How do you connect it to read engine temperature?

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.

Does this work with 2-cylinder engines, or just singles?

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.

How long are the wires on the temperature sensor ring cables? Only the length of the tach wire is shown.

The length of probe sensor wire is 58.5cm(approx.23.03 inches)

How do I know which model to get? The connections look different.

we think your model is HM035A-TS003, the temp sensor can measure the engine temperature especially easy to put it into engine radiator.

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RL-HM035A-TS001 Digital LCD Hours Tachometer,Engine Oil Temperature Gauge

RL-HM035A-TS001 Digital LCD Hours Tachometer,Engine Oil Temperature Gauge

Product ID: 487304088

Details

Brand
Runleader
Item Weight
60 g
Manufacturer
Ningbo Run Co.
Material
Glass Metal
Number of Items
1

⏱️Tracks up to 999,99 hours total & job runtime

⚙️Real-time RPM up to 25,000 with alert system

🌡️Oil temp range -20°C to 300°C with max temp alert

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Description

⚡ Stay ahead of engine wear with smart, real-time insights!

DYNAMIC RPM TRACKING - Real-time RPM display with customizable firing patterns and high-rev alert to protect your engine’s performance.
ADAPTIVE BACKLIGHT MODES - Green backlight for night use, red alerts for RPM/temp exceedance, plus customizable always-on or auto modes.
PRECISION ENGINE MONITORING - Dual hour counters (total & job) with programmable previous hours keep your maintenance on point.
ADVANCED TEMPERATURE CONTROL - Continuous oil coolant temp monitoring with max temp alerts and easy °C/°F switching for global usability.
EFFORTLESS INSTALLATION DURABILITY - Multiple mounting options, water & shock resistant design, plus a long-lasting replaceable battery for worry-free operation.

The RL-HM035A-TS001 is a versatile digital tachometer and oil temperature gauge designed for gas engines. It features dual hour meters for total and job-specific runtime tracking, real-time RPM monitoring up to 25,000 with alert capabilities, and precise oil temperature measurement from -20°C to 300°C. Its adaptive backlight system ensures visibility in all conditions, while its rugged, water- and shock-resistant build guarantees durability. Easy to install with multiple mounting options and supported by reliable after-sales service, this device empowers proactive engine maintenance for professionals.

Specifications

ASIN	B0B24FFJMQ
Best Sellers Rank	#13,445 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Tachometers
Brand Name	Runleader
Customer Reviews	4.0 4.0 out of 5 stars (1,231)
Item Weight	60 g
Manufacturer	Ningbo Jiangbei Run Leader Electronics Co., Ltd
Material Type	Glass, Metal, Plastic
Model	RL-HM035A-TS001
Part Number	HM035A

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฿3369

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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