Stable Automatic Power Transformer TTR Vector Group Turns Ratio Test Meter
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Product Highlights
- High Precision Measurement: Accuracy guaranteed at 0.3% for ratios up to 10000.
- Blind Test Capability: Performs ratio and group tests without knowing high-low voltage linkage.
- Wide Application Range: Supports transformer ratio, PT, CT polarity, and Z-type transformer tests.
- Robust Protection Functions: Features reverse connection and output short circuit protection.
- Sunlight Visible Display: 5.6-inch industrial-grade high-brightness color LCD screen.
- Flexible Data Storage: Includes local storage and USB flash disk support for data saving.
- Integrated Thermal Printer: Equipped for easy and immediate data printing.
- One Year Warranty: Covers quality issues not caused by human error from delivery date.
Product Attributes
- After-sales Service
- 24-Hour Online Service
- Warranty
- One Year
- Display Type
- Digital Only
- Model NO.
- HZBB-I
- Certification
- CE
- Customized
- Customized
- Model No.
- Hzbb-I
- Weight
- 3.8kg
- Turn Ratio Test Range
- 0.9~10000
- Accuracy
- 1-1000 Grade 0.2 ; 1000-10000 Grade 0.5
- Function 1
- High and Low Voltage Reverse Connection Protection
- Function 2
- Output Short Circuit Protection Function
- Display
- LCD
- Output Current
- 0-600A
- Output Voltage
- 0-1200V
- CT Measurement Range
- Less Than 5000A/1A(25000A/5A)
- PT Measurement Range
- Less Than 500kv
- Power Supply Voltage
- AC220V 50Hz/60Hz
- Testing Phase
- Three Phase
- Place of Origin
- Wuhan China
- Net Weight
- 3.8kg
- Transport Package
- Wooden Box with Foam
- Specification
- 325*225*125mm
- Trademark
- HRETZ POWER
- Origin
- Wuhan, China
- HS Code
- 9031809090
- Production Capacity
- 120 Sets/Month
- Package Size
- 40.00cm * 42.00cm * 59.00cm
- Package Gross Weight
- 12.000kg
Product Images of Stable Automatic Power Transformer TTR Vector Group Turns Ratio Test Meter
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Product Description
The product is mainly applied to transformer ratio group test, PT, CT ratio polarity test, fast test speed and high accuracy. (1) Full three-phase sinusoidal inverter power supply output, automatic output voltage adjustment, with soft-start and soft-stop functions, so the test is fast and highly accurate.
(2) It has the function of blind test, that is to say, it conducts the ratio and group test when it does not know the way of high and low voltage linkage.
(3) CT ratio polarity test function is added on the basis of regular transformer, Z-type transformer and PT specimen test, which has a wider application field.
(4) Wide range and high precision, the measuring range of ratio can reach 10000, and the testing precision is guaranteed to be 0.3% at the highest value of 10000.
(5) It has perfect protection functions such as reverse connection protection and output short circuit protection.
(6) 5.6-inch large industrial-grade high-brightness color LCD screen, the display is still clearly visible under strong sunlight.
(7) Equipped with thermal printer, easy to print data.
(8) With local storage and USB flash disk storage, convenient for data saving.


| Range | 0.9 ~ 10000 |
| Accuracy | ±(Reading×0.1%+2 digits)(≤1000) |
| ±(Reading×0.2%+2 digits)(>1000≤3000) | |
| ±(Reading×0.3%+2 digits)(>3000) | |
| Resolution | 0.9~9.9999(0.0001) |
| 10~99.999(0.001) | |
| 100~999.99(0.01) | |
| 1000~9999.9(0.1)10000 above(1) | |
| Power Supply | AC220V±10%,50Hz |
| Instrument Weight | 3.8KG |
| Instrument Dimension | 325mm(L)×225mm(W)×125mm(H) |
| Operationg Temperature | -10ºCto 50ºC |
| Relative Humidity | <90%,non-condensing |










Q1:Is your company a sales or a manufacturer? We are an integrated trade and manufacturing company with our own factory.
Q2:If we need to customize our own brand or if there are special requirements for the built-in software of the machine, can it be customized?
Yes, we accept OEM/ODM/OBM and can customize the built-in software of the product according to the customer's special requirements.
Q3:What is the usual lead time? How long can we receive the order after placing it?
In normal circumstances, products in stock can be received within 5 to 7 days via the fastest international express. Other situations may vary depending on the quantity of products ordered, whether there are special customization requirements, and the delivery time chosen.
Q4:How can we ensure that the product will not be damaged during transportation, considering the large size of the product?
We have professional internal and external packaging to ensure the safety and stability of the products during transportation. For fragile or other special parts, we will include an extra set to ensure that the customer can use the product immediately upon receipt.
Q5:How do you handle after-sales service? What if there is a quality problem with the product or if the customer does not know how to operate it?
For quality issues that are not caused by human error, we provide a one-year warranty from the time the product is delivered, and lifetime technical support. Other after-sales issues will be addressed by our professional technical staff within 24 hours. The product comes with a user manual and an operation video.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2591408". Items marked "" are certified.
Company Profile
Wuhan Hertz Power Equipment Co., Ltd. Company Profile
Company Overview
With 30 years of industry experience, Wuhan Hertz Power Equipment Co., Ltd. is a professional high-tech enterprise specializing in the R&D, manufacturing and global sales of power testing instruments and electrical automation systems. Established in 1993, the company was founded by senior experts from Wuhan High Voltage Research Institute and Huazhong University of Science and Technology, endowing the enterprise with solid technical accumulation and continuous innovation capability.
The company focuses on the development and production of high-performance power testing equipment, including lightning impulse generators, partial discharge testers, high-current temperature rise test systems, and integrated test systems for transformers, switchgears and motors. In addition to standard equipment supply, we provide one-stop engineering services covering shielding room design, installation, grounding design and construction. The company operates two core bases in Wuhan: An industrial production and testing base in Optics Valley Electromechanical Park, and an R&D and administrative center at Wuhan Kechuang Center, forming a complete industrial system integrating research, manufacturing and market operation.
Quality System & Certification
ISO 9001: 2015 Quality Management System Certification
CE Certification for European and global export markets
Compliance with IEC, GB, ASTM, and IEEE national and international standards
Application Fields & Customers
Our testing equipment and technical services are widely adopted in power industries and engineering fields worldwide, serving a diverse range of professional clients:
National and regional power grids and utility companies
Manufacturers and maintenance workshops of transformers, switchgears and circuit breakers
Cable manufacturers and electrical installation contractors
Large industrial enterprises in petrochemical, metallurgy and water conservancy sectors
Third-party testing laboratories and certification institutions
Universities and electrical engineering research institutes
EPC companies for substation and power plant construction
Main Products:
High Voltage Test Equipment
Resonance Test System
Partial Discharge Test Series
Impulse Test System
Safety Tools & Appliances Test Equipment
Transformer testing equipment
High-voltage switch testing equipment/Circuit Breaker Test Series
Power Cable Test Equipment
SF6 Gas & Oil Analysis Equipment/Transformer Oil/Insulation Oil Tester
Storage Battery Test Equipment
Generator test equipment
Relay protection testing equipment
Cable Fault Location Series
Energy Meter Calibration Series
CT & PT Analysis Series
Insulation Resistance Test Series
Power Quality Analysis Series
...
Support Customization solution based on your projects.
Market Strength & Global Layout
Our products are exported to over 20 countries across Asia, Europe and South America, including South Korea, Singapore, Vietnam, India, Russia, Italy, Austria, Portugal, Chile, Ecuador and Pakistan. Major exported products include partial discharge test systems, impulse voltage generators, temperature rise test systems, transformer integrated test benches, cable fault locators, and professional testing instruments for breakers, switchgears, arresters, insulators, batteries and SF6 gas.
Visit us
Wuhan Hertz Power Equipment Co., Ltd. Welcomes buyers, agents, and partners to visit our factory or connect with us online.
Address: Building 22, Kechuang Center, No. 20 Chuanggu Road, Dongxihu District, Wuhan, Hubei, P. R. China
Whether you need a single transformer tester, a relay protection tester /...For substation maintenance, or a complete transformer test bench, Hertz Power is ready to support your project with professional instruments and dependable service.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Building 22, Kechuang Center, No. 20, Chuanggu Road, East-West Lake District, Wuhan, Hubei, China
-
Plant Area
- 1533 square meters
-
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
- Wuhan Port, Shenzhen Port, Shanghai Port
-
Supply Chain Partners
- 1100
Our Production Capability & Technical Expertise
- Main Products
- Power Safety Apparatus Test Equipment, Power Transformer Test Equipment, High Voltage Switch Test Equipment, Relay Protection Test Equipment, Transformer Test Equipment, Zinc Oxide Lightning Arrester Test Equipment, Cable Test Equipment, Sf6 Gas Oil Analysis Equipment, Storage Battery Test Equipment, Insulation Resistance Test Equipment
-
Production Lines
- 6
-
Production Machines
- Assembling Line, Automatic Winding Facility, Benchtop Drilling Facility
-
QA/QC inspectors
- 1 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
-
ODM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- No
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2017-10-31
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
FAQ
- Is your company a sales or a manufacturer?
- We are an integrated trade and manufacturing company with our own factory.
- Can we customize our own brand or built-in software?
- Yes, we accept OEM/ODM/OBM and can customize the built-in software according to special requirements.
- What is the usual lead time for delivery?
- Products in stock can be received within 5 to 7 days via express. Other situations vary based on quantity, customization, and delivery choice.
- How do you ensure the product is not damaged during transportation?
- We use professional internal and external packaging. For fragile parts, we include an extra set to ensure immediate use upon receipt.
- How do you handle after-sales service and quality problems?
- We provide a one-year warranty for non-human error issues and lifetime technical support. Other issues are addressed within 24 hours. Manuals and videos are included.
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