Digital Insulation Tester Kyoritsu KEW 3021A

Kyoritsu KEW 3021A Digital Insulation Tester

The Kyoritsu KEW 3021A Digital Insulation Tester is a specialized instrument designed for professionals involved in electrical maintenance, troubleshooting, and safety assessments. With its advanced insulation testing capabilities, this digital tester ensures the integrity of insulation in various electrical installations, preventing potential hazards and ensuring compliance with safety standards.

The Kyoritsu KEW 3021A Digital Insulation Tester is a valuable tool for professionals who prioritize electrical safety and preventive maintenance. Its insulation testing capabilities, user-friendly features, and safety functions make it an indispensable instrument for identifying and addressing insulation issues in a wide range of electrical applications. By ensuring proper insulation resistance, the KEW 3021A contributes to the overall safety and reliability of electrical systems.

Kyoritsu KEW 3021A Applications

Electrical Equipment Testing:

• Essential for routine testing of insulation in electrical equipment and machinery, preventing potential breakdowns and ensuring the reliability of electrical installations.

Cable and Wiring Inspections:

• Suitable for inspecting the insulation integrity of cables and wiring in buildings, industrial facilities, and power distribution systems.

Motor and Generator Testing:

• Crucial for evaluating the insulation resistance of motors and generators, identifying potential issues that could lead to electrical failures.

Quality Control in Manufacturing:

• Applicable in manufacturing environments to ensure the quality of insulation in electrical products and components.

KEW 3021A Key Features

Insulation Resistance Measurement:

• The primary function of the KEW 3021A is to measure insulation resistance in electrical circuits and systems. This is crucial for identifying potential faults, deterioration, or contamination in insulation materials.

Selectable Test Voltages:

• The insulation tester allows users to select different test voltages, accommodating various insulation materials and system requirements. This flexibility ensures accurate and reliable measurements in diverse applications.

Auto Discharge Function:

• After completing an insulation test, the auto discharge function ensures the safe discharge of residual voltage, minimizing the risk to the operator and the equipment being tested.

Large LCD Display:

• Equipped with a large LCD display, the tester provides clear and easy-to-read insulation resistance readings. This ensures visibility and accuracy during testing.

Data Hold Function:

• The data hold function allows users to freeze and retain the displayed measurement value. This is beneficial when working in challenging or confined spaces where immediate reading retrieval may be difficult.

Guard Terminal:

• Some models may feature a guard terminal to eliminate surface leakage currents during testing. This ensures more accurate insulation resistance measurements.

Kyoritsu KEW 3021A Specifications

• Test voltage:125/250/500/1000V
• Measuring range
  (Auto range):4.000/40.00/200.0MΩ(125V),4.000/40.00/400.0/2000MΩ(250/500/1000V)
• Mid-scale value:5MΩ (125/250V),50MΩ (500V/1000V)
• First effective measuring range:0.2 – 20MΩ (125V),0.2 – 40MΩ (250V),0.2 – 200MΩ (500V),0.2 – 1000MΩ (1000V)
• Accuracy:±2%rdg±6dgt
• Second effective measuring range lower:0.110 – 0.199MΩ
• Second effective measuring range upper:20.01 – 200.0MΩ (125V),40.01 – 2000MΩ (250V),200.1 – 2000MΩ (500V),1001 – 2000MΩ (1000V)
• Accuracy:±5%rdg±6dgt
• Rated current: DC 1 – 1.2mA
• Output short circuit current:1.5mA max

• Included Accessories:7150A (Remote control switch set),9121 (Shoulder strap), R6 (AA) × 6, Instruction Manual
• Optional Accessories:8923 (Fuse [0.5A/600V]), 9089 (Carrying Case)

• Applicable standards:IEC 61010-1 CAT III 600V, IEC 61557-1,2,4, IEC 61326-1 (EMC),
  IEC 60529 (IP40)
• Power source:R6 × 6 or LR6 × 6
• Dimensions :105(L) × 158(W) × 70(D)mm
• Weight : 600g approx.