best multimeter of 2020 DIY Hobby teardown Review

this is a New Multimeter since 16th Sep 202.

RM777 is an automatic range digital multimeter with 9999 words with a true effective value. The instrument is full-key operation with triple display.
Measure AC voltage and DC voltage
Measure AC and DC current
Measuring resistance/temperature
Test continuity and diode
Measuring capacitance/NCV
Measuring frequency and duty cycle
Anti-interference AC voltage detection

it is very easy and comfortable to Grip.

Here is the Specification Data

Brand RICHMETERS Model RM777
Display (LCD) 9999 Range automatic / manual
Material ABS+TPE Sampling rate 3 times/sec
True RMS yes Data retention yes
Screen backlight yes Low battery warning yes
Automatic shut-down yes type of battery 3 * 1.5V AA battery (not included)
Features Range Precision AC frequency response
DC Current 9.999A/999.9mA (1.0%+3) -
DC Current 99.99mA/9.999mA/99.99uA/999.9uA (0.8%+3) -
AC current 9.999A/999.9mA (1.2%+3) 40Hz~1kHz
AC current 99.99mA/9.999mA/99.99uA/999.9uA (1.0%+3) 40Hz~1kHz
DC voltage 999.9mV/9.999V/99.99V/999.9V/9.999mV/99.99mV/999.9mV (0.5%+3) -
AC voltage 999.9mV/9.999V/99.99V/750.0V/9.999mV/99.99mV/999.9mV (1.0%+3) 40Hz~1kHz
Resistance 99.99 Ohm (1.0%+3) -
Resistance 999.9/9.999k/99.99k/999.9k (0.5%+3) -
Resistance 9.999M ohm (1.5%+3) -
Resistance 99.99M Ohm (3.0%+5) -
Capacitance 9.999nF (5.0%+20) -
Capacitance 99.99nF/999.9nF/9.999uF/99.99uF/999.9uF (2.0%+5) -
Capacitance 9.999mF (5.0%+5) -
Frequency 99.99Hz/999.9Hz/9.999kHz/99.99kHz/999.9kHz/5.000MHz (0.1%+2) -
Temperature (-20~1000) C/ (-4~1832)F (2.5%+5)C -
Duty cycle 1%~99% diode yes
On and off yes NCV yes
working environment temperature 0~40 C -
  humidity <75% -

 

you can find the resolution is very good, 0.001

the packlist included:

Multimeter x 1

Tester Leads x 1

Thermocouple x 1

Manual x 1

pouch x 1

color box x 1

 

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