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Hollex HFIO1852 Series – 4-in-1 Alarm Instrument 9-32V, Ø59 mm, Cut-out Ø52 mm, IP67 (Black / White)
The Hollex HFIO1852 Series is a multifunctional 4-in-1 alarm instrument designed for monitoring essential engine and electrical parameters in marine systems. It operates within a voltage range of 9–32V DC, making it suitable for both 12V and 24V installations.
This compact instrument integrates four key functions in a single unit: battery voltage, oil pressure, coolant temperature, and engine check indication. The digital display allows clear monitoring of system status, helping to detect potential issues during operation.
The unit features a round housing with a 59 mm outer diameter and a 52 mm installation cut-out, allowing easy installation in standard dashboards. With an IP67 protection rating, it is resistant to water and dust, ensuring reliable performance in marine environments.
Key Features
- 4-in-1 multifunction alarm instrument
- Functions: voltage, oil pressure, coolant temperature, engine check
- Voltage range: 9–32V DC (12V / 24V systems)
- Digital display
- IP67 protection class
- Round housing design
- Available in black and white versions
- Durable construction: stainless steel 316 and polyester
Available Variants
Product Number Color Functions Installation Diameter HFIO1852B Black Voltage / Oil / Temperature / Engine Check 52 mm HFIO1852W White Voltage / Oil / Temperature / Engine Check 52 mm
Technical Specifications
Brand Hollex Instrument Type Alarm Instrument Display Type Digital Voltage 9–32V DC (12V / 24V) Functions Voltage, Oil Pressure, Coolant Temperature, Engine Check Protection Class IP67 Shape Round Product Diameter 59 mm Installation Diameter 52 mm Material Stainless Steel 316, Polyester -
