Advanced,durable tool for the professional H*C&R technician.It works with 8common refrigerants:R12,R22,R502,R507,R404A,407C,R410a Di*al Refrigeration System Analyzer(D.R.S.A.)reaches accuracy&plu*n;0.5%F.S."Dynamic Off-set"bar graph clearly shows modulation of control valves Read in inHg,mmHg,Kpa,Kgf/cm2,mbar,bar,Psi.Auto zero key eliminates manual recalibration Includes vacuum readings at low side.LCD holds all the time with low battery indicator to preserve battery life with 18 months Upgradeable for new and additional refrigerants.Splash resistant and wide temperature range for indoor&outdoor use;case resistant to t*ical oils,acids and sun exposure
