Gb/T7725 Air Conditioning Enthalpy Difference Test Room Multi-Parameter Simultaneous Measurement

Gb/T7725 Air Conditioning Enthalpy Difference Test Room Multi-Parameter Simultaneous Measurement

Product Introduction

• Indoor cabin 10℃~45℃ (±0.1℃), outdoor cabin - 25℃~60℃ (±0.1℃), humidity 10%~95% RH (±2% RH), synchronously collect dry/wet bulb temperature, compressor pressure, electrical parameters (voltage/current/power consumption), air volume differential pressure, noise value and other 15+ parameters, with accuracy reaching industrial standards (air volume ±0.5%, energy efficiency ±1.5%); supports split type (indoor ≤1600×1000×2200mm), multi-split (≤2200×1500×2500mm), window type (≤1200×1200×1200mm), temperature control response ≤8min, automatically generates energy efficiency ratio (EER/COP), energy consumption curve, fault diagnosis report, seamlessly connects to MES system, and shortens R&D cycle by 40%.

Product Features

• Micron-level control: temperature and humidity ±0.1℃/±2% RH, air volume ±0.5%, cooling/heating capacity ±1.5%, data comparison with the National Institute of Metrology deviation < 1.5%;
• Extreme scenario verification: -25℃ (extreme cold heating), 60℃ (hot summer cooling), 95% RH (high humidity condensation) working conditions, verify the core functions of air conditioner defrosting, anti-freezing, etc.;
• Multi-parameter coupling analysis: Analyze the correlation between "temperature-humidity-air volume-power consumption-noise", guide air conditioner energy efficiency optimization, noise suppression, and life prediction;
• Flexible test solution: Supports R32/R410A/R290 and other refrigerant tests, and is suitable for non-standard models such as ultra-thin wall-mounted units, cylindrical cabinets, and top-out multi-split units;
• Certification Express: Built-in GB/T 7725-2022, ASHRAE 37-2021, ISO 5151:2014 Test template, output data is directly used for China Energy Efficiency Label, US DOE, EU ErP certification;
• Unmanned operation and maintenance: 12-inch touch screen + remote IoT monitoring, fault self-alarm + preventive maintenance reminder, support 7×24h unattended testing.

International reference standards

• GB/T 7725-2022 Room air conditioner enthalpy difference method test process, temperature and humidity control accuracy, energy efficiency calculation method (mandatory national standard)
• ASHRAE 37-2021 Environmental simulation accuracy, parameter measurement method and data reporting specification for air conditioning equipment performance test (North American certification core standard)
• ISO 5151:2014 General performance test method for refrigeration equipment, covering compressor pressure, air volume, energy consumption and other parameter measurements (international general standard)