HQ7901/HQ7904 3 1 / 2 Insulation resistence Digital Multimeter

1.Anti-high-voltage ignition circuit design;2.New type of shock sets,streamline design,shake resistence;3.Large screen display

Production Introduction

Features:1: full protection, anti-high-voltage ignition circuit design2: Since the resumption of fuse protection circuit design3: New earthquake kits, streamline design, feel comfortable4: large screen display, the character clearly5: anti-interference ability

Basic functions Range Basic Accuracy HQ7901 HQ7904 DC voltage 200mV/2V/20V/200V/1000V ±(0.5%+3) AC voltage 2V/20V/200V/700V ±(0.8%+3) 20V/200V/700V _ ±(0.8%+3) DC voltage 20uA/20mA/200mA/20A ±(0.8%+3) 2mA/20mA/200mA/20A _ ±(0.8%+3) AC voltage 20mA/200mA/20A ±(1.5%+3) Resistance 200Ω/2kΩ/20kΩ/200kΩ/20mΩ/200mΩ ±(0.8%+3) Capacitor 20nF/200nF/2uF/200uF ±(3%+3) Temperature -40°C~1000°C _ ±(3%+3) Frequency 200KHz _ ±(2%+5) Battery Test 1.5V 9V _ _ Special features   Since the resumption of Insurance   √ √ Diode test   √ √ Transistor Test   √ √ Logic test   _ √ Buzz off   √ √ Low-battery tips   √ √ Data Retention   √ √ Automatic shutdown   √ √ Function protection   √ √ Shock Protection   √ √ Input impedance 10MΩ √ √ Backlight   √ √ Sampling Frequency 60Hz √ √ Mode of operation Manual range √ √ Maximum display 1999 √ √ Display Size 60×40mm √ √ Power 9V battcry (6F22) √ √

  Production Process

Package and Warehouse