Technical parameters of explosion-proof photoelectric switch

220V explosion-proof photoelectric switch E3K100-DS100M1

The E3K100-DS100M1 explosion-proof photoelectric switch is an industrial sensor designed specifically for flammable and explosive environments. It uses the principle of photoelectric induction to achieve non-contact detection and has high reliability, strong anti-interference ability, and explosion-proof safety characteristics. The following are its core technical parameters and characteristics:

1、 Basic parameters

1. external structure

• Gas environment: Ex d IIC T6 Gb (explosion-proof type, suitable for Zone 1/Zone 2).

• Dust environment: Ex tD A21 IP67 T100 ℃ (optional, suitable for Zone 20/21/22).

• Dimensions: cylindrical, with a diameter of approximately 30~50mm and a length of approximately 80~120mm (refer to the product manual for details).

• Material: Stainless steel or aluminum alloy shell, surface anti-corrosion treatment (such as sandblasting, anodizing).

• Protection level: IP67 (dustproof and waterproof, can withstand short-term immersion).

• Explosion-proof rating

2. Detection method

• Shooting type: The transmitter and receiver are installed separately, with a long detection distance (typical value of 100m).

• Reflective plate: The transmitter and receiver are integrated, and detection is achieved through a reflective plate (at a distance of about 10m).

• Background suppression type: can ignore background objects and only detect targets within a specific distance (optional function).

2、 Performance parameters

1. detection distance

• Shooting type: 10-100m (adjustable, less affected by ambient light).

• Reflective plate: 0.1~10m (reflective plate needs to be installed separately).

• Background suppression type: 50mm~5m (accurate detection of targets, ignoring objects behind).

2. response time

• Typical value: ≤ 1ms (high-speed moving object detection).

• Adjustable range: 0.1ms~10ms (optimized according to application scenarios).

3. output signal

• Output of NPN/PNP transistor (three wire system).

• Load capacity: DC 30V/200mA.

• Numerical quantity:

• Analog quantity (optional): 4~20mA or 0~10V (customized).

• Relay output (optional): SPDT contacts, AC 250V/3A or DC 30V/1A.

4. repeatability accuracy

• Shooting type: ± 0.1% FS (full range).

• Reflective plate: ± 0.5% FS.

3、 Electrical parameters

1. power supply voltage

• DC type: 12-24V DC ± 15% (typical value).

• Communication type: 220V AC ± 10% (optional, explosion-proof isolation transformer required).

• Power consumption: ≤ 2W (low-power design).

2. indicator light

• Power indicator light (green): Always on when powered on.

• Detection indicator light (red): It lights up when the target enters the detection range.

• Fault indicator light (yellow): flashes when overloaded or short circuited.

3. protection function

• Short circuit protection: Automatic current limiting when the output terminal is short circuited.

• Reverse polarity protection: There is no damage when the power polarity is reversed.

• Overload protection: Automatically shuts off when the load current exceeds the rated value.

4、 Environmental adaptability

1. Operating Temperature

• Conventional type: -20 ℃~+60 ℃.

• Wide temperature range: -40 ℃~+85 ℃ (optional, suitable for extremely cold or high temperature environments).

2. Environmental light interference

• Environmental light resistance: ≥ 10000 lux (no impact from direct sunlight).

• Infrared filtering: Built in infrared cut-off filter to reduce stray light interference.

3. Vibration and Shock

• Vibration resistance: 10g (55~2000Hz, random vibration).

• Impact resistance: 50g (11ms half sine wave).

4. protective properties

• Anti corrosion: IP67 shell+sealing ring, can resist salt spray and oil stains.

• Explosion proof certification: ATEX, China Explosion proof Certificate.

5、 Installation and Debugging

1. Installation method

• Shooting type: The transmitter and receiver are aligned axially, with a spacing of ≤ 100m.

• Reflective plate: The sensor is installed at a 90 degree angle to the reflective plate, with a distance of ≤ 10m.

• Bracket: Standard M12 or M18 threaded mounting holes, supporting universal adjustment.

2. debugging tool

• Knob adjustment: Adjust the detection distance or sensitivity through a potentiometer.

• Remote teaching: Automatic calibration triggered by buttons or signal lines (supported by some models).

• Teaching line: Connect external teaching devices for quick setup (optional).

• 

6、 Application scenarios

1. Petrochemical industry: tank level detection, pipeline leakage monitoring, valve status feedback.

2. Coal mines: belt conveyor deviation detection, chute blockage alarm, elevator safety interlock.

3. Pharmaceutical and Food: Packaging line missing bottle detection, bottle cap tightening confirmation, material sorting.

4. Logistics warehousing: shelf access sensing, AGV navigation obstacle avoidance, conveyor line blockage detection.

7、 Precautions

1. Explosion proof sensors are strictly prohibited from being disassembled or repaired in non explosion proof areas and must be operated by professional personnel.

2. Avoid strong electromagnetic interference sources (such as frequency converters and high-frequency welding machines) during installation, and it is recommended to maintain a distance of ≥ 1m.

3. Regularly clean the surface of the sensor to prevent dust or oil from blocking the light path.

4. The alignment accuracy of the transmitter and receiver of the reflective sensor needs to be checked regularly to prevent false alarms caused by offset.