Self-Powered Tach/Hour Meter,Maintenance Reminder,RPM Alert for Lawn Tractor Generator Mini Bike Chainsaw ATV Outboard Motor Snowmobile.

??Operating Selection??: Avaliable 2 sets of operating system(DSP1 & DSP2): full-featured and RPM monitoring only,which can be complied with different user’s haibit.
??Hours Useage Track??: Keep track of total/trip run hours of gas engine, with ability to program a initial hours for new meter replacement,with ability to program a initial hours for new meter replacement, hours range: 0 to 999,999 hours with 1 MIN/0.1/1 hours resolution.
??Service Intervals??: Schedule the periodic maintenance such as oil/air replacement by count-down timing,help you to know the time of due; maintenance timers range: 0 to 2000 hours.
??Idle Speed Adjustment??: Monitor the engine current and highest RPM hit since the engine started,with various of engine firing patterns and RPM measurement range to adjust the idle speed status; RPM alert channel to warn the speed exceed; RPM measurement and alert range: 0 to 25000RPM.
??Others????Easy to install it on any proper place by screw-on or stick-on; One wire pick-up for the gas engine signal detect,length 5.74 ft, it will workable whatever shorten or extend(not exceed 9.84 ft);Built-in battery CR2450 with long endurance;Favorable waterproof resistence; Display shutdown for battery energy saved; 2 years guarantee by excellent after-sales and technical group support.
YR-HM059A Digital Hours&RPM Meter, Maintenance Reminder,Initial Hours Setting,RPM Alarm,Green&Red Backlight Display, User Data Storage,Waterproof Design.
Product Features:
Hours
Accumulate engine total working hours when it shutdown, timing read up to 999,999 hours with 1 min /0.1/1 hour accuracy.
TOT hours is non-resettable but restart from 0 when value exceed 999,999 hours.
Count-down tracking for maintenance time, remind the arrived status by flashed icon
TOT initial hours can be programmed for replace an old hour meter.
Maintenance time range: 0-2000 hours
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.
Display highest RPM since engine started.
RPM alert channel for speed exceed, remind by flashed warning icon.
The engine firing patterns and RPM measurement range to be chosen for RPM accuracy adjustment.
RPM measurement range: r1—0 to 25000RPM; r2—0 to18000RPM; r3—0 to 12000RPM; r4— 0 to 6000RPM.
Suitable for gas engine 2 stroke up to 6 cylinders, 4 stroke up to 16 cylinders.
Specification
LCD window size:approx.0.12??0.045 ft.
Product size:approx.0.26×0.13×0.066 ft.
Accessories: Double sided velcro,cable tie,User manual.
CE ROHS certification
Waterproof rate: IP67.