OFFICINE OROBICHE 2000 Series Instruction Manual
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OFFICINE OROBICHE 2000 Series Instruction Manual

Magnetic sensors for instruments
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1. INSTRUMENT DESCRIPTION
Magnetic switches are used to be fitted to the
external sides of level indicators of the 2000 series
and are equipped with a single exchange contact
(SPDT). They provide a maximum and/or minimum
level alarm signal on the level indicator.
They are connected to the indicator through stainless
steel straps and can be adjusted to whatever position
you desire.
Magnetic switches are designed to provide simple
and lasting service.
They are unfed bistable switches and are mainly
composed of a housing with an incorporated reed
contact which is actuated by the magnetic field.
24010 Ponteranica (Bergamo) ITALY - Via Serena, 10 - Tel. +39 035 4530211 - Fax +39 035 570546 - www.officineorobiche.it - email: info@officineorobiche.it
******************************************************************************************************************************************************************
MAR.21
OFFICINE OROBICHE
INSTRUCTION MANUAL
MAGNETIC sensors for instruments series 2000
Information subject to change without prior notice
/
1
9
Fig. 1
IST/155-I

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Summary of Contents for OFFICINE OROBICHE 2000 Series

  • Page 1 MAGNETIC sensors for instruments series 2000 1. INSTRUMENT DESCRIPTION Magnetic switches are used to be fitted to the external sides of level indicators of the 2000 series and are equipped with a single exchange contact (SPDT). They provide a maximum and/or minimum level alarm signal on the level indicator.
  • Page 2 OFFICINE OROBICHE 2. MODEL IDENTIFICATON Sensor for ambient temperatures within the –50°C/+7 0°C Media temperature up to 250 °C Protection class IP 66 T25 INOX CONTACT RATING 230 VAC / 0.5A / 40VA – 200 VDC / 0,5A / 40W Sensor for ambient temperatures within the –50°C/+7 0°C...

  • Page 3: Contact Rating

    OFFICINE OROBICHE High temperature sensor for ambient temperatures within the –50°C/+70°C Media temperature up to 350 °C Protection class IP 66 II 2G Ex ia IIC T6…T4 Gb EAC Ex Atex marking T25 HTXI SIL 1 CONTACT RATING Ui = 28V - Ii = 100 mA - Li = negligible - Ci = negligible - Pi = 700 Mw Sensor for ambient temperatures within the –50°C/+7 0°C...

  • Page 4: Operating Principle

    OFFICINE OROBICHE 3. OPERATING PRINCIPLE Magnetic switches are used to provide a switching function at a preset level on level indicators or similar instruments and can be mounted, one or more, on each individual level indicator. Magnetic switches of the T25 XI, T25 WHXI, T25 XD, T25 XD2 and T25 HTXI models comply with the ATEX...

  • Page 5: Electrical Wiring

    OFFICINE OROBICHE Notes for Environments featuring explosions risks (Ex) Ensure the sensor suits the classification of the area, and the characteristics of flammable substances that can be found on the system. Operate in such a manner as to absolutely avoid causing sparks, there where an air-gas burning mixture is found in the environment.

  • Page 6: Maintenance

    OFFICINE OROBICHE 7. MAINTENANCE Magnetic sensors do not generally demand scheduled maintenance. Periodically check the contact, about once every six months, for proper operation. Notes for Environments featuring explosions risks (Ex) Tests and maintenance over explosion proof sensors T25 XD or T25 XD2 shall be carried out according to the criteria set forth in the EN 60079-17 standard.
  • Page 7 OFFICINE OROBICHE Model T25 HT /NR Fig. 2 Model T25 XD2 24010 Ponteranica (Bergamo) ITALY - Via Serena, 10 - Tel. +39 035 4530211 - Fax +39 035 570546 - www.officineorobiche.it - email: info@officineorobiche.it ****************************************************************************************************************************************************************** MAR.21 Information subject to change without prior notice...
  • Page 8 OFFICINE OROBICHE Model T25 PN Model T25 WH – T25 WHXI 9. PROTECTIVE MODULES of the RC type Use the RC protective modules according to the table below. The rating of switches and the reference voltage will define the type of module to adopt. Other types can destroy or damage the reed service life over time.
  • Page 9 All the magnetic switches are guaranteed to be free from manufacturing faults over a period of 12 months from the date of shipment. In the event of failures, implying return of goods within the limit specified above, OFFICINE OROBICHE will replace (shipment fees not included) all damaged parts free, provided that the failure does not ensue from incorrect use.

This manual is also suitable for:

T25T25 inoxT25 xiT25 xi inoxT25 xdT25 xd inox ... Show all

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