The npn pnp inductive proximity sensor is a component designed to detect the presence or absence of an object without physical contact. They are non-contact devices that are highly suitable for handling delicate or unstable objects that may be damaged by contact with other types of sensors.
This non-contact operation also means that most types of proximity sensors (excluding magnetic proximity sensors and other types) have a longer service life. This is because they have semiconductor output, which means that the output does not require the use of contacts.
The proximity sensor is designed to provide high-speed response (the time interval between object triggering the sensor and output activation).
Considerations when choosing an npn pnp inductive proximity sensor
Like all types of proximity sensors, many variables can affect the selection of inductive proximity sensors. Choosing the right type is important, so when making a decision, the following factors should be considered:
- application program
- Whether it's blocking, partially blocking, or unshielded
- IP rating
- switching frequency
- Switch output type (NPN or PNP)
- response time
- Installation type (embedded non embedded)
- Target type (i.e. perceived content)
- Sensing range
- Body style
FAQ
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Square type inductive sensor specifications
Model | Detection distance | Set distance | Movement differential | NPN/PNP | Operating mode | Standard test substance | Supply voltage | Consumption current | Load | Residual voltage | Switching frequency | Protection circuit | Ambient temperature | Ambient humidity | Protection grade |
GPL-0802-NO-2m | 2.5mm | 0~1.8mm | Within 10% detection distance | NPN | normally open | Mild steel (ST37) | below 10-30VDC | below 8mA | below 100mA | below 1V | 1.2KHz | Output polarity reverse protection, power supply reverse polarity protection, surge absorption, short circuit protection | -25~70℃ | 35%~95%RH | IP67 |
GPL-0802-NC-2m | normal close | ||||||||||||||
GPL-0902-NO-2m | normally open | ||||||||||||||
GPL-0902-NC-2m | normal close | ||||||||||||||
GPL-1204-NO-2m | 4mm | 0-3.2mm | NPN | normally open | 1KHz | ||||||||||
GPL-1204-NC-2m | normal close | ||||||||||||||
GPL-1204-PO-2m | PNP | normally open | |||||||||||||
GPL-1204-PC-2m | normal close | ||||||||||||||
GPL-1705-NO-2m | 5mm | 0~4mm | Within 10% detection distance | NPN | normally open | Mild steel (ST37) | below 10-30VDC | below 8mA | below 100mA | below 1V | 1KHz | Output polarity reverse protection, power supply reverse polarity protection, surge absorption, short circuit protection | -25~70℃ | 35%~95%RH | IP67 |
GPL-1705-NC-2m | normal close | ||||||||||||||
GPL-1705-PO-2m | PNP | normally open | |||||||||||||
GPL-1705-PC-2m | normal close | ||||||||||||||
GPL-1805-NO-2m | NPN | normally open | |||||||||||||
GPL-1805-NC-2m | normal close | ||||||||||||||
GPL-1805-PO-2m | PNP | normally open | |||||||||||||
GPL-1805-PC-2m | normal close | ||||||||||||||
GPL-2510-NO-2m | 10mm | 0~8mm | Within 10% detection distance | NPN | normally open | Mild steel (ST37) | below 10-30VDC | below 8mA | below 100mA | below 1V | 800Hz | Output polarity reverse protection, power supply reverse polarity protection, surge absorption, short circuit protection | -25~70℃ | 35%~95%RH | IP67 |
GPL-2510-NC-2m | normal close | ||||||||||||||
GPL-2510-PO-2m | PNP | normally open | |||||||||||||
GPL-2510-PC-2m | normal close | ||||||||||||||
GPL-3010-NO-2m | NPN | normally open | |||||||||||||
GPL-3010-NC-2m | normal close | ||||||||||||||
GPL-3010-PO-2m | PNP | normally open | |||||||||||||
GPL-3010-PC-2m | normal close | ||||||||||||||
GPL-4020-NO-2m | 20mm | 0~16mm | Within 10% detection distance | NPN | normally open | Mild steel (ST37) | below 10-30VDC | below 8mA | below 100mA | below 1V | 400Hz | Output polarity reverse protection, power supply reverse polarity protection, surge absorption, short circuit protection | -25~70℃ | 35%~95%RH | IP67 |
GPL-4020-NC-2m | normal close | ||||||||||||||
GPL-4020-PO-2m | PNP | normally open | |||||||||||||
GPL-4020-PC-2m | normal close |