TTR-I Digital Transformer Turns Ratio Tester for | RFQ Sourcing Details
Transformers And Substation Equipment · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Transformers And Substation Equipment. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
The TTR-I is a digital transformer turns ratio tester intended for routine field and substation checks. It measures the voltage ratio of single-phase and three-phase transformers and is also described for CT and PT ratio detection. The stated applicability covers most transformer types except Z-type transformers.
Its ratio measurement range is 1–10,000. Stated ratio accuracy is ±0.2% of reading from 1 to 2,000 and ±0.5% of reading from 2,000 to 10,000. Group measurement settings cover 1–12, while the stated phase measurement error is 1°. The tester supplies continuously adjustable AC test voltage from 0 to 80 V at 50 Hz.
Its internal power amplifier generates the test supply with a stated waveform distortion below 0.5%. Measurements and test results are shown on a 320 × 240 LCD. Results can be stored in the tester or printed using the integrated micro printer.
A standard transformation-ratio setting template is provided to reduce manual ratio calculations. Automatic voltage regulation and protection functions for conditions including reverse transformer connection and overcurrent are also described. The instrument requires AC 220 V ±10% at 50/60 Hz.
Its stated operating environment is 0–50°C at no more than 85% relative humidity. Instrument dimensions are 400 × 350 × 200 mm, and the supplied test cables are stated to be 8 m long. A wooden transport case is listed, with packaged dimensions of 580 × 450 × 350 mm and a gross package weight of 22 kg.
Procurement note: the source information gives conflicting instrument weights of 7 kg and 20 kg, so buyers should confirm the net weight before ordering.
Buyers should also verify transformer winding-group compatibility, the supplied lead and accessory set, calibration documentation, printer consumables, plug configuration, and whether the stated IEC 76-1 and IEC 60044 design references match the required project specification.
The product-specific listing states a one-year warranty with free repair service, but the exact coverage, exclusions, freight responsibility, and service procedure should be confirmed in the purchase documentation.
TTR-I | Applications and Buyer Notes
TTR-I is organized as a sourcing-ready Transformers And Substation Equipment reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Transformers and Substation EquipmentBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Model
- TTRBased on visible page data; confirm exact value in the RFQ.
- Display
- 320 × 240 LCDBased on visible page data; confirm exact value in the RFQ.
- Operation
- ManualBased on visible page data; confirm exact value in the RFQ.
- Power supply
- AC 220 V ±10%, 50/60 HzBased on visible page data; confirm exact value in the RFQ.
- Packaged size
- 580 × 450 × 350 mmBased on visible page data; confirm exact value in the RFQ.
- Equipment type
- Digital transformer turns ratio testerBased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
Product sourcing keywords
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