CJ4-12GK-N-10M Capacitive sensor is produced by Pepperl+Fuchs, with a rated operating distance of 4 mm, a non-flush installation and a NAMUR output polarity.
About this manual
This manual describes the CJ4-12GK-N-10M capacitor sensor, a 4 mm non‑flat mounting device with IP68 protection, designed for use in ATEX‑classified hazardous zones. It lists compliance with IEC and EN standards, provides electrical specifications such as 8 V/12 V operating voltage and 2.4 mA output current, and details the sensor's mechanical and environmental limits.
The document covers installation procedures, wiring polarity, cable requirements, and maintenance guidelines. It also outlines special conditions for use in explosive atmospheres, including required cable lengths to prevent static discharge and the prohibition of any modifications or repairs in hazardous areas. This manual is written in Chinese.
What's inside
- General Description
- ATEX 1G
- ATEX 2G
- ATEX 1D
- Installation
- Wiring Polarity
- Mechanical Characteristics
- Maintenance
- Special Conditions
Specifications
| Mounting type | 4 mm non‑flat |
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| Operating voltage | 8 V / 12 V |
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| Capacitance (reference 10 m cable) | 60 nF |
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| Maximum ambient temperature | 60 °C |
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| Minimum operating temperature | -20 °C |
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| Protection standard | IEC 7/EN 60947-5-2:1999 |
Frequently asked questions
Can the sensor be repaired or modified in hazardous areas?
No, the sensor must not be altered or repaired when used in hazardous zones.
What is the recommended minimum cable length to avoid static discharge?
A minimum cable length of 96 cm (or 48 cm/7 cm for shorter connections) is required to prevent hazardous static charge buildup.