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Product Description
CWZ-1 Propeller Revolution Indicator (watertight)
Product Introduction
Our Watertight Propeller Revolution Indicator is engineered for critical propulsion monitoring in demanding marine environments. Designed with a fully sealed IP68-rated housing, this indicator reliably operates under exposure to heavy spray, high humidity, and temporary submersion. It provides precise, real-time RPM (Revolutions Per Minute) data of the propeller shaft, enabling optimal engine performance, fuel efficiency, and enhanced operational safety for vessel operators. Its robust construction ensures durability against vibration, salt corrosion, and harsh weather conditions, making it a vital component in engine control rooms and onboard monitoring systems.
Drawing

Technical Data
| Power Supply | DC24V(+30%~-25%) |
| Measuring range | ±30~±999r/min |
| Measuring accuracy | 1% |
| Environment temperature | -20°~+60° |
| Working mode | continuous |
| Parallel connected tachomete | 4 |
Core Features
1.Superior Watertight Protection: Features an IP68-certified enclosure with high-grade seals and marine stainless-steel hardware, offering exceptional resistance to water, oil, and dust ingress.
2.High-Precision Monitoring: Utilizes advanced, non-contact sensing technology for accurate, drift-free RPM measurements, crucial for performance logging and maintenance scheduling.
3.Excellent Readability: Equipped with a large, high-contrast analog dial or a bright digital display, ensuring clear visibility in all lighting conditions.
4.Easy Installation & Integration: Compact, panel-mount design for straightforward installation. Offers standard 4-20mA or digital outputs for seamless connection to data acquisition and control systems.
5.Low Maintenance & High Reliability: Built with marine-grade components and solid-state electronics for minimal upkeep and maximum service life in tough conditions.
Applications
Ideal for installation in engine rooms, steering gear compartments, and bridge consoles of commercial ships, workboats, offshore vessels, and yachts where reliable watertight performance is essential.
Propeller Revolution Indicator

Propeller Revolution Indicator Connection Diagram
