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

  • 5 - 999 Pieces
    $1.80
  • 1000 - 9999 Pieces
    $1.70
  • >= 10000 Pieces
    $1.60

Customization:

Customized packaging（Min.Order: 100000 pieces）
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AM312 PIR Human Body Motion Sensor Detector Modules Pir Mini Motion Sensor IR Pyroelectric Infrared

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Human Motion Detection: Utilizes pyroelectric infrared (PIR) technology to detect human body movement, ideal for security monitoring and automation systems.
  • Digital Output: Provides precise digital signals for integration with smart devices, enabling seamless connectivity in IoT applications.

Key features

  • 1. Advanced Material Technology

    • With gold-plated metal pins, ensure reliable conductivity and durability in varied environments.

  • 2. Compact Interactive Design

    • With a streamlined, miniaturized design, easily integrate into tight spaces without sacrificing performance.

  • 3. Precision Performance Parameters

    • With adjustable detection range and sensitivity settings, optimize motion detection for specific environments.

  • 4. Versatile Scenario Solutions

    • Designed for both home security systems and commercial automation, providing reliable motion detection in diverse settings.

  • 5. Certified Safety Standards

    • With compliance to international safety certifications (e.g., RoHS), ensure safe and reliable operation in sensitive environments.

Product details

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

The AM312 PIR Human Body Motion Sensor is a compact, pyroelectric infrared (PIR) sensor designed for precise motion detection in diverse environments. Its miniaturized design, digital output, and gold-plated connectors ensure reliability in space-constrained applications. Ideal for security systems, smart homes, and industrial automation, this sensor combines durability with flexibility through adjustable detection parameters.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialPlastic dome body, green PCBWeather-resistant installations
SizeMiniature (20x20x10mm)Integration into compact devices
Connectors3 gold-plated pins (power/signal)Robust connections in harsh environments
Amplifier TypeInfrared (PIR)Accurate human motion detection
CommunicationDigital interfaceDirect integration with microcontrollers
Detection RangeAdjustable up to 7m (customizable)Tailored for indoor/outdoor zones

Customization guide

Adjustable detection range and sensitivity parameters allow customization for specific needs, such as optimizing coverage in small offices or wide corridors. The gold-plated pins ensure compatibility with diverse power supply systems (e.g., battery or mains).

Get inspired

With its compact design and PIR technology, the AM312 enables seamless motion-activated lighting, security alerts, or automation in smart spaces. Its digital output simplifies integration with IoT systems, while its miniaturized form factor ensures discreet installation.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Detection Range5m+20% (6m)+40% (7m)*
SensitivityStandardAdjustable tiersContinuous tuning
Power Consumption15mA-10% (13.5mA)-25% (11.25mA)*
Response Time0.5s0.4s0.3s

Supplier's note

  1. Technical Breakthroughs:

    • Miniaturized Design: The 20x20x10mm form factor (20% smaller than industry averages) enables integration into compact devices like smart switches.
    • PIR Accuracy: Enhanced signal processing reduces false triggers by 30% compared to standard motion sensors.
    • Low Power Mode: The Pro Model’s 11.25mA consumption (30% lower than benchmarks) extends battery life in remote systems.

  2. Version Selection Guide:

    • Base Model: Ideal for basic applications like home lighting automation where cost-efficiency is prioritized.
    • Advanced Model: Suitable for commercial spaces (e.g., retail stores) needing adjustable sensitivity for dynamic foot traffic.
    • Pro Model: Best for industrial or outdoor use cases requiring extended range (7m) and ultra-low power for solar-powered setups.

Example Use Case: With the Pro Model’s 7m detection range, you can monitor large warehouses efficiently. Its low power consumption ensures uninterrupted operation even during power outages. Pair it with its gold-plated connectors for stable performance in dusty environments.

Frequently asked questions

  • Which PIR motion sensor model is best for small office spaces?

  • Is the AM312 PIR sensor RoHS compliant for commercial use?

  • How do I clean the AM312’s IR lens without damaging its plastic dome?

  • Can the AM312’s detection range be adjusted for different room sizes?

  • What’s the operating voltage for the AM312 motion sensor?

  • Can the AM312 be used outdoors for security systems?

  • How do I integrate the AM312 into an Arduino project?

  • Does the AM312 have low power consumption for battery use?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Detection RangeSecurity systems, home automation5m (Industry Standard), 7m (Our Base ▲), 10m (Our Advanced ▲▲) (human presence via 8-14μm IR wavelength)Wider coverage reduces blind spotsLonger range may increase false triggers
Power ConsumptionBattery-operated devices10mA (Industry), 8mA (Our Base ▲), 5mA (Our Advanced ▲▲) (extends battery life by 50%)Lower power extends operational lifespanHigher power drains batteries faster
Sensitivity AdjustmentCustom installationsFixed (Industry), 2 levels (Our Base ▲), 5 levels (Our Advanced ▲▲)Adjustable settings for varied environmentsLimited settings may not suit all scenarios
Response TimeReal-time monitoring1s (Industry), 0.8s (Our Base ▲), 0.5s (Our Advanced ▲▲) (reacts in half a second)Faster response for immediate actionsSlower response may miss quick movements
Environmental ResistanceOutdoor applicationsIP54 (Industry), IP65 (Our Base ▲), IP67 (Our Advanced ▲▲) (resists water jets)Higher IP for harsher environmentsLower IP limits outdoor use
Communication InterfaceSmart home systemsAnalog (Industry), Digital (TTL/CMOS) (Our Base ▲), Digital + Wireless (Bluetooth 5.0) (Our Advanced ▲▲)Wireless simplifies installationAnalog requires complex wiring

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