Tools & Testers By YWBL-WH

AD584KH High Precision 4-Channel 2.5V/7.5V/5V/10V Voltage Reference Module with Case - Product Features
  • Built-in AD584kh, highest accuracy and stability.
  • The MCU switch 4-channel reference voltage output with LED indicators.
  • Single-button operation switch reference voltage.
  • Easy to carry, can be charge by DC 5V,with charge indicator.
  • Transparent case can protect module from damage and provide clear view.
 
PEACEFAIR PZEM-021 Energy Meter,20A AC 80-260V LCD Display Digital AC Voltage Current Power Energy Meter - Product Features
  • Power alarm threshold preset function (can set power alarm threshold).
  • Backlight function, short press the key to turn on or off the backlight, the backlight has memory function, it can store the on or off state when power off.
  • Electrical parameter measurement function (voltage, current, active power, energy).
  • Overload alarm function (over power alarm threshold, backlight and power flashing to alarm).
  • Display interface is large-screen LCD, it can display voltage, current, power, energy parameters at the same time.Store data when power off.
 


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