DUOYI DY2201C Car High precision Digital Multi function Maintenance Automatic Universal Meter

Features1 Multi functional meter the sophisticated design convenient operation accurate readings complete functions the use of new protective sleeve and large screen liquid crystal display Jack in the input end is connected with the PTC thermistor element to the instrument core components 2 AC DC voltage current Resistance test diode PN junction voltage measurement Circuit switching transistor test 3 Large LCD display size in 70x48mm high contrast 28mm character height clear and pleasing LCD with white back light convenient in dark environment operation 4 Maximum display 1999 for 31 2 digit AC and DC voltage current resistance 19999 for speed frequency pulse duration dwell 5 The product is suitable for professional auto detection and repair engineering design testing production test Specification1 DC voltage 20 1000V accuracy 0 5 2 DC current 20mA 20A accuracy 1 5 3 AC voltage 20 700V accuracy 1 0 4 AC current 20mA 20A accuracy 2 0 5 Measuring of motor dwell angle 0 1 360 degree Celsius 1 2 3 4 5 6 8 cylinder 6 Measuring of motor speed 300RPM 19999RPM 2 Stroke 600RPM 19999RPM 4 Stroke 7 Impulse time measurement 0 1mS 1000 mS 8 Measuring temperature 40 1000 degree Celsius 9 Frequency measurement 2 20kHz 10 Maximum display 1999 31 2 digit AC and DC voltage current resistance 19999 Speed frequency pulse duration Dwell 11 LCD display size 70x48mm 28mm character height 12 Power supply a 9V battery NEDA1604 6F22 or equivalent battery not include 13 Working temperature 0 40 degree Celsius Relative humidity less than 80 14 Storage temperature 10 50 degree Celsius Relative humidity less than 85