TekBox TBMHA1 Mains Harmonics Current Coupler (DC - 150 kHz)
The TekBox TBMHA1 is a current coupler primarily designed for mains harmonics measurements according to the EN 61000-3-2 standard. The device is built around a REO WKO/CL-P25 AC/DC compensated wideband current transformer, with the mains line passing through its core aperture.
The TBMHA1 produces a current proportional to the mains current of the connected load. Consequently, it requires a shunt resistor, which can be the input impedance of a DC-coupled measurement receiver or a BNC 50 Ohm feed-through termination attached to the current coupler output. With a 50 Ohm load, the transducer factor is 50 mV/A. The device supports mains currents up to 16 A and is equipped with specific input and output connectors.
Key Features:
- Frequency range: DC – 150 kHz.
- Max mains current: 16 A (with transformer maximum primary current range of 25 A).
- Transducer factor: 50 mV/A (with 50 Ohm load resistor, DC coupled).
- Applications: Mains harmonics measurements (EN 61000-3-2).
- Mains input socket: C19, 16 A.
- Mains output socket: Country-specific versions available (Schuko, NEMA, etc.).
- Current output socket: BNC-Female.
Batter Fly s.r.l. is an Italian company established in 2002 with VAT number IT02235301203
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