For difficult access, nothing beats the REED DT-1236L Photo/Contact Tachometer with Laser. This unit also measures linear speeds & contact RPM measurement. The non contact measurement can be made with reflective tape on the shaft, or white paint for close range. Contact measurements use a rubber cone (shaft centre drilling) or rubber rimmed wheels for linear speed. These components are replaceable separately. For fixed installations Lutron makes a panel mount 48×96 digital indicator for inductive or optical pickups.
REED DT-1236L Specifications
Range/Resolution | |
Photo | 10 to 99,999 rpm/0.1 rpm ≤ 999.9 rpm, 1 rpm > 1000 rpm |
Contact | 0.5 to 19,999 rpm/0.1 rpm ≤ 999.9 rpm, 1 rpm > 1000 rpm |
Surface Speed | 0.05 to 1,999.9 mpm (0.2 to 6560 fpm) 0.01mpm ≤ 99.99 mpm 0.1 mpm > 100 mpm (0.1 fpm ≤ 999.9 fpm, 1 fpm > 1000 fpm) |
Accuracy | ±(0.05% + 1 digit) |
Detection Distance | 50 to 2,000mm |
Sampling Rate | |
Photo | 1 sec. over 60 rpm |
Contact | 1 sec. over 6 rpm |
General Specifications | |
Laser | Class 2 red laser diode, 645nm wavelength |
Power Supply | 4 x 1.5V “AA” batteries |
What’s included with the REED DT-1236L
- DT-1236L Photo/Contact Tachometer
- 3 Contact Adapters (2 Cones, 1 Funnel)
- Surface Speed Wheel
- Reflective Tape
- Batteries
- Hard Carrying Case
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