(1) Dual calibration mode: supports the virtual load calibration mode of real-time sampling of analog quantities or the virtual calibration mode of digital fitting method to conduct laboratory calibration of digital electric energy meters; supports the real load mode to conduct online testing of digital electric energy meters at the smart substation site Test.
(2) Complete test items: support basic electric energy error, electric energy meter pulse constant test, daily timing error test, voltage effect test, frequency effect test, harmonic effect test, phase sequence effect test, voltage asymmetry effect test, starting test, Test projects such as latent motion test.
(3) Protocol test: The number of ASDU units, number of sampling points, SVID, APPID, MAC address, channel number and other communication parameters can be flexibly configured; it supports event recording of digital electric energy meters, sampling value protocol consistency, channel abnormalities, and sampling rate impact Protocol testing such as network anomalies.
(4) IR46 waveform support: In virtual calibration mode, it supports outputting various test waveforms such as the 5th harmonic, square top wave, spire wave, interharmonic pulse train trigger wave, odd harmonics, sine half wave, etc.
(5) Event simulation: Supports communication failure simulation tests, such as frame loss, communication delay, channel abnormalities, etc., to comprehensively assess the communication function and fault tolerance of digital energy meters.
(6) SCL file parsing: Supports SCL configuration file parsing function, which can directly configure the corresponding SVID, APPID, number of sampling points, number of ASDUs, channel configuration and other information according to the selected MU.
(7) Traceable analog system: Models with analog input modules can also use standard energy meters (such as COM3000) to achieve accuracy verification and value transfer.
Simog measurement accuracy |
Voltage measurement | 20-120v 0.05%rd |
Electric current measurement | 50ma-10a 0.05%rd |
Power measurement Frequency measurement | 50ma-10a pf=1 0.05%rd |
| 50ma-10a 0.1%rd pf>0.5L |
Electric energy pulse | 45hz to 65hz quasiveness<0.01 hz |
Set the range of the number of calibration circles |
Maximum received pulse frequency | From 1.0 to 100.0（number of decimal points that can be entered） |
The pulse constant can be set in a range | 1khz |
Else | 3600-2000000 r/kwh |
Type of communication protocol |
Power supply voltage | Iec61850（-9-2、-9-2le） |
Work environment | Ac 220v ± 10% (50 ± 2) hz |
Voltage measurement | 5℃~40℃，20%r.h~85%r.h， |
