MCSDN-S33 Three-Phase Portable Electric Energy Meter Verification Device

Model: MCSDN-S33 Quantity: 1 set Manufacturer: Hubei MECI Electric Power Equipment Co., Ltd

Category: Metrological verification device

Keywords: MCSDN-S33 Three-Phase Portable Electric Energy Meter Verification Device

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Product Overview

The MCSDN-33 series three-phase portable multifunction electric energy meter verification device features a luxurious aluminum alloy enclosure and a detachable aluminum alloy meter-hanging rack, making it suitable for verifying all types of three-phase electric energy meters with accuracy classes of 1.0 and below. With its elegant and sophisticated appearance, meticulous craftsmanship, comprehensive functionality, and outstanding performance, this instrument is sure to win your favor.

Product Features

  • Adopts an integrated meter-source architecture, featuring a built-in Class 0.05 three-phase wide-range multifunction digital reference meter that allows software-based reading of all electrical parameters.
  • Employing the latest DDS technology, 36,000-point waveform synthesis, a large-scale CPLD, and a 32-bit embedded system, this signal source boasts high output stability, fine adjustment resolution, and low distortion.
  • Equipped with a 7-inch color touchscreen LCD featuring the latest RAM-based system, this display provides extensive information visualization, including three-phase voltage, current, active power, reactive power, and apparent power. It also supports the display of power vector diagrams, waveform analysis charts, and other functions.
  • It employs a compact, high-efficiency PWM digital power amplifier with an efficiency exceeding 90% and a 300 kHz switching frequency, offering advantages such as low distortion, minimal heat generation, and high efficiency.
  • It features comprehensive protection functions, including voltage short-circuit alarm, current open-circuit alarm, and overload alarm.
  • Equipped with a high-stability, temperature-compensated crystal oscillator that outputs 500 kHz high-precision pulses, this instrument can test the clock of electric energy meters. When used in conjunction with meter calibration management software, it can measure daily timing errors, time-of-use switching errors, and other parameters. (Optional feature)
  • Equipped with an RS-485 communication interface, it can perform various communication tests on multifunction electric meters. (Optional feature)
  • It can operate without a computer, automatically verifying electric energy meters according to built-in procedures, and can store data for more than 10,000 meters.
  • Equipped with a USB interface, the device supports automatic firmware upgrades via USB flash drive and data export for storage. An external mouse can also be connected for direct operation of the device.

 

Technical Specifications

1. Instrument accuracy class: Class 0.05 or Class 0.1 (accuracy class to be customized as required).

2. Computer communication port: RS232 communication port

3. Technical parameters of the three-phase power supply:

3.1 Output Voltage:

3 × 57.7 V Y 3 × 100 V ∆

3 × 220V Y 3 × 380V ∆

Adjustable range: 0–120%, continuously adjustable

Fineness adjustment: better than 0.01%

3.2 Output current: 25 mA, 0.1 A, 1 A, 5 A, 25 A, 100 A

Adjustable range: 0–120%, continuously adjustable; adjustment resolution better than 0.01%.

Minimum output current: 1 mA (accuracy: <5%)

3.3 Output Power: (Voltage Circuit) 3 × 50 VA

(Current circuit) 3×150 VA

3.4 Output voltage, current, and power stability;

≤0.02%/120s

3.5 Output voltage and current waveform distortion: ≤ 0.5%

3.6. Three-phase symmetry: better than 120 o Soil 0.3 o

3.7 Frequency range: 45 Hz to 65 Hz; Adjustment resolution: 0.01 Hz

3.8 Phase Shift Range: -180.0 o ~180.0 o Fineness adjustment: 0.01 o

3.9 Indicating instrument accuracy class: Voltage and current meters shall have an accuracy of ±0.01%.

Phase meter accuracy is ±0.01. o

The frequency meter accuracy is ±0.01 Hz.

4. Technical parameters of the built-in three-phase standard meter:

4.1 Voltage Input

Input range (V): 40–480

Input range (V): 60, 120, 240, 480

Accuracy class: 0.02

Overload Capacity (V): 600

Input load ≤0.5 mA (480 V)

4.2 Current Input

Input range (A): 0.01–100

Input range (A): 100, 50, 25, 10, 5, 2.5, 1, 0.5, 0.25, 0.1, 0.05, 0.025

Accuracy class: 0.02

Overload Capacity (A): 150

4.3 Accuracy

4.3.1 Accuracy Class: 0.05 (0.1 A to 120 A)

4.3.2 Power Measurement Accuracy

Active power measurement accuracy: 0.05%/0.1% (PF ≥ 0.5)

Reactive power measurement accuracy: 0.1% and 0.2% (PF ≥ 0.5)

4.3.3 Accuracy of Electrical Energy Measurement

Active energy measurement accuracy: 0.05% and 0.1% (PF ≥ 0.5)

Reactive energy measurement accuracy: 0.1% or 0.2% (PF ≥ 0.5)

5. The device features comprehensive protection functions: voltage short-circuit protection, current open-circuit protection, and load overload protection.

Monitor overvoltage protection.

6. Supports harmonic tests from the 2nd to the 21st order, as well as voltage interruption and sag tests; harmonic amplitude is adjustable.

7. Power supply: 230 V ±10% ~ 50 Hz

8. Maximum Power Consumption: 300 VA

9. Operating environment: temperature 20°C ± 5°C, relative humidity ≤ 85%.

MCSDN-S33 Three-Phase Portable Electric Energy Meter Verification Device

MCSDN-S33 Three-Phase Portable Electric Energy Meter Verification Device

Model: MCSDN-S33 Quantity: 1 set Manufacturer: Hubei MECI Electric Power Equipment Co., Ltd

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Tel： 86-13307164232

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