MCYM-1A Three-Phase Energy Meter Field Calibration Instrument

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

Category: Metrological verification device

Keywords: MCYM-1A Three-Phase Energy Meter Field Calibration Instrument

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Product Overview

Product Features

32-bit high-speed digital signal processor

China’s first system to employ TI’s 32-bit, high-speed 150 MHz DSP and ADI’s high-performance 12-channel, 16-bit ADC has successfully developed a multifunctional, wide-range digital multiplier that utilizes floating-point arithmetic to ensure computational accuracy.

Simultaneous measurement of active power, reactive power, or the errors of two electric energy meters.

It more than doubles the work efficiency compared with traditional verification methods.

Wiring simulation function

Without connecting any voltage or current signals, the instrument can simulate various field wiring configurations in the office and generate the corresponding wiring results. This feature can be used as a training tool for fault-location troubleshooting, thereby enhancing the on-site personnel’s fault-diagnosis skills.

Unbalanced measurement

Capable of measuring voltage quality and three-phase three-wire/three-phase four-wire current imbalance.

Quickly and efficiently detect hidden faults, electricity theft, leakage, and other abnormal conditions.

5A Clamp Error Self-Check

The instrument can generate 5 A and 0.5 A current signals, which are applied to the 5 A clamp meter to measure its measurement error.

This resolves the issue of drift in measurement accuracy that occurs with 5A clamp meters after prolonged use. It also allows real-time monitoring of the clamp meter’s closure status and prompts staff to clean the clamp jaws.

Automatic entry of electric meter number

Supports barcode scanners for automatic entry of electric meter codes.

Infrared reading head for automatic data acquisition from multi-function electric energy meters

Utilize RS-485 or an infrared optical sensor to read the base values of active and reactive energy for the peak, high-peak, flat, low-peak, and total periods from a multi-function electric energy meter. Supports the national standard DL645 and the Landis+Gyr IEC 1107 protocol.

Online Testing of PT and CT Secondary Loads

Technical Specifications

Voltage range 30V～480V

5A

end

child

Active energy, power ±0.05% ±0.1%
Voltage error ±0.05% ±0.1% Reactive energy, power ±0.2%

Current range

(Overloaded by a factor of two)

Terminal

0.2–5 A wide measurement range

(Guaranteed Indicator)

Electric current ±0.05% ±0.1%

5A

Pliers

Table

 

 Active energy, power ±0.1% ±0.2%
Clamp meter

5A, 100A

500A, 1000A

Reactive energy, power ±0.2%
Electric current ±0.1% ±0.2%
Input frequency range 45-55Hz Self-test current 5A, 0.5A
Frequency measurement error ±0.01 Hz Self-check error ±0.1%
Phase measurement range -180°~ +180°

High current

Pliers

Active energy, power ±0.2% ±0.5%
Maximum Phase Error ±0.05° ±0.1° Reactive energy, power ±0.2% ±0.5%
Harmonic Measurement ±0.05% Electric current ±0.2% ±0.5%
Harmonic Measurement Range 2 to 21 times

Its

 

It

Turns Ratio Measurement ±0.2% ±0.5%
Pulse constant Low frequency 5A3600P/kWh Voltage Impact < ±0.01%
Other 3600*(5/Ie)P/kWh Frequency Impact < ±0.01%

High

frequency

5A3.6x107  P/kWh Temperature Influence < ±0.005%/°C
Other

3.6x107   *(5/Ie)

P/kWh

Worsened in 24 hours < ±0.01%
Harmonic Impact < ±0.01%
  Note: Ie—rated current Power-on stabilization time <3 minutes
Power Supply AC 55V - 260V Ambient temperature -25℃ to +45℃
Power Consumption <  17W Relative Humidity 40%-95%
External dimensions 330mm*280mm*75mm Weight <  3kg
MCYM-1A Three-Phase Energy Meter Field Calibration Instrument

MCYM-1A Three-Phase Energy Meter Field Calibration Instrument

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

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Tel： 86-13307164232

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