3 In 1 Digital 52mm Gauge with Alarm | Water Temperature, Oil Pressure, and Voltage Monitor

MyPetiteCar.com

Monitor your engine's vital signs with a single, compact gauge. This 3 in 1 digital unit displays water temperature, oil pressure, and voltage in real time, helping you catch problems before they lead to costly repairs. Built for durability and easy installation, it is a smart upgrade for any vehicle or boat dashboard.

This gauge combines three essential readings into one 52mm housing, saving space and simplifying your dash layout. It uses a reliable MCU for stable performance and features a high-brightness LED backlight for clear visibility day or night. The IP67 rating means it is fully protected against dust and water, so it can handle tough environments like engine bays or marine cabins. Built-in alarms give you an extra layer of safety by alerting you when readings go outside safe ranges.

Key Features and Benefits

- Three-in-one display that shows water temperature, oil pressure, and voltage on a single gauge, reducing dashboard clutter.

  • Built-in alarm system that triggers alerts for high water temperature, low oil pressure, and low voltage, helping you avoid engine damage.
  • IP67 waterproof and dustproof construction that protects the gauge in wet or dusty conditions, ensuring long-term reliability.
  • 316 stainless steel housing that resists corrosion from moisture and chemicals, making it suitable for marine and automotive use.
  • High-brightness LED backlight that provides clear readings in both daylight and low-light conditions, improving visibility.
  • Sensor disconnect alarm that displays "OFF" if a sensor fails, so you know immediately if there is a connection issue.

Who Is This For

- Car and truck owners who want to monitor engine health with a single, space-saving gauge.

  • Boat and marine enthusiasts who need a waterproof, corrosion-resistant gauge for harsh saltwater environments.
  • DIY mechanics and custom builders looking for a reliable digital gauge with easy wiring and sensor compatibility.
  • Fleet operators who want to add proactive engine monitoring to reduce downtime and repair costs.

Usage Scenario

Mark was driving his off-road truck through a rocky trail when he noticed the temperature reading on his new gauge climbing past 95°C. The alarm sounded, giving him enough time to pull over and let the engine cool before any damage occurred. A quick check revealed a minor coolant leak he could fix on the spot. Without the gauge, he might have driven until the engine overheated, leading to a costly repair in the middle of nowhere.

Micro Comparison

Many single-function gauges only show one reading at a time, forcing you to install multiple units or switch between displays. This 3 in 1 gauge gives you water temperature, oil pressure, and voltage all at once, so you can see the full picture without extra wiring or dashboard space. The built-in alarms also mean you do not need to buy separate alert modules, saving both money and installation time.

Specifications

Specifications

Gauge Diameter: 52mm

Material: 316 stainless steel and plastic

Water Temperature Range: 0-120°C

Oil Pressure Range: 0-10 Bar

Operating Voltage: 9-32V DC

Operating Current: ≤60mA

Operating Temperature: -20 to 70°C

Storage Temperature: -30 to 80°C

Waterproof Rating: IP67

Water Temperature Sensor Thread Sizes: 10mm, 14mm, 17mm, 21mm

Oil Pressure Sensor Thread: 1/8 NPT

Alarm Trigger: Water temp more than 95°C, Oil pressure less than 0.8 Bar, 12V system less than 11.5V, 24V system less than 22V

Package Includes

- 1 x Gauge

  • 1 x Instruction Manual
  • 1 x Oil Pressure Sensor
  • 1 x Water Temperature Sensor
  • 1 x Cable

Why You Will Love It

This gauge gives you peace of mind on every drive. Instead of guessing your engine's condition, you get clear, real-time data that helps you react before a small issue becomes a big problem. The rugged build and simple installation make it a practical tool you can rely on for years.

Questions and Answers

Question: Does this gauge work with a 12V or 24V system?

Answer: Yes, it works with both 12V and 24V systems. The operating voltage range is 9-32V DC.

Question: What sensors are included in the package?

Answer: The package includes one oil pressure sensor with a 1/8 NPT thread and one water temperature sensor with multiple thread adapters (10mm, 14mm, 17mm, 21mm).

Question: What does the alarm do if the water temperature gets too high?

Answer: The alarm triggers when the water temperature exceeds 95°C, giving you a warning to stop and check your engine before it overheats.

Question: Is this gauge waterproof?

Answer: Yes, it has an IP67 waterproof and dustproof rating, so it can handle wet conditions like rain, splashes, or marine environments.

Question: Can I use this gauge in a boat?

Answer: Yes, it is suitable for boats, cars, trucks, and other vehicles. The 316 stainless steel housing resists corrosion from saltwater and moisture.