So I was wondering if some of you guys could give me any recommendations. My background is repairing refrigerators and freezers sealed systems. Mainly been working with r134a and r600a. I have a couple of repairs coming up soon that use r290a and r448a as well as r410a and r404a. So I am looking at purchasing digital gauges since they have settings for a variety of refrigerants. Could I in theory purchase an analog set and somehow translate what the equivalent pressures would be? Let’s just say I have 404a readings that show low side 0 psi and high side 100 psi using an r134a set of gauges; how would I translate those readings into 404a readings. Should I go through this hassle or just get the digital gauges like the SMAN field piece? I just prefer analog because no batteries and I feel they’re more reliable. Thanks in advance!
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