Wika 532.53+8xx Manual do Utilizador descarregar pdf (Página 7)

7WIKA Operating instructions pressure gauges Model 5 with 831 per ATEX

2133086 08/2004 GB/D/F

Permissible vibratory stress at the mounting location

T As a matter of principle the instruments should only be mounted at locations

without vibratory stresses

T Where required, a decoupling from the mounting location can be achieved

e.g. by a flexible connecting line from the measuring point to the pressure

gauge and mounting via a measuring instrument bracket.

T If this is not possible, the following limits must not be exceeded:

Dry gauges: Frequency range < 150 Hz

(Models 532.XX) Acceleration < 0.7 g (7 m/s

)

Liquid-filled gauges: Frequency range < 150 Hz

(Model 533.XX) Acceleration < 4 g (40 m/s

)

The liquid filling has to be checked on a regular basis.

The liquid level must not drop below 75% of the gauge diameter.

4. Alarm contacts

EC-type examination certificates

T Standard version Model 831.XX

PTB 99 ATEX 2219 X (enclosure 2) and ZELM 03 ATEX 0128 X (enclosure 4)

Depending on the number of switches and on the case diameter either

Model SJ2-N... or Model SJ3.5-...-N... is used.

T Safety pattern version Models 831.XX - SN or - S1N

PTB 00 ATEX 2049 X (enclosure 3) and ZELM 03 ATEX 0128 X (enclosure 4)

Depending on the number of switches and on the case diameter either

Models SJ 2-SN..., SJ 2-S1N..., SJ 3.5-SN.. or SJ 3.5-S1N... are used.

The built-in sensor type is stated on the product label of the pressure gauge.

Wiring details

T The electrical connections should be made by qualified electricians

T Connection of the switches via screw terminals in the terminal box

T Conductor cross section max. 1.5 mm

T The terminal assignment is stated on the connection plate at the

pressure gauge

3. Technical data ... / 4. Alarm contacts

1 2 3 4 5 6 7 8 9 10 11 12 ... 51 52

Sem comentários

Wika 532.53+8xx Manual do Utilizador Página 7