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Maihong DDSF-121/DTSF-121/DDZY-121/DTZY-121/DTSD-121 Multi-rate Energy Meter Product Leaflet
Maihong Electric Technology Co., Ltd. is a Chinese manufacturer of single‑ and three‑phase mechanical and electronic energy meters, including multi‑rate, remote‑charge‑control, and multifunction models. The company offers OEM/ODM services and exports to many regions.
The multi‑rate meters support four tariffs (sharp, peak, flat, valley) across up to ten time periods with a minimum 5‑minute interval, store up to 12 months of data, and provide high‑precision measurement with advanced metering chips, CPU, and RTC. They also feature pulse input, password‑protected programming, and communication protocols compliant with DL/T645‑1997. This manual is written in Chinese.
Covers: Company Overview · Multi‑rate Energy Meter · Remote Charge‑Control Energy Meter · Multi‑function Energy Meter · Product Parameters · Solar Charge Controllers
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Maihong DDSF-121/DTSF-121/DDZY-121/DTZY-121/DTSD-121 Multi-rate Energy Meter Product Leaflet
Product Leaflet 32 pages · 10.2 MB · ZHThis leaflet describes Maihong's multi‑rate energy meters (DDSF‑121, DTSF‑121, DDZY‑121, DTZY‑121, DTSD‑121) with their features, technical specifications…
Questions answered in Maihong manuals
What voltage range does the DDSF‑121 support?
It supports a provisional voltage range of 90% Un to 110% Un and an expanded range of 80% Un to 115% Un.
From: Maihong DDSF-121/DTSF-121/DDZY-121/DTZY-121/DTSD-121 Multi-rate Energy Meter Product Leaflet
How long can the meter store tariff data?
The meter can store tariff data for the current month and the previous eleven months, a total of twelve months.
From: Maihong DDSF-121/DTSF-121/DDZY-121/DTZY-121/DTSD-121 Multi-rate Energy Meter Product Leaflet