Screw in resistance temperature probe for Ex areas, M12 connection

GTF112-EX

Resistance temperature probe for Ex areas with Pt100 or Pt1000 4-wire elements, M12 connection, G 1/2"A thread, compact 100 mm x 6 mm standard probe tube and measuring ranges up to -200 °C ... +600 °C.
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Introduction

In hazardous industrial areas, a threaded process connection and a compact probe design can simplify installation, especially where access is limited. This resistance temperature probe is designed for temperature measurement in explosive atmospheres and combines an M12 connection with a threaded insertion design.
 
Pt100 and Pt1000 versions use sheathed resistance thermometer elements in 4-wire design. Depending on configuration, Pt100/Pt1000 versions cover -50 ... +100 °C without neck tube. With neck tube, Pt100 versions cover -200 °C ... +600 °C and Pt1000 versions cover -70 °C ... +600 °C, while the Ex temperature class can restrict the usable range.
 
The standard GTF 112-Ex design includes a G 1/2"A thread, 100 mm probe length and 6 mm probe tube diameter, with a stainless steel probe tube. Versions with neck tube are listed with HL = 50 mm and HD = 8 mm. Configurable probe tube diameters from 3 to 8 mm and multiple thread types and sizes support different installation requirements.

Ex-zone fit
Ex-zone fit
Versions are listed for Zone 0, 1, 2, 20, 21 and 22, depending on type.
Threaded mounting
Threaded mounting
Standard design includes a G 1/2"A threaded process connection.
M12 connection
M12 connection
The probe uses an M12 connection for detachable cable integration.
Wide temperature use
Wide temperature use
Pt100 with neck tube covers -200 °C ... +600 °C.
Compact standard size
Compact standard size
Standard probe uses 100 mm length and 6 mm tube diameter.

Features

Resistance elements

The probe is available with sheathed Pt100 or Pt1000 resistance thermometer elements in class B.

4-wire design

Pt100 and Pt1000 versions use a 4-wire electrical connection for the measuring circuit.

Standard construction

The standard GTF 112-Ex version has a G 1/2"A thread, 100 mm probe length, 6 mm probe tube diameter and wall thickness of at least 1.0 mm.

Neck tube version

Versions with neck tube are listed with a 50 mm neck length and 8 mm neck tube diameter.

Probe materials

The probe tube and thread are stainless steel, with listed material options including 1.4404, 1.4435 and 1.4571.

Configurable dimensions

Possible probe tube diameters are 3, 4, 5, 6 and 8 mm, depending on configuration.

Thread options

Possible external thread types include G, R, NPT and M with several listed thread sizes.

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