52mm Water Temperature Voltage Gauge Digital LED Display | Dual Readout for 12V/24V Cars
Keep an eye on your engine's health with this 52mm digital gauge that displays both water temperature and voltage on a single, easy-to-read LED screen. It is designed for drivers who want a clear, real-time overview of two critical vehicle systems without cluttering the dashboard with separate gauges.
This gauge uses a bright blue LED backlight to show water temperature from 40-140℃ and voltage from 9-32V. It is built with a durable ABS shell, an aluminum cycle, and an acrylic mirror, making it a solid addition to any 12V or 24V gasoline vehicle. The sensor thread is 1/8ZG for straightforward installation.
Two built-in alarms help you catch problems early. A water temperature alarm triggers when the engine exceeds 100℃, and a voltage alarm activates when the system drops below 11.4V. This dual-function design lets you monitor two vital metrics through one compact unit, saving space and simplifying your view.
Key Features and Benefits
- Dual digital display that shows water temperature and voltage on one gauge for a cleaner dashboard layout
- Blue LED backlight that provides clear visibility in low-light conditions for easy reading day or night
- Water temperature alarm at 100℃ that alerts you to potential overheating for timely action
- Voltage alarm below 11.4V that warns of low system voltage to help prevent battery or alternator issues
- ABS shell with aluminum cycle construction that offers durability and a modern look
- Compatible with both 12V and 24V gasoline vehicles for flexible installation
Who Is This For
- Car owners who want a combined temperature and voltage monitor in one compact gauge
- DIY mechanics adding aftermarket gauges to track engine health more closely
- Drivers of 12V or 24V gasoline vehicles looking for an affordable upgrade to their dashboard
Usage Scenario
Mike installed this dual gauge in his off-road truck after his old setup left him guessing about engine temps. During a long climb on a hot day, the blue display caught his eye as the water temp alarm flashed at 100℃. He pulled over, let the engine cool, and avoided a potential breakdown. Now he checks both temp and voltage at a glance before every trip.
Micro Comparison
Many single-purpose gauges only track temperature or voltage, forcing you to install two separate units. This 52mm model combines both readings into one compact display with a shared blue LED backlight. It also includes alarms for both metrics, giving you a more complete picture of your vehicle's electrical and cooling systems without the extra wiring and dashboard space.
Specifications
Backlight: Blue
Display Range: 40-140℃ / 9-32V
Water Temp Alarm: 100℃
Voltage Alarm: 11.4V
Application: 12V / 24V Vehicles
Materials: ABS shell, Aluminum cycle, Acrylic mirror
Sensor Thread: 1/8ZG
Item Size: 57mm x 52mm x 40mm / 22.4 in x 20.5 in x 15.7 in
Item Weight: 0.25 kg / 8.8 oz
Please allow 1-3 cm / 0.4-1.2 in difference due to manual measurement.
Package Includes
- 1 x Water Temperature Voltage Gauge
- 1 x Sensor
- 1 x Wiring Harness
Why You Will Love It
You get two critical engine readings in one compact gauge, which means less clutter and more clarity on the road. The bright blue display and simple alarms give you confidence that you will spot problems before they escalate. It is a straightforward, practical upgrade for anyone who values engine health and a tidy dashboard.
Questions and Answers
Question: Will this gauge work in a diesel truck?
Answer: It is designed for 12V and 24V gasoline vehicles. Check your vehicle's voltage and fuel type before purchase.
Question: How do I install the sensor?
Answer: The sensor uses a 1/8ZG thread. You will need to install it into a compatible water port on your engine block or radiator.
Question: Can I dim the blue backlight at night?
Answer: The backlight is fixed brightness. It is designed to be clear and readable in all lighting conditions.
Question: Does it come with a mounting bracket?
Answer: Yes, the package includes a wiring harness and sensor. You may need a separate gauge pod or bracket for your specific dashboard.
Question: What happens if the voltage drops below 11.4V?
Answer: The gauge will trigger a voltage alarm to alert you. This helps you check your battery or alternator before a failure occurs.






