MT3000D Onsite KWH Meter Testing Device

Item

content

index

Accuracy class

Class 0.05

Class 0.1

voltage(AC)

Range

60V,100V,200V,400V

Measuring range

30V~480V

 Measuring accuracy

±0.05%

±0.1%

Current(AC)

Direct input

Range

1A,5A,20A

Measuring range

0. 1~20A

 Measuring accuracy

±0.05%

±0. 1%

Clamp input

Range

5A

Measuring range

0.1~6A

Measuring accuracy

±0.1%

±0.2%

Clamp input

Range

100A

Measuring range

5~120% of Clamp nominal value

Measuring accuracy

±0.5%

Frequency

range

45~65Hz

Measuring accuracy

±0.05%

±0.1%

Phase

range

+180°~-180°

Measuring accuracy

±0.1°

±0.5°

Power Measurement

(current direct input)

Acitve measurement

±0.05%

±0.1%

Reactive measurement

±0.2%

Basic errors

(current direct input)

0.01A~0.1A(cosφ=1.0;0.5L)

±0.1%

±0.2%

0.1A~20A(cosφ=1.0;0.5L)

±0.05%

±0.1%

0.1A~20A(sinφ=1.0;0.5L)

±0.2%

±0.2%

Connect mode

3 phase, 3 wire

Active/ ture reactive/ cross reactive

3 phase, 4 wire

Active/ture reactive/60° shift reactive/ 2-component cross reactive/ 3-component cross reactive/ man-made netural reactive

variation

8 hours variation

0.015

0.03

24hours variation

0.01

0.02

Yearly variation

0.03

0.06

Measurement repeatability

cosφ=1.0

0.005

0.01

cosφ=0.5L

0.005

0.01

Rated output impulse

High-frequency

30kHz

Low-frequency

3Hz

LEV amplitude

5V

Working power supply

Voltage

80~400V

frequency

50Hz

Power consumption

≤15VA

Working circumstance

Temperature range

-10°C~45°C

Humidity range

30-80%RH

Outside dimensions

L×W×H

320mmX220mmX140mm

weight

4kgs