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Megger DET2/3 High Resolution Earth Tester

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  • Extremely high 1mΩ resolution for testing ground electrodes and soil resistivity
  • Sophisticated frequency, current and filtering for 2-, 3- & 4-pole testing
  • Large memory allows Wenner and Schlumberger resistivity calculation methods
(Ex. VAT) £3,345.00 (Inc. VAT) £4,014.00

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  • Description

    Megger DET2/3 High Resolution Earth Tester

    The Megger DET2/3 High Resolution Earth Tester is a sophisticated tester intended for use on large earthing systems where it is important to measure ground electrode resistance and soil resistivity. It has a single fully automatic range from 0.01Ω to 20kΩ with an accuracy of ±0.5% and a maximum resolution of 1mΩ. This can be applied across two-, three- and four-pole testing and the tester meets standards including BS7430 (earthing/grounding), BS-EN-62305 (lightning protection), BS-EN-50122-1 (railways) and IEEE Standard 81.

    Several features facilitate easier testing with the Megger DET2/3. The onboard microprocessor can identify errors and provides all pertinent information on screen. The test frequency (10Hz to 200Hz) and current (<50mA) can be easily adjusted along with the filtering in order to help maintain accuracy in difficult conditions.

    The wide band of test current frequencies with an excellent resolution of 0.5Hz helps cancel out noise from the tester’s surroundings. Automatic frequency selection, meanwhile, will find the frequencies with the lowest noise level in order to carry out testing. Test current, frequency and filtering are saved to the earth tester’s internal memory for later use.

    Other measurement options on the Megger DET2/3 include 3- & 4-pole ART resistance measurements (0.01Ω to 10kΩ); stakeless resistance measurement (0.01Ω to 10kΩ); and leakage current measurement (0.00A to 2.00A) in addition to various continuity measurements and bonding tests. The tester is therefore an extremely comprehensive instrument with a particular aptitude for complicated earthing systems.

    The Megger DET2/3 has a large colour display that clearly displays readings and is also capable of providing a live trace of readings with a graphical display of the amount of noise from the system under test. The large internal memory has enough space for 5000 records with 900,000 data points as well as previously used test settings. Data can be downloaded via the USB port to a PC running PowerDB™ software. The large memory also facilitates the Wenner and Schlumberger methods of resistivity calculation.

    A robust dual case design keeps the Megger DET2/3 safe from the elements. The tougher outer layer protects against impacts and the inner layer is fire resistant whilst the whole unit benefits from an IP65 ingress protection rating. The rechargeable battery lasts for up to 10 hours and has a fast recharge up to 50% or three-hour charge to full power. It is rated Cat IV 300V and weighs just 4.5kg.

    The Megger DET2/3 Earth Tester is available as a standalone instrument which comes supplied with a charger, calibration verifier instrument, pouch and carry strap but no leads or clamps. It is also possible to upgrade to a 50m test set or 100m set that include four test cables (50m & 30m or 100m & 60m), voltage and current clamps, four test spikes, and two 1.5m test leads.

    Megger part number: 1008-942 / 1008-963 / 1008-983

    Key Features

    • 2-, 3- and 4-pole testing
    • Suitable for ground electrodes & soil resistivity
    • Single fully automatic range: 0.01Ω to 20kΩ
    • High-resolution readings (1mΩ)
    • 3- & 4-pole ART resistance measurement: 0.01Ω to 10kΩ
    • Stakeless resistance measurement: 0.01Ω to 10kΩ
    • Leakage current measurement: 0 to 2A
    • Colour graphical 4.3” display
    • Memory for 5,000 records and 900,000 data points
    • 10-hour battery life
    • Fast recharging system
    • IP65 protection rating thanks to dual-case protection

    Kit Contents

    Reel with 30m test cable x2 

     DET2/3 only
    (1008-942)
    ETK50C 50m Kit
    (1008-963)
    ETK100C 100m Kit
    (1008-983)
    Charger
    MCC1010 Current Clamp  
    MCV1010 Voltage Clamp  
    User guide
    Calibration verifier, instrument
    Calibration verifier, clamps  
    Reel with 50m test cable   x2  
    Reel with 100m test cable     x2
    Reel with 60m test cable     x2
    Test spikes   x4 x4
    100m tape measure    
    1.4m lead with connectors and clips  
    Pouch
    Carry strap

     

    Standard

    • Megger DET2/3 Advanced Earth Tester
    • Charger
    • User guide
    • Calibration verifier, instrument
    • Pouch
    • Carry strap

    50m Kit

    • Megger DET2/3 Advanced Earth Tester
    • Charger
    • MCC1010 current clamp
    • MVC1010 voltage clamp
    • User guide
    • Calibration verifier, instrument
    • Calibration verifier, clamps
    • 2 x reel with 50m test cable
    • 2 x reel with 30m test cable
    • 4 x test spikes
    • 2 x 1.4m connectors and clips
    • Pouch
    • Carry strap

    100m Kit

    • Megger DET2/3 Advanced Earth Tester
    • Charger
    • MCC1010 current clamp
    • MVC1010 voltage clamp
    • User guide
    • Calibration verifier, instrument
    • Calibration verifier, clamps
    • 2 x reel with 100m test cable
    • 2 x reel with 60m test cable
    • 4 x test spikes
    • 100m tape measure
    • 2 x 1.4m connectors and clips
    • Pouch
    • Carry strap
  • Specification

    2, 3 and 4 pole resistance measurements

    • Range: 0.001 Ω to 20.00 kΩ auto range
    • Display: 4-digit display
    • Accuracy: ±0.5 % of reading ±2 digits at 23 °C ±2 °C
    • Operational uncertainty ±2 % of reading, ±2 digits (meets IEC61557 operational uncertainty requirement with readings over 10 mΩ) when spike resistances are below 100 Ω ±5% of reading ±2 digits ±10 mΩ (meets IEC61557 operational uncertainty requirement with readings over 10 mΩ)
    • Test standards: BS 7430 (Grounding); BS 62305 (Lightning); BS50122 (Railway); IEEE Standard 81
    • Test frequency: 10 Hz to 200 Hz in steps of 0.5 Hz
    • Test current: 50 mA max.
    • Maximum output voltage: Less than 50 V rms
    • Maximum interference: Up to 50 V pk to pk

    3 and 4 pole ART (selective) resistance measurements

    • Range: 0.01 Ω to 10.00 kΩ auto range
    • Accuracy: ±5 % of reading ±3 digits at 23 °C ±2 °C

    Stakeless resistance measurement

    • Range: 0.01 Ω to 200 Ω
    • Accuracy: ±7 % accuracy, ±3 digits

    Leakage current

    • Range: 0.00 A to 2.00 A
    • Accuracy: ±5% (±3 digits)

    Instrument specifications

    • Display: 4.3 inch QWVGA, daylight viewable backlit color
    • Operating temperature and humidity: -10 to +40 °C; 90 % RH max at +40 °C
    • Storage temperature: -20 to +60 °C
    • IP rating: IP54 operational (lid open), IP65 storage (lid closed)
    • Measurement rating: CAT IV 300 V
    • Power supply: Internal Li-ion battery or external 12-18 V, 65 W, DC supply
    • Battery life: Up to 10 hrs use
    • Battery charging time: Fast recharge to 50%, 3 hrs for 100%
    • Safety: Meets IEC 61010
    • EMC: Meets IEC 61326
    • Dimensions: L 315 x W 285 x H 181 mm
    • Weight: 4.5 kg
    • Data download: To PC through USB 2.0
    • Data storage: On board 500 record storage providing 900,000 data points downloadable as *.txt
    • USB type A: Data download to USB drive
    • USB type B: Data download to PC
    • Secondary measurement display: Noise, voltage and current
    • Resistivity calculation: Wenner: PE = 2 π a RW; Schlumberger: PE = π b (b+a) R/a
    • Test modes: Internally set 2P, 3P; ART (Selective), 4P; Stakeless (clamp) modes
    • Aux inputs: MCC1010, MVC1010
    • RoHS compliant: Yes
  • Supplied Accessories

    Standard

    • Megger DET2/3 Advanced Earth Tester
    • Charger
    • User guide
    • Calibration verifier, instrument
    • Pouch
    • Carry strap

    50m Kit

    • Megger DET2/3 Advanced Earth Tester
    • Charger
    • MCC1010 current clamp
    • MVC1010 voltage clamp
    • User guide
    • Calibration verifier, instrument
    • Calibration verifier, clamps
    • 2 x reel with 50m test cable
    • 2 x reel with 30m test cable
    • 4 x test spikes
    • 2 x 1.4m connectors and clips
    • Pouch
    • Carry strap

    100m Kit

    • Megger DET2/3 Advanced Earth Tester
    • Charger
    • MCC1010 current clamp
    • MVC1010 voltage clamp
    • User guide
    • Calibration verifier, instrument
    • Calibration verifier, clamps
    • 2 x reel with 100m test cable
    • 2 x reel with 60m test cable
    • 4 x test spikes
    • 100m tape measure
    • 2 x 1.4m connectors and clips
    • Pouch
    • Carry strap
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