Zhong He XJZC-03A Speed & Impacter Monitor
The Zhong He XJZC-03A Speed & Impacter Monitor is a high-performance digital RPM gauge specifically engineered for turbine protection, integrating precise speed measurement and emergency shutoff monitoring in one rugged, industrial-grade device.
Key Features
- Advanced ARM high-performance embedded processor for exceptional measurement accuracy
- ±1rpm error with 1rpm resolution and display range up to 99999 rpm
- Configurable range of 0~12000 rpm to meet diverse turbine operating needs
- 5-digit digital display for clear, real-time RPM reading
- Receives two emergency shutoff signals (impactor signals)
- Records impactor deployment and retraction speeds for comprehensive analysis
- Outputs 4~20mA analog current signals and alarm contact signals
- Easy integration with DCS, PLC systems, and paperless recorders
- Dual configuration methods: PC software or on-device keys
- RS485 communication interface (MODBUS-RTU protocol) for remote monitoring up to 1200m
- Power-on/off interference suppression prevents false alarms
- Industrial standard panel-mount design for easy installation
Applications
Widely applicable in power generation, steel manufacturing, petrochemical, and wind power industries. Designed for rotating machinery like turbines, delivering reliable performance in harsh industrial environments.
Technical Specifications
| Input Signal |
SZCB-01 magneto electric speed sensor |
| Speed Display |
4-digit LED digital display, 0~9999 RPM, accuracy: ±1 RPM |
| Clock Display |
6-digit LED display (hour:minute:second) |
| Speed Measuring Teeth |
60 teeth |
| Current Output |
4-20 mA linear output, accuracy: ±1.0% full range, max load: 500Ω |
| Alarm Settings |
Three points: one overspeed point, two emergency trip points |
| Power Supply |
220VAC ±10% 50Hz ±5%, power consumption <10W |
| Operating Environment |
Temperature: 0~50℃ (extreme -10~60℃), Humidity: 20-90% non-condensing |
| Dimensions |
160mm × 80mm × 225mm (W×H×D) |
| Installation |
Panel mount, cutout: 152mm × 76mm (W×H) |
Reliability & Protection
The XJZC-03A retains all set parameters during power outages, protects historical data, and features self-locking alarm output function within 30-45 seconds after power-on. Automatic memory storage maintains peak values and historical alarm status for comprehensive operational analysis.