Speed Sensor HDD2L16NA/20 — Replaceable Sensor for Refrigeration Equipment
Product Description
The HDD2L16NA/20 Speed Sensor is a precision-engineered component designed for reliable speed detection in refrigeration compressors, diesel engines, and industrial cooling systems.
It provides stable and accurate rotational speed feedback for control units, ensuring optimal compressor efficiency and protection against over-speed conditions.
Constructed with high-quality stainless steel and advanced magnetic sensing elements, this sensor offers exceptional durability and resistance to vibration, moisture, and temperature variations — making it ideal for long-term use in demanding industrial environments.
This model is a direct replacement type, easy to install, and fully compatible with a wide range of Carrier Transicold, Thermo King, and other refrigeration systems requiring accurate speed signal input.
Key Features
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High Accuracy Detection: Provides precise speed feedback to control systems.
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Durable Structure: Resistant to oil, vibration, and harsh temperature changes.
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Plug-and-Play Replacement: Compatible with multiple refrigeration equipment models.
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Stable Signal Output: Ensures consistent monitoring and reliable compressor performance.
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Long Service Life: Built for continuous operation in commercial and industrial applications.
Applications
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Transport refrigeration units (Truck, Trailer, Container)
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Industrial compressors and cold storage systems
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Diesel engine speed control
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HVAC and air conditioning equipment monitoring
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Marine and agricultural machinery
Technical Specifications
| Parameter | Description |
| Model | HDD2L16NA/20 |
| Type | Magnetic / Inductive Speed Sensor |
| Working Principle | Magnetic Field Detection of Rotational Speed |
| Supply Voltage | DC 8–32V |
| Output Signal | Frequency Pulse Output |
| Detection Target | Ferromagnetic Gear Tooth / Shaft |
| Thread Size | M16 × 1.5 |
| Length | Standard / Customizable |
| Material | Stainless Steel Housing |
| Connector Type | 2-Pin / 3-Pin Plug (customized available) |
| Operating Temperature | -40°C ~ +125°C |
| Protection Rating | IP65 / IP67 |
| Condition | Brand New |
| Warranty | 12 Months |
| Origin | China (Factory Direct Supply) |
Advantages
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Easy replacement and installation without modification
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Ensures stable and accurate speed detection even under high load
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Designed for long-term performance in refrigeration and mechanical environments
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High sensitivity and signal consistency reduce system faults
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Widely applicable to global refrigeration and industrial systems
Quality & Service
All sensors are individually tested for electrical performance, frequency accuracy, and environmental endurance before shipment.
We provide OEM customization, technical support, and fast worldwide delivery for all refrigeration electronic components.
Frequently Asked Questions
Q1: When will you arrange the delivery?
A: Typically within 1-2 weeks after payment, with continuous updates on shipment status until delivery.
Q2: Do you test all your goods before delivery?
A: Yes, we perform 100% testing prior to shipment.
Q3: Can we get technical training?
A: We provide comprehensive training covering installation, operation, and maintenance.
Q4: What is your product warranty?
A: 12-month warranty with lifetime maintenance support (shipping costs shared during warranty period).
Q5: How do you maintain long-term business relationships?
A: We prioritize product quality, competitive pricing, and treating every customer as a valued partner.
