Best Seller | MONARCH 6180-029 Rols-p Sensor With Phone Plug ROLS-W Sensor, Measurable Speed - Maximum 250,000 RPM, Measurable Temperature - Maximum 158 Degrees F, Measurable Temperature - Minimum 14 Degrees F, Product Type Optical Laser Sensor, Sensing Distance - Maximum 25 ft, Overall Length 18 in, Overall... ... more MONARCH 6180-029 Rols-p Sensor With Phone Plug ROLS-W Sensor, Measurable Speed - Maximum 250,000 RPM, Measurable Temperature - Maximum 158 Degrees F, Measurable Temperature - Minimum 14 Degrees F, Product Type Optical Laser Sensor, Sensing Distance - Maximum 25 ft, Overall Length 18 in, Overall... | | $232.99 go to store |