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E2C-H Heat-Resistant Separate-Amplifier Proximity Sensor
OMRON — E2C-H Series
The E2C-H is a heat-resistant variant of OMRON's E2C separate-amplifier inductive sensor line, with a PEEK sensing face, brass case, and fluorine-resin heat-resistant coaxial cable that allow the sensor head to operate continuously at up to 200°C ambient — far beyond standard inductive sensor ratings. The amplifier unit is DIN-rail/panel mounted away from the hot zone and offers a 4-turn potentiometer for sensitivity adjustment. Intended for furnace, oven, curing-line, and other high-temperature process equipment where the target metal or its immediate surroundings run hot.
Key Features
- Sensor head rated for continuous operation at -10 to 200°C ambient
- PEEK (polyether ether ketone) sensing face and heat-resistant fluorine-resin coaxial cable
- Separate amplifier unit (E2C-JC4xH) can be panel/DIN-rail mounted in a cooler location
- 4-turn potentiometer for fine sensitivity/sensing-distance adjustment
- Available in M8 (1.5mm), M12 (2mm) and M18 (5mm) sensing-distance sensor heads
- NPN open-collector output, 12-24 VDC amplifier supply
Detailed Parameters
| Sensing Distance | 2 mm (M12 head, E2C-X2AH); 1.5 mm M8 / 5 mm M18 variants also available |
| Detectable Object | Ferrous metal (reduced distance for non-ferrous, per datasheet) |
| Output Type | NPN open collector via E2C-JC4DH amplifier, 100 mA max, NO/NC selectable |
| Supply Voltage (Amplifier) | 12 to 24 VDC (10 to 30 VDC), ripple 10% max |
| Ambient Temperature (Sensor Head) | Operating/storage -10 to 200°C |
| Ambient Temperature (Amplifier) | Operating/storage -10 to 55°C |
| Protection Rating | IEC 60529 IP60 (sensor head; not waterproof — avoid water vapor exposure) |
| Materials | Case: brass; sensing surface: PEEK; cable: fluorine resin (heat-resistant coaxial, 3 m) |