Shri sales & services suppliesoffers ht- italia make programmable digital insulation meter 5 kv model ht 7050. Some of the technical features of this ht 7050 model include:features most economic insulation resistance measurement with test voltage from 500 to 5000 vdc setting manual automatically timing programmable test parameters battery operated extremely rugged and designed for field use polarisation index measurement memory for 200 measures with parameters and results; rs-232 inter face for pc transfer; free eurolink software; and ce mark/is09000 calibration certificate included; recall and print measured results; rs-232 inter face for pc transfer; free eurolink software; and ce mark/is09000 calibration certificate included.