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Model 4102A Earth
Tester |
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Earth Testers |
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Features
- The latest circuit design permits the instrument to operate
with the minimum of influence from earth voltage and earth
resistance of auxiliary earth spikes.
- Dust and drip proof. (designed to IEC 60529 IP54).
- Earth resistance value can be read directly from the scale.
- Designed to meet IEC 61010-1 safety standard.
- Capabile of measuring earth voltage.
- Small and lightweight shock resistance case material.
- 2mA measuring current permits earth resistance tests without
tripping earth leakage current breakers in the circuit under
test.
- Lead wire connection to 'C' and 'P' terminals allows
auxiliary earth resistance to be checked by 'OK' lamp. Lead wire
connection to 'C' and 'E' terminals is good when 'OK' lamp is
illuminated.

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Specifications |
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Measurement Ranges |
Earth Resistance: 0 to 12Ω, 0 to 120Ω, 0 to
1200Ω
Earth Voltage: 0 to 30V AC 50/60Hz |
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Accuracy |
Earth Resistance: ±3% of full scale
Earth Voltage: ±3% of full scale |
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Overload Protection |
Earth Resistance: 276V AC for 10 seconds across two of the three
terminals.
Earth Voltage: 276V AC for 1 minute |
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Safety Standard |
IEC 61010-1 CAT III 300V Pollution Degree 2 IEC 61557 |
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Applicable Standards |
IEC 60529 IP54 |
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Withstand Voltage |
3700V AC for 1 minute |
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General Specifications |
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Power Source |
R6P type 'AA' 1.5V batteries (Qty 6) |
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Dimensions |
105mm (L) x 158mm (W) x 70mm (D) |
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Weight |
600g approx. |
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Ordering Information |
Model 4102A (soft case model)
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Earth Tester supplied with: #7095 Test Leads (1 set red-20m,
yellow-10m, green-5m), #8032 Auxiliary Earth Spikes (1 set), #7127
Simplified Measurement Probe (1 set), R6P type 'AA' x6 batteries,
Neck Strap, Instruction Manual and Soft Carrying Case. |
Model 4102A-H (hard case model)
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Earth Tester supplied with: #7095 Test Leads (1 set red-20m,
yellow-10m, green-5m), #8032 Auxiliary Earth Spikes (1 set), #7127
Simplified Measurement Probe (1 set), R6P type 'AA' x6 batteries,
Neck Strap, Instruction Manual and Hard Carrying Case. |
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