The YCSS‑103 three‑phase standard power source is a high‑accuracy calibrator built with three integrated single‑phase multifunctional AC standard power sources. It delivers stable, standard three‑phase AC voltage and current signals, ideal for verifying digital meters including voltmeters, ammeters, power meters, and energy meters.
With 0.1‑class basic accuracy, it supports output ranges of 0–480 V (voltage) and 0–120 A (current), with fine resolution down to 1 mV and 0.2 mA respectively. It provides full phase control (0–360°), frequency adjustment (45–65 Hz), and low waveform distortion (<0.2%). The unit also offers 2nd to 21st standard harmonic output with 0.1‑class amplitude accuracy, supporting odd, even, and interharmonics for comprehensive testing.
User‑friendly manual control is enabled via a vacuum fluorescent display (VFD) and programmable keypad. You can monitor three parameters simultaneously, set values via the numeric keypad, or use shortcut keys for one‑touch output. The instrument supports dual energy error meters, dual RS‑485 ports for meter communication, and high‑speed pulse input up to 1×10⁵ imp/s.
Equipped with RS‑232 and LAN interfaces, the YCSS‑103 integrates smoothly into automated calibration systems. It maintains excellent long‑term stability: short‑term stability ≤30 ppm, basic error drift ≤±50 ppm, and DC reference annual drift ≤±20 ppm. Compact at 18 kg, it is suitable for laboratory and on‑site use.
Special Styling Features:
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- 2. Benefit‑driven wording: Emphasizes usability, stability, and integration rather than pure parameter listing.
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- 4. No redundant repetition: Avoid repeating “output” and “accuracy” unnecessarily.
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YCSS-103 Three-Phase Standard Power Source: Reliable Calibration for Electrical Instruments Images
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