Gabatarwa
This manual provides detailed instructions for the installation, operation, and maintenance of your Geloo 85MM Boat RPM Tachometer Gauge. Please read this manual thoroughly before installation and use to ensure proper function and longevity of the product.
Samfurin Ƙarsheview Bidiyo
Video 1: Geloo 85MM RPM Tachometer Gauge Overview. This video demonstrates the physical characteristics of the Geloo tachometer, including its waterproof capabilities and backlight color options. (Duration: 0:44)
Siffofin Samfur
- Faɗin Daidaitawa: This tachometer is designed to be compatible with various RPM sensors and is suitable for a broad range of vehicles and machinery, including cars, trucks, boats, diesel generator engines, gasoline engines, construction machinery, and agricultural machinery.
- Gina Mai Dorewa: Manufactured with a 316 stainless steel bezel, PVC, ABS, and curved glass, ensuring high quality and stable performance.
- IP67 Waterproof and Anti-Fog: Features an IP67 waterproof rating and anti-fog curved glass, allowing for clear data readability and normal operation even in harsh, humid, or acidic environments.
- Sauƙin Shigarwa: Designed for straightforward installation, requiring an 85mm (3 3/8") panel opening and a 55mm clearance behind the panel. The secure harness connector ensures proper function even under strong vibration.
- RPM Range and Voltage: Reads RPM from 0 to 6,000. Operates on 9-32V power systems and is compatible with 4, 6, 8, 10, or 12 cylinder gas-powered engines.
- Multi-Color Backlight: Features seven backlight colors (red, green, blue, white, yellow, cyan, purple) with an illuminated red needle for clear visibility at night. The backlight color can be changed manually or set to automatically cycle.

Figure 4: Durability Features. This image highlights the dustproof and IP67 waterproof capabilities of the tachometer, ensuring reliable performance in various conditions.
Ƙayyadaddun bayanai
| Siffa | Daraja |
|---|---|
| Alamar | Geloo |
| Lambar Samfura | CX8150 |
| Kayan abu | Acrylonitrile Butadiene Styrene (ABS), Glass, Stainless Steel |
| Girman Abu (L x W x H) | 4.5 x 4.5 x 3.11 inci |
| Nauyin Abu | 0.5 fam |
| Adadin Abubuwan | 1 |
| Farashin RPM | 0-6000 RPM |
| Mai aiki Voltage | 9-32V |
| Panel Opening Size | 85mm (3 3/8") |
| Launuka Hasken Baya | Red, Green, Blue, White, Yellow, Cyan, Purple |
| Kimar hana ruwa | IP67 |

Hoto 5: Girman Samfura. A detailed diagram illustrating the measurements of the tachometer gauge for installation planning.
Umarnin Shigarwa
Follow these steps for proper installation of your Geloo Tachometer Gauge:
- Shirya Ramin Dutsen: To install the gauge, you will need to create a circular opening in your panel. The required diameter for this hole is 85mm (3 3/8 inches). Ensure there is at least 55mm of clear space behind the panel for the gauge's body and wiring.
- Insert the Gauge: Carefully insert the tachometer gauge into the prepared hole from the front of the panel.
- Secure the Gauge: Use the provided mounting hardware (typically a retaining ring and nuts) to secure the gauge firmly in place from the back of the panel.
- Haɗin Waya: Connect the wiring harness to the back of the gauge. Refer to the wiring diagram below for correct connections. The harness connector is designed to snap securely, providing a stable connection even under vibration.
Haɗin Waya
Haɗa wayoyi kamar haka:
- Black Waya: Connect to Ground (-)
- Jar Waya: Connect to 9-32VDC Power (+)
- Blue Waya: Connect to RPM Signal Input
- Waya Rawaya: Connect to Backlight Power (+)
Tabbatar cewa duk haɗin yana amintacce kuma an keɓe shi don hana gajerun da'irori.

Hoto na 1: Tsarin Waya. This diagram illustrates the necessary electrical connections for the tachometer. Ensure correct polarity and signal wire connection for accurate readings.

Hoto na 2: Exampda Shigarwa. The image shows the tachometer gauge properly installed on a boat dashboard, demonstrating its flush fit and clear visibility.
Umarnin Aiki
Once installed and powered, the tachometer will display the engine's RPM. The digital display at the bottom shows accumulated operating hours (H).
Backlight Color Adjustment
The tachometer features multiple backlight colors. To change the backlight color:
- Locate the small button on the back of the gauge (refer to Figure 3).
- Short Press: Briefly press the button to cycle through the available backlight colors: Red (default) → Green → Blue → White → Yellow → Cyan → Purple → Automatic cycle.
- Yanayin atomatik: In automatic mode, the backlight color will switch automatically every 1 minute.

Figure 3: Backlight Control. This image highlights the button on the back of the gauge used to change backlight colors and illustrates the different color options.
Kulawa
The Geloo Tachometer Gauge is designed for durability and requires minimal maintenance. To ensure optimal performance and longevity:
- Tsaftacewa: Wipe the gauge's front face with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the curved glass or bezel.
- Dubawa: Periodically check the wiring connections for any signs of corrosion or looseness. Ensure the gauge remains securely mounted in the panel.
- Kariyar Muhalli: While the gauge is IP67 waterproof and anti-fog, prolonged exposure to extreme conditions beyond its design specifications should be avoided.
Shirya matsala
If you encounter issues with your tachometer, consider the following common troubleshooting steps:
- Babu Wuta/Nuni:
- Check the power (red wire) and ground (black wire) connections. Ensure they are securely connected and receiving the correct voltage (9-32V).
- Verify that the vehicle's battery is charged and providing adequate power.
- Incorrect RPM Reading:
- Ensure the RPM signal wire (blue wire) is correctly connected to the engine's tachometer output or ignition coil.
- Confirm that the tachometer is compatible with the number of engine cylinders (4, 6, 8, 10, 12 cylinder gas engines) for your vehicle. If issues persist, consult a professional.
- Backlight Not Working/Changing:
- Check the backlight power wire (yellow wire) connection.
- Ensure the button on the back of the gauge is functioning correctly when pressed.
- Fogging on Display:
- While designed to be anti-fog, extreme temperature changes or prolonged exposure to high humidity might temporarily affect visibility. Allow the gauge to acclimate to ambient conditions. If persistent, check for proper sealing during installation.
If these steps do not resolve the issue, please contact Geloo customer support for further assistance.
Garanti da Taimako
Geloo stands behind the quality of its products. Every gauge undergoes strict quality inspection before leaving the factory.
For any questions regarding the product, installation, or troubleshooting, please contact Geloo customer support. Refer to your purchase documentation or the official Geloo webshafin don takamaiman sharuɗɗan garanti da bayanin lamba.