ANENG AN82 9999 Counts Auto Ranging True-RMS Digital Multimeter Portable AC/DC Ammeter Volt Ohm Tester Meter with Thermocouple LCD Backlight  Introduction:   The instrument has stable performance and quality reliability with full key operation.  LCD display, with triple display, clear reading, intuitive display, easy to operate, can be used to measure the DC voltage, AC voltage sine wave true RMS, DC current, AC current sine wave true RMS, resistance, capacitance, frequency, duty cycle , Diode, continuity test, unit symbol display, data retention, automatic power-off and other functions.  The whole machine uses a high-performance MCU processor, which has a very high cost performance.  The instrument has complete functions, high measurement accuracy and easy use. It is an ideal tool for laboratories, factories, radio enthusiasts and families.    Description:   -The meter is a portable and professional measuring instrument, with LCD digital display, highlighting and reverse display. The user is easy to read.  Button design, with overload protection and low battery indicator. Whether used by professionals, factories, schools, enthusiasts or families, it is an ideal multi-function instrument.  -The meter is used for AC current, DC current, AC voltage sine wave true rms value, DC voltage, frequency, duty cycle, resistance, capacitance measurement, circuit continuity, diode test, and temperature measurement.  -The meter has an automatic range function.  -The meter has a reading hold function.  -The meter has an automatic shutdown function.    Feature:   Auto range and manual range  Full range overload protection    Specification:   Maximum allowable voltage between the measuring terminal and the ground: 1000V DC or 750V AC  Fuse protection: uA, mA fuse FF200mA/250V; A fuse FF10A/250V  Working height: up to 2000m/6561.67ft  Display: LCD display  Maximum display value: 9999 numbers  Sampling time: about 3 times/sec  Battery type: 6F22 9V battery (not included)  Working temperature: 18℃-28℃  Storage temperature: -10-50  Material: ABS  Size: 157x78.5x48.5mm/6.18x3.09x1.91in  Color: Black, Red    Funtion                      Range                                                                                                       Accuracy  DC voltage                999.9mV /9.999V /99.99V /9.999mV /99.99mV                                      ± (0.5% + 3)   DC voltage               999.9 V                                                                                                    ± (0.8% + 5)   AC voltage               999.9mV / 750V /9.999mV /99.99mV                                                      ±(1.0% + 10)   AC voltage               9.999V /99.99V                                                                                       ± (1.0% + 3)   AC current                999.9uA /9.999mA /999.