--- 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: "€ 78.60" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.gr/products/367284650-digital-tach-hour-meter-engine-temperature-gauge-alert-rpm-temp store_origin: GR region: Greece --- # 999.99 hrs runtime tracking 0-25,000 RPM precision -20°C to 300°C temp range 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:** € 78.60 **Availability:** ✅ In Stock ## Summary > ⏳ Keep your engine in check, or risk falling behind! 🚀 ## 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?** € 78.60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/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 - • **Rugged & Ready:** Waterproof IP67 design with easy one-wire install and replaceable battery for hassle-free durability. - • **Real-Time RPM Alerts:** Stay ahead with programmable RPM alerts and max RPM recall for optimal engine performance. - • **Precision Engine Monitoring:** Track total & job hours with 0.1 hr accuracy to never miss maintenance windows. - • **Advanced Temperature Control:** Monitor current & max engine temps with overheat alerts to protect your investment. - • **Night-Ready Backlight Display:** Green & red backlights ensure clear visibility and instant warnings even in low light. ## Overview The Runleader RL-HM035A is a compact, waterproof digital tach hour meter designed for gas engines up to 25,000 RPM. It accurately tracks total and job hours with programmable maintenance alerts, monitors engine temperature with overheat warnings, and features a dual-color backlit LCD for clear visibility day or night. Its rugged design includes a replaceable battery and versatile mounting options, making it ideal for lawn tractors, generators, marine vehicles, and more. ## 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.gr/products/367284650-digital-tach-hour-meter-engine-temperature-gauge-alert-rpm-temp](https://www.desertcart.gr/products/367284650-digital-tach-hour-meter-engine-temperature-gauge-alert-rpm-temp) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-06-02*