Best Zheliosmx in 2026

[Hour Meter]---Record the total running hours of the engine.Hours range is 0.0-99999H.Total running hours can be reset.

[Maintenance Reminder Meter]---Programmable maintenance interval service timer(0.0-9999.9H),Countdown tracking service reminder time; When the maintenance time arrives, the service warning icon flashes to remind.

[Tachometer]---Accurately records the current RPMs when the engine is running.RPM range is 0-30000rpm.Three RPM types can be selected,1P1R,1P2R,2P1R.

How to Use: turn the kitchen timer clockwise all the way to 60 minutes, then turn it anti-clockwise to the time you want, like 30 minutes. then the timer will ring after 30 minutes, you will hear it clearly. notes: do not use it in a noisy environment, or you will feel the sound is very small.

Never start rotating the timer counterclockwise with a zero scale to damage the mechanism.Only use a rag to clean the product. Do not wash it in water.

Mechanical Operation: this is a mechanical drive timer. no power supply, manual winding, clear sound. the bell will automatically ring when cooking timer magnet rotates to setting time for a mechanical drive.

Large transparent LCD display, easy to browse.LCD size is 96*33mm(3.78‘’ x1.3'‘).

Complete functions and simple operation. Including measuring temperature and humidity, clock, weather conditions, date, week, and alarm function.

Two startup methods:Use 2*AAA batteries(not included),or use the USB cable to input DC 5V.The backlight will lit when input the DC 5V voltage.

SUPERSEDES to 6Y5-8350T-D0-00

Traditional incandescent lighting illuminates the front of the dial

12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system

Auto Meter’s race proven air-core electric tachometers provide quick and accurate readings with a needle so responsive it can go from 0 - full scale in 333 milliseconds

Provides fast and accurate RPM measurements of rotating objects without contact and revolution count of moving objects

Built-in laser pointer identifies target area

Internal memory recalls maximum, minimum values as well as last value stored

HOUR METER----TOT hours help you to track how many hours are the equipment working,It is non-resettable,read up to 9999,9 hours,0.1 hour accuracy;Count-up tracking for maintenance reminder,range from 0-50 hours

OPERATING VOLTAGE----Voltage range : DC5V to 60V;Works on most common DC powered devices: 6V 12V 24V 36V 48V

DATA STORAGE &INSTALLATION ---- Automatic data storage when external power is off;Internal battery CR2050 keeps recorded data visible consistently ; Easy to install;Snap-in design and fits standard panel cut-out; Panel Cutout Size:Approx 37.5×24.5mm(1.5×1 Inch)

Traditional incandescent lighting illuminates the front of the dial

12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system

Auto Meter’s race proven air-core electric tachometers provide quick and accurate readings with a needle so responsive it can go from 0 - full scale in 333 milliseconds

Traditional incandescent lighting illuminates around the perimeter of the dial

Compatible with 2 - 4 pulse ignition signals (4-8 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions.

12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system

Traditional incandescent lighting illuminates around the perimeter of the dial

Compatible with 2 - 4 pulse ignition signals (4-8 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions.

12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system

Digital hour meter, works on both AC/DC powered devices: 6V 12V 24V 36V 48V 72V 110V 120V 230V.Wide voltage range:AC/DC 5-277 Volt

Accumulate non-resettable total running time of engine.

Panel Cutout Size:Approx 37.5×24.5mm(1.5×1 Inch).Waterproof；2 Years warranty.

Features include a large RPM graph and speed readout, programmable LED lights that blink when it’s time to shift gears or during an over-temp event

Vapor displays speed, tach, engine temperature, ambient temperature, resettable distance, clock, ride time, and odometer

Customize and fine tune Vapor for tire size, tach sensitivity, and trigger temps for the temp and tach warning lights

Features include a large RPM graph and speed readout, programmable LED lights that blink when it’s time to shift gears or during an over-temp event

Vapor displays speed, tach, engine temperature, ambient temperature, resettable distance, clock, ride time, and odometer

Customize and fine tune Vapor for tire size, tach sensitivity, and trigger temps for the temp and tach warning lights

Features include a large RPM graph and speed readout, programmable LED lights that blink when it’s time to shift gears or during an over-temp event

Vapor displays speed, tach, engine temperature, ambient temperature, resettable distance, clock, ride time, and odometer

Customize and fine tune Vapor for tire size, tach sensitivity, and trigger temps for the temp and tach warning lights

Features include a large RPM graph and speed readout, programmable LED lights that blink when it’s time to shift gears or during an over-temp event

Vapor displays speed, teach, engine temperature, ambient temperature, resettable distance, clock, ride time, and odometer

Customize and fine tune Vapor for tire size, teach sensitivity, and trigger temps for the temp and teach warning lights

Features include a large RPM graph and speed readout, programmable LED lights that blink when it’s time to shift gears or during an over-temp event

Vapor displays speed, tach, engine temperature, ambient temperature, resettable distance, clock, ride time, and odometer

Customize and fine tune Vapor for tire size, tach sensitivity, and trigger temps for the temp and tach warning lights

HOUR METER----Contains tachometer, hour meter, service timers ;When engine is off, display shows total run time of engine and remains visible. Total hours can reset ; 0.1 hours accuracy

MAINTENANCE REMINDER----Programmable maintenance interval service timer(SVC),Countdown tracking service reminder time; When the maintenance time arrives, the service warning icon flashes to remind

TACHOMETER----Accurately records your RPMs when the engine is running , Help adjust engine idle;Can be programmed for different engine firing patterns

ACCURATE MEASUREMENT:Wide measuring range(2.5RPM to 99999 RPM);High resolution(0.1RPM or 1RPM).Accurately measure the speed of motors and machine parts.

TECHNOLOGY&DISPLAY: The use of microcomputer technology, anti-jamming technology and other advanced technology, can accurately measure the speed value. Large screen liquid crystal display, clear reading.

PORTABLE:Compact and lightweight.Easy to take out . Dimension: approx. 131 (L) x 70 (W) x 29 (D) mm/ 5.16 x 2.76 x 1.14inches.

TACHOMETER VS. SPEEDOMETER: While a digital speedometer will read the current speed of a vehicle, this automotive tachometer is used for measuring the rpm of a revolving shaft, as with the driveshaft of an automobile.

ACCURATE RPM METER: This handheld tachometer is highly accurate and noncontact. With high-speed laser-aim operation and instant readings from 2.5 to 99,999 rpm, this radar gun gives you accurate rotational speed readings from a distance.

AUTOMOTIVE TACHOMETER GAUGE: This big- or small-engine tachometer measures velocity in revolutions per minute. The information is displayed on a large and easy-to-read LCD screen.

HOUR METER----Contains tachometer, hour meter, service timers ;Help you track how many hours you put on your engine.When engine is off, display shows total run time of engine and remains visible. Total hours can reset ; 0.1 hours accuracy

MAINTENANCE REMINDER----Programmable maintenance interval service timer(SERVICE ),Countdown tracking service reminder time; When the maintenance time arrives, the service warning icon flashes to remind

TACHOMETER----Accurately records your RPMs when the engine is running , Help adjust engine idle;Can be programmed for different engine firing patterns

2-5/8" black dial face with 250 degree sweep and black bezel with mounting hardware

0-8000 RPM range, driven by Air Core motor

Adjustable redline pointer

Traditional incandescent lighting illuminates around the perimeter of the dial

Compatible with 2 - 4 pulse ignition signals (4-8 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions.

12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system

TACH/HOUR METER----It contains 2 kinds of simple functions for gas engine: TOT Hours and Real-time RPM Value.

TOT Hours(TOT)----Help to track how many hours are the engine working;Display the total running hours when engine is off;TOT hours are non-resettable; Timing range:0-999.99 hours,0.1 hour accuracy.

TACHOMETER(RPM)----Record the real-time RPM value when engine is on, help to adjust engine idle;Suitable for engine firing pattern 1P1R, which can be used on gas engine type 4 stroke 2 cylinder and 2 stroke 1 cylinder;RPM measurement range 0-30600RPM, 10RPM accuracy.

3-3/8" black dial face with 250 degree sweep and chrome bezel with mounting hardware

0-8000 RPM range, driven by Air Core motor

Adjustable redline pointer

The surface mounted TTO Digital Tach-Hour Gauge

RPM and Hours of use tracker

Easy to Install, Compact

Measure range: 5-9999RPM.

Power requirement:DC 8-15V

Come with hall sensor and magnet

3-3/8" white dial face with 250 degree sweep with chrome bezel and mounting hardware

0-8000 RPM range, driven by Air Core motor

Adjustable redline pointer

HOUR METER----The total hour reading display range is 0 to 99999H, 0.1H accuracy.Trackong the total working hours on equipment in real time, the timer data is retained automatically when the equipment is turned off, and the next cycle is accumulated directly.

TACHOMETER----Measure the current RPM of the engine. When the engine turn on, the LCD displays the current RPM and the maximum RPM is 30000.

INSTALLATION----Easy to install, no wiring required, or connection with the enclosed hardware, this tachometer records gasoline engine’s total running hours and RPM by getting the induction from spark plug cable when engine starts.

HOUR METER----Contains tachometer, hour meter, service timers ;Help you track how many hours you put on your engine.When engine is off, display shows total run time of engine and remains visible. Total hours can reset ; 0.1 hours accuracy;

MAINTENANCE REMINDER----Programmable maintenance interval service timer(SERVICE ),Countdown tracking service reminder time; When the maintenance time arrives, the service warning icon flashes to remind;

TACHOMETER----Accurately records your RPMs when the engine is running , Help adjust engine idle;Can be programmed for different engine firing patterns;

HOUR METER---- Accumulate non-resettabl total running hours TOT with 0.1/1 hour accuracy;

MAINTENANCE REMINDER----Programmable maintenance interval service timer(SVC& SVC2 );

JOB TIMER---- Measure the time of a particular work job, Like change oil, Air filter replacement etc.; JOB timer can reset;