Tachometers
Application field：
This is a handheld tachometer for both contact and non-contact measurement.
It is ideal for measuring rotational speeds of machines, motors and conveyor belts and for counting the moving objects.
Features
- Display:6 digits LCD display with maximum 999999.
- Noncontact IR and contact measurements.
- Range of noncontact measurement: 50~500mm.
- Sampling rate : >60 rpm - 0.5 sec. 12~60 rpm - >1 sec. Average - >2 sec.
- Functions : maximum/minimum values, data hold, average value, auto power off, buzzer, backlight
Technical Specifications
- Manual recording : 200 data (TM-4100N)
- 20,000 data (TM-4100DN)
- Auto recording : 200 data (TM-4100N)
- 20,000 data (TM-4100DN)
- Low battery voltage measurement""
- RS-232 port instruction (TM-4100DN) :
Output: Earphone port (Diameter 3.5mm/4 plug head).
Output voltage:3.3V (LVTTL) - Dimensions : 186x70 x36 mm (L x W x H).
- Weight : Approx 230g (battery included)
Electrical Specifications
Ambient temperature range: 18°C (64°F) ~ 28°C (82°F)
Noncontact
| Unit | RPM/count measurement | Resolution | Accuracy |
| RPM r/min | 12.00 ~ 99960 | 0.01/0.1/1 | ±0.04%±2dgt |
| RPM r/s | 0.2000 ~ 1666.0 | 0.0001/0.001 /0.01/0.1 | |
| Cycle ms | 0.6000 ~ 5000 | 0.0001/0.001 /0.01/1 | |
| Counts | 0 ~ 999999 | 1 | ±1dgt ~±20dgt |
Contact
| Unit | RPM/count measurement | Resolution | Accuracy |
| RPM r/min | 12.00 ~ 19980 | 0.01/0.1/1 | ±0.04%±2dgt |
| RPM r/s | 0.2000 ~ 333.0 | 0.0001/0.001/ 0.01/0.1 | |
| ft/min | 3.937 ~ 6555 | 0.001/0.01/0.1/1 | |
| yard/min | 1.312 ~ 2185 | ||
| m/min | 1.200 ~ 1998.0 | 0.001/0.01/0.1 | |
| m/s | 0.0200 ~ 33.30 | 0.0001/0.001/ 0.01 | |
| Cycle | 3.000 ~ 5000 | 0.001/0.01/0.1/1 | |
| Counts | 0 ~ 999999 | 1 | ±1dgt ~±20dgt |
