Marine Gauges, including GPS speedometers, tachometers, temperature sensors, and engine instruments, are vital components for boats. They provide essential data for navigation, monitoring engine performance, and ensuring a safe and efficient boating experience. These instruments are commonly integrated into a boat's dashboard or instrument panel, offering real-time information for captains and crew.
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1-2 weeks delivery time The Hollex HFIO1852 Series is a 4-in-1 digital alarm instrument designed for 9–32V DC systems (12V/24V), combining voltage, oil pressure, coolant temperature, and engine check functions. It features a Ø59 mm round housing with a 52 mm installation cut-out, IP67 protection rating, and integrated digital display. Constructed from stainless steel 316 and polyester, and available in black or white versions, it provides compact monitoring of key engine parameters.
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$ 34.79
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1-2 weeks delivery time The Hollex HAMG1352 Series is an analog ammeter designed for 9–32V DC systems (12V/24V) with a measurement range up to 80A and supplied with a shunt. It features a Ø59 mm round housing with a 52 mm installation cut-out, IP67 protection rating, and analog display. Constructed from stainless steel 316 and polyester, and available in black or white versions, it provides reliable current monitoring for marine electrical systems.
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$ 79.56
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1-2 weeks delivery time The Hollex HVWG Series voltmeters are analog instruments designed for 9–32V DC systems, available with 8–16V (12V systems) and 18–32V (24V systems) measurement ranges. They feature a Ø59 mm round housing with a 52 mm installation cut-out and IP67 protection rating. Constructed from stainless steel 316 and polyester, and available in black or white versions, they provide reliable voltage monitoring for marine electrical systems.
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$ 34.70
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1-2 weeks delivery time The Hollex HWTG Series cooling water temperature gauges are analog instruments for 9–32V DC systems, designed to measure engine cooling water temperature up to 120°C. They feature a Ø59 mm housing with a 52 mm installation cut-out, IP67 protection class, and stainless steel 316 construction. Available in black and white versions, these gauges provide reliable temperature monitoring for marine engines in both 12V and 24V systems.
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$ 34.70
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1-2 weeks delivery time The Hollex HOPG Series oil pressure gauges are analog instruments for 9–32V DC systems, available with 0–5 Bar and 0–10 Bar measurement ranges. They feature a Ø59 mm housing with a 52 mm installation cut-out, IP67 protection class, and stainless steel 316 construction. Designed for 12V and 24V systems, and available in black or white versions, these gauges provide reliable oil pressure monitoring for marine engines.
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$ 34.70
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1-2 weeks delivery time The Hollex HOTG Series oil temperature gauges are analog instruments for 9–32V DC systems, designed to measure oil temperature in the range of 50–150°C. They feature a Ø59 mm housing with a 52 mm installation cut-out, IP67 protection class, and stainless steel 316 construction. Suitable for 12V and 24V systems and available in black or white versions, these gauges provide reliable oil temperature monitoring in marine applications.
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$ 34.70
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1-2 weeks delivery time The Hollex HRAG Series rudder angle gauges are analog instruments for 9–32V DC systems, designed to display rudder position from port to starboard with a resistance range of 0–190 Ohm. They feature a Ø59 mm housing with a 52 mm installation cut-out, IP67 protection class, and stainless steel 316 construction. Suitable for 12V and 24V systems and available in black or white versions, these gauges provide reliable rudder position indication for marine navigation.
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$ 34.70
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1-2 weeks delivery time The Hollex HRAG Series Type 2 rudder angle gauges are analog instruments for 9–32V DC systems, designed with a 40°/40° port–starboard scale and 0–190 Ohm resistance range. They feature a Ø93 mm housing with an 85 mm installation cut-out, IP67 protection class, and stainless steel 316 construction. Suitable for 12V and 24V systems and available in black or white versions, these gauges provide accurate rudder position indication for marine navigation.
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$ 72.53
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1-2 weeks delivery time The Hollex HDTG Series digital RPM/hour meters are designed for 9–32V DC systems, providing combined measurement of engine speed and operating hours with a 0–9999 RPM/hour display range. They feature a Ø59 mm housing with a 52 mm installation cut-out, digital display, and IP67 protection class. Constructed from stainless steel 316 and polyester, and available in black or white versions, these meters ensure reliable engine monitoring for 12V and 24V marine systems.
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$ 188.86
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1-2 weeks delivery time The Hollex HTHG Series RPM/hour meters are analog instruments designed for 9–32V DC systems, providing combined measurement of engine speed and operating hours. Available with scale ranges of 0–3000, 0–4000, or 0–6000 RPM, these gauges feature a Ø93 mm housing with an 85 mm installation diameter and IP67 protection. Constructed from stainless steel 316 and polyester, they are suitable for 12V and 24V marine applications and offered in black or white finishes.
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$ 86.92
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1-2 weeks delivery time The Hollex HRTG Series trim gauges are analog instruments designed for 9–32V DC systems with a resistance range of 0–190 Ohm. They feature a Ø59 mm housing with a 52 mm installation diameter, IP67 protection, and red backlight. Constructed from stainless steel 316 and polyester, these gauges are suitable for 12V and 24V marine applications and available in black or white finishes.
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$ 34.70
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1-2 weeks delivery time The Hollex HEXM Series exhaust temperature gauges are analog instruments designed for 9–32V DC systems with a temperature range of 0–80°C. They feature a Ø59 mm housing with a 52 mm installation diameter and IP67 protection. Constructed from stainless steel 316 and polyester, these gauges are suitable for 12V and 24V marine applications and available in black or white finishes.
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$ 100.79
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1-2 weeks delivery time The Hollex HHTG Series wastewater level gauges are analog instruments designed for 9–32V DC systems with a resistance range of 240–33 Ohm. They feature a Ø59 mm housing with a 52 mm installation diameter, IP67 protection, and L–H–F level indication. Constructed from stainless steel 316 and polyester, these gauges are suitable for 12V and 24V marine applications and available in black or white finishes.
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$ 34.70
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1-2 weeks delivery time The Hollex HFTS0190 is a fuel level float sensor with a resistance range of 0–190 Ohm, designed for accurate fuel measurement in marine tanks. It operates on 12V/24V VDC systems and ensures compatibility with standard onboard gauges. The sensor provides reliable and precise fuel level monitoring for marine applications.
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$ 40.08
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1-2 weeks delivery time The Hollex HFWS Series diesel/water tank sensors are tube float level sensors designed for 12V/24V VDC systems with a resistance range of 0–190 Ohm. They feature a Ø54 mm body, SAE 5 flange, and 30 mm installation diameter. Available in lengths from 150 mm to 800 mm, these sensors are suitable for diesel and water tank level monitoring in marine applications.
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$ 36.81
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1-2 weeks delivery time The Hollex HWWS Series waste water level senders are tube float sensors designed for 12V/24V VDC systems with a resistance range of 240–33 Ohm. They feature a Ø54 mm body, SAE 5 flange, and 30 mm installation diameter. Available in lengths from 200 mm to 500 mm, these senders are designed for accurate waste water tank level monitoring in marine applications.
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$ 52.86
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1-2 weeks delivery time The Hollex HOPS Series oil pressure sensors are pressure senders for 12V/24V VDC systems with M10 x 1.0 thread, available in 0–5 Bar and 0–10 Bar versions. The series includes 1-pole and 2-pole variants, with or without warning contact, and mass-free versions where specified. These sensors are designed for accurate oil pressure monitoring in marine and engine applications.
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$ 32.61
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1-2 weeks delivery time The Hollex HOTS Series oil temperature sensors are designed for 12V/24V VDC systems with M14 x 1.5 thread and a measuring range up to 150°C. The series includes standard and warning contact versions (130°C), providing reliable oil temperature monitoring for marine and engine applications.
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$ 23.16
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1-2 weeks delivery time The Hollex HWTS Series water temperature sensors are designed for 12V/24V VDC systems with M14 x 1.5 thread and a temperature range up to 120°C. The series includes standard, mass-free, and warning contact (96°C) versions, providing reliable water temperature monitoring for marine engine applications.
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$ 18.91
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1-2 weeks delivery time The Hollex HRAS0190 is a 0–190 Ohm steering position sensor for 12V/24V VDC systems, designed for single installation applications. It provides accurate rudder position feedback for reliable monitoring and safe vessel operation.
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$ 38.62
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What are the primary functions of a marine gauge set (tachometer, oil pressure gauge, fuel gauges, etc.) on a boat?
The primary functions of a marine gauge set on a boat include monitoring essential systems such as fuel levels, speed, and engine performance. A typical boat gauge set, featuring top brands like Faria and Sierra, may include a trim gauge, fuel gauges, and a speed dial, ensuring comprehensive oversight of your boat's operation. Upgrading your boat with a Faria Chesapeake gauge set not only enhances functionality but also adds to the aesthetic appeal with its marine white dial design.
For precise engine monitoring, explore our VDO Boost Gauge, designed for accurate performance tracking.
For optimal performance tracking and reliable RPM monitoring, explore our range of Boat Tachometer options built specifically for marine conditions.
How do water temperature gauges help maintain optimal engine performance on a boat?
Water temperature gauges in a boat gauge set help maintain optimal engine performance by providing real-time monitoring of the engine's temperature, allowing the operator to identify and address overheating issues promptly. Top brands offer reliable and accurate marine white and black dial gauges, ensuring clear visibility and precise readings. Upgrading your boat with a water temperature gauge can enhance engine safety and longevity, with gauges available for shipping from our shop.
As part of a comprehensive Marine Navigation System, these gauges contribute to overall vessel awareness and safe operation.
Pairing these instruments with a trusted Boat Speedometer completes your dashboard for comprehensive engine management.
What specific instruments are included in a typical boat gauge set?
A typical boat gauge set includes essential instruments such as a tachometer, oil pressure gauge, fuel gauge, and water temperature gauge. Gauges today ensure precise monitoring of various engine and system parameters. For pro performance, these sets often include high-quality components and ship the same day, ensuring you can upgrade your boat's instrumentation promptly.
For reliable fuel level measurement in marine environments, check out Marine Fuel Sending Unit, designed for accuracy and durability.