Vaisala DRYCAP DMT143 Guide de l'utilisateur télécharger pdf (Page 23)

Chapter 4 ________________________________________________________________ Installation

VAISALA ________________________________________________________________________ 21

2. Model with parallel thread (G1/2" ISO 228/1) requires a sealing

ring for a tight connection. Use the sealing ring that is provided

with the transmitter. Make sure the threads on the mounting point

match your transmitter.

For the model with NPT thread, do not use a sealing ring.

1202-123

Figure 6 Installing the Transmitter with Sealing Ring

3. Tighten the connection by turning with a wrench (max. 50 Nm).

Wrench size is 24 mm for ISO threaded transmitter, 30 mm for

NPT threaded model.

1202-124

Figure 7 Tightening with a Wrench

4. Connect the signal and power cable to the DMT143. Refer to the

following sections for wiring instructions and power supply

requirements.

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Vaisala DRYCAP DMT143 Guide de l'utilisateur Page 23