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WIKA Operating instructions pressure gauges Model 2 with 831 per ATEX
7
2064246 07/2009 GB/D/F
GB
Permissible vibration load at the mounting point
The instruments should always be installed in locations free from vibration.
If necessary, it is possible to isolate the instrument from the mounting point
by installing a flexible connection line between the measuring point and the
pressure gauge and mounting the instrument on a suitable bracket.
If this is not possible, the following limit values must not be exceeded:
Dry gauges: Frequency range < 150 Hz
(Model 732) Acceleration < 0.7 g (7 m/s
2
)
Liquid-filled gauges: Frequency range < 150 Hz
(Model 733) Acceleration < 4 g (40 m/s
2
)
The liquid filling must be checked on a regular basis.
The liquid level must not drop below 75 % of the gauge diameter.
4. Switch contacts
EC-type examination certificates
Standard version Model 831.XX
PTB 99 ATEX 2219 X (Appendix 2) and ZELM 03 ATEX 0128 X (Appendix 4)
Depending on the number of switches and on the case diameter either
Model SJ2-N... or Model SJ3.5-...-N... is used.
Safety pattern version Models 831.XX - SN or - S1N
PTB 00 ATEX 2049 X (Appendix 3) and ZELM 03 ATEX 0128 X (Appendix 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
The electrical connections must only be made by qualified personnel
Connection of the switches via screw terminals in the terminal box
Conductor cross section max. 1.5 mm
2
The terminal assignment is stated on the connection plate of the
pressure gauge
The instruments must be connected to the equipotential bonding of the plant
3. Technical data and intended use / 4. Switch contacts
- Operating Instructions 1
- Betriebsanleitung 1
- Mode d'emploi 1
- 2064246 07/2009 GB/D/F 2
- Contents 3
- 1. Safety instructions 4
- 2. Description 4
- Installation with 5
- 4. Switch contacts 7
- 5. Commissioning 9
- 7. Repairs 9
- 8. Disposal 9
- Appendix 1 10
- Appendix 2 11
- Appendix 3 14
- Appendix 4 18
- Gabelschlüssel 25
- Montage mit 25
- 4. Elektrische Schaltkontakte 28
- 5. Inbetriebnahme 29
- 6. Wartung / Reinigung 29
- 7. Reparaturen 29
- 8. Entsorgung 29
- Anlage 1 30
- Anlage 2 31
- Anlage 3 34
- Anlage 4 38
- Sommaire 43
- 1. Consignes de sécurité 44
- Montage avec 45
- 4. Commutateurs 48
- 5. Mise en service 49
- 6. Entretien / Nettoyage 49
- 7. Réparations 49
- 8. Mise au rebus 49
- WIKA Global 50
- 2064246.03 07/2009 GB/D/F 52
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