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Partial Discharge Coupler HW 40
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Partial Discharge Coupler HW 40
Product catalog summary
Overview: The Partial Discharge Coupler HW 40 is designed for active line coupling in shielded devices under test (DUTs). It is used when partial discharge detection via an antenna is not feasible. The coupler decouples signals inductively and transmits them without potential interference, utilizing filters to minimize industrial noise.
Technical Specifications:
- Mid-Band Frequency: 317 MHz ± 1 MHz
- Receiver Channel Range: 13 MHz
- Input Level: Minimum: -90 dBm / 3 dB, Maximum: +27 dBm
- Channel-selection: 90 dB ± 35 MHz
- Video Bandwidth: 2 MHz
- Pulse Demodulation Edges: 300 ns 10% / 90%
- Receiver Dynamic: 60 dB
- Video Output Level: 1.2 V / 50 Ω / Scope 1 MΩ AC
- Antenna / H-field Loop: 2 x 120° / 1 dB aperture angle
Power Supply: Phantom Powering with Output DC + 24 V / 48 mA, featuring internal reverse polarity protection.
Connections:
- VHF-Antenna: 2 x SMA-f / 50 Ω
- Video Output: SMA-f / 50 Ω
Temperature Range:
- Storage Temperature: -20 °C to 80 °C (-4 °F to 176 °F)
- Operation Temperature: 0 °C to 50 °C (32 °F to 122 °F)
Mounting and Dimensions:
- Mounting Holes: 4 x ø 4 mm slotted holes / 113 x 25 mm (4 x ø 0.16 in slotted holes / 4.45 x 1.0 in)
- Dimensions (without interfaces): Height: 25.5 mm (1.0 in), Width: 58 mm (2.3 in), Depth: 126.5 mm (4.9 in)
- Weight: 190 g (0.42 lbs)
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Catalog excerpts
Partial Discharge CouplerHW 40 Active line coupling, for shielded DUTs. If it is not possible to detect the partial discharge via an antenna, the signal is decoupled via the active line coupling HW 40. The line coupling is supplied via the test device. The signal is decoupled inductively and transmitted potential-free. Filters with a low bandwidth and a center frequency of 317 MHz largely filter out interference in industrial environments.
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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