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MI 3121H SMARTEC 2,5 kV Insulation Tester

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The MI 3121H Smartec 2,5 kV Insulation / Continuity is the portable measuring instrument for complete diagnostic testing of insulation and continuity measurements. Due to insulation resistance measurement with the test voltages up to 2.5 kV (measuring range is up to 100 GΩ) and calculation of PI and DAR indexes the instrument is suited for testing insulation of cable lines, current and voltage transformers, electric motors, etc. Due to configurable limits the instrument enables PASS / FAIL evaluation of test results which is accompanied with bright green or red light of LEDs. Additional features include magnetic holder for fixing the tester on the metal surface and built-in charger. The MI 3121H is compatible with EuroLink PRO software which enables downloading and analysis of test results and creation of professional test reports.

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SKU MetrelMI 3121 Category Manufacturer Model Number

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Description

MI 3121H SMARTEC 2,5 kV Insulation Continuity

The MI 3121 SMARTEC Insulation / Continuity is a tester for dead testing of electrical installations. With both an analogue and digital representation of the results, the instrument ensures accurate measurements up to 2000 Ω on continuity and up to 30 GΩ on insulation function. Configurable limits enable a PASS / FAIL evaluation of test results, which is accompanied with the bright red and green indicator lights for comfortable use even in the dark conditions. The MI 3121 is equipped with a built-in charger and has a magnetic holder in order to free up hands for testing. All the results can be quickly saved on the instrument and then downloaded via the optional A 1291 EuroLink PRO or A 1290 EuroLink PRO Plus software for evaluation and professional report generation after testing. The MI 3121 SMARTEC Insulation / Continuity performs continuity, insulation AC voltage and frequency measurement tests.

Standards applied

Building LV Installation

  • EISinsp Competences: Low Voltage Electrical Installation Safety Inspection
  • EISc Competences: Low Voltage Electrical Installation Safety for Contractors and Maintainers
  • IEC/EN 60364 Electrical Installations for Buildings series
  • IEC/EN 60364-6 Electrical Installations for Buildings – Verification
  • 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 61557-1 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 1: General requirements
  • 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
  • IEC/EN 61557-10 Electrical safety in low voltage distribution systems up to 1 000 v a.c. and 1 500 v d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 10: Combined measuring equipment for testing, measuring and monitoring of protective measures
  • BS 7671 IEE Wiring Regulations (18th edition)
  • CEI 64.8 V4 rated electrical equipment not exceeding 1,000 VAC and 1,500V DC current

Earthing and lightning protection

  • LPSinsp Competences: Lightning Protection of Buildings Inspection
  • LPSc Competences: Lightning Protection of Buildings for Contractors and Maintainers
  • IEC 62305 Protection against lightning – series
  • IEC/EN 61557-4 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 4: Resistance of earth connection and equipotential bonding

Earthing and Grounding

  • EES Competences: Electrical Energetic Systems Earthing and Grounding Safety
  • HD 637 S1 Power installations exceeding 1 kV a.c.

Properties

Measuring functions

  • Insulation resistance with DC voltage up to 2.5 kV;
  • Diagnostic test (PI, DAR calculation);
  • Continuity of PE conductors with 200 mA test current and polarity change;
  • Continuity of PE conductors with 7 mA test current (continuous measurement) without RCD tripping;
  • TRMS voltage and frequency.

Key features

  • High measuring range: up to 100 GΩ with test voltage from 100 to 2500 V.
  • Insulation diagnostics: PI and DAR   calculation for determining if the insulation damaged or contaminated.
  • Guard test terminal: for elimination of potential surface leakage currents.
  • Polarity swap: automatic polarity reversal on continuity test.
  • Analogue scale: measuring results are displayed in numeric and analogue representation.
  • Custom limits: if limits are set on insulation or continuity function then large green and red lights of the LEDs will indicate a PASS or FAIL evaluation of test result.
  • Safe: suited for testing on CAT IV installations.
  • Built-in charger & rechargeable batteries: instrument has a built-in charging circuit and comes complete with a set of rechargeable NiMH batteries. Memory: two level memory structure for saving of test results and parameters.
  • Downloadable: downloads via RS232 or USB cable directly to the PC with the help of the PC software EuroLink PRO.
  • Easy to use: large bright LCD display and large buttons enable easy handling of the instrument (even while wearing gloves).
  • Magnetic holder: magnet for fixing instrument on metal surfaces enables hands-free operation.

Technical data

  • Dimensions (w x h x l): 140 x 80 x 230 mm
  • Mass (without accessories): 0.80 kg
Main Features
Voltage DC
Voltage DC
Voltage AC
Frequency
Voltage TRMS
Earth Bond / Continuity
Max Test Current 7 mA 2-wire
Max Test Current 200 mA 2-wire
Single/Continuous mode
Insulation Resistance
Test Voltage 100 V
Test Voltage 250 V
Test Voltage 500 V
Test Voltage 1000 V
Test Voltage 2500 V
Calculation of PI
Calculation of DAR
Calculation of DD
Test voltage display
Automatic Discharge
Additional Features
Hand-Held
Hand-Held
PASS / FAIL Indicators
PASS/FAIL Indicators
Display
Back Light
Power Supply
Rechargeable Batteries in standard delivery
Battery Powered
Test Lead Compensation
Test Lead Compensation
Communication Port
Communication Port USB
Communication Port RS232 – PS/2
Memory
Internal memory
Downloadable
IP protection
IP 65
Protection category
CAT IV 300 V
CAT III 600 V
Special Accessories
PC Software Package
PC Software Package
Battery Charger
Battery Charger
Electrical Energetics
Industrial installations
Specific earth resistance measurement methods
Standards Applied
Building LV Installation
EISinsp Competences: Low Voltage Electrical Installation Safety Inspection
EISc Competences: Low Voltage Electrical Installation Safety for Contractors and Maintainers
IEC/EN 60364 Electrical Installations for Buildings series
IEC/EN 60364-6 Electrical Installations for Buildings – Verification
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 61557-1 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 1: General requirements
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
IEC/EN 61557-10 Electrical safety in low voltage distribution systems up to 1 000 v a.c. and 1 500 v d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 10: Combined measuring equipment for testing, measuring and monitoring of protective measures
BS 7671 IEE Wiring Regulations (18th edition)
CEI 64.8 V4 rated electrical equipment not exceeding 1,000 VAC and 1,500V DC current
Earthing and lightning protection 
LPSinsp Competences: Lightning Protection of Buildings Inspection
LPSc Competences: Lightning Protection of Buildings for Contractors and Maintainers
IEC 62305 Protection against lightning – series
IEC/EN 61557-4 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 4: Resistance of earth connection and equipotential bonding
Earthing and Grounding
EES Competences: Electrical Energetic Systems Earthing and Grounding Safety
HD 637 S1 Power installations exceeding 1 kV a.c.
Product ManualDownload

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Laboratory Calibration

Micro Precision operates 36 laboratories globally providing reliable localized support

  • Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
  • Comprehensive scopes of accreditation to meet a broad range of customer needs
  • Expedited calibration services available
  • Pickup and delivery services available
  • Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
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When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:

  • Cost effective; often less than OEM
  • Efficient; often much better turn-time than the OEM
  • Flexibility; willingness to work with customers to meet their needs
  • Warranted repairs
  • Ability to service many obsolete instruments
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From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.

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