Product Introduction

Both instruments have two specifications to choose from: 0.02 level/0.05 level.
◉ Suitable for calibrating circuit resistance testers, AC/DC resistance testers/resistance meters
Reference standards: JJG 1052-2009, DL/T 967-2005, JJF 1723-2008 "Calibration Specification for AC/DC Analog Resistors" (drafted by Tianheng).

Functional Features

◉ Fully digital adjustment and port programmable, with a low adjustment fineness of 2 n Ω, making it easy to detect the sensitivity of the tested meter, and having advantages that cannot be compared with physical resistance.
Compared with traditional physical standard resistance boxes, it has no residual resistance or contact resistance caused by conversion switches, and can also avoid resistance changes due to overload.
Compared with electrical analog DC resistors, it has higher sensitivity (usually not less than 0.1 μ Ω for products in the same industry), more adjustment bits, lower noise, higher accuracy, intuitive display, strong anti misoperation ability, and convenient use.
When testing the circuit resistance tester, the detection items such as resistance value error, linear error, stability error, working current value error, and working current overshoot can be completed according to the regulations.
It has a wide range of current measurement capability from 10 mA to 600 A, with full automatic range switching and an optimal measurement uncertainty of 150 ppm.
Strong current overload and impact resistance, with functions such as ripple measurement, statistics and analysis, stability testing, etc., it is also an excellent precision ammeter.
The current measurement channel has a waveform display function (oscilloscope), which is used to detect the working current overshoot of the tested meter.
The instrument has undergone complete testing for electrostatic protection and electromagnetic compatibility, resulting in higher system reliability; It has self calibration function to ensure accurate and stable measurement values over time.
Equipped with a high-definition and large-sized LCD screen, it can intuitively display current, voltage, resistance, relative error of the tested meter, etc. on the same screen, making operation extremely convenient.

DC resistance simulation

AC resistance simulation

AC/DC current measurement

Selection Guide