--- product_id: 367284650 title: "Digital Tach Hour Meter,Engine Temperature Gauge,Alert RPM & Temp,Backlights Display for Lawn Tractor Compressor Generator Snowmobile Marine Jet Ski Pit Bike" brand: "runleader" price: "AR$118635" currency: ARS in_stock: true reviews_count: 5 url: https://www.desertcart.com.ar/products/367284650-digital-tach-hour-meter-engine-temperature-gauge-alert-rpm-temp store_origin: AR region: Argentina --- # Track up to 999.99 hours total & job runtime RPM range 0-25,000 with programmable alerts Temp sensor -20°C to 300°C with overheat warning Digital Tach Hour Meter,Engine Temperature Gauge,Alert RPM & Temp,Backlights Display for Lawn Tractor Compressor Generator Snowmobile Marine Jet Ski Pit Bike **Brand:** runleader **Price:** AR$118635 **Availability:** ✅ In Stock ## Summary > ⏲️ Stay ahead of engine wear — never miss a beat or a warning! ## Quick Answers - **What is this?** Digital Tach Hour Meter,Engine Temperature Gauge,Alert RPM & Temp,Backlights Display for Lawn Tractor Compressor Generator Snowmobile Marine Jet Ski Pit Bike by runleader - **How much does it cost?** AR$118635 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/367284650-digital-tach-hour-meter-engine-temperature-gauge-alert-rpm-temp) ## Best For - runleader enthusiasts ## Why This Product - Trusted runleader brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Adaptive Backlight Modes:** Green default for night use, red flashes warn of RPM/temp exceedance, with manual and auto backlight control. - • **Dynamic RPM Monitoring & Alerts:** Real-time RPM display with customizable alert thresholds to prevent engine over-revving. - • **Advanced Temperature Surveillance:** Continuous engine temp readout with max temp memory and critical overheat alerts to safeguard performance. - • **Precision Engine Runtime Tracking:** Monitor total and session hours with programmable initial values for seamless maintenance scheduling. - • **Rugged, Easy Installation & Maintenance:** Waterproof IP67 design, one-wire spark plug connection, replaceable battery, and versatile mounting options for any engine setup. ## Overview The Runleader RL-HM035A is a compact, waterproof digital hour meter and engine monitor designed for gas engines across lawn tractors, generators, marine vehicles, and more. It tracks total and job-specific engine hours up to 999.99, measures RPM up to 25,000 with alert capabilities, and monitors engine temperature from -20°C to 300°C. Featuring programmable maintenance intervals, adaptive backlighting for day/night use, and a durable one-wire spark plug connection, it ensures precise engine health monitoring and timely maintenance reminders to maximize engine longevity. ## Description Runleader RL-HM035A Digial Hours/RPM/TEMP Meter Gauge, Maintenace service interval,RPM & Over-temperature alert, LCD display shutdown, Battery replaceable, Waterproof design.Product Features:Hours▶ Accumulate engine total and partial working hours when it shutdown, timing read up to 999,99 hours with 0.1/1 hour accuracy.▶ It restart from 0 when value exceed 999,99 hours.▶ Count-down tracking for maintenance time, display the arrival status by red backlight and flashed SVC icon.▶ Maintenance time range: 5-1000 hours with OFF selection.▶ TOT initial hours can be programmed for replace an old hour meter.▶ Record the times per engine working period.RPM▶ Record real-time RPM value when engine is on, measurement range 0-25000RPM with 10 RPM resolution.▶ Maximum RPM value record and recall.▶ Programmable RPM alert to remind the revolution speed exceed by red backlight display and flashed warning icon.▶ The engine firing patterns to be chosen for RPM accuracy adjustment,suitable for gas engine 2 stroke up to 3 cylinders, 4 stroke up to 16 cylinders and 6 stroke 2 cylinder.Temperaeture▶ Display the current and maximum engine temperature by connected probe sensor(TS002).▶ Maximum temperature value is resettable.▶ Over-temperature alert remind you the engine temperature exceed to keep the engine healthy.▶ When temperature value exceed alert value,it will display red backlight display and flashed warning icon.▶ Temp measurement & alert range: -20°C~+300°C(-4°F~+572°F)Specification▶ 24 Hours clock time display.▶ Internal replaceable CR2032 battery , Data retained after battery change.▶ LCD window size:approx.1.62×0.67 inches▶ Product size:approx.2.75X1.45X0.7 inches▶ Accessories: cut-out sticker,3M velcro, cable tie,bolts,nuts,washer,CR2032 Battery,TS002 probe senor,user manual.▶ Waterproof rate: IP67. ## Features - HOURS ---- Monitor the total run time(TOT) and single working hours(JOB) of gas engine, with ability to program previous hours(INT) for an replacement;Accomplish maintenance at recommend intervals to determine the due time(SVC);TOT & JOB hours range:0-999,99 hours;SVC timer range:5-1000 hours - RPM ----- Display the real-time RPM readout by vairous engine firing patterns setting to adjust engine idle speed; Alert channel for revolution exceed reminder;Viewable highest revolution since the engine started; RPM measurement range: 0-25000RPM, Alert range: 100-25000RPM - TEMP ---- Keep eyes on engine current and maximum temperature at all the times by probe senor(The induction probe cannot be bent to avoid breakage); Remind the temperature exceed for engine maintenance; Easy to switch between Celsius and Fahrenheit;Temp measurement & alert range: -20°C~+300°C(-4°F~+572°F) - BACKLIGHTS ---- Default green backlight will help to use it at night or dim place, you can set the backlight mode by always-on, OFF and automatical mode(OFF default, button to wake up) as request;Red backlight will remind the engine RPM or TEMP exceed - OTHERS ---- Easy to mount it on proper position by stick-on, screw-on and extra bracket(not include), one-wire connection with spark plug to pick up working signal (At least 5-8 circles tight winding; Total Length 68.8inches, workable if shorten or extend) to work right away;Favorable water and shock resistence; Battery capacity will be kept in good condition with insulation sheet during transport, it is repalceable;LCD shutdown also can extend the lifetime in vacant time ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B092CDSQ33 | | Best Sellers Rank | #83,989 in Automotive (See Top 100 in Automotive) #31 in Car Electrical Hour Meter | | Brand Name | Runleader | | Customer Reviews | 4.0 4.0 out of 5 stars (1,105) 4.0 out of 5 stars | | Item Dimensions | 37 millimeters | | Item Weight | 60 Grams | | Manufacturer | Ningbo Jiangbei Run Leader Electronics Co., Ltd | | Material Type | Plastic | | Model | RL-HM035A | | Part Number | RL-HM035A | | Thread Style | Spark Plug Wire Wrap (One-wire) | | Upc | 723093900728 | ## Product Details - **Brand:** Runleader - **Item dimensions L x W x H:** 37 millimeters - **Item weight:** 60 Grams - **Material:** Plastic - **Thread type:** Spark Plug Wire Wrap (One-wire) ## Images ![Digital Tach Hour Meter,Engine Temperature Gauge,Alert RPM & Temp,Backlights Display for Lawn Tractor Compressor Generator Snowmobile Marine Jet Ski Pit Bike - Image 1](https://m.media-amazon.com/images/I/61DDCc33beL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: How do you connect it to read engine temperature?** A: Remove the spark plug. Place the copper washer over the threaded portion of the plug and screw the plug back into the cylinder head. Tighten the plug with the appropriate torque. **Q: Does this work with 2-cylinder engines, or just singles?** A: It works with: 2 stroke: 1 cylinder / 2cylinder / 3cylinder 4stroke:1 cylinder / 2cylinder / 3cylinder / 4cylinder / 5cylinder / 6cylinder / 8cylinder /12cylinder/16cylinder 6 stroke:2 cylinder Some 4 stroke 1 cylinder engine is 1P1R,the setting is the same way as the 2 stroke 1 cylinder engine. **Q: How long are the wires on the temperature sensor ring cables? Only the length of the tach wire is shown.** A: The length of probe sensor wire is 58.5cm(approx.23.03 inches) **Q: How do I know which model to get? The connections look different.** A: we think your model is HM035A-TS003, the temp sensor can measure the engine temperature especially easy to put it into engine radiator. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works as described *by on Reviewed in the United States 28 April 2026* Small for what it is so placement to see it is difficult. Works as it should ### ⭐⭐⭐⭐⭐ Funktioniert *by on Reviewed in Germany 29 August 2024* Habe das Ding auf einen 3 Zylinder Außenborder funktioniert tadellos ### ⭐⭐ blocage du compte tour. *by on Reviewed in France 27 December 2025* Installé sur une moto custom ancienne sans compte tours ,le compte tours bloque a environ 1700t/mn .J'ai essayé plusieurs étalonnages du compte tours mais c'est compliqué avec une notice sans français Le thermomètre fonctionne bien Point positif pas besoin d'alimentation électrique à prendre sur la moto. ## Frequently Bought Together - Runleader Digital Tach Hour Meter,Engine Temperature Gauge,Alert RPM & Temp,Backlights Display for Lawn Tractor Compressor Generator Snowmobile Marine Jet Ski Pit Bike - HIAORS 50 inch Throttle Cable for CT200U Mini Baja MB165 196cc 5.5hp MB200 200cc 6.5hp Pit Bike Heat Warrior MOTOVOX MBX10 MBX11 Parts - YAMAKATO 16pcs Carburetor Jet Kit Main Jets for Mikuni VM22 VM24 VM26 125cc 150cc 200cc 250cc for Mini Bike Dirt Bike Pit Bike ATV 88 90 95 98 100 105 110 115 120 125 130 135 140 145 150 155 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/367284650-digital-tach-hour-meter-engine-temperature-gauge-alert-rpm-temp](https://www.desertcart.com.ar/products/367284650-digital-tach-hour-meter-engine-temperature-gauge-alert-rpm-temp) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-07-10*