扳手快查+ vs HVAC PT Chart Toolkit

扳手快查是家电故障码查询工具，包含格力，美的，TCL，格兰仕，海尔，海信，松下，三星等280+的家电品牌的空调，洗衣机，热水器，油烟机等全品类的故障码查询务，25000+故障代码，10000+的详细检修方案，500+的售后维修资料，行业报价，故障现象查询分析，是百万售后维修从业者的选择，具体功能如下： 1、家电查询故障码：家电故障码故障解析，提供详细维修方案 2、厂家维修资料：品牌厂家电器维修资料，官方严谨的维修方案和高清彩图 3、指示灯查询：闪烁解析，故障原因，复位方法 4、行业报价：维修、上门、可查询美的官方收费标准，用于报价费用参考 5、故障现象：输入品牌电器，查询各种维修现象，按不同故障给出相应维修措施。

HVAC PT Chart Toolkit is an offline field workspace for technicians working on air conditioners, refrigeration systems, cold rooms, chillers and freezers. It is designed for paid, professional use: no account, no ads, no subscription and no server connection. Core tools: • Refrigerant PT charts for common refrigerants • Pressure to saturation temperature and temperature to pressure lookup • Superheat and subcooling calculators • Unit conversion for pressure, temperature, length, mass/charge, current/power, capacitance/resistance and vacuum/pressure • Offline fault code lookup • Symptom-based diagnostic checklists • Repair records, quotes, customer signatures and photos • PDF and image work order export • English and Simplified Chinese interface • Light, dark and system appearance modes Field workflow: 1. Search a refrigerant, fault code or tool 2. Calculate PT, superheat or subcooling 3. Follow a repair checklist 4. Add readings, photos, parts and labor 5. Capture a signature 6. Export a PDF or image repair order This app does not attempt to automatically diagnose equipment. Results are for field reference only and should be checked against the equipment nameplate, manufacturer documentation and actual site conditions. Electrical, high-pressure and flammable refrigerant work should be performed by qualified technicians following applicable safety rules. All data is stored locally on your device. Repair records are not uploaded. The app can be used in airplane mode.