• In addition to the facility for precision measurement, test leads for simplified two wire easuring 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 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.
(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 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.
| 4105A Soft Case Model | 4105A-H Hard Case Model |
|---|---|
 |
 |
| 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 |
| Dimensions | 105(L) × 158(W) × 70(D)mm |
| Weight | 550g approx. |
| 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) |