- Use for measuring pump RPM during a fire pump test
- Mini Laser Photo Tachometer, Noncontact, RPM Range 2 to 99, 999, Accuracy +/-0.05 Percent, Light Source Laser, Display 5 Digit LCD, Memory Last/Min/Max, Features Last Reading Hold, Min/Max, On Target Indicator, Optional Calibration Certificate, Includes 9V Battery, 24 In. (600mm) Reflective Tape and Instruction.