Mode: HCl2876 APPLICATION HCl2876 Manual C, L & tan delta precision measuring bridge is designed for determining the capacitance and dielectric dissipation factor of liquid and solid insulants, cables, capacitors, line transformers, generators, motors, bushings etc. Furthermore it can also be used for power loss measurement on shunt reactors or similar apparatus. This system is suitable for both low and high voltage measurement at line frequency. Measurement reports can be printed. This measuring equipment has been specially developed to maximise efficiency in production and quality control environments. Its outstanding accuracy also makes it suitable for laboratory and research applications. TECHNICAL PARAMETER OF SYSTEM Standard capacitor CN (permitted values) CN = 10 - 10000pF ICN max = 15 mA Max. Test object Capacitance CX max = 1099.99 x CN Test voltage Range 50 V^1.2 MV typically. Max. Test voltage U max = ICN max / 2π FCN, ICN max = 15 mA Resolution 1 V^ 1 kV Accuracy 1% rdg ± 2 LSD* Test frequency Range: 45-65 Hz Resolution: 0.1 Hz Accuracy ± 0.2 % Test current Up to 15 AMPS, extension with external current comparator Range Capacitance (manual range selection) Range: 0.1^1099.99 x CN Resolution: 5 significant digits Accuracy: 0.01% Minimum ICX: 31 µ A Dissipation Factor tan δ (automatic range selection) Range Resolution 0.00000^0.00999 5 x 10-5¬ 0.0100^0.0999 5x 10-4 0.100^0.999 1 x 10¬ -3 1.00^9.99 1 x 10¬ -3 Accuracy 1% rdg ± 2 LSD* Power Factor cos Range: 0.00000^1 Resolution: 5 significant digits Accuracy 1% rdg ± 2 LSD* Power Supply Voltage: 220/380V, -10%-+6% Frequency: 50/60 Hz High Voltage Test Equipment Mode: HCl2840 (12kV) Fully Automatic Precision Capacitance & Dissipation Bridge Is designed to measure dissipation(tan δ ) and capacitance (C) in many environment. Its can also be used as oil dissipation factor test set. Normally the accuracy of dissipation factor less than 0.0001, tested under the environment with very-low interference. MAIN TEST OBJECT High voltage bushing Transformer winding Shunt reactor Instrument transformer (CT, VT, CVT) Capacitor of circuit breaker, surge arrester MAIN COMPONENT 12kV 200mA inner power source Standard capactior (CN) Power switch Sound & Light alarm Voltage & Current monitor Printer Socket & Plugs High Voltage Test Equipment Liquid Tan Delta Measuring Mode: HTC900 Serial HTC900 Serial Temperature Control Unit and HC90 Serial Oil Cup is specially designed for Oil Dielectric Loss Measuring. The Oil Cup is air capacitor with capacitance about 60pF. The device should work with Tan Delta Bridge to realize the measuring on Oil Dissipation Factor. with this two device, the user can realize high accuracy measuring on Oil Tan Delta and related parameter.
