The operational principle of the Rectangle Inductive Sensor is based on electromagnetic induction. When a metallic object enters the detection area of the sensor, the eddy currents induced in the metal draw energy from the oscillator. This energy absorption results in a decrease or complete halt of the oscillator's vibrations. The two states of the oscillator-oscillating and stopped-are then converted into binary switch signals through a process of signal conditioning and amplification. Afterward, these signals are outputted following power amplification.
When the inductive sensor is powered on, it creates an alternating magnetic field at its detection surface. As a metal target approaches this magnetic field within the sensor's sensing range, eddy currents are generated in the target. These eddy currents cause the vibrations of the oscillator to be damped or to stop entirely. The change in the oscillator's state, from an active (oscillating) state to an inactive (stopped) state and vice versa, is processed by an amplifier circuit. This circuit transforms these state changes into switch signals. Subsequently, these switch signals trigger the drive control mechanisms, enabling non-contact detection.
Features
1. Garantta Rectangle Inductive Sensor offers durable and stable metal detection. It features a rated voltage of DC10-30V, front-facing sensing, and multiple output modes and specifications.
2. LED indicator light: When a metal object is detected, it turns on for normally open and off for normally closed.
3. ABS plastic construction for enhanced sensitivity; built-in imported sensor chip; fast frequency response and strong anti-interference; sensing occurs when close to a metal object; sensing distance of 5mm.
4. M4 screw mounting holes for quick and easy installation and fine-tuning of the distance.
5. Waterproof and oil-resistant; fully epoxy resin encapsulated; IP67 rated.
6. PVC cable; two-meter pure copper conductor with a soft and durable sheath.

Advantages
- Compact Proximity Sensor
This Rectangle Inductive Sensor boasts a sensitive response, stable performance, and robust anti-interference capabilities. It comes in a variety of specifications to meet diverse requirements, making it highly adaptable for different applications.
- Metal Detection
It offers a rapid response to metal objects. Capable of detecting materials like iron, copper, and aluminum, different models provide varying sensing distances and positions. This ensures consistent and reliable detection sensitivity, allowing for accurate identification of metals in various scenarios.
- High-Quality Components
Precision sensing and stable detection are accomplished by using top-notch internal components. With embedded anti-interference technology, it enhances accuracy and reliability, enabling the sensor to function effectively even in challenging environments with potential interference.
- Flexible and Durable Wiring
The sensor utilizes pure copper wire cores, which offer excellent conductivity. Its outer sheath features a matte finish and is wear-resistant. This sheath is not only bend-resistant but also waterproof and oil-resistant, and it has a higher tensile strength compared to standard wires. Such wiring ensures long-lasting performance and reliable signal transmission.
- IP67 Protection Rating
With an IP67 protection rating, this sensor guarantees stable performance in harsh environments. It is waterproof, moisture-proof, and corrosion-resistant, making it suitable for use in industrial settings and other demanding conditions. Additionally, it has fast response frequencies, enabling efficient operation and timely detection.
- Smart Chip with Millisecond Response
The integrated intelligent sensor chip provides high sensitivity and enables rapid object detection. With a millisecond response time, it ensures optimal efficiency in various applications, allowing for quick and accurate identification of objects in the sensor's range.
- Polarity Protection and Durable Housing
It is equipped with reverse connection protection, safeguarding the sensor from potential damage due to incorrect wiring. The PVC housing features distinct color coding, which makes it easy to identify and install correctly. This durable housing also contributes to the overall reliability of the sensor.
- ABS Enclosure
The integrated ABS structure effectively blocks dust and resists corrosion, providing excellent protection for the internal electronic components. This significantly reduces the equipment failure rate, ensuring the longevity and stable operation of the sensor in different working conditions.
- Versatile Applications
This Rectangle Inductive Sensor is suitable for a wide array of functions. It can be used for level detection, liquid level control, product counting, width discrimination, signal delay, and speed detection for automatic doors, among other applications. Its versatility makes it a valuable component in various industrial and automation systems.
FAQ
Q: Can the Rectangle Inductive Sensor detect aluminum materials?
Inductive sensors detect objects made of metal materials, so aluminum can be identified, but the sensing distances of different metals are different. Generally, the sensing distance given to you by the factory is for iron materials, and the sensing distance of aluminum is closer than that of iron.
Q: What makes me believe that you are a reliable company?
We are a legally operated company that has obtained a business license from the Chinese government, and Alibaba.com has inspected us, otherwise, we would not be allowed to run a business online.
Q: How can I order the Customized Products from you?
Drawings or photos or samples are required if you want to customize any products.
Q: Does the ordered product meet CE, RoHs standard?
Yes, all products are environmentally friendly.
Q: Can I apply for the free sample of the Rectangle Inductive Sensor?
Yes, for the products that we have in stock, free samples can be provided. For the customized products, we
will provide the sample for your testing, and the sample charge will be reduced on the mass production order.
Q: Where can I get the Invoice?
After you place the order online or offline, you will get the Sales Invoice by e-mail, and Commercial
An invoice will be provided when we arrange the shipment.
Q: If you have any questions about our products, please contact me as soon as possible.
WeChat/Phone:+ 86 13530821762
Email: sales@garantta.com
Whatsapp:+ 86 13530821762
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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 |










