KYORITSU 3021 Digital Insulation / Continuity Tester (Made In THAILAND)
19,000.00 ج.م
متوفرالكود 34963001206810
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KYORITSU 3021 Digital Insulation / Continuity Tester (Made In THAILAND)
KYORITSU 3021 Digital Insulation / Continuity Tester (Made In THAILAND) is a compact, four-range digital insulation and continuity tester engineered for low-voltage installations up to 600 V. Driven by a microprocessor, it delivers selectable DC test voltages (125 V, 250 V, 500 V, 1000 V) for insulation checks and a DC continuity test with up to 200 mA of test current. Its AUTO DISCHARGE feature safely bleeds residual charge from capacitive circuits, while visible and audible live-circuit warnings enhance user safety during operation.
Equipped with a back-lit LCD and 30-segment bar graph, the KEW 3021 provides clear trend indication even in dim environments. It features zero-Ω ADJ to null test-lead resistance, comparator modes with high/low alarms, and onboard memory to store up to 99 insulation readings. A safety interlock (“Safety” key) prevents accidental selection of higher test voltages, and AUTO POWER OFF conserves battery life after 15 minutes of inactivity.
Weighing just 600 g (including batteries) and outfitted with a neck strap, this tester is ideal for field engineers, electricians, and maintenance teams performing routine insulation audits, continuity checks, and preventive maintenance. Its rugged IP40 housing and quick auto-range functionality streamline inspections on switchboards, motors, transformers, and cable assemblies in industrial or commercial settings.
Features:
- Conforms to IEC 61010-1 (CAT III 600 V) and IEC 61557 series.
- Four insulation test voltages: 125 V, 250 V, 500 V, 1000 V.
- Auto-discharge of capacitive circuits after testing.
- Two continuity ranges (40 Ω, 400 Ω) with ≥200 mA test current and buzzer.
- Zero-Ω ADJ. to null test-lead/fuse resistance.
- Data hold (~5 s) and memory (up to 99 readings).
- Back-lit LCD with 30-segment bar graph.
- Comparator with HI/LO alarms (LED and buzzer).
- Live-circuit warning (LED and buzzer).
- Safety key interlock for high-voltage ranges.
- AUTO POWER OFF after ~15 min of inactivity.
- Test lead with remote control switch (no output unless connected).
- Robust IP40 housing, neck strap, user-changeable probes.
Specifications:
| Parameter | KEW 3021 |
|---|---|
| Insulation Resistance: | Auto-ranges: 0–4 / 0–40 / 0–400 / 0–2000 MΩ @125/250/500/1000 V DC; OC voltage: +0 % to +20 %; < 1.5 mA SC current; 1 mA nominal test current; Accuracy: ±(2 % rdg +6 dgt) on lower ranges, ±(5 % rdg +6 dgt) on higher |
| Continuity (Resistance): | Ranges: 0–40.00 Ω / 0–400.0 Ω; OC voltage: 5 V ± 20 %; ≥ 200 mA test current; Accuracy: ±(2 % rdg +8 dgt) |
| AC Voltage Indication: | 0–600 V AC; Accuracy: ±(3 % rdg +6 dgt) |
| Comparator: | Settable HI/LO thresholds on insulation ranges; LED and buzzer indication |
| Display & Sampling: | LCD 1999-count + unit symbols; 30-segment bar graph; Response time: ≤ 5 s after step change |
| Memory: | Stores up to 99 insulation readings with recall function |
| Safety & Insulation: | IEC 61010-1 CAT III 600 V; IP40 enclosure; 5.3 kV AC withstand (5 s) between circuit and case |
| Operating Conditions: | 0 °C–40 °C, RH ≤ 90 % (non-condensing); Altitude ≤ 2000 m; Storage: –20 °C–60 °C, RH ≤ 75 % |
| Mechanical: | 158 × 105 × 70 mm; Weight: 600 g (incl. batteries) |
| Power: | 6 × AA (R6P/LR6) batteries; Typical life: ≥ 1300 insulation tests (125 V) or ≥ 1000 (250 V/500 V) |
Applications:
- Insulation Resistance Testing in Low-Voltage Installations.
- Continuity Verification of Protective Conductors.
- Preventive Maintenance of Industrial Cabling.
- Live-Circuit Safety Checks.
- Motor and Transformer Insulation Audits.
- Switchboard and Panel Integrity Testing.
- Field Commissioning of Electrical Equipment.
Package Contents:
- 1x MODEL 7103 Test lead with remote control switch
- 1x MODEL 7161 Test bar
- 1x MODEL 7131 Safety alligator clip
- 1x MODEL 8017 Extension probe
- 1x Neck strap
- 1x Cord case
- 6x R6P (AA) batteries
- 1x Instruction manual
Documents:
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