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HPT604-GT Fuel Level Sensor for Generator Lower Fuel Tanks

The HPT604-GT fuel level sensor delivers precise liquid level measurement for generator lower tanks and industrial fuel systems. Designed for harsh environments, it supports oil, water, chemical, and marine applications. With high accuracy output options like 4-20mA and RS485, it ensures stable monitoring across HVAC, wastewater, and vehicle systems. Ideal for engineers and industrial automation users needing reliable and long-term performance.

Category Level Sensors
Brand Holykell
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Technical details and application highlights

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The HPT604-GT fuel level sensor is engineered for accurate and stable liquid level monitoring in generator lower fuel tanks and industrial storage systems. Designed to meet demanding industrial requirements, this sensor provides consistent performance across sectors such as oil & gas, water treatment, HVAC systems, marine environments, and process automation. Its robust construction and flexible output options make it a reliable solution for modern fuel management and liquid level control applications.

Key Features

  • High precision measurement with up to ±0.25% accuracy
  • Wide level range customization for diverse tank sizes
  • Multiple output signals including 4-20mA, 0-5V, and RS485 Modbus
  • Fast response time ≤10ms for real-time monitoring
  • IP68 waterproof protection for submerged operations
  • Wide operating temperature range from -40°C to 80°C

Design & Functionality

Built with durable SUS304 stainless steel compatibility, the HPT604-GT is suitable for non-corrosive liquids such as diesel, oil, and water. The compact probe design allows easy installation in confined generator tanks and industrial containers. Its fixed cable connection ensures stable signal transmission even in high-vibration environments like vehicles and marine engines.

Total Crossed Beams

The sensor utilizes advanced sensing elements that ensure accurate signal detection across the entire measurement range. This enhances reliability in fluctuating liquid levels commonly found in fuel storage systems and process tanks.

Beam Pitch Options

Flexible customization of level ranges from 150mm to 2500mm allows the sensor to adapt to different tank geometries. This makes it ideal for both compact generator tanks and larger industrial storage units.

Intrinsic Synchronism

With integrated temperature compensation (0°C to 80°C), the sensor maintains consistent accuracy even under varying thermal conditions. This ensures synchronized performance across different industrial environments.

Operational Advantages

The HPT604-GT improves operational efficiency by enabling precise fuel monitoring, reducing downtime, and preventing overflow or dry-run conditions. It is widely used in oil & gas facilities, wastewater plants, chemical processing units, HVAC systems, marine vessels, and vehicle fuel systems. Its durability, accuracy, and versatility make it an essential component for industrial automation and process control systems.

ParameterHPT604 (Type GT)
Level Range150–2500mm (RS485 Modbus), 500–2500mm (4-20mA & 0-5V)
AccuracyDigital: ≤±0.25% F.S
 Analog: ≤±0.25% (2–2.5m), ≤±0.5% (1–2m), ≤±1.0% (0.5–1m)
Temp Compensation0°C to 80°C
Working Temp-40°C to 80°C
Medium CompatibleSUS304 Stainless Steel
Output4-20mA, 0-5V, RS485 Modbus RTU
Power Supply7-30VDC, 8-30VDC, 3.6-5VDC
Electronic ConnectionFixed Cable
Response Time≤10ms
Pressure TypeGauge Pressure
WaterproofIP68
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