METREL MI 2077 Earth Tester / Insulation Tester, TeraOhm 5kV

Description

MI 2077 TeraOhm 5 kV

The MI 2077 TeraOhm 5 kV is an advanced, field proven high voltage diagnostic insulation tester. Its small lightweight design make it easily portable and its bright LCD display ensures that readings can be made in almost any lighting conditions. TeraOhm 5 kV enables insulation resistance measurements up to 5 TΩ, step voltage test, withstanding voltage test, PI, DD and DAR calculation and capacitance measurement. Built-in memory and optional PC SW TeraLink enables data storing, downloading to PC, analysis of test results and printout of test reports.

Standards applied

Building LV Installation

• IEC/EN 61557 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures – series
• IEC/EN 61557-2 Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures – Part 2: Insulation resistance

Properties

Measuring functions

• Insulation resistance measurement;
• Step voltage insulation resistance testing;
• Withstanding voltage testing;
• Diagnostic test (PI, DD, DAR);
• Capacitance measurement;
• Voltage measurement;
• Frequency measurement.

Key features

• Measuring range up to 5 TΩ.
• Wide range of DC test voltages: from 250 V up to 5000 V in steps of 50 V.
• Withstanding voltage: testing of insulation with programmable ramp test voltage from 250 V up to 5 kV and programmable threshold current.
• Step voltage: insulation resistance measurement with five discrete proportionately set test voltages and programmable timer per step.
• Automated testing: PI, DD, DAR calculations with automated resistance ranging. All data is displayed during one single measurement.
• Fault finding: fully programmable step voltage and withstanding voltage test functions assist in diagnosing faults in insulation.
• Guard test terminal: for elimination of potential surface leakage currents.
• Automatic discharge of tested object after test.
• Accurate: selectable noise rejection filters ensure accurate measurement.
• Built-in timer: programmable timer from 1 s up to 30 min.
• Memory: stores up to 1000 results with date and time stamp.
• Easy to read: large custom LCD dot matrix display with bar graph and with backlight.
• Built-in charger: instrument has a built-in charger which enables measurement during the charging.
• Portable: lightweight 2.1 kg design with carrying bag and neck strap.

Technical data

• Dimensions (w x h x l): 265 x 110 x 185 mm
• Weight (with batteries, without accessories): 2.3 kg