Kyoritsu KEW 4102A Earth Resistance Tester
The Kyoritsu KEW 4102A is a compact, reliable earth resistance tester designed for accurate ground resistance measurements in various environments.
13,500.00 EGP
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The Kyoritsu KEW 4102A is an analog earth resistance tester designed to measure grounding integrity in electrical systems. It employs the fall-of-potential method, injecting AC current between earth electrodes to calculate resistance (Rx = V/I). The device ensures safety compliance with IEC 61010 and IEC 61557 standards, prioritizing user protection during operation.
Built with IP54-rated dust/drip-proof housing, it withstands harsh weather and industrial environments. Safety features include a protective fingerguard to prevent contact with live parts, overload protection (276V AC/DC), and warnings against use in flammable or wet conditions. Its insulation resistance (10MΩ at 1000V) and 3470V withstand voltage further enhance reliability.
The tester uses an analog taut-band meter for clear scale readings and includes an “OK” lamp to instantly verify auxiliary earth resistance validity. Battery-powered (6x AA), it offers mechanical zero adjustment and voltage checks to maintain accuracy. Its compact size (105x158x70mm) and soft carrying case facilitate fieldwork.
Features:
- IP54-rated dust/drip-proof construction for adverse weather use.
- OK lamp visually confirms valid auxiliary earth resistance and test lead continuity.
- Dual measurement modes: Precision (3-wire) and Simplified (2-wire using existing electrodes).
- Protective fingerguard shields users from shock during operation.
- Battery check function with low-power indicator.
- Analog taut-band meter for stable, clear readings.
- Simplified probe includes alligator clip and flat test bar for versatile connections.
- Soft carrying case for accessory storage and portability.
Specifications:
| Parameter | Details |
|---|---|
| Earth Voltage Range: | 0-30V AC, ±3% full scale |
| Earth Resistance Ranges: | 0-12Ω (x1), 0-120Ω (x10), 0-1200Ω (x100); ±3% full scale |
| Measurement Current: | ~3mA (x1Ω), ~2mA (x10Ω), ~1mA (x100Ω) at 820Hz |
| Overload Protection: | 276V AC/DC for 10 seconds |
| Power Supply: | 6x R6P (AA) batteries |
| Dimensions & Weight: | 105x158x70mm; 600g |
| Operating Conditions: | 0-40°C, ≤85% RH (indoor, ≤2000m altitude) |
| Safety Standards: | IEC 61010-1 (CAT III 300V), IEC 61557, IP54 (IEC 60529) |
Applications:
- Power distribution line grounding tests.
- In-house electrical wiring system checks.
- Electrical appliance earth resistance validation.
Package Contents:
- 1x M-7095A Test Leads
- 2x M-8032 Auxiliary Earth Spikes
- 1x M-7127A Simplified Probe (alligator clip + flat test bar)
- 1x M-9084 Carrying Case
- 1x Strap Belt
- 1x Instruction Manual
- 6x R6P (AA) Batteries
Kyoritsu KEW 4102A Documents:
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