Micro-Ohmmeters

Micro-Ohmmeters 2023-06-19T16:17:29+01:00

600A DC Micro-Ohmmeter

MODEL: DMOM-600

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The DMOM-600 is specifically designed for testing EHV circuit-breaker contact resistances, bushing contact joints, welding joints, or for any low-resistance measuring application. This high current and very lightweight (33 lbs/ 15 Kg) micro-ohmmeter is designed to meet the IEEE C57.09-1999 (5.15) requirement for testing circuit breaker contact resistance.

The DMOM-600 can accurately measure resistance values from 1 micro-ohm to 450 milliohms. A 0.1 micro-ohm resolution is possible with current greater than 5A. The DMOM-600 applies a selectable true DC test current from 10A to 600A to the resistance load to be tested. The DMOM-600 controls the test current’s rise and fall rates. The test current rise and fall rate can be selected from 5 seconds to 10 seconds. An “Auto Test” mode is also available and can be initiated simply by applying the sense cables’ leads across the two points of interest in the current path. This feature is very convenient when measuring a sequence of several resistance values in a circuit breaker contact. The DMOM-600 can also compare test results against preset limits and determine if a test passed or failed, and a “Pass” or “Fail” flag is displayed accordingly.

FEATURES & BENEFITS

  • Measures circuit breaker contact resistance with safety ground on (with the Dual Ground option)
  • Stores test records on-board or on external USB Flash drive
  • 10 to 600A programmable test current
  • Built-in 2.5″ wide thermal printer

TECHNICAL SPECIFICATIONS

200A DC Micro-Ohmmeter with built-in thermal printer

MODEL: DMOM-200 S3

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The DMOM-200 S3 is Vanguard’s fourth generation, microprocessor-based, true DC micro-ohmmeter. It is designed for testing EHV circuit-breaker contact resistances, bushing contact joints, welding joints, or for any low-resistance measuring application. This high current and very lightweight (19.8 lbs/ 8.9 Kg) micro-ohmmeter is designed to meet the IEEE C57.09-1999 (5.15) requirement for testing circuit breaker contact resistance.

The DMOM-200 S3 can accurately measure resistance values from 1 micro-ohm to 5 ohms. A 0.1 micro-ohm resolution is possible with current greater than 5A. The DMOM-200 S3 applies a selectable true DC test current from 1A to 200A to the resistance load to be tested. The DMOM-200 S3 controls the test current’s rise and fall rates. The test current rise and fall rate can be selected from 5 seconds to 10 seconds. An “Auto Test” mode is also available and can be initiated simply by applying the sense cables’ leads across the two points of interest in the current path. This feature is very convenient when measuring a sequence of several resistance values in a circuit breaker contact. The DMOM-200 S3 can also compare test results against preset limits and determine if a test passed or failed, and a “Pass” or “Fail” flag is displayed accordingly.

FEATURES & BENEFITS

  • Very lightweight: 19.8 lbs. (8.9 Kg)
  • Measures circuit breaker contact resistance with safety ground on (with the Dual Ground option)
  • Stores test records on-board or on external USB Flash drive
  • 1 to 200A programmable test current
  • Built-in 2.5″ wide thermal printer

TECHNICAL SPECIFICATIONS

200A DC Micro-Ohmmeter

MODEL: AUTO-OHM 200 S3

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The Auto-Ohm-200 S3 is Vanguard’s fourth generation, microprocessor-based, true DC micro-ohmmeter. It is designed for testing EHV circuit-breaker contact resistances, bushing contact joints, welding joints, or for any low-resistance measuring application. This high current and very lightweight (16.8 lbs/ 7.6 Kg) micro-ohmmeter is designed to meet the IEEE C57.09-1999 (5.15) requirement for testing circuit breaker contact resistance.

FEATURES & BENEFITS

  • Very lightweight: 16.8 lbs. (7.6 Kg)
  • Measures circuit breaker contact resistance with safety ground on (with the Dual Ground option)
  • Stores test records on-board or on external USB Flash drive
  • 1 to 200A programmable test current

PART NUMBERS

  • 9051-UC
  • 9051-DG [Dual Ground Option]

TECHNICAL SPECIFICATIONS

10A Micro-Ohmmeter

MODEL: AUTO-OHM 10

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The Vanguard Auto-Ohm 10 is a 10-ampere battery powered micro-ohmmeter designed for low-resistance-measuring applications such as the measurement of resistance in circuit breaker contacts, bushing contact joints, and welding joints. The unit is powered by four 3400mAh, 3.7Vdc Li-Ion rechargeable batteries. With these high capacity batteries, up to 2,900 tests per charge (10A/2 second duration) can be performed in the field. The Auto-Ohm 10 features a built-in charger that can charge the batteries when the unit is not in use.

The Auto-Ohm 10 features a rotary knob that is used to select either the “Contact Resistance” or “Transformer Resistance” test mode. The unit’s backlit LCD screen (128 x 64 pixels) is viewable in both direct sunlight and low light level. Resistance readings are displayed on the LCD screen in micro-ohms, milliohms, or ohms.

FEATURES & BENEFITS

  • High capacity Li-Ion batteries (perform up to 2,900 tests per charge (@ 10A/2 sec)
  • Built-in charger and line-power for continuous operation
  • Transformer winding resistance test mode
  • Contact resistance test mode
  • Protected to 600V
  • Lightweight (7.8 lbs. / 3.54 Kg)

PART NUMBER: 9131-UC

TECHNICAL SPECIFICATIONS

200A Safety Ground Tester with Built-In Thermal Printer

MODEL: SGT-200

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The Vanguard SGT-200 Safety Ground Tester is a 200A DC micro-ohmmeter designed specifically to measure the resistance of protective in-service grounding and jumper cable assemblies. The SGT-200 can measure the resistance of the grounding cables, clamps and ferrules. The measured resistance values can be compared against the calculated values (using the ASTM 2249-03 standard) and a Pass/Fail result can be printed along with the measured resistance values. Since the SGT-200 uses a DC current, there is no need to uncoil the cable under test. It can be conveniently tested in its coiled state in a much smaller testing enviornment.

The SGT-200 can measure resistance value from 1 micro-ohm to 1000 milliohms. A typical test requires the two ends of the safety ground cable to be connected to the terminals of the SGT-200. The resistance of the cable and ferrules can then be measured. If the cable size, cable length and temperature are provided, the SGT-200 will determine if the cables passes or fails the test and a pass/fail indicator will be printed on the test report.

Test results are printed on the unit’s built-in 2.5” thermal printer. A 44-key QWERTY-style rugged membrane keypad is used to input information and control the SGT-200. A back-lit graphic LCD screen (128 x 64 pixels) is used to display menus and test results.

The SGT-200 can store up to 100 test records in its internal memory. It also features a USB Flash drive interface port that can be used to store test data in a USB flash drive (not included). The SGT-200 also features an RS-232C port that is used for factory diagnostics and calibration. Test records can be reviewed and printed on a PC using the provided Vanguard VUS software.

FEATURES & BENEFITS

  • USB flash drive interface
  • RS-232C PC interface
  • Ground Stud
  • Back-lit LCD screen (128×64) pixels)
  • Power input connector
  • Power Switch
  • Cable Length
  • Cable temperature in celsius/fahrenheit
  • FAIL indicator
  • PASS indicator
  • 2.5″ wide thermal printer
  • Rugged, 44-key QWERTY keypad

PART NUMBER: 9133-UC

TECHNICAL SPECIFICATIONS

MMR-630 Winding resistance and Low resistance meter

MODEL: MMR-630

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The MMR-630 Series microohmmeters are professional-grade, portable instruments for measuring very low resistances. Due to their special measurement algorithms they can be used to test both resistive and inductive objects.

The MMR-630 is designed for electricians to test many types of electrical junctions, motor and power transformer windings. The results can be stored in the internal memory and sent to a computer via serial to USB interface. A PASS/FAIL test function rapidly displays results and indicates test progress with audio tones to give feedback to the user, and simplify the measurements. 

TECHNICAL SPECIFICATIONS

MPK102e – 100 A high current micro-ohmmeter

MODEL: MPK102e

MAKE: Tentech

Main Features:

  • Microprocessor controlled
  • Alphanumerical display
  • Resolution down to: 0.1 µΩ
  • Resistance reading up to: 200 Ω
  • Up to 100 A test current
  • Kelvin-type (4 – wires) measurement
  • Powered by internal battery (up to 10 A) or mains supply
  • Direct reading (up to 4½ digits)
  • Overheating protection
  • Serial data output (USB)

The MPK102e high current micro-ohmmeter is a portable, microprocessor-controlled instrument, used to accurately measure very low contact resistances of breakers and switches, busbars, transformers winding and engines, etc, with test currents from 1 mA to 100 A.

It employs the 4 terminals-method to avoid measurement errors caused by test leads and their contact resistances. Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution. It allows to measure resistances up to 200 Ω, with a resolution of up to 0.1 µΩ.

Using its internal rechargeable battery, measurements with up to 10 A test current may be carried out without connecting the equipment to mains supply. Powered by mains supply, it allows to measure with any test current up to 100 A.

Measurement accuracy is guaranteed by an state-of-the-art signals amplification system, offset-free and of high long-term stability.

Test current may be adjusted by the operator in every one of the ranges and their values are measured using an analog indicator (bargraph), making it easy to measure resistances with a significant inductive component, as in the case of big transformers windings.

The high-current generation system is based on modern technology that allows to significantly decrease both its weight (30.86 lb | 14 kg) and size. The cabinet is made of plastic material highly resistant to impacts and to environmental challenges.

Internal thermal sensors in all sensitive components avoid any damaged caused to the instrument due to overheating.

This is a strong but lightweight equipment and may be easily carried by one person. It is water-resistant and can be used under severe weather conditions offering an excellent performance working both in the laboratory and out in the field.

MPK105R – 100 A high current micro-ohmmeter

MODEL: MPK105R

MAKE: Tentech

Main Features:

  • BSG mode (Both Side Grounded)
  • Direct reading (up to 4½ digits)
  • Resolution: 0.1 μΩ
  • Resistance reading: up to 300 mΩ
  • Overheating protection
  • Open Modbus protocol: Can be remote controlled through an Android app or through USB by customized software, labview and PLC

The MPK105R high-current micro-ohmmeter is a portable, microprocessor-controlled instrument. Has optimized filters and protections for measurements in electrical substations. Can be used to accurately measure very low contact resistances of high voltage circuit-breakers and switches, busbars, etc., with test currents from 5 A up to 100 A. It employs the 4 terminals-method (U/I measuring principle) to avoid errors caused by test leads and their contact resistances.

Measurement accuracy is guaranteed by a state-of-the-arts signal amplification system, offset-free and of high long-term stability. Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution. It allows to measure resistances up to 300 mΩ, and the best resolution is 0.1 µΩ.

The high-current generation system is based on modern technology that allows to significantly decrease both its weight (approx. 11 kg) and size. The cabinet is made of plastic material highly resistant to impacts and to environmental challenges. Internal thermal sensors in all sensitive components avoid any damage caused to the instrument due to overheating.

This is a strong but lightweight equipment, and may be easily carried by one person. It is water-resistant and can be used under severe weather conditions (IP54 with closed lid) offering an excellent performance working both in the laboratory and out in the field.

MPK105x – 100 A high current micro-ohmmeter

MODEL: MPK105x

MAKE: Tentech

Main Features:

  • Alphanumerical display
  • Direct reading (up to 4½ digits)
  • Resolution: 0.1 µΩ
  • Resistance reading: up to 300 mΩ
  • U/I (4-wires) measurement
  • Overheating protection
  • Internal memory for up to 50 registers with 80 readings each
  • Built-in printer

The MPK105x high-current micro-ohmmeter is a portable, microprocessor-controlled instrument. Has optimized filters and protections for measurements in electrical substations. Can be used to accurately measure very low contact resistances of high voltage circuit-breakers and switches, busbars, etc., with test currents up to 100 A. It employs the 4 terminals-method (U/I measuring principle) to avoid errors caused by test leads and their contact resistances.

Measurement accuracy is guaranteed by a state-of-the-art signal amplification system, offset-free and of high long-term stability. Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution. It allows to measure resistances up to 300 mΩ, and the best resolution is 0.1 µΩ.

Test current may be adjusted by the operator and his value is measured using an analog indicator (bargraph).

It has an internal memory for up to 50 registers with 80 readings each. The serial data output (USB) may be connected to a computer to download the stored values.

The high-current generation system is based on modern technology that allows to significantly decrease both its weight and size. The cabinet is made of plastic material highly resistant to impacts and to environmental challenges. Internal thermal sensors in all sensitive components avoid any damage caused to the instrument due to overheating.

This is a strong but lightweight equipment, and may be easily carried by one person. It is water-resistant and can be used under severe weather conditions (IP65 with closed lid) offering an excellent performance working both in the laboratory and out in the field.

MPK203x – 200 A high current micro-ohmmeter

MODEL: MPK203x

MAKE: Tentech

Main Features:

  • Microprocessor controlled
  • Alphanumerical display
  • Resolution: 0.1 μΩ
  • Resistance reading: up to 20 mΩ
  • Up to 200 A test current
  • Kelvin-type (4-Wires) measurement
  • Internal memory for up to 200 readings
  • Direct reading (up to 4½ digits)
  • Overheating protection
  • USB interface
  • Built-in printer

The MPK203x is a smart and portable digital ohmmeter. Has optimized filters and protections for measurements in electrical substations. Can be used to accurately measure very low contact resistances of high voltage circuit-breakers and switches, busbars, etc., with test currents up to 200 A. It employs the 4 terminals-method (U/I measuring principle) to avoid errors caused by test leads and their contact resistances.

Measurement accuracy is guaranteed by a state-of-the-arts signal amplification system, offset-free and of high long-term stability. Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution.

Test current may be adjusted by the operator and his value is measured using an analogue indicator (bargraph).

It has an internal memory for up to 200 readings. The serial data output (USB) may be connected to a computer to download the stored values.

The high-current generation system is based on modern technology that allows to significantly decrease both its weight (approx. 11kg) and size. The cabinet is made of plastic material highly resistant to impacts and to environmental challenges. Internal thermal sensors in all sensitive components avoid any damage caused to the instrument due to overheating.

This is a strong but lightweight equipment, and may be easily carried by one person. It is water resistant and can be used under severe weather conditions (IP54 with closed lid) offering an excellent performance working both in the laboratory and out in the field.

MPK204e – 200 A high current micro-ohmmeter

MODEL: MPK204e

MAKE: Tentech

Main Features:

  • Microprocessor controlled
  • Alphanumerical display
  • Resolution down to: 0.1 µΩ
  • Resistance reading up to: 200 Ω
  • Up to 200 A test current
  • Kelvin-type (4 – wires) measurement
  • Powered by internal battery (up to 10 A) or mains supply
  • Direct reading (up to 4½ digits)
  • Overheating protection
  • Serial data output (USB)

The MPK204e high current micro-ohmmeter is a portable, microprocessor-controlled instrument, used to accurately measure very low contact resistances of breakers and switches, busbars, transformers winding and engines, etc, with test currents from 1 mA to 200 A.

It employs the 4 terminals-method to avoid measurement errors caused by test leads and their contact resistances. Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution. It allows to measure resistances up to 200 Ω, with a resolution of up to 0.1 µΩ.

Using its internal rechargeable battery, measurements with up to 10 A test current may be carried out without connecting the equipment to mains supply. Powered by mains supply, it allows to measure with any test current up to 200 A.

Measurement accuracy is guaranteed by an state-of-the-art signals amplification system, offset-free and of high long-term stability.

Test current may be adjusted by the operator in every one of the ranges and their values are measured using an analog indicator (bargraph), making it easy to measure resistances with a significant inductive component, as in the case of big transformers windings.

The high-current generation system is based on modern technology that allows to significantly decrease both its weight (35.27 lb | 16 kg) and size. The cabinet is made of plastic material highly resistant to impacts and to environmental challenges.

Internal thermal sensors in all sensitive components avoid any damaged caused to the instrument due to overheating.

This is a strong but lightweight equipment and may be easily carried by one person. It is water-resistant and can be used under severe weather conditions offering an excellent performance working both in the laboratory and out in the field.

MPK215e – 200 A high current micro-ohmmeter

MODEL: MPK215e

MAKE: Tentech

Main Features:

  • Performs 30 consecutives 1-minute measurements with 1 minute interval between them
  • Alphanumerical display
  • Direct reading (up to 4½ digits)
  • Resolution: 0.1 μΩ
  • Resistance reading: up to 1 Ω
  • U/I (4-wires) measurement
  • Overheating protection
  • Internal memory for up to 50 registers with 80 readings each

The MPK215e is a portable, microprocessor controlled instrument, used to accurately measure very low contact resistances of breakers and switches, busbars, transformers winding and engines, etc, with test currents from 5 A to 200 A. It employs the 4 terminals-method to avoid measurement errors caused by test leads and their contact resistances.

Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution.

It allows to measure resistances up to 1 Ω, with a resolution of up to 0.1 μΩ.

Measurement accuracy is guaranteed by an state-of-the-art signal amplification system, offset-free and of high long-term stability

Test current may be adjusted by the operator in every one of the ranges and their values are measured using an analog indicator (bargraph), making it easy to measure resistances with a significant inductive component, as in the case of big transformers windings.

The high-current generation system is based on modern technology that allows to significantly decrease both its weight and size. The cabinet is made of plastic material highly resistant to impacts and to environmental challenges.

Internal thermal sensors in all sensitive components avoid any damaged caused to the instrument due to overheating.

This is a strong but lightweight equipment and may be easily carried by one person. It is water-resistant and can be used under severe weather conditions offering an excellent performance working both in the laboratory and out in the field.

MPK215R – 200 A high current micro-ohmmeter

MODEL: MPK215R

MAKE: Tentech

Main Features:

  • BSG mode (Both Side Grounded)
  • Up to 30 consecutive tests
  • Direct reading (up to 4½ digits)
  • Resolution: 0.1 μΩ
  • Resistance reading: up to 1 Ω
  • Overheating protection
  • Open Modbus protocol: Can be remote controlled through an Android app or through USB by customized software, labview and PLC

The MPK215R high-current micro-ohmmeter is a portable, microprocessor-controlled instrument. Has optimized filters and protections for measurements in electrical substations. Can be used to accurately measure very low contact resistances of high voltage circuit-breakers and switches, busbars, etc., with test currents from 5 A up to 200 A. It employs the 4 terminals-method (U/I measuring principle) to avoid errors caused by test leads and their contact resistances.

The MPK215R has a cooling system that allows making a large number of consecutive tests without activation of thermal protection. Under normal ambient conditions (25 ºC) it can perform up to 30 consecutive tests with duration of 1 minute and 1 minute interval, time usually spent for repositioning the cables in another test point.

Measurement accuracy is guaranteed by a state-of-the-arts signal amplification system, offset-free and of high long-term stability. Resistances readings are shown in the alphanumeric display with up to 4½ digits-resolution. It allows to measure resistances up to 1 Ω, and the best resolution is 0.1 µΩ.

The high-current generation system is based on modern technology that allows to significantly decrease both its weight (approx. 11 kg) and size. The cabinet is made of plastic material highly resistant to impacts and to environmental challenges. Internal thermal sensors in all sensitive components avoid any damage caused to the instrument due to overheating.

This is a strong but lightweight equipment, and may be easily carried by one person. It is water-resistant and can be used under severe weather conditions (IP54 with closed lid) offering an excellent performance working both in the laboratory and out in the field.

MO2Ke – 1 A milliohmmeter

MODEL: MO2Ke

MAKE: Tentech

Main Features:

  • Up to 1 A test current
  • Resolution 0.01 mΩ
  • Resistance reading: up to 2 kΩ
  • Alphanumerical display
  • Direct reading (Up to 4½ digits)
  • Rechargeable battery
  • 0.2 % ± 2 digits basic accuracy
  • Kelvin-type (4-wires) measurement
  • Built-in printer (optional)
  • Serial data output (RS232)

The MO2Ke digital low resistance ohmmeter is a portable, microprocessor-controlled instrument used to accurately measure resistances of contacts, switches, transformers and motor windings, etc., using test currents from 1 mA up to 1 A.

It uses the Kelvin-type (4-terminals) measurement principle, thus eliminating errors caused by lead and contact resistances.

Resistance readings are shown in the alphanumeric display with up to a 4½ digit-resolution. It allows to measure resistances of up to 2 kΩ, with resolution of 0.01 mΩ.

Measurements accuracy is guaranteed by the state-of-the-art system for signal-amplification, offset-free and with long-term stability.

The equipment has a serial output (RS232) that allows to collect measured values in a serial printer, notebook or any data logger in order to register the tests performed.

The HOLD function keeps in the display the value measured at a certain time-point.

Test current may be adjusted by the operator in every one of the ranges and their values are displayed in analog form (bargraph), making it easy to measure resistances with a significant inductive component. The open circuit output voltage is up to 10 V, depending on the selected test current, reducing the stabilization time for the test current when highly inductive elements (specially transformers windings) are measured. The measurement circuit has an effective protection against voltage peaks originated by those inductances.

The equipment is housed in a rugged plastic case with a hinged lid and carrying handle. It is a portable, strong, impact resistant and lightweight equipment, suitable to be used in outdoors and under severe weather conditions. It supplies very reliable and accurate measurements both in laboratory and out in the field.

MPK256 – 10 A low current micro-ohmmeter

MODEL: MPK256

MAKE: Tentech

Main Features:

  • Microprocessor controlled
  • Alphanumerical display
  • Direct reading (up to 4½ digits)
  • Resolution: 1 μΩ
  • Resistance reading: up to 2000 Ω
  • U/I (4-wires) measurement
  • USB Data output
  • Rechargeable battery
  • Remote control through an Android™ app
  • Open protocol Modbus®

The MPK-256 digital very low resistance ohmmeter is a portable, microprocessor-controlled instrument used to accurately measure resistances of switches and circuit breaker contacts, transformer and motor windings, wire and cable samples, joints in busbars, etc., using test currents from 1mA up to 10 A.

It uses the Kelvin-type, four-terminals measurement principle, thus eliminating errors caused by lead and contact resistances.

Resistance readings are shown in the alphanumeric display with up to a 4½ digit-resolution. It allows to measure resistances of up to 2,000 Ω, with a resolution down to 1 µΩ.

Measurements accuracy is guaranteed by the state-of-the-art system for signal amplification, offset-free and with long-term stability.The equipment has a USB interface that allows to download the measured values to a computer for their later analysis.

The open circuit output voltage is of up to 10 V, depending on the selected test current, reducing the stabilization time for the test current when highly inductive elements are measured.

The measurement circuit has an effective protection against voltage peaks originated by those inductances.

Operation is very simple: Just connect the leads, switch-on the equipment, select the test current and press the start button. After a few seconds (depending on inductance of the element), direct reading appears on the display with the measure unit indication (Ω, mΩ or µΩ). If it is necessary, the display will show messages to help the operator (Low battery, Over range, etc).

The equipment is housed in a rugged plastic case with a hinged lid and carrying handle. It is a portable, strong, impact resistant and lightweight equipment, suitable to be used in field, under severe weather conditions. It supplies very reliable and accurate measurements both in laboratory and out in the field.

MPK257 – 10 A low current micro-ohmmeter

MODEL: MPK257

MAKE: Tentech

Main Features:

  • Microprocessor controlled
  • Alphanumerical display
  • Direct reading (up to 4½ digits)
  • Resolution: 0.1 μΩ
  • Resistance reading: up to 2000 Ω
  • U/I (4-wires) measurement
  • USB Data output
  • Rechargeable battery

The MPK-257 digital very low resistance ohmmeter is a portable, microprocessor-controlled instrument used to accurately measure resistances of switches and circuit breaker contacts, transformer and motor windings, wire and cable samples, joints in busbars, etc., using test currents from 1mA up to 10 A.

It uses the Kelvin-type, four-terminals measurement principle, thus eliminating errors caused by lead and contact resistances.

Resistance readings are shown in the alphanumeric display with up to a 4½ digit-resolution. It allows to measure resistances of up to 2,000 Ω, with a resolution down to 0.1 µΩ.

Measurements accuracy is guaranteed by the state-of-the-art system for signal amplification, offset-free and with long-term stability.The equipment has a USB interface that allows to download the measured values to a computer for their later analysis.

The open circuit output voltage is of up to 10 V, depending on the selected test current, reducing the stabilization time for the test current when highly inductive elements are measured.

The measurement circuit has an effective protection against voltage peaks originated by those inductances.

Operation is very simple: Just connect the leads, switch-on the equipment, select the test current and press the start button. After a few seconds (depending on inductance of the element), direct reading appears on the display with the measure unit indication (Ω, mΩ or µΩ). If it is necessary, the display will show messages to help the operator (Low battery, Over range, etc).

The equipment is housed in a rugged plastic case with a hinged lid and carrying handle. It is a portable, strong, impact resistant and lightweight equipment, suitable to be used in field, under severe weather conditions. It supplies very reliable and accurate measurements both in laboratory and out in the field.