| RS PRO | 4kΩ | - | ±2% + 3 Digits | LCD | Earth Resistance, Earth Voltage | - | - | AA | Battery | - | 800g | 77mm | 1 Set Test Lead, 4 x Auxiliary Earth Spikes, 8 x Battery, Carrying Case, Manual, Neck Strap | 190mm | +40°C |
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| RS PRO | 2kΩ | - | ±2 % | LED | - | - | - | AA | Battery | - | 700g | 50mm | Battery x 6, Carrying Case, Iron Rods x 4, Manual, Sets Test Kits x 4 | 200mm | 40°C |
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| RS PRO | 1500Ω | RSCAL | ± 20% | LCD | Ground Resistance | CAT II 600V, CAT III 300V | 3000 Measurements | 9 V | Battery | - | - | 47mm | Resistance Calibration Plate, 9V Battery, User Manual, Carrying Case | 257mm | 50°C |
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| RS PRO | 2kΩ | RSCAL | ±2% + 3 Digits | LCD | Earth Resistance | CAT III 1000 V | - | AA | Battery | - | 700g | 50mm | 4 Iron Rods, 4 Sets Test Kits, 6 Battery, Cables, Carrying Case, Manual, Spikes, Test Certificate, Test Leads | 200mm | +40°C |
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| RS PRO | 1500Ω | - | ± 20% | LCD | Ground Resistance | CAT II 600V, CAT III 300V | 3000 Measurements | 9 V | Battery | - | - | 47mm | Resistance Calibration Plate, 9V Battery, User Manual, Carrying Case | 257mm | 50°C |
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| RS PRO | 3999Ω | RSCAL | ±2 % + 3 Digits | LCD | Earth Resistance, Earth Voltage | - | - | AA | Battery | - | 800g | 77mm | 1 Set Test Lead, 4 x Auxiliary Earth Spikes, 8 x Battery, Carrying Case, Manual, Neck Strap | 190mm | +40°C |
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| Chauvin Arnoux | 100kΩ | - | ±(2% reading +1digits) | LCD | - | CAT IV 50 V | - | - | - | - | - | - | - | - | - |
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| Chauvin Arnoux | 1.5kΩ | - | - | OLED | - | CAT IV 600V | - | AA | Battery | 55 x 95 x 262mm | - | - | - | - | - |
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| Catu | 2kΩ | - | ±3% + 1 Digit | LCD | Earth Resistance | CAT III | - | - | Mains | - | 340g | 51mm | Extension Reel, Probe | 210mm | +45°C |
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| Fluke | - | - | - | - | - | - | - | - | - | - | - | - | Auxiliary Earth Probe, Case, Test Lead | - | - |
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| Fluke | 300kΩ | - | ±7% + 2 Digits | LCD | Earth Resistance, Interference Frequency, Interference Voltage | CAT II 300 V | 6000 Measurements | AA | Battery | - | 1.1kg | 133mm | Battery | 250mm | +35°C |
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| Fluke | 19.99kΩ | - | ±2% + 2 Digits | LCD | 3 & 4 Pole Fall of Potential, 4 Pole Selective Earth Resistance, Selective, Stakeless | CAT II 300 V | 3000 Measurements | AA | Battery | - | 1.1kg | 133mm | Battery | 250mm | +35°C |
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| Catu | - | - | - | LCD | Grounding of Production Conductor, Phase Angle, Starting Time, Voltage & Network Conformity | CAT III | - | Rechargeable NiMH (7.2 V) | Battery | - | 360g | 51mm | - | 210mm | +45°C |
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| Megger | 20kΩ | - | 2 % ± 3 Digits | LCD | Ground Resistance | CAT IV 100 V | - | AA | Battery | 203 x 148 x 78mm | 1kg | 78mm | External AC/DC Charger (Rechargeable Version), Right Angle Terminal Adaptors (to Connect Bare Wires to Terminals), Stake and Wire Kit (15m, 10m, 3m) | 203mm | +55°C |
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| Megger | 2kΩ | - | 2 % ± 3 digits | LCD | - | CAT IV 100 VV | 3 h | AA | Battery | 203 x 148 x 78mm | 1kg | 203mm | Hard Carry Case, Stake and Wire Kit | 148mm | +55°C |
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| Kyoritsu | - | - | 2 % | LCD | Earth Resistance, Earth Voltage | CAT 300V | - | - | - | - | - | - | - | - | - |
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| Megger | - | - | - | - | - | - | - | - | - | - | - | - | Earth Test Spikes, Measuring Tape, Test Lead on Reel | - | - |
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| Fluke | - | - | ±(2 % rdg + 3 Digits) | LCD | Earth Resistance | - | 3000 Measurements | AA Alkaline | Battery | 187 x 250 x 133mm | 7.6kg | 133mm | Batteries, Cable Reel x 3, Carrying Case, Earth Ground Stake x 4, Fluke 1623 Tester, Inducing Clamp, Sensing Clamp, Test Lead x 2, User Manual | 187mm | +50°C |
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| Chauvin Arnoux | 1.5kΩ | - | - | OLED | - | CAT IV 600V | - | AA | Battery | - | - | - | - | - | - |
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| Fluke | 19.99kΩ | RSCAL | ±2% + 2 Digits | LCD | 3 & 4 Pole Fall of Potential, 4 Pole Selective Earth Resistance, Selective, Stakeless | CAT II 300 V | 3000 Measurements | AA | Battery | - | 1.1kg | 133mm | Battery | 250mm | +35°C |