WONSEOK Hi-Tech · Power Metering & Energy Monitoring
Measure power precisely,
manage energy intelligently
From digital power meters, multi-channel energy meters and power factor controllers to power monitoring and energy management systems — we are power metering specialists.
A technology company focused on
one field: power metering
Since our founding in 2000, WONSEOK Hi-Tech has built its reputation on continuous R&D, patents and certifications in power monitoring and metering. See our track record in numbers.
Our Products
From power metering to energy monitoring — six core product lines built for the field.
MPM330 & SEMS series digital power meters
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Product 02
Power Factor Controller
Automatic capacitor-based power factor control
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Product 03
Multi-Channel Energy Meter
SEMS-6G multi-channel power monitoring & metering
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Product 04
CT
Clamp-on CTs for busbars and cables
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Product 05
Panel Temp. & Fire Monitoring
Non-contact IR temperature & early fire detection
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Product 06
Power Monitoring System
Integrated power monitoring system
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From measurement to monitoring, one seamless flow
A complete energy-monitoring pipeline: measure power precisely in the field, collect and transmit the data, and monitor it in real time.
Measure
Digital power meters precisely measure voltage, current and power
Collect
RTUs collect power data from the field
Transmit
Reliable transmission over MODBUS, RS-485 and networks
Monitor
Real-time monitoring and analysis in one integrated system
Trust, proven by technology
Power Metering Expertise
We develop and manufacture digital power meters and multi-channel energy meters entirely in-house.
Energy Monitoring
Real-time power monitoring and energy management give you full visibility of your facilities and boost efficiency.
Certified Technology
Our technology is validated by CE, ISO 9001, KC registration and numerous patents and utility models.
Continuous R&D
Relentless R&D keeps new products coming — recognized with a commendation from the Minister of Trade, Industry and Energy.
Need a power metering & monitoring solution?
From product inquiries to after-sales service, WONSEOK Hi-Tech responds fast.