Zhonghe ZH1251A Speed Transmitter with No Relay Alarm Design Modular High Accuracy Rotational Speed Sensor
Price:
Negotiations
MOQ:
1
Delivery Time:
Negotiable
Brand:
Zhonghe
Product Description
Zhonghe ZH1251A Pure Transmission Output Speed Sensor
No Relay Alarm Design for Industrial Speed Monitoring Applications
Product Overview
The ZH1251A series speed transmitter, when paired with magnetoresistive or magnetic speed sensors, provides precise rotational speed measurement for rotating machinery. This transmitter delivers current output proportional to rotational speed and interfaces seamlessly with DCS, PLC systems, and paperless recorders.
Key Features
- Modular design for easy installation and maintenance
- High accuracy with stable performance
- Strong anti-interference capability
- High reliability in industrial environments
- Wide application across power, machinery, chemical, and metallurgical industries
- Ideal for monitoring system design and technical renovation projects
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ZH1251A |
| Working Power Supply | DC+24V |
| Power Consumption | < 5W |
| Input Signal | SZCB series reluctance speed sensor, SMCB-01 magnetic speed sensor, or DWQZ eddy current sensor |
| Measurement Range | 0~15000 rpm (customizable per ordering instructions) |
| Number of Teeth | 1 to 99 (customizable per ordering instructions) |
| Current Output | (4~20) mA or (0~10) mA Accuracy: ±1.0% of full scale Maximum Load: 500Ω |
| Alarm System | Maximum 2 points Arbitrarily set within full scale LED alarm indicator Relay switch output with normally open/closed contacts Capacity: 28VDC/2A, 250VAC/1A |
| Operating Environment | Free from corrosive substances and strong magnetic fields Operating Temperature: 0~50℃ Storage Temperature: -40~60℃ Relative Humidity: 20~90% (non-condensing) |
| External Dimensions | 100*113.5*45mm | 100*113.5*67.5mm | 100*113.5*22.5mm |
Applications
Monitoring and protection of shaft speed for rotating machinery including steam turbines, compressors, blowers, and other industrial equipment requiring precise speed measurement and control.
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Company
OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED
Location
NO. 7-A5, ZHONGHANGBEIYUAN BUILDING, 42 ZHONGHANG ROAD, HUAQIANGBEI SUBDISTRICT, FUTIAN DISTRICT, SHENZHEN , CHINA
Contact Person
Biona