Catalogue / Distribution transformer monitoring units (DTMU)
DT health monitoring RTU, Duo seriesSample
by Chola Meters (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Duo range of DT health monitoring RTU by Chola covers 4 DT rating covered options (Up to 63 kVA to 500-1000 kVA). Design: remote configuration of thresholds, interface to discom SCADA/AMI platform and power failure last-gasp message. Typically used for transformer failure prevention, theft detection at feeder/DT level and RDSS distribution loss reduction. Designed and tested to IS 16444, IS 15959 and IEC 62053-22. Lead time 6-8 weeks; delivers to South India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Chola
- Model
- CHO-E72 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 2 nos
- Lead time
- 6-8 weeks
- Warranty
- 24 months from supply
- Standards
- IS 16444, IS 15959, IEC 62053-22
- Delivers to
- South India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Wooden crate, seaworthy
- Delivery terms
- FOR site, freight included
- Returns
- Replacement of items damaged in transit within 7 days
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| DT rating coveredUp to 63 kVACHO-E72-01 | DT rating covered: Up to 63 kVA | 2 nos · 6-8 weeks | for verified buyers |
| DT rating covered100-200 kVACHO-E72-02 | DT rating covered: 100-200 kVA | 2 nos · 6-8 weeks | for verified buyers |
| DT rating covered250-400 kVACHO-E72-03 | DT rating covered: 250-400 kVA | 2 nos · 6-8 weeks | for verified buyers |
| DT rating covered500-1000 kVACHO-E72-04 | DT rating covered: 500-1000 kVA | 2 nos · 6-8 weeks | for verified buyers |
Specifications
| DT rating covered | Up to 63 kVA to 500-1000 kVA (see variants) |
|---|---|
| Measurement | V, I, kW, kVA, PF, THD |
| Accuracy class | 0.5S |
| CT input | Split-core CT 100/5 Amade to order: Split-core CT 600/5 A / CT 1000/1 A |
| Communication | RF mesh |
| Oil temperature sensor | Not included |
| Alarms | Overload, unbalance, phase failure, low voltage |
| Protocol | Modbusmade to order: MQTT / IEC 60870-5-104 |
| Data interval | 15 min |
| Power supply | Self-powered from LT (3-ph) |
| Enclosure | IP65 polycarbonate |
| Load survey | 60 days internal |