- Designed for mains current and harmonics measurement in conducted noise and EMC testing.
- Built around a wideband current transformer that provides proportional current output to the mains current.
- Requires a shunt resistor or 50 Ω termination for compatible measurement systems.
- Provides a standard BNC-female output for connection to spectrum analyzers or measurement receivers.
- Includes country-specific mains sockets for convenient connection and testing setups.
- Suitable accessory for mains harmonics analysis using Tekbox receivers such as the TBMR-110M.
TBMHA1
Mains Harmonics Current Coupler
The Tekbox TBMHA1 is a mains harmonics current coupler designed for mains current and harmonics measurements in conducted emission and power quality setups. It uses a compensated wideband current transformer to produce an output proportional to the mains current, enabling accurate measurement of fundamental and harmonic components with a DC-coupled measurement receiver or spectrum analyzer.
Features
Key capabilities and advantages
Specification
Technical specifications and parameters
| Mains voltage range | 100 V – 120 V / 200 V – 240 V; mains voltage selection switch |
| Max. mains current | 16 A, depending on country specific mains output socket |
| Transducer factor | 50 mV/A with 50 Ohm load resistor (DC coupled) |
| Mains input socket | C19, 16 A |
| Mains output socket | country specific; CEE7/3 16 A (Schuko), NEMA 5-15 15 A, AS/NZS 3112:201 15 A, BS1363, 13A |
| Current output socket | BNC-Female |
| Dimensions | W x H x L 100 mm x 118 mm x 240 mm |
| Weight | 1.4 kg |
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