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INSTRUCTION MANUAL 

NI-492WE 

Rev.4  05/18 

 

 

 

 

WIKA Alexander Wiegand SE & Co. KG 

Alexander-Wiegand-Straße 30 
63911 Klingenberg • Germany 
Tel. +49 9372 132-0 
Fax +49 9372 132-406 
[email protected] 
www.wika.de

 

 

Fig. 13 – Mounting with cord cable 

Fig. 14 – Mounting in a junction box 

 

 

 

 

Fig. 15 - Thermowell: examples of installation 

 

 

 

Annex 1 – Model code 

 

MODEL CODE 

TX   

 

 

 

 

 

 

 

 

For further information 
see 

datasheet 

 

 

 

1.1  Ignition protection mode 

 

  S                     

 

 

 

Weatherproof 

 

 

 

  A                     

 

 

 

Ex d 

1.2  Enclosure code (material) 

 

 

 

  2               

 

 

 

Aluminium 

 

 

 

 

 

  4               

 

 

 

316 s.s. 

 

 

 

 

 

 

 

  B         

 

 

 

Direct Mounting 

1.3  Sensor code 

 

 

 

 

 

  C         

 

 

 

Remote mounting with 2m di capillary 

 

 

 

 

 

 

 

  Q         

 

 

 

Remote mounting with 5m di capillary 

 

 

 

 

 

 

 

  R         

 

 

 

Remote mounting with 10m di capillary 

 

 

 

 

 

 

 

  S         

 

 

 

Helical bulb 

 

 

 

 

 

 

 

 

    E   

 

 

 

Silver SPDT  

 

 

 

 

 

 

 

 

 

   

   

 

 

 

 

Electric Contacts

 

 

 

 

 

 

 

    L   

 

 

 

Silver DPDT 

  

 

 

 

 

 

 

    M   

 

 

 

Gold DPDT 

2

 

Options

 

Example: Intrinsic Safety execution

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

/20

18 

W

IK

A

 b

as

ed

 on

 05

/201

8

 C

E

LLA

 

Summary of Contents for TXS Series

Page 1: ...eights are not binding unless released on certified drawings CAUTION Before installing using or carrying out maintenance on the instrument it is necessary to read and understand the indications given...

Page 2: ...vates one or two simultaneous release electric microswitches The microswitches are of the rapid release type with automatic rearm When the temperature moves away from the set values returning towards...

Page 3: ...strument closes the circuit when the set point is reached with temperature on fall closure on fall The temperature switch must be kept in the normal installation position i e with the temperature conn...

Page 4: ...ion and accidental bumps Fig 6 Temperature switch for ambient temperature measurement 9 5 ELECTRICAL CONNECTIONS It is recommended to carry out the electrical connections according to the applicable s...

Page 5: ...external condition of the enclosure In case of flameproof or intrinsic safety instruments inspections of the electrical installation are to be carried out also according to customer procedures and at...

Page 6: ...ened electrical joints Interrupted or short circuited electrical line Microswitch contacts damaged Filling fluid leakage Check all electrical joints Check the conditions of the electrical line Replace...

Page 7: ...allation Annex 1 Model code 1 MODEL CODE TX For further information see datasheet 1 1 Ignition protection mode S Weatherproof A Ex d 1 2 Enclosure code material 2 Aluminium 4 316 s s B Direct Mounting...

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