Wika T24 Bedienungsanleitung PDF herunterladen (Seite 25)

WIKA operating instructions temperature transmitter, model T24 25

2370242.09 08/2013 GB/D

Operation in zone 1 and zone 2:

According to the temperature class, these transmitters may only be

used in the following ambient temperature ranges:

Permissible ambient temperatures

Model T24.10.xx2

II 1G EEx ia

T4 : -40 °C ≤ Ta ≤ +85 °C

T5 : -40 °C ≤ Ta ≤ +75 °C

T6 : -40 °C ≤ Ta ≤ +60 °C

Model T24.10.xx9

II 3G Ex nL/nA/ic

T4 : -40 °C ≤ Ta ≤ +85 °C

T5 : -40 °C ≤ Ta ≤ +75 °C

T6 : -40 °C ≤ Ta ≤ +60 °C

8.3 Safety-related maximum values

Power supply / 4 ... 20 mA-loop

The following safety-related maximum values must not be exceeded:

Model T24.10.xx2

II 1G EEx ia

Voltage: U

= DC 30 V

Current: I

= 120 mA

Power: P

= 800 mW

Model T24.10.xx9

II 3G Ex nL/nA/ic

Voltage: U

= DC 36 V

Power: P

= 1 W

The following values have an external eect at the ⊕ and ⊖

connection terminals of the transmitter (all models):

eective internal capacitance Model T24.xx.xx2 C

= 6.2 nF

Model T24.xx.xx9 C

= 10 nF

eective internal inductance L

= 110 µH

8. Information on mounting and operation ...

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Wika T24 Bedienungsanleitung Seite 25