Portable Battery Powered Micro Ohmmeter Transformer Coil DC Resistance Test Instrument

The DC Winding Resistance Tester is an essential instrument for transformer testing, including semi-finished product testing, finished product testing, installation commissioning, and electrical preventive maintenance testing. This handheld device effectively identifies manufacturing defects and operational hazards such as poor welding, loose connections, missing units, wire breaks, and other potential issues in transformer coils.

Designed to meet rapid measurement requirements, our DC Winding Resistance Tester incorporates powerful new technology with compact size, lightweight design, and high output current capabilities. Controlled by a single-chip microcomputer, the instrument features high automation levels, automatic discharge functions, and delivers high-precision testing with straightforward operation for fast transformer measurements.

• High-speed single-chip microcomputer control system
• Advanced power supply technology with multiple current ranges and wide measurement scope
• Automatic current selection based on load requirements
• Comprehensive protection against counter EMF impacts for enhanced reliability
• Audible discharge alarm with clear discharge indicators to prevent misuse
• Rapid response speed for efficient testing
• Intelligent power management operating in minimal power state
• High-resolution 320*240 dot matrix 65K true color LCD display
• Built-in perpetual calendar clock with power-down storage for 1000 test datasets
• RS232 and USB interfaces for computer communication and USB storage
• Integrated panel micro-printer for immediate result printing

Company Profile

Wuhan Mingyang Industrial Technology Co., Ltd. has a professional sales and technical team to deliver premium pre-sales consultation and full technical support.

We maintain an efficient after-sales team to timely resolve all product and technical issues for global customers.

Founded in 2008 and based in Wuhan, China, we are a high-tech enterprise specialized in R&D, production, sales, OEM/ODM customization and after-sales service of power testing and high-voltage inspection equipment.

We keep enhancing independent innovation, upgrading factory facilities and adopting digital management systems. With reliable quality and good reputation, we have built worldwide customer networks and gained global trust. We sincerely look forward to long-term cooperation with you for mutual development.

Pre-sales Consulting Service
We provide comprehensive and professional pre-sales consulting services. Dedicated sales staff and senior technical engineers are arranged to answer customers’ questions regarding products, technologies and cooperation on a one-on-one basis. We deliver complete and detailed product information throughout the whole process to help customers fully understand product parameters, performances and usage details. All products are reasonably priced with high cost performance to ensure customers get value for money. All quotations are officially verified and stamped by the management team with authenticity and compliance guaranteed. Customers are warmly welcomed to visit our factory for field inspection and business negotiation.
Contract Performance Service
A formal sales contract and supporting technical agreement will be signed by both parties upon confirmation of cooperation intention. Adhering to the principle of integrity, we strictly comply with all clauses of signed contracts and technical agreements to ensure smooth and efficient project implementation. We maintain efficient communication throughout the cooperation, actively follow up with customer demands, and record customers’ inquiries and project schedules in detail to provide continuous professional technical docking and support. In all links including delivery, installation, commissioning and operation training, we respond to customer needs promptly and deliver high-quality services with efficiency and professionalism.
Packaging & Delivery Lead Time
We will arrange product delivery within 5-20 working days after receiving the confirmation of customer payment. All products are professionally packed with high-strength sturdy cartons or wooden boxes. The durable packaging effectively prevents collision and damage during transportation, ensuring the safe arrival of all goods at the destination.

Shipping & Transportation Solutions
We offer diversified logistics solutions including express air freight, sea freight and railway transportation. We can recommend the most cost-effective and suitable shipping solution according to customers’ delivery time, budget and destination requirements. If customers appoint their own forwarders, we will fully cooperate and provide a complete set of official customs clearance documents to ensure smooth customs clearance. After shipment, we will continuously track the logistics progress until the goods are successfully and intactly received by customers.

Warranty & After-sales Service
We take 100% customer satisfaction as our core service goal. Customers may feedback any product problems at any time, and we will follow up and resolve issues properly in a timely manner. All products are covered by one-year free warranty and lifelong free technical support. We promise to provide exclusive professional solutions within 24 hours upon receipt of customers’ product fault and usage feedback to efficiently solve after-sales problems.

FAQ
1.Are you factory or trading company?
We are a professional manufacturer based in Wuhan, Hubei Province.
2.What is the MOQ?
Please contact our sales team for detailed MOQ.
3.Production & Delivery Time
Standard products: 3-5 working days delivery.
4.Custom orders: around 20 days, subject to quantity and specifications.
5.Payment Terms:50% T/T deposit in advance, 50% balance before shipment.
6.Can I customize products?
Yes, we support full customization according to your technical requirements.