DP4H series high-precision measurement four and a half digit voltage/current meter

★ DP4H series is designed for measuring small signals ★ High input resistance ★ Four and a half digit display with high resolution and precision measurement display ★ Two sets of dip codes are set for alarm upper and lower limits, easy to operate ★ Optional isolated transmission 4-20mA output ★ Effective value, average value, hold value, maximum value, minimum value display function ★ Voltage/current range ratio can be freely set ★ Display refresh rate can be set once/second~9 times/second ★ Optional RS485 communication, supports ModBus RTU communication protocol ★ Can be used for automatic detection of production lines in industries such as electronics and machinery, especially for industries with high input impedance requirements, such as lithium battery detection, etc. The sentence is: