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Microwave Radar | RD24-4S | Easy Installation | Temperature Resistant Fast Response

Microwave Radar | RD24-4S | Easy Installation | Temperature Resistant Fast Response

Microwave Radar | RD24-4S | Easy Installation | Temperature Resistant Fast Response
Microwave Radar | RD24-4S | Easy Installation | Temperature Resistant Fast Response
Categories Microwave Motion Sensor
Brand Name: JUTAI
Model Number: RD24-4
Certification: CE
Place of Origin: Shenzhen China
MOQ: 100
Price: 4-6 USD according to order quantity
Payment Terms: T/T,paypal,alipay,Western Union
Supply Ability: 5000 pcs per month
Delivery Time: 5-8 working dag
Packaging Details: Carton
Technology: Microwave Doppler Radar
Transmitter Frequency: 24.125GHz
Transmitter Radiated Power: <20 dBm EIRP
Transmitter Power Density: ≤5mW/cm
Maximum Mounting Height: 3m
Tilt Angles: 0°~90° vertical; -30°~+30° lateral
Detection Field (2.2m mounting): 4m(W)×2m(D)
Detection Mode: Motion detection
Minimum Detectable Speed: 5cm/s (sensor axis)
Supply Voltage: 12-24V AC ±10%; 12-24V DC +30% / -10%
Mains Frequency: 50-60Hz
Power Consumption: ≤2W(VA)
Output Mode: Switch tube output
Signal Output Time: 1.5s hold
Max Contact Voltage: 42V AC/DC
Max Contact Current: 1A (resistive)
Max Switching Power: 30W(DC) / 60VA(AC)
Working Temperature Range: -20℃ ~ +55℃
Degree of Protection: IP54
Norm Conformity: R&TTE 1999/5/EC; EMC 89/336/EEC
Material: ABS
Housing Color: Black/Silver
Dimensions (W×H×D): 120mm×80mm×50mm
Net Weight: 0.215kg
Cable Length: 2.2m
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Company Info.
Shenzhen Jutai Comm Co., Ltd.
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Microwave Radar | RD24-4S | Easy Installation | Temperature Resistant Fast Response

Microwave Radar | RD24-4S | Easy Installation | Temperature Resistant Fast Response

This RD24-4S Microwave Radar stands out as a versatile motion detection solution for all door access systems, engineered with effortless installation, robust temperature resistance and ultra fast response—three core strengths that make it a top choice for commercial, retail and industrial settings. Built on professional 24.125GHz microwave Doppler technology, its fast response capability instantly detects valid motion targets moving at ≥5cm/s along the sensor axis, delivering real-time trigger signals for automatic doors, sliding glass doors and commercial entryways, eliminating lag and ensuring smooth, timely access for high-traffic footfall. No complex wiring or professional tools are needed for its easy installation: the compact ABS housing (120×80×50mm) and lightweight 0.215kg build enable direct surface mounting, the 2.2m pre-wired cable fits JST and relay interfaces, and the intuitive LED status indicator and gentle-adjust sensitivity potentiometer simplify one-step calibration right after mounting.
What elevates this radar further is its exceptional temperature resistance, operating stably in an extreme range of -20℃ to +55℃. It performs reliably in cold winter outdoor covered entryways and hot summer indoor commercial spaces without signal drift or performance drop, far exceeding ordinary sensors’ environmental adaptability. Paired with IP54 dustproof and waterproof protection, it resists daily dust, splashes and wear, ensuring long-term durability in harsh working conditions. With low power consumption (≤2W) and wide 12-24V AC/DC voltage compatibility, it integrates seamlessly into existing power setups without additional adapters. Compliant with R&TTE and EMC international standards, this RD24-4S Microwave Radar combines easy setup, all-temperature adaptability and fast motion response, making it a plug-and-play, low-maintenance motion sensing solution for diverse door automation needs.
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door sensor

automatic door sensorAutomatic door sensor installation and operation showing proper mounting and detection field
Product Highlights
  • 24.125GHz mainstream microwave frequency for stable motion detection (≥5cm/s)
  • Wide detection field: 4m(W)*2m(D) at 2.2m mounting height
  • Flexible angle adjustment: 0°~90° vertical / -30°~+30° lateral tilt
  • Wide voltage supply: 12-24V AC/DC with low power consumption (≤2W)
  • IP54 protection & -20℃~+55℃ working temperature for indoor/outdoor semi-enclosed use
  • Easy installation & adjustment with compact size, sensitivity potentiometer, and clear LED status prompt
  • Reliable output: 1.5s signal hold, 42V AC/DC max contact voltage, 1A resistive current
RD24-4S Automatic Door Sensor technical diagram and specifications
Technical Specifications
ParameterSpecification
TechnologyMicrowave Doppler Radar
Transmitter Frequency24.125GHz
Transmitter Radiated Power<20 dBm EIRP
Transmitter Power Density≤5mW/cm
Maximum Mounting Height3m
Tilt Angles0°~90° vertical; -30°~+30° lateral
Detection Field (2.2m mounting)4m(W)*2m(D)
Detection ModeMotion detection
Minimum Detectable Speed5cm/s (sensor axis)
Supply Voltage12-24V AC ±10%; 12-24V DC +30% / -10%
Mains Frequency50-60Hz
Power Consumption≤2W(VA)
Output ModeSwitch tube output
Signal Output Time1.5s hold
Max Contact Voltage42V AC/DC
Max Contact Current1A (resistive)
Max Switching Power30W(DC) / 60VA(AC)
Working Temperature Range-20℃ ~ +55℃
Degree of ProtectionIP54
Norm ConformityR&TTE 1999/5/EC; EMC 89/336/EEC
MaterialABS
Housing ColorBlack/Silver
Dimensions (W*H*D)120mm*80mm*50mm
Net Weight0.215kg
Cable Length2.2m
Installation & Adjustment Guide
The sensor's performance is closely related to correct installation and adjustment. Simple operation with no professional tools required:
Mounting Requirements
Avoid vibration positions, neon lamp proximity and sensor occlusion; do not touch internal electronic parts during installation.
Sensitivity Adjustment
Rotate the sensitivity potentiometer gently and slowly; the sensitivity value determines the size of the detection field (adjust to 1/2 or higher for short detection distance).
Angle Adjustment
Planar antenna lateral angle = detection field position; vertical angle = detection field depth; set microwave module angle to ≥45° for optimal detection.
Status Check
LED flashes after power-on (normal standby); LED lights up continuously when a moving target is detected (detection trigger).
Troubleshooting Guide
Fault PhenomenonProbable CausesCorrective Action
Door does not open & LED no lightSensor power offCheck wiring connection and power supply validity
Door opens/closes constantlySensor detects door vibration/movement; interference source in detection rangeFix the sensor firmly; increase tilt angle/reduce sensitivity; remove interference sources in the detection field
Detection distance is too closeLow sensitivity; microwave module angle <45°; sensor blockedAdjust sensitivity potentiometer to 1/2 or higher; set module angle to ≥45°; remove occluding objects
Application Scenarios
The RD24-4S is a multi-scenario motion detection sensor with high adaptability, primarily applicable to:
  • Automatic Door Systems: Sliding doors, swing doors, glass induction doors (commercial buildings, shopping malls, office buildings)
  • Security & Monitoring: Perimeter security detection, indoor human motion induction (residential, factory, warehouse)
  • Industrial Automation: Conveyor belt motion detection, equipment start/stop induction (light industry production lines)
  • Intelligent Building: Smart lighting induction, air conditioning induction (public areas such as corridors and elevators)
Microwave motion sensor in operation showing detection field coverage RD24-4S sensor production and quality control process
Core Technologies
Microwave Doppler Radar Sensor 24.125GHz Radar Sensor Automatic Door Motion Detector Wide Field Detection Sensor IP54 Motion Sensor
Product Tags:

microwave motion sensor with fast response

  

temperature resistant microwave radar

  

easy install RD24-4S sensor

  
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Microwave Radar | RD24-4S | Easy Installation | Temperature Resistant Fast Response

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