Insize Semi Truck Diagnostic & Testing Tools
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Insize® - Portable Refractometer (ISQ-RM30)Universal Portable Refractometer by Insize®. Quickly measure the concentration of coolant.Refer to the refraction factor of coolant, for example:the refraction factor of grinding emulsion is 2.1, the reading value is 6%, so the actual...Provides an easy and affordable way of testing your engine’s cooling systemDesigned to assist in checking your antifreeze/coolant to maintain it at the proper concentration$144.53
