1、 Overview

HG7500Multi functional precisionCalibration instrumentIt is a multifunctional precision display with multi range, wide range, high-precision seven and a half bit output and displayCalibration instrumentThis instrument can output high-precision DC voltage/Current, AC voltage/Current, DC power, and AC power with power factor control, with functions such as resistance simulation, capacitance simulation, and DC voltage and current measurement, suitable for calibration or verificationCalibration devices such as voltmeters, ammeters, power meters, power factor meters, phase meters, frequency meters, multimeters, multimeters, and various power measurement transmitters below level 0.05 can also be used as standard sources. This instrument fully complies withJJG 124-2005 Verification Regulations for Ammeters, Voltmeters, Power Meters, and Resistance MetersJJF 1587-2016Calibration Specification for Digital Multimeters、JJF 1284-2011The relevant requirements of the "Calibration Specification for AC/DC Meter Calibration Instruments" can be widely applied to quality inspection, measurement, teaching and research, and instrument maintenance work in industrial and mining enterprises, aerospace, military, research institutes, railways, power, military, schools and other units.

2、 Main functions and features

stem or root of plantsinstrumentVerifiableThe instruments are as follows: indicating instruments，AC voltmeter,exchangeAmmeter, single-phaseexchangepower meter，DC voltmeterdirect-currentAmmeterdirect-currentpower meter, resistance meter、Capacitive meter, clamp meter*Wait.

2.1AC/DC voltage output1000V，maximum1100 V；electric currentoutput100A，maximum110A.Communication frequency range:45Hz～1kHz.

2.2Simulated resistance range:0～200MΩ;Analog capacitor output range:0.1nF～200uF;Continuing Adjust.

2.3 Transmittermeasuring range：0～±12V; 0～± 24mA.

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

2.5Strong load capacity, ensuring stable and accurate measurement values under full load conditions, and can cover the calibration of analog meters.

2.6Output has“Fixed point output, potentiometer adjustment, rotary encoder, step ratio”Various methods of adjusting values.

2.7Equipped with a large-sized LCD touch color screen, the measurement value display is intuitive and the operation is very convenient.

2.8 *Optional25T/50TThe coil can generate a maximum of2000AEquivalent current for calibrating AC/DC clamp meters.

2.9The output has comprehensive software and hardware protection functions, improving the long-term reliability of the device.

3、 Main technical indicators

3.1 Technical indicators of DC voltage（20℃±2℃）：

3.2 Technical indicators of DC current（20℃±2℃）：

3.3 Technical indicators of AC voltage（20℃±2℃）：

3.4 Technical indicators of AC current（20℃±2℃）：

3.5 Technical indicators of power, power factor, phase, and frequency（20℃±2℃）：

Scope of AC power assessment:

Voltage:30V, 100V, 300V, 600V

electric current:1A, 2A, 5A, 10A, 20A

Frequency:50Hz

3.6 Analog Resistance Technical Indicators（20℃±2℃）：

3.7 Simulation capacitor technical indicators:

3.8 DC measurement (transmitter):

3.9 Other technical indicators:

weight Quantity:≤20.5Kg (excluding accessories and packaging boxes)

body Accumulate:520mm×445mm×205mm

Working power supply: AC220V±10%

Working environment: Temperature-20～40°C. Relative humidity ≤ 85%.