1. उत्पादन समाप्तview
The Runleader HM058B-RD is a versatile digital hour meter and tachometer designed for various gas-powered equipment. It provides essential engine data, including total run time, real-time RPM, and programmable maintenance reminders, to help users manage engine health and schedule timely service.

Image 1: Runleader HM058B-RD Multi-Function Hour Meter Tachometer. Displays total hours, service hours, current time, and RPM.
मुख्य विशेषताहरु:
- बहु-कार्यात्मकता: Integrates tachometer, hour meter, service timers (SVC & SVC2), and job timers (JOB & JOB2).
- घण्टा मिटर: Tracks total engine run time (non-resettable, 0.1 hours accuracy). Allows presetting initial hours.
- मर्मत सम्भार रिमाइन्डरहरू: Programmable service intervals with countdown tracking. Job timers for specific tasks like oil changes.
- ट्याकोमिटर: Accurately records RPM, programmable for various engine firing patterns, includes RPM alert with red backlight, and records/recalls max RPM.
- प्रयोगकर्ता-अनुकूल: Easy installation, multi-color backlit display, replaceable battery, user shutdown, data retention after shutdown.
- स्थायित्व: Waterproof rating IP67, CE ROHS certified.
2. प्याकेज सामग्री
प्याकेजमा सबै वस्तुहरू छन् भनी प्रमाणित गर्नुहोस्:
- Runleader HM058B-RD Hour Meter Tachometer
- प्रयोगकर्ता पुस्तिका
- Mounting Accessories (3M Velcro, screws, nuts, washers, cable ties)
- Lithium Metal Battery (CR2450, pre-installed with insulating sheet)

Image 2: Contents of the Runleader HM058B-RD package, showing the meter, user manual, and various installation accessories.
3. सेटअप र स्थापना
३.२ ब्याट्री सक्रियता
The device comes with a pre-installed CR2450 Lithium Metal battery. To activate the device, remove the insulating sheet from the battery compartment. This ensures the battery capacity is preserved during transport.
Video 1: Demonstrates how to remove the insulating sheet from the battery compartment to activate the meter.
3.2 Signal Wire Connection
To measure RPM, the signal wire must be correctly connected to the engine's spark plug wire. Wrap the signal wire 5-8 times around the spark plug wire. Secure it with a cable tie if necessary. Ensure a snug fit for accurate readings.
Video 2: Illustrates the process of wrapping the signal wire around the spark plug cable for RPM detection.
The total length of the original wire is 1.75 meters (68.8 inches). It can be extended to a maximum total length of 5.00 meters (approx. 196.0 inches) if needed.
४ माउन्ट गर्ने विकल्पहरू
The meter offers two primary mounting methods:
- स्टिक-अन माउन्टिङ: Use the provided 3M Velcro adhesive for quick and easy attachment to a flat surface.
- स्क्रू-अन माउन्टिङ: Utilize the included screws, nuts, and washers for a more permanent and secure installation.

Image 3: Visual guide for both adhesive and screw-based installation methods.
4. सञ्चालन निर्देशनहरू
4.1 Display Modes and Navigation
The device features a multi-color backlit display. Use the "MENU" and "SET" buttons to navigate through different display modes and settings.
- घडी मोड: Displays current time when the engine is off.
- RPM मोड: Shows real-time engine RPM when the engine is running.
- कुल घण्टा (TOT): Displays the total accumulated engine run time. This value is non-resettable.
- Service Timers (SVC & SVC2): Countdown timers for maintenance reminders.
- Job Timers (JOB & JOB2): Used to measure the duration of specific work tasks.
- अधिकतम RPM: Records and displays the highest RPM achieved.

Image 4: The meter displaying the current time in clock mode.

Image 5: The meter displaying real-time RPM when the engine is active.
4.2 Programming Engine Firing Patterns
For accurate RPM readings, the meter must be programmed to match your engine's firing pattern. Refer to the user manual for detailed instructions on selecting the correct pattern (e.g., 2-stroke 1-cylinder, 4-stroke 2-cylinder, etc.).

Image 6: Screen showing the programmable firing pattern setting, crucial for accurate RPM measurement.
4.3 Setting Maintenance Reminders (SVC & JOB Timers)
The device allows you to set two service timers (SVC and SVC2) for regular maintenance and two job timers (JOB and JOB2) for specific tasks. These timers count down, reminding you when service is due.

Image 7: The meter displaying SVC and SVC2 countdowns, indicating remaining time until scheduled maintenance.

Image 8: The meter displaying JOB and JOB2 timers, used for tracking specific work durations.
4.4 RPM Alert and MAX RPM
You can program an RPM alert. When the engine RPM exceeds this set value, the display backlight will flash red, and a warning icon will appear. The device also records and allows you to recall the maximum RPM achieved during operation.

Image 9: The meter showing the recorded maximum RPM and the programmable RPM alert feature.
३०९८८ ब्याकलाइट सेटिङहरू
The backlight can be set to "L-OFF" to shut down, "L-ON" to always lighten, or "L-AUTO" to keep it sleeping. Press any button to wake the backlight up from "L-AUTO" mode.
Video 3: Demonstrates how to adjust the backlight settings (L-OFF, L-ON, L-AUTO).
4.6 Initial Hours Setting and Resetting
The total hours (TOT) are non-resettable. However, you can set an initial hour value to transfer readings from a previous hour meter. This allows for continuous tracking without losing historical data.

Image 10: Screen illustrating the initial time setting feature, useful when replacing an old hour meter.
Video 4: Shows how to set initial hours for the total hour meter.
5. मर्मतसम्भार
5.1 ब्याट्री प्रतिस्थापन
The Runleader HM058B-RD uses a replaceable CR2450 Lithium Metal battery. When the battery is low, replace it to ensure continuous operation. Data is retained even after battery replacement.
Video 5: Guide on how to replace the battery in the meter.
७.२ वाटरप्रुफिङ
The device has an IP67 waterproof rating, meaning it is protected from dust and can withstand immersion in water up to 1 meter for 30 minutes. This makes it suitable for outdoor use in various weather conditions.

Image 11: The meter undergoing a water spray test, confirming its IP67 waterproof capability.
T. समस्या निवारण
- Inaccurate RPM Readings:
Ensure the signal wire is wrapped 5-8 times securely around the spark plug wire. Verify that the correct engine firing pattern is programmed in the device settings. Some 4-stroke 1-cylinder engines may require setting to "2-stroke 1-cylinder" or "4-stroke 2-cylinder" for accurate readings.
- डिस्प्ले अन नहुनु:
Check if the insulating sheet has been removed from the battery compartment. Ensure the battery is correctly installed and has sufficient charge. If the backlight is set to "L-AUTO", press any button to wake the display.
- ब्याट्री चाँडै निकासी हुन्छ:
If the backlight is set to "L-ON" (always on), it will consume more power. Consider setting the backlight to "L-AUTO" or "L-OFF" when not actively viewing the display to extend battery life.
7. निर्दिष्टीकरणहरू
| ब्रान्ड | धावक |
| मोडेल नम्बर | HM058B-RD |
| सामग्री | Acrylonitrile Butadiene Styrene (ABS) |
| वस्तुको वजन | ०.९१ औंस |
| वस्तु आयाम (L x W x H) | 43 millimeters (width, height not specified in JSON) |
| ब्याट्री | 1 Lithium Metal battery (CR2450) required (included) |
| वाटरप्रूफ रेटिंग | IP67 |
| प्रमाणपत्रहरू | CE, ROHS |
| निर्माता | Ningbo Jiangbei रन लीडर इलेक्ट्रोनिक्स कं, लिमिटेड |
| उत्पत्तिको देश | चीन |
| UPC | 791328974004 |
8. वारेन्टी र समर्थन
The Runleader HM058B-RD comes with a 2-year warranty. For technical support or warranty claims, please contact Runleader customer service through their official channels or the retailer where the product was purchased.
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