YCSS-101 Single Phase Automatic Test & Calibration Power Source - 0.05 Class Accuracy, 0-480V/0-120A Range

High-precision single phase AC power source with Class 0.05 accuracy for testing voltmeters, ammeters, wattmeters, and energy meters. Features 0-480V voltage range, 0-120A current range, dual input channels, and comprehensive testing functions including HV testing, insulation resistance, and harmonic analysis. Ideal for calibration laboratories and electrical testing facilities.

Place of Origin China
Voltage wave form distortion <0.2%
Maximum voltage output power 25(VA)
Packaging Details Plywood cases
Maximum current output power 100(VA)
Model Number Automatic Test & Calibration line
Product Description
Product Overview
The YCSS-101 Single Phase Automatic Test & Calibration Power Source Line is a multifunctional standard AC power source that integrates energy standard and power source capabilities. It generates precise voltage and current signals with dual input channels and internal error calculation, making it suitable for testing voltmeters, ammeters, wattmeters, energy meters, and other digital measurement instruments.
Testing Functions
  • Functional Test
  • High Voltage (HV) Test
  • Insulation Resistance (IR) Test
  • Calibration
  • Starting Current Test
  • No-Load Test
  • Error at Lower Load Test
  • Error at Higher Load Test
  • Laser Printing
  • Chemical Sealing of Meter Casing
  • Decision Stage
Technical Specifications
Parameter Specification
Model YCSS-101
Accuracy Class Class 0.05
Voltage Range 0-480V (4 physical ranges)
Current Range 0-120A (6 physical ranges)
Voltage Output Accuracy Class 0.05 (50-400V)
Current Output Accuracy Class 0.05 (0.1-100A)
Frequency Range 45-65Hz
Phase Position Range 0-360° with 0.005° accuracy
Harmonic Capability 2-21 times harmonic, even/odd harmonic, subharmonic
Communication Ports RS-232, RJ-45 (LAN)
Net Weight 18 kg
Key Features
  • Simultaneous testing of two single-phase multifunction energy meters
  • Internal time error measurement capability
  • High-precision 6-digit displays for voltage, current, phase, and frequency
  • Dual channel pulse input with frequency up to 1×10⁵ imp/s
  • Crystal accuracy ≤±0.05 PPM
  • Output power stability ≤0.01%
Product Images
YCSS-101 Single Phase Power Source Front Panel View YCSS-101 Power Source Internal Components and Display YCSS-101 Testing Equipment Connection Interface YCSS-101 Power Source Complete Unit Overview
Additional Information
For detailed technical documentation, application notes, and support resources, please visit our official website: www.genymetertestequipment.com
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