ATF-6154
LCD Automotive Multimeter with Tachometer kit Model VS-39A
  
Features
Conforms to CAT III - Measurement Category III
Professional quality features help pinpoint engine problems.
Ideal automotive measuring tool
Illuminated 3 5/6 digit display
Fuel injector pulse width testing
RPM measurements with included inductive pick-up
Suitable for 2 and 4-stroke engines
Auto-range, automatically selects the range size
Relative mode, enables differential measurement
Data hold function, freezes the measured value
Overload indication
Low battery indicator
Specifications
Pulse width: 0.5ms ～ 20ms
Speed: 120  ～  20,000 rpm
Dwell: (0-90 °) - (0-72 °) - (0-60 °) - (0-45 °)
Speed: 120  ～  20,000 rpm
DC voltage: 6/60/600V 
AC voltage: 6/60/600V 
DC current: 60 mA/600 mA /6A/10A
AC current: 60 mA/600 mA /6A/10A
Resistance: 600Ω/6kΩ/60kΩ/600kΩ/6MΩ/60MΩ
Capacity:40nF/400nF/4μF/40μF/400μF/4000μF
Temperature: -20 ℃ to  1000℃(-4ºF ～ 1832ºF)
Frequency:9.999Hz/99.99Hz/999.9Hz/9.999kHz/99.99kHz/999.9kHz/9.999MHz
Duty cycle: 0.5% ～ 99.9%
Continuity: buzzer sounds under 20Ω
Diode: test current approx. 0.8 mA