Catalogue / SFRA, winding resistance & turns-ratio testers
Sweep frequency response analyser, Duo 4 seriesSample
by Narmadaphase Test Instruments (Sample) · verified by BARREL
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Sweep frequency response analyser from Narmadaphase, Duo 4 series: 6 test current / range options between 1 A winding resistance and SFRA 20 Hz-2 MHz. Highlights: automatic tap changer sequence, demagnetisation function and measurement of three phases in one connection. Suited to post-transport check, fault diagnosis after through-fault and transformer acceptance testing. Designed and tested to IEC 60076-18, IEEE C57.149 and IEC 60076-1. Lead time 3-4 weeks; delivers to East & North-East India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Narmadaphase
- Model
- NAR-369 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 3-4 weeks
- Warranty
- 24 months with calibration
- Standards
- IEC 60076-18, IEEE C57.149, IEC 60076-1
- Delivers to
- East & North-East India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Drum / reel with end caps
- Delivery terms
- FOR nearest railhead
- Returns
- Returns within 15 days if unused, in original packing
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Test current / range1 A winding resistanceNAR-369-01 | Test current / range: 1 A winding resistance | 1 nos · 3-4 weeks | for verified buyers |
| Test current / range5 A winding resistanceNAR-369-02 | Test current / range: 5 A winding resistance | 1 nos · 3-4 weeks | for verified buyers |
| Test current / range10 A winding resistanceNAR-369-03 | Test current / range: 10 A winding resistance | 1 nos · 3-4 weeks | for verified buyers |
| Test current / range40 A winding resistanceNAR-369-04 | Test current / range: 40 A winding resistance | 1 nos · 3-4 weeks | for verified buyers |
| Test current / rangeTTR 0.8-10000NAR-369-05 | Test current / range: TTR 0.8-10000 | 1 nos · 6-10 weeks | for verified buyers |
| Test current / rangeSFRA 20 Hz-2 MHzNAR-369-06 | Test current / range: SFRA 20 Hz-2 MHz | 1 nos · 6-10 weeks | for verified buyers |
Specifications
| Test current / range | 1 A winding resistance to SFRA 20 Hz-2 MHz (see variants) |
|---|---|
| Instrument | Turns ratiomade to order: SFRA / Winding resistance |
| Accuracy | 0.5%made to order: 0.1% |
| Frequency range | 10 Hz to 25 MHzmade to order: 20 Hz to 2 MHz |
| Dynamic range | Over 100 dB |
| Display | PC basedmade to order: Colour TFT |
| Phase measurement | Not included |
| Test voltage | Up to 100 Vmade to order: Up to 250 V |
| Interface | Ethernetmade to order: USB |
| Tap changer test | Dynamic current trace |
| Weight | 15 kg |