Bearing Checker, Shock Pulse -9 to 9 dBsv

Bearing Checker, Frequency Range To 32 K Hz, Shock Pulse Measurement -9 to 90 dBsv, Accuracy +/-3 dBsv, Bearing/Gear Check, 10 Reading Data Hold, Display Graphical Monochrome LCD, Temp Range 14 to 365 F, Temp Range -10 to 185 C, Special Features Bearing Condition Indicators, Listen Mode, Auto Power Off, Battery Type (2) AA, NIST Calibration Certificate, Includes Batteries and Instructions Tachometer/Vibration MetersBearing CheckerPocket-sized instrument uses shock pulse method to identify lubrication deficiencies and bearing damage without trending or developing baseline. Measures machine surface temperature with built-in infrared thermometer. Can serve as an electronic stethoscope with adjustable sound levels when used with optional headphones 4PJV9. Frequency: up to 32 kHz. Accuracy: 3dBsv. Temp. range: 14 to 365 F. Includes AA batteries.Graphical monochrome LCD Bearing condition indicators Listen mode Shock pulse measurement: -9 to 90dBsv Data hold