Periodic diagnostic test on the refrigerant oil in a circuit. The values obtained are compared with both standard values and Climalife recommendations.
DPH A = Appearance + viscosity + acid index + water content + elements indicating wear + additives + contaminants.
DPH B =Same as DPH A + dielectric constant.DPH E = Used to determine the percentage of oil remaining after a retrofit. Physico-chemical state is compared with a control sample.
DPH R = After DPH E only, determines the percentage of the original oil remaining after the subsequent operations to change the oil.
Find this product in the catalogue 2013 - page 75
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