ZX5050 Electrical Energy Meter Field Calibration Instrument AC DC Meter Calibration

The ZX5050 three-phase programmable testing power supply adopts an integrated meter source structure, using an embedded system, a large screen TFT color LCD display, touch screen, CPLD chip, and a series of advanced devices such as high-precision A/D, D/A, etc. It is small in size and light in weight, and can be widely used in the electricity metering industry, electricity laboratories, and other related departments, making it easy to carry and use on site.

1. Touch screen control panel and facial mask button are used to display large amount of information, which is simple and convenient to use.

2. Embedded energy meter, displaying parameters such as voltage, current, frequency, phase, active power, reactive power, apparent power, power factor, etc.

3. It has multiple protection functions: current limiting protection, power amplifier protection, voltage short circuit protection, current open circuit protection, power amplifier thermal protection, and other functions.

4. Intelligent gear: Within the allowable output range of the instrument, users can freely set the rated voltage and current gear of each three-phase voltage and current. The test points and adjustment details of voltage and current refer to the rated gear value set by the user, making it convenient for users to operate.

5. Rich voltage, current, and phase test points for easy operation.

6. Equipped with RS232 serial port for easy computer control and software upgrade.

1. Power output

1) Voltage: 10~450V (internal voltage range 57.7, 100, 220V, 380V), output power 20VA.

2) Current: 0.001-20A (internal current range 0.2, 1, 5, 20A), output power 20VA. (Current 0-100A can be customized)

3) Output frequency: 45-65Hz.

4) Output phase: 0-359.99 °.

5) Stability: voltage and current 0.02%. (2 minutes)

6) Distortion: Voltage and current distortion not exceeding 0.5% (non capacitive load)

2. Output and display accuracy

Project: Resolution

Voltage: 4 significant digits

Frequency: 0.001Hz

Phase: 0.01 °

Power factor: 0.001

Active power: 4 significant digits

Reactive power: 4 significant digits

Apparent power: 4 significant digits

3. Common output regulation test points

1) Voltage test points: 80%, 90%, 100%, 110%, 120%.

2) Current test points: 1%, 5%, 10%, 20%, 50%, 100%, 120%.

3) Phase test points: 0.5L, 0.86L, 1.0, 0.86C, 0.5C.

4) The amplitude of three-phase voltage and current can be adjusted separately, with adjustment fineness of 10%, 1%, 0.1%, and 0.01%; Adjust the range to 125%.

5) The phase and power factor of three-phase voltage and current can also be adjusted in phases, with adjustment fineness of 10 °, 1 °, 0.1 °, and 0.01 °, respectively.

6) UB and UC can also adjust the phase of UA separately.

7) The adjustment of frequency is achieved by adjusting the three-phase voltage and current together, with adjustment fineness of 5Hz, 1Hz, 0.1Hz, and 0.01Hz, respectively.

4. Power supply: single-phase AC 182-262V, 50/60Hz.

5. External size: 500 × six hundred × 178mm

6. Weight: 27Kg.