Wika T12 Manuel d'utilisateur télécharger pdf (Page 30)

3211517.0707/2010GB/D

30 WIKAoperatinginstructionstemperaturetransmitterT12

■

nAapplications:

Anexternaltransientprotectionofmax.140%ofsupplyvoltage

connectedtoterminals⊕and⊖shallbeprovidedbytheenduser

intheenduseapplication.

Operation in Zone 0:

Thetemperaturetransmittermayonlybeoperatedinareasthat

requireapparatusofcategory1whenfollowingatmospheric

conditionsexist:

Temperature:-20...+60°C

Pressure: 0.8...1.1bar

Operation in Zone 1 and Zone 2:

Accordingtothetemperatureclass,thesetransmittersmaybeused

onlyinthefollowingambienttemperatureranges:

Permissibleambienttemperatures

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Headmountingversion

Model T12.10.xx9



II3GExnL

 II3GExnA

 II3GExic

T4:-40°C≤Ta≤+85°C

T5:-40°C≤Ta≤+75°C

T6:-40°C≤Ta≤+60°C

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Railmountingversion

Model T12.30.xx9

 II3GExnL

 II3GExnA

 II3GExic

T4:-20°C≤Ta≤+70°C

T5:-20°C≤Ta≤+70°C

T6:-20°C≤Ta≤+60°C

8.3 Safety-technical maximum values

8.3.1 Power supply / 4 ... 20 mA loop

Thefollowingsafety-relevantmaximumvaluesmustnotbeexceeded:

ModelT12.x0.xx9



II3GExnL

 II3GExnA

 II3GExic

Voltage: U

 =DC36V

8. Notes for mounting and operating in ...

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 71 72

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Wika T12 Manuel d'utilisateur Page 30

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