Intelligent Key Phase Rotation Speed Monitoring Protector

This product delivers cost-effective continuous monitoring and protection functions for large rotating machinery. It is a specially designed and developed solution for continuous monitoring and protection of mechanical equipment ranging from moderately critical to low-criticality assets across multiple industrial sectors, and is applicable to petrochemical, oil & gas, power generation, water treatment, pulp and paper, machinery processing, mining, cement and other industries. It covers large rotating machinery including large feed water pumps, chemical process pumps, large cooling tower fans, tunnel ventilators, blowers, induced draft fans, coal mills, centrifuges, mixers, large agitators, turbo compressors, reciprocating compressors, drive motors, generators, water turbines and more.

## Technical Specifications

- 3.5-inch touch screen for human-machine interface

- Dual-channel rotational speed measurement display with resolution accuracy of ±1 RPM; proportional progress bar display with resolution accuracy of 1%, maximum measuring range up to 65,000 RPM

- Maximum rotational speed value memory function

- Capable of monitoring zero speed of rotating machinery and outputting zero-speed alarm signals

- Rotational speed sensor input (supporting eddy current, Hall effect and magnetoresistive speed sensors); real-time monitoring and display of sensor gap voltage

- 2-channel analog output (4~20mA output by default, 2-10V output optional)

- 4 digital relay outputs (alarm, danger, zero speed, sensor fault) with dynamic relay status indication (250V AC 5A / 30V DC 5A)

- Modifiable parameters for each channel including sensor type, alarm threshold, danger threshold, alarm delay and measuring range

### Temperature Characteristics

- Storage temperature range: -50～+100℃

- LCD operating temperature range: -20～+70℃

- Circuit operating temperature range: -40～+85℃

### Electromagnetic Compatibility Standards

- EN 61000-6-4/A1:2011

- EN 61000-6-2:2005