RefCalc: Refrigerant PT Chart — App Store 排名
Duong Nguyen Huu · Utilities · 在 App Store 查看
应用简介
开发者在美国 App Store 的完整简介（英文原文）。
RefCalc is the fast, offline Pressure–Temperature chart and Superheat/Subcooling calculator built for HVAC/R technicians — no subscription, no ads, one-time purchase. CHECK CHARGE IN SECONDS Enter suction pressure and suction line temperature to get instant superheat. Enter liquid line pressure and temperature to get instant subcooling. Color-coded results show at a glance whether you're in range. FULL PT CHART, ANY REFRIGERANT Type a pressure, get the saturation temperature. Type a temperature, get the saturation pressure. For blend refrigerants, RefCalc shows both bubble point and dew point plus the glide between them — the detail cheap PT apps get wrong. BUILT-IN REFRIGERANTS R-410A, R-32, R-454B, R-452B, R-22, R-134a, R-404A, R-407C, R-448A/R-449A, R-290, R-1234yf, R-513A — including the newer A2L mildly-flammable refrigerants (R-32, R-454B, R-452B) that older apps don't support. WORKS YOUR WAY • psi / bar / kPa / MPa • Gauge (psig) or absolute (psia) reference • °F or °C • 7 languages: English, Spanish, Chinese, Portuguese, Japanese, Korean, Vietnamese 100% OFFLINE No account, no internet permission, no analytics, no ads. Your data stays on your device. Buy once, use forever. Refrigerant data sourced from NIST REFPROP and manufacturer/ASHRAE published PT charts. RefCalc provides the math — always confirm final charge against the equipment nameplate or OEM charging chart.
RefCalc: Refrigerant PT Chart 不在我们每天抓取的免费榜前 100 名里。可以用下面的实时查询，立刻查看 12 个国家的情况。
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你的浏览器现在就去读取 Apple 的榜单，所以这是实时数据，不是昨天的抓取结果。