YCSS-103 Three-Phase Standard Power Source: Reliable Calibration for Electrical Instruments
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Detailed Product Description
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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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