Our expertise spans a wide range of industries, including Handheld Optical Digital Relay Protection Tester, 3 phase relay tester, Six Phase Relay Protection Tester . Our company has been established for many years and has been engaged in the development of Handheld Optical Digital Relay Protection Tester and the production of complex products. We have an experienced backbone team that can solve the design and production problems of various products. At present, we have introduced a batch of manufacturing equipment, which can improve product precision and increase production efficiency. Our company maintains close relationships with suppliers. Our passion for what we do is evident in everything we do. The core of our company is "respect for talent", that is, in the work practice to test a person's moral quality and talent, not based on education, not based on experience to hire people. We know that enhancing customer service value is the key to developing market space, so we keep exploring and never satisfy the status quo. We take 'Quality First' throughout the entire production line and take 'Customer Satisfaction' as the benchmark to measure our service quality. Our company is willing to join hands with friends to develop together.
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![Handheld Optical Digital Relay Protection Tester]()
Handheld Optical Digital Relay Protection TesterMES-W402C delivers touch operation, multi-fiber port design, and ≤1μs synchronization accuracy to perform SV/GOOSE closed-loop testing, phase verification, harmonic analysis, and more. Its compact -
![Three-Phase High-Current Generator Relay Protection Test Set]()
Three-Phase High-Current Generator Relay Protection Test SetIndependent 3-Phase Adjustment – Simulate Phase Loss & Unbalance with One ClickClass 0.5 Accuracy + 0.01s Timing – Report-Ready DataSeries-Connect Multiple Relays – Batch Test Time Cut to 1/5 -
![Intelligent Electronic Thermal Relay Calibrators]()
Intelligent Electronic Thermal Relay Calibrators0.5% Accuracy Across Full RangeSeries Connection for Batch TestingNO/NC Auto-Detection — No Jumper Needed -
![Handheld Distribution Terminal Tester]()
Handheld Distribution Terminal Tester4V+4I independent outputs, non-common-ground0.05% accuracy, CEPRI-certifiedBattery-powered, 5A 3-phase output > 4 hours -
![Handheld Digital-Analog Relay Tester Kit]()
Handheld Digital-Analog Relay Tester KitSimultaneous analog & digital message Tx/Rx, dual-purpose one unit±0.05% full-range accuracy, independently calibrated at low rangeOne-click message anomaly simulation, meets mandatory national -
![Portable Three-Phase Relay Calibrator]()
Portable Three-Phase Relay Calibrator3×Current + 4×Voltage outputs, phase accuracy ≤0.2°2.6kg weight, 10000mAh battery, ≥8h runtime16 built-in test modules, no external PC required -
![Handheld Relay Protection Tester]()
Handheld Relay Protection Tester±0.1% Full-Range Accuracy, Stable at Low Signals60VA/Phase Drive, 15A Output Without Droop-10°C Low-Temperature Charge Protection, No Battery False Death -
![3-Pipeline High Precision Buchholz Relay Tester]()
3-Pipeline High Precision Buchholz Relay TesterDeliver fully traceable, high-efficiency calibration for all mainstream Buchholz relays with triple independent pipelines. It cuts lab floor occupation and manual labor while generating standardized -
![Combined Digital-Analog Relay Protection Tester]()
Combined Digital-Analog Relay Protection TesterMOEORW-WTM53 integrates analog and digital testing for all substation secondary equipment. Its full test suites and one-click auto-test slash on-site calibration time. Multi-sync and abnormal message -
![Three Phase Secondary Current Injection Test Set]()
Three Phase Secondary Current Injection Test SetMOEORW-WTW41 0.2-class relay tester delivers ultra-precise analog outputs and dual operation modes. It streamlines full-range relay & line protection calibration, drastically cutting field debugging -
![Three Phase Secondary Current Injection Relay Test Set]()
Three Phase Secondary Current Injection Relay Test SetLightweight MOEORW-WTW43 touchscreen relay tester packs complete protection testing functions into a 7.2kg compact unit. Its self-calibration and wireless connectivity simplify outdoor distribution -
![Six-Phase Microprocessor-Based Relay Protection Tester]()
Six-Phase Microprocessor-Based Relay Protection TesterThe MOEORW-WTW76 six-phase microprocessor-based relay protection tester is a professional testing device for ultra-high voltage relay protection.High precision, multi-functional, supports multi-phase
Shauna Cooper
We have maintained a successful cooperative relationship with this company for many years and know their products and services very well, so we sincerely recommend this reliable supplier to everyone.
Sherri Kennedy
These products are very cost-effective, I recommend them to you!
Wanda Dehaven
I am very happy to have a win-win relationship with this supplier!
Denise Trowbridge
We are very happy and satisfied with this cooperation!
Harold Abramson
As a long-term partner of your company, we trust your production and R&D capabilities, and hope to produce more high-quality products.
Patrick Sun
We are very proud to have found a very good quality manufacturer at a reasonable price and hope to keep working together!
Our company's strict quality management, mature and excellent technology, advanced and complete testing means are the reliable guarantee of our 150kV AC DC Digital Voltage Divider, 270kVA 270kV Series Resonance Test Device 's quality. As one of the most professional handheld optical digital relay protection tester manufacturers in China, we're featured by quality products and good price. Please rest assured to buy high quality handheld optical digital relay protection tester in stock here and get quotation from our factory. Customized orders are welcome.