MAIMEIMI CX8005B
MAIMEIMI 0-6000 RPM Tachometer Gauge (Model CX8005B) Instruction Manual
For 1-10 Cylinder Diesel and Gasoline Engines
1. Киришүү
This manual provides detailed instructions for the installation, operation, and maintenance of your MAIMEIMI 0-6000 RPM Tachometer Gauge. This 85mm (3-3/8") gauge is designed to accurately display engine RPM and includes an hour meter function. It is compatible with a wide range of vehicles, including cars, trucks, boats, and other marine applications, supporting 1-10 cylinder diesel and gasoline engines.
The gauge features a durable stainless steel construction, curved tempered glass, and an HD screen for excellent readability. It is also IP67 waterproof, dustproof, and anti-fogging, ensuring reliable performance in various environments.

Image: MAIMEIMI Tachometer Gauge demonstrating universal compatibility with 12V and 24V systems, suitable for various vehicles including boats, cars, buses, and RVs.
2. Продукциянын өзгөчөлүктөрү
- Диаметри: 3-3/8" (85mm) with a black dial, displaying RPM from 0 to 6000.
- Мотор шайкештиги: Designed for 1-10 cylinder gasoline and diesel engines.
- Саат өлчөгүч: Integrated hour meter provides an accurate record of engine running time, with a range of 0-99999.9 hours.
- Жогорку сапаттагы курулуш: Made from stainless steel with curved tempered glass for durability.
- Дисплей: HD screen ensures excellent readability in various lighting conditions.
- Курчап турган чөйрөнү коргоо: IP67 waterproof, dustproof, and anti-fogging performance.
- Арткы жарык: Features 7 adjustable backlight colors: red, green, blue, white, yellow, cyan, and purple.

Сүрөт: деталдуу view of the MAIMEIMI Tachometer Gauge, highlighting the RPM scale and the integrated digital hour meter.

Image: The MAIMEIMI Tachometer Gauge shown partially submerged in water, illustrating its IP67 waterproof capability.
3. Пакеттин мазмуну
Пакетти ачканда, бардык компоненттер бар экенин жана бузулбаганын текшериңиз:
- 1 x MAIMEIMI Tachometer Gauge
- 1 x зымдары
- 1 х Инструкция (бул документ)

Image: The complete package contents, including the tachometer gauge, wiring harness, and instruction manual.
4. Орнотуу боюнча нускамалар
Follow these steps for proper installation of the tachometer gauge:
- Панелди даярдоо: Before installation, create a hole with a diameter of 85mm (3-3/8 inches) in your dashboard or panel. Ensure there is sufficient space behind the panel (approximately 55mm backyard depth) for the gauge and wiring.
- Insert the Gauge: Carefully insert the tachometer gauge into the prepared hole.
- Өлчөгүчтү бекитиңиз: Use the provided mounting ring or screws to firmly secure the gauge in place.
- Зымдар: Connect the wiring harness according to the diagram in Section 5.

Image: Installation diagram illustrating the process of cutting an 85mm hole in the panel and securing the gauge.
5. Электр схемасы
Зымдарды төмөнкүдөй туташтырыңыз:
- 1. Black Wire: Connect to Ground (-)
- 2. Red Wire: Connect to 9-32VDC Power Supply (+)
- 3. Blue Wire: Connect to RPM Signal Input
- 4. Yellow Wire: Connect to Backlight Power (+)
- 5. White Wire: NC (Туташкан эмес)

Image: Wiring diagram indicating the correct connections for the tachometer gauge.
6. Speed Ratio Setting
The tachometer requires a speed ratio setting to accurately display RPM based on your engine's cylinder count or outboard poles. This setting is crucial for correct operation.
- Орнотуу режимине кириңиз: Press and hold the rubber button on the backside of the gauge for more than 3 seconds. The gauge will enter setting mode. If no action is taken for 3 seconds, it will exit setting mode.
- Маани тууралоо: While in setting mode, each short press of the button will increase the speed ratio value. Press and hold the button to decrease the value. The minimum step value is 0.1, and the adjustable range is 1.0-360.
- Жөндөөлөрдү сактоо: Once the desired speed ratio value is displayed, release the button. The tachometer will automatically save your setting after 3 seconds. If the setup is not satisfactory, repeat the process.
Speed Ratio Reference Table:
Use the following table as a general reference. Note that this table provides common values; actual requirements may vary. If your engine cylinder number is not listed or you require further assistance, please contact customer support for a suitable speed ratio value.
| Outboard Poles | Ылдамдык катышы | Inboard or Gas Engine Cylinders | Ылдамдык катышы | Diesel Engine Gear Number | Ылдамдык катышы |
|---|---|---|---|---|---|
| 4 | 2 | 4 | 2 | Gear 1 | Gear Number |
| 6 | 3 | 6 | 3 | Gear 2 | Gear Number |
| 8 | 4 | 8 | 4 | ... | ... |
| 10 | 5 | 10 | 5 | Gear 10 | Gear Number |
| 12 | 6 | 12 | 6 |

Image: Speed ratio setting reference table and instructions for adjusting the gauge.
7. Операция
7.1 RPM дисплей
Once correctly installed and configured with the appropriate speed ratio, the gauge will display the engine's rotational speed in RPM (Revolutions Per Minute) via the needle. The scale ranges from 0 to 6000 RPM.
7.2 Саат Метр
The integrated digital display at the bottom of the gauge functions as an hour meter, recording the total operating time of the engine. This value is stored even when power is off. The hour meter range is 0-99999.9 hours.
7.3 Арткы жарыкты тууралоо
The tachometer features 7 backlight colors. To change the backlight color, locate the color change button on the backside of the gauge (refer to the diagram in Section 5). Each short press of this button will cycle through the available colors: red, green, blue, white, yellow, cyan, and purple.

Image: The tachometer showcasing its 7 adjustable backlight colors and indicating the position of the color change button on the rear.
Video: Official product video demonstrating the 7-color backlight feature of the MAIMEIMI 6000RPM Tachometer.
8. Техникалык шарттар
| Спецификация | Деталь |
|---|---|
| Бренд | MAIMEIMI |
| Модель номери | CX8005B |
| Материал | Дат баспас болоттон жасалган, чыңдалган айнек |
| Элементтин өлчөмдөрү (L x W x Y) | 3.8 x 3.5 x 2.2 дюйм (97 мм x 85 мм x 56 мм) |
| Элемент Салмагы | 8 унция |
| RPM диапазону | 0-6000 RPM |
| Hour Meter Range | 0-99999.9 саат |
| Арткы жарык түстөр | 7 (Red, Green, Blue, White, Yellow, Cyan, Purple) |
| Суу өткөрбөйт рейтинги | IP67 |
| Operating Voltage | 9-32VDC |
9. Кыйынчылыктарды
- Электр өлчөгүч күйбөй жатат:
- Check the red wire connection to the 9-32VDC power supply.
- Verify the black wire connection to ground.
- Ensure the power source is active and within the specified voltage диапазону.
- RPM Reading Incorrect or Stuck:
- Re-check the blue wire connection to the RPM signal input. Ensure it is securely connected and receiving a signal.
- Verify the speed ratio setting (refer to Section 6). An incorrect speed ratio is a common cause for inaccurate RPM readings. Adjust the speed ratio according to your engine's cylinder count or outboard poles.
- If the gauge is stuck at maximum RPM, it often indicates an incorrect speed ratio setting or an issue with the signal input. Try adjusting the speed ratio.
- Арткы жарык иштебейт:
- Check the yellow wire connection to the backlight power supply.
- Ensure the color change button on the backside of the gauge is functioning.
- Hour Meter Not Recording:
- The hour meter operates when the gauge is powered. If the gauge is on but the hour meter is not advancing, ensure the RPM signal is being received correctly.
10. Техникалык тейлөө
The MAIMEIMI Tachometer Gauge is designed for durability and requires minimal maintenance. Follow these guidelines to ensure its longevity:
- Тазалоо: жумшак колдонуу, damp cloth to clean the gauge face and body. Avoid abrasive cleaners or solvents, as these can damage the tempered glass or housing.
- Байланыштары: Periodically inspect all wiring connections to ensure they remain secure and free from corrosion. Loose connections can lead to intermittent operation or inaccurate readings.
- Курчап турган чөйрөнү коргоо: While the gauge is IP67 waterproof, prolonged exposure to extreme conditions or direct high-pressure water jets should be avoided to prevent potential damage.
- Сактагыч: If the vehicle or vessel is stored for an extended period, ensure the gauge is kept in a dry, stable environment.
11. Кепилдик жана колдоо
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official MAIMEIMI webсайт. Сатып алуу квитанциясын кепилдик дооматтары үчүн сатып алуунун далили катары сактаңыз.
MAIMEIMI is committed to providing high-quality automotive components. If you encounter any issues not covered in this manual, please do not hesitate to reach out to our customer service team for assistance.
You can find more information about MAIMEIMI products and support at: MAIMEIMI Store on Amazon
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