VS-6628A Handheld Digital Transformer Turns Ratio Tester TTR Meter
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Product Highlights
- Portable Handheld Design: Compact size (246x156x62mm) and lightweight (1.7kg) for easy carrying and operation.
- Comprehensive Testing Functions: Tests turns ratio, phase displacement, and polarity for transformers, PTs, and CTs.
- OEM/ODM Customization: Supports full customization from samples, designs, and minor adjustments.
- ISO9001 Certified Quality: Manufactured under ISO9001:2015 system with 100% finished product inspection.
- 1 Year Warranty: Provides a 1-year warranty with video online after-sales service support.
- Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
- Low Minimum Order: Minimum Order Quantity is just 1 piece, suitable for various purchase scales.
Product Attributes
- Customization
- Available
- After-sales Service
- Video Online Solution
- Warranty
- 1 Year
- Model NO.
- VS-6628S
- Max Diameter of Workpiece
- Power Quality Tester
- Mass Scope of Workpiece
- Power Quality Tester
- Type
- Power Quality Tester
- Maxcapacity
- Power Quality Tester
- Accuracy Grade
- 1
- Load Way
- Electronic Load
- Loading Method
- Dynamic Load
- Display
- Digital
- Control
- Computer Control
- Weight
- 0-100Kg
- Power Source
- AC220V
- Oil Cylinder Position
- Power Quality Tester
- Product Name
- Handheld Transformer Turns Ratio Tester
- Model Number
- Vs-6628S
- Resolution
- 0.0001
- Typical Application
- Tests Turns Ratio, Phase Displacement and Polarity
- TTR Meter
- Transformer Turns Ratio Tester
- Net Weight
- 5 Kg
- Transport Package
- Wooden Box with Foam Inside
- Specification
- Dimensions: 246mm * 156mm * 62mm
- Trademark
- WESHINE
- Origin
- China Hebei
- HS Code
- 9030332000
- Production Capacity
- 300 Pieces/Per Month
- Package Size
- 27.00cm * 20.00cm * 10.00cm
- Package Gross Weight
- 5.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of VS-6628A Handheld Digital Transformer Turns Ratio Tester TTR Meter
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Product Description
Hand-held transformer turn ratio tester represents an innovative testing instrument engineered with a compact form factor to support handheld operation, delivering outstanding portability for on-site power asset inspections. This device is widely deployed to conduct transformer turn ratio group measurements, as well as polarity verification for potential transformers (PT) and current transformers (CT). Featuring rapid testing speed and superior measurement accuracy, it streamlines field diagnostic workflows for power transformers and instrument transformers.
In power substation maintenance and commissioning scenarios, transformer turn ratio and winding polarity are critical indicators to judge winding connection correctness, short-circuited turns and winding defects. Traditional bench-type turn ratio testers are bulky and inconvenient to transport to remote field sites. By contrast, this handheld model eliminates heavy setup work, allowing technicians to complete turn ratio scanning and polarity validation directly at the equipment location. It can reliably capture turn ratio data across all tap changer positions and confirm PT/CT polarity relationships efficiently, helping engineers identify hidden winding faults before they escalate into serious operational failures. Built to meet industry test standards, the tester maintains stable high-precision readings under variable on-site environmental conditions, making it a preferred tool for power utility teams, electrical contractors and transformer service providers.
Specification:|
ITEM
|
VALUE
|
|
Product Name
|
Handheld Transformer Turns Ratio Tester
|
|
Resolution
|
0.0001
|
|
Power Supply
|
AC220 V, 50 HZ
|
|
Accuracy(>1000,≤30)
|
±(rdg*0.2%+2dgt)
|
|
Accuracy(≤1000)
|
±(rdg*0.1%+2dgt)
|
|
Accuracy(>3000)
|
±(rdg*0.3%+2dgt)
|
|
Typical Application
|
Tests turns ratio, phase displacement and polarity
|
|
TTR Meter
|
Transformer Turns Ratio Tester
|
|
Dimensions
|
246mm * 156mm * 62mm
|
|
Weight
|
1.7 kg
|
Product Description:



Company Profile:





About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR266694". Items marked "" are certified.
Company Profile
Weshine Electric Manufacturing Co., Ltd. Founded in 2013 with a registered capital of 80.5 million, is a modern high-tech enterprise specializing in the research and development, production, sales and service of power system automation devices and test instruments The company has strong technical force and complete testing equipment. The enterprise covers an area of 1200 square meters, including 800 square meters of production workshop. The company now has 98 employees, including 30 engineering and technical personnel and 4 safety supervisors in the production process, the company gives full play to its technical advantages and strictly controls the quality, effectively improving the technical content of the products and the reliability and safety of the products. The products have been tested by the national authoritative department, and the technical indicators have reached the national standards. The company in line with the professional, innovative, integrity concept and customer first service attitude, continuous improvement, strive to develop, and work together with domestic and foreign counterparts to create a better tomorrow. We are looking forward to cooperating with you sincerely and making great plans together.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Room 602, Building 3, Diangu Technology Center, 3088 Lekai North Street, Baoding, Hebei, China
-
Plant Area
- 3000 square meters
-
Number of Employees
- 36
-
Registered Capital
- 15,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 2
Our Production Capability & Technical Expertise
-
Main Products
- Transformer Tester, Insulating Oil Tester, Hipot Tester, Insulating Tester, Circuit Breaker Tester, Relay and Protection Tester, Sf6 Gas Tester, Partial Discharge Tester, Battery Tester, Power Quality
-
Production Lines
- 1
-
Production Machines
- Wire Stripping Machine, Super Mute Terminal Machine, Assembly Production Line, Constant Temperature and Humidity Chamber
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 10 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2013-09-17
-
Export Year
- 13 Years
-
Main Markets
- South America, Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001, Others
-
Product Certification
- Others
-
Cooperated with Fortune 500
- No
FAQ
- What tests can this device perform?
- It is mainly applied to test transformer turns ratio, phase displacement, and polarity for transformers, PTs, and CTs.
- Is customization available for this product?
- Yes, OEM and ODM services are available. Customization options include full customization from samples, designs, and minor customization.
- What is the minimum order quantity (MOQ)?
- The minimum order quantity is 1 piece.
- What are the payment terms?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
- What is the lead time for production?
- The average lead time is one month for both peak season and off-season.
- What warranty and after-sales service are provided?
- We provide a 1-year warranty and video online solution for after-sales service.
- What are the device dimensions and weight?
- The dimensions are 246mm * 156mm * 62mm, and the net weight is 1.7 kg.
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