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SPECIFICATIONS KYORITSU 3021A DIGITAL INSULATION CONTINUITY TESTER
- Insulation resistance
| Test voltage | 125/250/500/1000V |
|---|---|
| Measuring range<br>(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 |
- Ω/Continuity
| Auto range | 40.00/400.0Ω |
|---|---|
| Accuracy | ±2%rdg±8dgt |
| Output voltage on open circuit | 5V±20% |
| Output short circuit current | DC 220±20mA |
| Fuse | Quick acting ceramic fuse 0.5A/600V (Ø6.35×32mm) |
- AC Voltage
| AC voltage range | AC 20 – 600V (50/60Hz) DC -20 – -600V/+20 – +600V |
|---|---|
| AC Voltage | ±3%rdg±6dgt |
- General
| 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 / Weight | 105(L) × 158(W) × 70(D)mm / 600g approx. |
| 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) |
Introduction Kyoritsu 3021A Digital Insulation Continuity Tester
The Kyoritsu 3021A is a digital insulation and continuity tester designed for measuring the insulation resistance and continuity of electrical circuits, equipment, and wiring. It is widely used by electricians, maintenance technicians, and engineers to ensure the safety and proper functioning of various electrical installations. The device offers a range of features that make it a versatile tool for testing insulation integrity and circuit continuity in different environments.
The device can measure the insulation resistance of electrical systems to assess their ability to prevent leakage current. Insulation testing is crucial to detect potential faults, deterioration, or moisture ingress in insulation materials.
The continuity function allows the tester to verify the integrity of electrical connections and conductors. This is essential for ensuring proper circuit paths and minimizing the risk of open circuits.
Features
• Fast response and quick insulation test.
• 3 functions in one unit, insulation test with 4 voltage ranges, continuity test, AC voltage measurement
• 200mA measuring current on continuity testing
• Comparator function with PASS / FAIL and buzzer
• 0Ω adjustment at continuity measuring range
• Memory function up to 99 data
• Backlight LCD provides easy reading in dark locations
• Safety lock system prevents an erroneous operation on 500 and 1000 Volt ranges
• Safety standard IEC 61010-01 CAT III 600V
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