Model: 4105A

KYORITSU 4105A Earth Tester



• Dust and drip-proof. (designed to IEC 60529 IP54)
• In addition to the facility for precision measurement, test leads for a simplified two wire measuring system also supplied as standard accessories. (unit can be hung from the neck for simplified measurement)
• Designed to meet IEC 61010-1 safety standard.
• Capable of measuring earth voltage.
• Automatic warning when the resistance of auxiliary earth spikes is in excess of tolerance.
• Small and lightweight. Shock resistant new case material.
• 2mA measuring current permits earth resistance tests without tripping earth leakage current breakers in the circuit under test.

• Measurement ranges Earth Resistance: 0 – 20Ω/0 – 200Ω/0 – 2000Ω
• Earth Voltage [50,60Hz]: 0 – 200V AC
• Accuracy Earth Resistance: ±2%rdg±0.1Ω (20Ωrange)
• ±2%rdg±3dgt (200Ω/2000Ωrange)
• Earth Voltage: ±1%rdg±4dgt
• Overload protection Earth Resistance: 280V AC for 10 seconds across 2 of the 3 terminals
• Earth Voltage: 300V AC for 1 minute
• Applicable standards: IEC 60529 IP54
• Safety Standard: IEC 61010-1 CAT III 300V Pollution Degree 2, IEC 61557
• Power source: R6 (AA) (1.5V) × 6

Included Accessories:
• 7095A (Earth resistance test leads) × 1set
• (red-20m, yellow-10m, green-5m) 8032 (Auxiliary earth spikes) × 1set
• 7127A (Simplified measurement probe) × 1set
• R6 (AA) × 6
• 9121 (Shoulder strap)

Instruction Manual:
• Carrying case: 9084(Carrying case[Soft]:4105A only), 9165(Carrying case[Hard]:4105A-H only)
• Optional Accessories: 7100A (Precision measurement cord set)

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