Tachometer
Description:
Digital Tachometer
Features:
Technical Specifications:
Speed ( Optical )
Speed ( Contact )
Event Counter

- 5 Digits LCD Display
- Range 10.0~99,999RPM
- Measuring Distance 50~300mm
- Combination type for non-contact and contact measurements
- Counter (0~99999)
- RS-232 (RM-1501)
Technical Specifications:
Speed ( Optical )
Range | Resolution | Accuracy | |
RPM | 10.00-99999 | 0.01/0.1/1 | 0.04%±2dgtst |
rps (HZ) | 0.2-2000 | 0.001/0.01/01 | 0.04%±2dgtst |
Speed ( Contact )
Range | Resolution | Accuracy | |
RPM | 10.00 - 29999 | 0.01/0.1/1 | 0.04%±2dgtst |
m/min | 1.000 - 2999.9 | 0.001/0.01/0.1 | 0.04%±2dgtst |
ft/min | 4.00 - 10000 | 0.01/0.1/1 | 0.04%±2dgtst |
yard/min | 2.00 - 3000 | 0.01/0.1/1 | 0.04%±2dgtst |
rps (Hz) | 0.2 - 500 | 0.001/0.01/0.1 | 0.04%±2dgtst |
Event Counter
Range | Max. Input Frequency |
0 -99999 | 10KHz. with 5% duty cycle |
General Specification | |
External TTL Input | High >4.5V (RM-1501) |
Display | 5 digits 99999 counts |
Sampling Rate | 0.7 second ( >60 rpm) >1 second ( 10 to 60 rpm) |
Measuring Distance | 50 to 300mm |
Time Base | 4.0 MHz Quartz Crystal |
Range Selection | Automatic |
Battery | Four 1.5V batteries (AA, UM-3) |
Power Consumption | 1.5mA(Idle) 5mA ( 1000.0 - 99999 rpm ) 25mA (10.00 - 999.99 rpm ) 25mA (Max, Min or Ave Enabled) 25mA (Event Counter) |
Auto-Power-Off | 30 minutes. |
Operating Temp. | 0 ℃ ~ 50 ℃ ( 32 ℉ ~122 ℉ ) |
Size | 72 mm x 63mm x 36mm (6.8" x 2.5" x 1.5") |
Weight | 190g (6.7 oz.) (including battery) |
Accessories | Carrying Case x 1 ,Reflective tape x 1 , Instruction Manual x 1 (Software & RS-232 interface for RM-1501) |
Optional accessories | RM-1502 Contact Adaptor |
