"TNW-407F2" is a single-phase specification! "TNW-408F2" can measure from single-phase to three-phase three-wire system depending on the number of tracks.
The "TNW-407F2・408F2" is a power impedance stabilization circuit network used to measure the interference voltage leaking from the interference source to the power supply lines within the frequency range of 150 kHz to 30 MHz. The "TNW-407F2" is designed for single-phase use, while the "TNW-408F2" can measure from single-phase to three-phase three-wire systems depending on the number of phases of the device under test. By registering the correction factor of this device in our interference wave intensity measuring instruments (TNM-2401 and TNM-2402), automatic addition can be performed with key operations. 【Specifications (excerpt)】 <TNW-407F2> ■ Number of measurement phases: Single-phase ■ Power line rating: AC/DC 125V, 15A ■ Maximum rating: AC/DC 250V, 15A ■ Dimensions & weight: 300 (W) × 130 (H) × 160 (D) mm, approximately 4 kg *For more details, please refer to the PDF document or feel free to contact us.
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【Other Specifications (Excerpt)】 <TNW-408F2> ■Number of Measurement Circuits: Three-phase 3-wire system ■Measurement Circuit Impedance: 50Ω ■Measurement Terminal: 50Ω (BNC connector) ■Power Circuit Rating: AC/DC 440V, 25A ■Dimensions & Weight: 300 (W) × 130 (H) × 160 (D) mm, approximately 4.5kg *For more details, please refer to the PDF document or feel free to contact us.
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【Purpose】 ■Measurement of interference voltage leaking from the power supply line due to interference sources. *For more details, please refer to the PDF document or feel free to contact us.*
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Our company is engaged in the manufacturing and sales of electronic measuring instruments, as well as repairs. Since September 2014, we have been manufacturing and selling EMC-related products, and we handle products equivalent to those of "Kyoryu Electronic Industry Co., Ltd." which are in high demand from our customers. Additionally, we also provide calibration services for electronic measuring instruments manufactured by Kyoryu Electronic Industry Co., Ltd. and other companies. Please feel free to contact us if you have any requests.