I. Overview

The HG2000 AC and DC clamp ammeter calibration device (hereinafter referred to as the device) is an intelligent multi-functional precision calibration system controlled by a computer. It consists of a comprehensive source, an AC high current source, a DC high current source, a laptop computer and software. It can output high-accuracy DC voltage/current, AC voltage/current, DC power, AC power with power factor control, resistance simulation, capacitance simulation; AC and DC 1000A current and calibration clamp ammeter and transformer detection tooling and other functions . Suitable for calibration or verification of various voltmeters, ammeters, power meters, power factor meters, phase meters, frequency meters, multimeters, multimeters, clamp ammeters, transformers, various power measurement transmitters, etc. below level 0.05. device can also be used as a standard source. This instrument fully complies with JJG 124-2005 "Calibration Specifications for Ammeters, Voltmeters, Power Meters and Resistance Meters", JJF 1587-2016 "Calibration Specifications for Digital Multimeters", JJF 1284-2011 "Calibration Specifications for AC and DC Ammeter Calibrators", The relevant requirements of JJF1075-2015 "Clamp Ammeter Calibration Specifications" can be widely used in quality inspection, measurement, production, teaching and research and instrumentation in industrial and mining enterprises, aerospace, military industry, scientific research institutes, railways, electric power, military, schools and other units. Maintenance work etc.

2. Main functions and features

     The instruments that can be calibrated by this device are as follows: indicating instruments, AC voltmeters, AC ammeters, single-phase AC power meters, DC voltmeters, DC ammeters, DC power meters, resistance meters, capacitance meters, clamp ammeters, etc.

2.1 AC and DC voltage output maximum 1100 V;

2.2 The maximum output current of the integrated source is 30A, and the output current of the AC and DC high current source is 1000A;

2.3 AC frequency range: 45Hz ~ 1kHz.

2.4 Analog resistance range: 0~200MΩ continuously adjustable;

2.5 Analog capacitance output range: 1nF ~ 200uF continuously adjustable;

2.6 It can accurately output DC power, AC active power, apparent power and power factor.

2.7 It has strong load capacity, ensuring stable and accurate values under full load conditions, and can cover the calibration of analog meters.

2.8 The output has various value adjustment methods such as "fixed-point output, potentiometer adjustment, digital adjustment, and step proportion".

2.9 It is equipped with a clamp-type ammeter calibration tool suitable for large and small jaws and a special output terminal for large current (1000A);

2.10 is equipped with a large-size LCD touch color screen computer and practical and simple software for human-machine dialogue. It has self-checking and self-calibrating functions. The value display is intuitive and the operation is very convenient.

2.11 output has complete software and hardware protection functions to improve the long-term reliability of the equipment.

2.12 The building block integrated workbench structure is convenient for selection and inspection; compared with similar products, it is small and light.

2.13 is powerful, convenient and practical, and can be called a model of multi-purpose machine.