| 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 | 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 | 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 | - | - | ±(1% of reading + 2mO) | LCD - Dot Matrix | Ground Resistance | - | - | - | - | 330 x 148 x 460mm | - | - | - | - | - |
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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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| 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 | 1500Ω | UKAS | ± 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 | 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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| Megger | 200000Ω | RSCAL | ±2% + 3 Digits | LCD | 4 Terminal Earth Resistance, Soil Resistance | CAT IV 100 V | 3 h | AA | Battery | - | 1kg | 148mm | Calibration Certificate, Case, Spike, Test Lead | 203mm | +55°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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| Chauvin Arnoux | 2kΩ | - | ±2% + 3 Digits | LCD | 3 Wire Earth Resistance, 4 Wire Coupling, 4 Wire Earth Resistance | - | - | AA | Battery | - | 2.8kg | 127mm | Battery, User Manual | 273mm | - |
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| Sefram | 2kΩ | - | ±2 % | LED | - | 300 V CAT II | 10 h | - | - | - | - | - | - | - | - |
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| Fluke | 1.5kΩ | - | ±1.5 % of 0.02 Reading | LCD | Earth Ground Loop Resistance | CAT III 1000 V, CAT IV 600 V | 15 h | AA | Battery | 283 x 105 x 48mm | 880g | 283mm | 4 AA Batteries, Earth Ground Clamp, Hard Case, Loop Resistance Standard, Quick Reference Guide, Safety Information Guide | 105mm | +50°C |
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| Megger | - | - | - | - | - | - | - | - | - | - | - | - | Earth Test Spikes, Measuring Tape, Test Lead on Reel | - | - |
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| Fluke | 1500Ω | RSCAL | ±1.5 % of 0.02 Reading | LCD | Earth Ground Loop Resistance | CAT III 1000 V, CAT IV 600 V | 15 h | AA | Battery | - | 880g | 283mm | 4 AA Batteries, Earth Ground Clamp, Hard Case, Loop Resistance Standard, Quick Reference Guide, Safety Information Guide | 105mm | +50°C |
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| Chauvin Arnoux | 99.99kΩ | - | ±(5% reading +1digits) | LCD | - | CAT IV 50 V | - | - | - | - | - | - | - | - | - |
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| Fluke | 300kΩ | RSCAL | ±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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| Catu | 2kΩ | - | ±3% + 1 Digit | LCD | Earth Resistance | CAT III | - | - | Mains | - | 340g | 51mm | Extension Reel, Probe | 210mm | +45°C |
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| Chauvin Arnoux | 1.5kΩ | - | - | OLED | - | CAT IV 600V | - | AA | Battery | 55 x 95 x 262mm | - | - | - | - | - |
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| Fluke | 1.5kΩ | - | ±1.5 % of 0.02 Reading | LCD | Earth Ground Loop Resistance | CAT III 1000 V, CAT IV 600V | 15 h | AA | Battery | 283 x 105 x 48mm | 880g | 283mm | 4 AA Batteries, Earth Ground Clamp, Hard Case, Loop Resistance Standard, Quick Reference Guide, Safety Information Guide | 105mm | +50°C |