High Voltage Insulation / Continuity / Earth HIGH VOLTAGE INSULATION TESTERS


MI 3200 TeraOhm 10 kV


The new insulation tester MI 3202 TeraOhm 10 kV is a portable instrument intended to measure insulation resistance by using high DC test voltages up to 10 kV. TeraOhm 10 kV enables insulation resistance measurements up to 10 TΩ, step voltage test, withstanding voltage test, PI, DD and DAR calculation and capacitance measurement. The large LCD screen enables real-time graph R(t) to be displayed. Results can be stored and downloaded to a computer via USB or RS232 con- nection with the help of the optional HVLink PRO software. The high quality instrument, shielded test leads and quality accessories included in the standard set enable to perform insulation testing quickly and effectively.


MEASURING FUNCTIONS:


• Insulation resistance measurement; • Step voltage insulation resistance test- ing;


• Withstanding voltage testing; • Diagnostic test (PI, DD, DAR); • R(t) graph plotting; • Capacitance measurement; • Voltage measurement; • Frequency measurement.


KEY FEATURES:


• Measuring range up to 10 TΩ. • Wide range of DC test voltages: from 500 V up to 10000 V in steps of 25 V.


• Withstanding voltage: testing of in- sulation with programmable ramp test voltage from 500 V up to 10 kV and programmable threshold current.


• Step voltage: insulation resistance measurement with five discrete pro- portionately set test voltages and pro- grammable timer per step.


• Automated testing: PI, DD, DAR cal- culations with automated resistance ranging. All data is displayed during one single measurement.


• Guard test terminal: for elimination of potential surface leakage currents.


• Fault finding: fully programmable step voltage and withstanding voltage test functions assist in diagnosing faults in insulation.


• Graph R(t): real time resistance against time graph plotting facility to graphical- ly illustrate the response of a material to an applied test voltage.


• Built-in timer: programmable timer from 1 s up to 100 min.


• Automatic discharge of tested object after test.


• Fast testing: 5 mA current source for quick charging of capacitive load.


• Accurate: selectable noise rejection fil- ters and shielded test leads included in a standard set ensure accurate meas- urement.


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• Safe: high CAT IV / 600 V voltage pro- tection.


• Built-in charger & rechargeable bat- teries: instrument has a built-in charg- er and comes complete with a set of rechargeable NiMH batteries.


• Portable: lightweight 5.5 kg design with carry handle.


APPLICATION:


• Testing insulation resistance of rotat- ing machinery, cables, transformers, HV generators, surge arresters;


• Production line periodic testing and maintenance;


• Troubleshooting and analysis of all kinds of insulation problems;


• Effective measurements in high noise environments such as high voltage substations and switchyards; • Diagnostic testing.


STANDARDS: Functionality: IEC/EN 61557-2


Electromagnetic compatibility: EN 61326 class B Safety:


EN 61010-1; EN 61010-031


Accessories: page 2.19


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