ArcNFC vs HVAC PT Chart Toolkit

ArcNFC Reader&Writer is a powerful NFC reader and writer. Which can read and write NFC tags, Copy cell access cards,use mobile phones as access keys, And also support the cloning of NFC tags, Support multiple tag scanning,reading and writing, Support continuous scanning,reading and writing of tags, Open smart life,the interface is simple and generous, and the operation is simple and easy to understand. Here are some simple examples of use: - Combined with the quick instructions of mobile phones,automatic customization tasks. - You can quickly connect to Wifi without entering a password . - Create a business card by saving the website or phone number. - Social network, and messenger to a tag. Automatically enter driving mode. - Automate common telephone tasks. The era of automated Internet of Things is coming. Whether you are a technology enthusiast or preparing to develop NFC-related products, this tool can help you play NFC better!

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.