PRSCM-0037 Digital Length Comparator PRSCM-0038 Length Comparator with Length Measuring Sensor 220-240 V 50-60 Hz Length Comparators are used to determine the length changes on different type of cement prisms. The set consists of a length measuring frame with measuring apparatus attached to it. There are 2 models available; PRSCM-0037 is with 0.001 mm x 12,7 mm digital dial gauge and PRSCM-0038 is with special 0.0001 mm x 30 mm transducer and readout unit. Reference rod and moulds should be ordered separately according to the test to be performed. Dimensions PRSCM-0037 180x180x450 mm PRSCM-0038 250x250x650 mm Weight (approx.) PRSCM-0037 6 kg PRSCM-0038 8 kg