Đồng hồ vạn năng kỹ thuật số đếm 9999 Mini DMM đo RMS chất lượng cao

MESTEK 9999 Counts Digital Multimeter Full Protection Mini DMM Multifunctional Handheld Multi Meter True RMS Measuring AC/DC Voltage Current Resistance Capacitance NCV Tester Fire Wire Identification with LCD Backlit FlashlightWant to test electricity or solve automotive & household electrical problems with multimeter? Want more accurate range display as 9999 counts, leading top of current technology? You can choose this pocket multimeter. This brand new multi-functional multimeter with high precision and high performance can measure DC/AC voltage, AC/DC current, resistance, capacitance & battery voltage. It also can test NCV(non-contact voltage), VFC, live line, diode and continuity. 

Features:
9999 Counts & Multi-function - Can display 9999 counts and test AC/DC voltage/current, diode, resistance, capacitance, AC voltage current frequency test, continuity, live line test & NCV with fuse fusing alarm.
Precision Circuit Board & Overload Protection - Use the PTC ceramics protection circuit for resistance, AC voltage current frequency test, battery voltage and continuity test can be 30Ω.
"SEL" key for Functions Selection - Switch the test between DC voltage and AC voltage. Frequency conversion voltage test, data hold and auto power off function. Use PTC protection circuit in the resistor.
Easy to Use & Clear to Read - Backlight large LCD display and flashlight, easy & convenient to use in the dark. With a bracket on the back, convenient to place it on the table and read the values.
Portable Design - Shockproof, anti-drop, anti-skid, anti-static design, suitable for single hand operating with a comfortable feeling. Powered by 2x1.5V AAA batteries(Not Included).

Specifications:
Brand Name: MESTEK
Color: Black
Material: ABS + TPE
Display: LCD Display with Backlight, 9999 counts
Range Control: Auto Range & Manual Range
Screen Size: 46 * 29mm / 1.8 * 1.1in
Operating Environment: IEC61010-1, CAT III 600V
DC Voltage Range: 999.9mV/9.999V/99.99V/600V
DC Voltage Resolution: 0.1mV/0.001V/0.01V/0.1V
AC Voltage Range: 0.999V/9.999V/99.99V/600V
AC Voltage Resolution: 0.001V/0.01V/0.1V/0.1V
DC Current Range: 999.9μA/9999μA/99.99mA/600.0mA/10A
DC Current Resolution: 0.1μA/1μA/0.01mA/0.1mA/0.01A
AC Current Range: 999.9μA/9999μA/99.99mA/600.0mA/10A
AC Current Resolution: 0.1μA/1μA/0.01mA/0.1mA/0.01A
Resistance Range: 999.9Ω/9.999kΩ/99.99kΩ/999.9kΩ/9.999MΩ/99.99MΩ
Resistance Resolution: 0.1Ω/0.001KΩ/0.01KΩ/0.1KΩ/0.001MkΩ/0.01MΩ
Capacitance Range: 9.999nF/99.99nF/999.9nF/9.999μF/99.99μF/999.9μF/9.999mF/99.99mF
Capacitance Resolution: 0.001nF/0.01nF/0.1nF/0.001μF/0.01μF/0.1μF/0.001mF/0.01mF
Function: DC/AC Voltage Current, Resistance, Capacitance, Battery Voltage Measurement, Data Hold, Backlight, Auto Power off, NCV 
Test, Continuity Buzzer Test with LCD, Over Load Protection, Short-circuit Protection, Live Fire Wire Identification, VFC Test, 
AC Voltage Current Frequency Measurement, Diode Test
Sampling Time: about 3 times/second
Working Temperature/Humid