Portable three-phase energy meter calibration device

NegotiableUpdate on 03/30

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

Portable three-phase energy meter calibration device

Product Details

Main functions

8-inch color touch screen LCD display, Chinese interface display, function menu touch screen control, simple and convenient operation;
Can simultaneously verify 1-3 electric energy meters of the same type and constant;
The devices are all integrated with a meter and source, with a wide output range for voltage and current. The maximum voltage limit is 660V, and the current limit is 50mA-50A.
It can automatically or manually calibrate the basic error, creep, starting, standard deviation and other calibration items of the electric energy meter. The calibration scheme for automatic calibration can be set by users according to specific needs.
It is possible to conduct tests on the changes caused by factors such as voltage, frequency, harmonics, reverse phase sequence, and voltage imbalance on the electric energy meter.
Special waveform tests such as phase triggering and pulse train triggering can be conducted in the type test of electric energy meters.
Equipped with a constant temperature crystal oscillator, it can detect the daily timing error of the electric energy meter.
Supporting DLT-645 (2007) communication protocol, it can complete various multifunctional test projects such as demand indication error, demand cycle error, time slot switching error, rate slot energy indication error, etc.
It can output 2-63rd harmonic and be used as a harmonic source.
There are three display modes: amplitude and phase values of harmonic output, harmonic waveform graph, and bar graph.
Can store 1000 inspection table records and manage the stored inspection table records.
The instrument is equipped with an Ethernet port, RS-232 (COM1) for online operation with a PC, and RS-485 (COM2, COM3) for connecting to the corresponding port of the tested energy meter.
USB interface: convenient for users to use a mouse, keyboard, or USB flash drive to exchange data with a PC.
The verifiable electric energy meters include: single-phase active energy meter, three-phase three wire active energy meter, three-phase three wire composite meter, three-phase four wire active energy meter, three-phase four wire composite meter, three-phase three wire sine reactive energy meter, three-phase four wire sine reactive energy meter, two element 60 degree reactive energy meter, two element 90 degree reactive energy meter, and three element 90 degree reactive energy meter.

Technical performance indicators

1. AC voltage output

AC voltage output limit: 100V, 220V, 380V, 660V
Adjustment range: (0-120)% RG, RG is the limit, the same below
Adjustment fineness: 0.01% RG, 0.1% RG, 1% RG, 10% RG optional
Stability: 0.01%/2min
Distortion: ≤ 0.2% (non capacitive load)
Maximum output load: 20VA per phase
Measurement accuracy: 0.05% RG

2. AC current output

AC current output limit: 50mA, 200mA, 1A, 5A, 16.67A, 50A
Adjustment range: (0-120)% RG, RG is the limit, the same below
Adjustment fineness: 0.01% RG, 0.1% RG, 1% RG, 10% RG optional
Stability: 0.01%/2min
Distortion: ≤ 0.2% (non capacitive load);
Maximum output load: 60VA (50A gear, 120% output)
Maximum output load: 120VA (100A gear, 120% output)
Measurement accuracy: 0.05% RG;

3. Power output

Power output stability: 0.01% RG/2min

Accuracy of active and reactive power measurement: 0.05% RG

4. Phase output

Output adjustment range: 0 °~360 °
Output adjustment fineness: 10 °, 1 °, 0.1 °, 0.01 ° optional
Resolution: 0.01 °
Measurement accuracy: 0.05 °

5. Power factor output

Adjustment range: -1 to 0 to+1; Measurement resolution: 0.0001; Measurement accuracy: 0.0005

6. Frequency output

Adjustment range: 40Hz~70Hz;
Output adjustment fineness: 1Hz, 0.1Hz, 0.01Hz, 0.001Hz optional
Resolution: 0.001Hz
Accuracy: 0.002 Hz

7. Harmonic setting

Harmonic frequency: 2-63 times; Harmonic content: 0-40%;
Harmonic phase: 0 °~359.99 °
Harmonic setting error: 2-31 times: ≤± 0.1%, 32-63 times: ≤ ±0.2%

8. Measurement of electrical energy error

Basic error limit of active power:
± 0.05% RD (voltage 40V-660V, current 0.02A-60A, F ≥ 0.5)
± 0.1% RD (voltage 40V~660V, current 0.01A~0.02A, PF=1)
Basic error limit of reactive power:
± 0.1% RD (voltage 40V-660V, current 0.02A-60A, PF ≥ 0.5)
± 0.2% RD (voltage 40V~660V, current 0.01A~0.02A, PF=1)

9. Technical indicators of standard crystal oscillator

Frequency accuracy: ± 0.5ppm, calibrated at factory (25 ℃)
Frequency stability: ± 0.1ppm- 20℃～+70℃

10. General parameters

Power supply: AC 220V ± 15% 50Hz~60Hz
Power consumption: 50VA-1000VA
Working environment: 20 ℃~30 ℃, relative humidity ≤ 85% Storage environment: -20 ℃~50 ℃
Size: 600m (depth) x 440m (width) x 176 (height) Weight: 28kg