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Rotating Shaft Meter backside -
Standard Dimension of a surface mount hour meter in inch (cm).
N161 Tach/Hour Control
- Rotating Shaft Hour Meter
- up to 3 Service Alerts
- event counter
- warranty clock
- provided pickup sensor only needs to be within 6mm (¼”) to pickup a signal!
- measures Hours in Off-Mode of the equipment and RPM in On-Mode of the equipment
Product Features
OEM Options
- Flash Alert programming – informs user „What to Service and When“
- Key Cancel – Manual reset via key or wand
- Input Reset – User toggles input for reset
- Custom Pad Printing
- Custom Bezels
- Terminations: Wire, stud, screw or spade
- Packaging: Blister cards, individual box kits, bulk trays, poly bagged or special kits
- Custom Logos and programming available
How it works
Hour Meter
- Records and displays to: 9.999,9 hours then rolls over to log whole hours to 99.999 hours
- Hour glass symbol flashes. On/Off to indicate counting time
- Resolution 0.1 hours
- Quartz accuracy: +/- 0.02% (over entire voltage & temperature range)
- Begins logging after 7 seconds delay
Tachometer
- Minimum RPM: 250
- Maximum RPM: 7500
- Resolution: 10RPM or 1% of measurement (whichever is less)
Shaft Diameter vs. RPM table
| Shaft Dia. | Max RPM |
| 2“ or less (50.8) | 7500 |
| 4“ (101.6) | 3750 |
| 6“ (152.4) | 2500 |
| 8“ (203.2) | 1875 |
| 10“ (254.0) | 1500 |
Sealed pickup sensor
- Stainless Steel sensor with M5 threads and two M5 nuts
- Measures only 0.98“ (24,89) long x 0.195“ (4,95) dia.
- Sensor is epoxy sealed
- Operates within ¼“ (6,35) away from pickup magnet
- Standard product comes with 48“ (1219,20) of 24 awg conductor wire.
Ultra-Tiny pickup magnet
- Ultra light disk minimizes effect on balance oft he mechanical load
- Extremely powerful at 30 MGOe
- Weighs only 0.23 grams (0.0005 lbs)
- Measures 0.198“ (5.03) Dia X 0.60“ (1,52) thick
- Long life (over 50 years+)
Fields of Use
The Rotation Shaft Meter can be used on
- Diesel engines
- Compressors
- Electric Motors
- Process equipment
- Power equipment
- Generators
or any other equipment, that rotates during operation e.a. unmotorized trailed equipment.
Technical Specifications
What makes the military quality?
- absolute dust-, fresh-, and saltwater resistant. Therefore it’s ideal for maritime areas, too. (Pressure-washer cleaning possible)
- Flash Alert service displays reminders for preventive maintenance. (LEARN MORE ABOUT THE FLASH ALERTS)
- Due to a self-contained battery it has a lifecycle of 12 years.
- Extrem shock proof up to at least 55G (depending on the product they manage up to 90G)
- High contrast LCD display is always lit and polarized to prevent discoloration from UV exposure