[-58 ... +302 °F]
With neck tube -50 ... +250 °C
[-58 ... +482 °F]
Configurable °C, °F, K
Max. 85 °C [185 °F]
Minimum 20 K, maximum 300 K
G ¼ B
■
G ⅜ B
■
G ½ B
■
¼ NPT
■
½ NPT
■
M12 x 1.5
■
M20 x 1.5
■
7/16-20 UNF-2A
■
3 mm [0.12 in]
■
6 mm [0.24 in]
■
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EN
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