Vaisala HMP260 SERIES Manuel de service télécharger pdf (Page 11)

HMP260 SERIES

HMP260-U017en-1.5 Operating Manual

1997-11-25 5

3.2. Mounting

HMP263/264/265

(EEx ia) IIC

SAFE AREA

HAZARDOUS AREA

EEx ia IIC T3/T4

HMP263 sensor head

HMP264 sensor head

for pressurized spaces

HMP265 sensor head

Supply voltage 24 VDC

Analog outputs (mA/V)

RS 232C/ RS 485 /digital current loop

Fig. 3.1 Examples of sensor head mounting

The lead-throughs must be sealed properly to avoid air flowing in or out from

the channel. The sealings must fulfil EEx requirements. When using the

support bar with the HMP263, the lead-through piece must be sealed e.g. with

silicon. See also Appendix 8.

133

104

Ø 6.5

Fig. 3.1 Mounting holes in the HMP260 transmitter housings

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 117 118

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Vaisala HMP260 SERIES Manuel de service Page 11