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Motion & Position Sensors
  • AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312
  • AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312
  • AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312
  • AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312
  • AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312
  • AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312
AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312

AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312

  • 5 - 99 Pieces
    $0.90
  • 100 - 999 Pieces
    $0.88
  • 1000 - 9999 Pieces
    $0.85
  • >= 10000 Pieces
    $0.82

Customization:

Customized packaging（Min.Order: 100000 pieces）
View product details

AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Human Presence Detection: Utilizes pyroelectric infrared (PIR) technology to detect motion by sensing infrared radiation changes, enabling precise monitoring of human activity.
  • Analog Output Integration: Provides analog signal output for seamless compatibility with microcontrollers, IoT systems, and legacy infrastructure.

Key features

  • 1. Advanced Material Technology for Reliable Detection

    • With a high-sensitivity pyroelectric infrared (PIR) sensor and durable plastic housing, detect human motion accurately in various environments while resisting environmental wear, outlasting competitors in long-term use*.

  • 2. Intuitive Analog Interface with Real-Time Feedback

    • With an analog output interface and real-time LED status indicators, configure and monitor motion detection effortlessly without external devices, reducing setup complexity by 50% compared to models lacking visual feedback*.

  • 3. Superior Performance for Swift, Broad Coverage

    • With a rapid 0.5-second response time and 7-meter detection range, deliver instant motion alerts and cover broader areas, 30% faster and 20% wider than standard PIR sensors*.

  • 4. Versatile Scenario Adaptability

    • Designed for both residential and commercial use, integrate into smart homes for automated lighting or security systems, and scale to commercial spaces like offices and retail stores for reliable motion monitoring.

  • 5. Certified Safety and Compliance

    • With CE and RoHS certifications, ensure safety and environmental compliance for use in homes, businesses, and regulated environments.

Product details

AM312 Pir Mini Motion Sensor IR Pyroelectric Infrared PIR Human Body Motion Sensor Detector Modules AM312

The AM312 PIR Mini Motion Sensor is a compact, analog-based pyroelectric infrared (PIR) sensor designed for reliable human body motion detection. Its sleek cylindrical plastic body and integrated circuit board enable easy integration into space-constrained applications like security systems, smart home automation, and environmental monitoring.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDurable plastic body, PCB with analog componentsIndoor/outdoor installations requiring robustness
Detection TypePyroelectric PIRMotion detection in security systems
Output TypeAnalog signalDirect interface with microcontrollers
Amplifier TypeAnalogSignal stability for low-noise systems
Power Supply3-pin connection (DC power)Battery or external power compatibility
SensitivityAdjustable via onboard componentsCustomizable detection range (3-7m)

Customization guide

Adjustable sensitivity settings allow optimization for specific environments (e.g., low-traffic areas or high-sensitivity zones). The analog output enables seamless integration with legacy systems or IoT devices requiring direct signal processing.

Get inspired

With its compact design and analog reliability, the AM312 is ideal for retrofitting existing systems or building smart home solutions. For example, pairing it with a microcontroller can automate lighting or security alerts based on motion.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Detection Range3-5m+20% (6m)+40% (7m)*
SensitivityStandardAdjustable via GUIAuto-calibration
Power Consumption15mA12mA8mA (25% lower)**
Noise ImmunityBasicEnhanced filteringMilitary-grade shielding

Supplier's note

  1. Technical Breakthroughs:

    • Pyroelectric PIR Technology: Enables precise human body detection without ultrasonic interference.
    • Low-Power Design: The Pro model’s 25% lower power consumption extends battery life in remote setups.
    • Auto-Calibration: The Pro’s adaptive sensitivity reduces false triggers in dynamic environments.

  2. Optimal Version Selection:

    • Base Model: Ideal for basic home automation (e.g., smart lights) where cost is prioritized.
    • Advanced Model: Suitable for commercial spaces (e.g., retail stores) needing adjustable sensitivity.
    • Pro Model: Best for industrial or outdoor use (e.g., perimeter security) requiring long-range and rugged performance.

*Pro Model’s 7m range outperforms industry benchmarks by 30%.
**25% lower than standard models.

Frequently asked questions

  • Which PIR motion sensor is best suited for small spaces like offices or retail stores?

  • How do I clean and maintain the AM312 sensor to ensure longevity?

  • What are the key differences between PIR sensors like the AM312 and ultrasonic motion sensors?

  • Can the AM312 sensor be customized for specific automation projects?

  • Is the AM312 sensor certified for use in security systems?

  • How do I install the AM312 sensor for optimal motion detection?

  • What applications are best suited for the AM312’s analog output capability?

  • Does the AM312 sensor require frequent calibration?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Detection RangeLarge warehouses, open-plan officesIndustry Standard: 5m (IEC 62284)
Our Base: 6m (▲)
Our Advanced: 7m (▲▲)		Base: 20% longer range than standard. Advanced: Covers spaces up to 49m².Advanced requires 15% higher power consumption.
Power ConsumptionBattery-operated devicesIndustry Standard: 10mA (IEC 60730)
Our Base: 8mA (▲)
Our Advanced: 5mA (▲▲)		Base: 20% lower power than standard. Advanced: 50% lower, extends battery life.Advanced may have slower response time in extreme cold.
Sensitivity (IR Range)Crowd monitoring in public areasAll: 8–14 µm IR detection (IEC 62284)Uniform sensitivity across tiers for human body heat detection.Infrared interference from heat sources may cause false triggers.
Communication InterfaceIoT integration projectsIndustry Standard: Analog only
Our Base: Analog (0–5V)
Our Advanced: Analog + Digital (I²C ▲▲)		Advanced: Dual interface for seamless IoT compatibility.Base lacks digital output for complex systems.
Operating TemperatureOutdoor security systemsIndustry Standard: -10°C to 50°C
Our Base: -20°C to 60°C (▲)
Our Advanced: -30°C to 70°C (▲▲)		Base: Survives frost; Advanced: Functions in extreme climates.Advanced requires ruggedized casing for outdoor use.
CertificationsEU/US compliance projectsIndustry Standard: CE
Our Base: CE (▲)
Our Advanced: CE + RoHS (▲▲)		Advanced meets stricter EU environmental standards.Base lacks RoHS certification for green initiatives.

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