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Electric Water Heaters Pulse Pressure Withstand Testing Machine

Electrical Appliance Testing Equipment
December 24, 2025
Category Connection: Electrical Appliance Testing Equipment
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Tags:
#electrical test equipment #electrical appliance tester #IEC test equipment
Brief: Looking for a straightforward way to test the pressure durability of electric water heater liners? This video provides a detailed walkthrough of the IEC 60335-2-21 Electric Water Heaters Pulse Pressure Withstand Testing Machine. You'll see how it performs continuous 24-hour testing, alternating pressures to simulate real-world conditions, and learn about its PLC-controlled operation and safety features for reliable compliance verification.
Related Product Features:
  • Complies with IEC 60335-2-21:2012 clause 22.47 for water heater liner pressure impact resistance testing.
  • Designed for 24-hour continuous operation with PLC control and a user-friendly touch screen interface.
  • Performs pressure cycling between 15% and 100±5% of rated pressure up to 80,000 times at 20-40 cycles per minute.
  • Includes automatic pressure holding for 10 minutes at maximum working pressure after every 10,000 cycles.
  • Features built-in safety mechanisms like leak detection, power-down protection, and emergency waterway shut-off.
  • Accommodates water heater liners up to 500L in capacity with customizable sample connectors.
  • Utilizes high-quality components including Mitsubishi PLC, Weinview touch screen, and stainless steel construction.
  • Provides precise pressure control with adjustable test frequency, cycle count, and pressure holding time settings.
FAQs:
  • What standard does this testing machine comply with?
    This machine is designed to meet the requirements of IEC 60335-2-21:2012 clause 22.47 for testing the pulse pressure withstand capability of electric water heater liners.
  • How does the pressure cycling test work?
    The test alternates pressurization between 15% and 100±5% of the rated pressure for up to 80,000 cycles at a frequency of 20-40 times per minute, with pressure holds after every 10,000 cycles to check for deformation.
  • What safety features are included in the machine?
    The machine includes leak detection that automatically stops the test, power-down protection to save test data, emergency waterway shut-off valves, and electrical leakage protection for operator safety.
  • What is the maximum capacity of water heater liner that can be tested?
    The machine can test water heater liners with a capacity of up to 500 liters, with water consumption adjusted according to the sample volume.
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