Ultrasonic Sensor Compact IoT Smart-City Distance Sensor | MRR-1 Series
The Yujie MRR-1 series is a compact threaded-mount ultrasonic sensor with a very small blind zone. Its threaded design allows quick installation, and the sensor supports battery power. It is particularly suitable for smart-city, smart-home or IoT devices for distance and level monitoring. The small form factor enables easy integration, enhancing system intelligence.
Features & Applications
Technical Specifications
Each product is organized for procurement review: core performance, fit and mounting, operating limits, integration notes, and RFQ-ready supply terms.
Application Fit
- •Liquid and Solid Level Measurement (Tanks, Totes, Processing)
- •Bulk Material Management
- •Factory automation
- •Position Detection
- •Collision avoidance systems
- •Smart parking systems
Features
- ✔Compact Threaded Design – Quick M18 installation in tight spaces
- ✔Battery Power Compatible – 3.6-5V DC for IoT and mobile applications
- ✔Very Small Blind Zone – Ideal for close-range distance measurement
- ✔TEACH-IN Functionality – Easy calibration and setup
- ✔Temperature Compensation – Maintains accuracy across temperature changes
- ✔High-Quality Housing – Chemical-resistant PBT/FRP materials
Applications
- •Liquid and Solid Level Measurement (Tanks, Totes, Processing)
- •Bulk Material Management
- •Factory automation
- •Position Detection
- •Collision avoidance systems
- •Smart parking systems
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Share sensing range, target type, output requirement, housing constraints, and environmental conditions for an RFQ-ready recommendation.
Request Specifications & Pricing for MRR-1 Series
Get detailed datasheets, OEM pricing, and lead time for the MRR-1 Series. Sensor evaluation MOQ typically starts from 10 pcs for standard models, depending on interface and housing choice. Available documents generally include outgoing functional QC data, electrical checks, and batch inspection records.
The email opens pre-filled with a short spec checklist — partial details are fine. Typical reply within one business day.
Highlights
- •Housing made of high-quality stainless steel/PBT (Chemical Resistance)
- •Battery powered compatible (3.6-5V DC option)
- •TEACH-IN functionality
- •Temperature compensation
Key Specifications
Performance
| Sensing Distance | 100 … 1000 mm (50 … 800 mm) |
|---|---|
| Adjustment Range | 100 … 1000 mm (50 … 800 mm) |
| Unusable Area | 0 … 100 mm (0 … 50 mm) |
| Transducer Frequency | About 200 kHz |
| Response Delay | About 125 ms |
| Resolution | 0.11 mm at max. sensing range |
| Deviation of Characteristic Curve | ±1% of full-scale value |
| Repeat Accuracy | ±0.1% of full-scale value |
| Load Impedance | > 1k Ohm |
Mechanical
| Housing Material | PBT OR FRP |
|---|---|
| Transducer Material | Epoxy resin/hollow glass sphere; Polyurethane foam |
| Weight | 48 g |
Operating Limits
| Operating Voltage | 10 … 30 VDC, ripple 10%ss (3.6 - 5 VDC) |
|---|---|
| No-load Supply Current | ≤ 20 mA |
| Temperature Influence | ±1.5% of full-scale value |
| Ambient Temperature | -25 … 70 ℃ |
| Storage Temperature | -40 … 85 ℃ |
| Protection Grade | IP67 |
Integration
| Product Name | 4 Pin Connector Plastic PZT Ultrasonic Waterproof Sensor |
|---|---|
| Model Number | UM4000 Series (M18) |
| Brand Name | YUJIE |
| Standard Target Plate | 100 mm × 100 mm |
| Indicators | LED yellow, LED red |
| Output Type | 1 output UART TTL |
| Connection | Connector M12x1, 4 PIN |
| Wiring Colors | Brown, White, Blue, Black (Standard M12) |
Procurement
| MOQ / Sample Policy | Sensor evaluation MOQ typically starts from 10 pcs for standard models, depending on interface and housing choice. |
|---|---|
| Sample Lead Time | Standard sample lead time is usually 5-10 working days after output type and environment requirements are confirmed. |
| Production Lead Time | Typical production lead time is 3-5 weeks depending on quantity, interface changes, and housing customization. |
| Customization Scope | Common OEM options include output type, cable or connector interface, sensing window, housing material, and sealing level. |
| Available Documents & Reports | Available documents generally include outgoing functional QC data, electrical checks, and batch inspection records. |