If a meter has no possibility to open the internal link between voltage and current, the test must be performed with an Isolated Current Transformer (ICT) at each measurement position.
The CL2030-D has a built-in electronic compensation. The ICTs can be remote controlled by PC. A safety protection by controller is built in. This assures that the secondary side is closed in case of high burden or open circuit. Each ICT will be delivered with a company calibration certificate. A certificate issued by an ILAC accredited laboratory is optional available.
Specifications ICT CL2030-D
|Nominal Current||100 A, max. load 120 %|
|Ratio||1 : 1|
|Ratio error||± 0.01 % (0.2 A to 120 A) |
± 0.03 % (0.05 A < 0.2 A)
± 0.05 % (0.01 A < 0.05 A)
|Phase displacement||± 0.3’ (0.2 A to 120 A) |
± 3’ (0.05 A < 0.2 A)
± 8’ (0.01 A < 0.05 A)
|Max. rated secondary voltage||0.7 V|
|Max. rated burden for 10 mA ≤ I < 2 A||200 mΩ|
|Max. rated burden for I ≥ 2 A||0.7 /I|
|Frequency range||45 Hz to 65 Hz|
The ICTs can operate stand-alone or together with a remote control by PC. For remote control with 3rd party equipment, a control box CL2030-3D-CB is needed. An interface-description is available on request.
The links are uses to interconnect the primary side of ICTs. The copper links are galvanized. These links are designed to connect ICTs with a centre to centre distance of min 297 mm and max 317 mm.
If you are test equipment manufacturer you can get the ICT2030-D with your company-logo and without any CLOU indication from outside visible.
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