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Extech
Extech DV30 AC Voltage Detector
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Extech DV30 non-contact adjustable AC voltage detector about 12–600 VAC, CAT III 600 V. RFQ + selection help.
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Key parameters
Voltage Detection
Non-contact 12 to 600 V AC
Frequency Bandwidth
50 to 500 Hz
Sensitivity
Adjustable; self-test function
Indication
Audible and visible voltage indication
Safety Category
CAT III 600 V
Power
4 × LR44 (1.5 V)
Fits quick live-circuit checks where you need a pen-style non-contact AC voltage detector with adjustable sensitivity from about 12 VAC to 600 VAC.
Key advantages
- ~12–600 VAC NCV — pen-style non-contact AC voltage detector with adjustable sensitivity.
- Audible + visible — self-test and pocket clip for quick live checks.
- CAT III 600 V — EN 61010 class NCV detector.
- LR44 button cells — compact pen body for tool pouches.
Typical applications
- Quick live-circuit presence checks before opening enclosures.
- Tracing hot sides and breaks on AC wiring.
- Service kits needing an adjustable-sensitivity NCV pen.
Selection guide
- Type — Extech DV30 non-contact adjustable AC voltage detector.
- Range — Non-contact detection about 12 VAC to 600 VAC.
- Indication — User-adjustable sensitivity dial; audible and visible indication; self-test; pocket clip.
- Safety — EN 61010 CAT III 600 V class NCV detector.
- Power / form — Button-cell batteries (LR44 class); pen-style body.
Common mistakes
- Treating NCV as a contact voltmeter reading — it indicates presence, not a calibrated voltage value.
- Leaving sensitivity at max near densely wired panels — adjustable dial is there to reduce false positives.
- Expecting DC detection — listed path is AC about 12–600 VAC.
- Ignoring CAT III 600 V limits when probing higher-category installations.
- Test & measurement instruments · Test & measurement buying guide
- Request a Quote · Get selection help
When to RFQ / what to tell us
- AC voltage band vs about 12–600 VAC and CAT III 600 V need.
- Quantity and whether spare LR44 button cells are required.
- Ship-to country.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 24414 |
| Brand | Extech |
| Model | DV30 AC Voltage Detector |
| Product type | voltage_detector |
| Type | Extech DV30 non-contact adjustable AC voltage detector |
| Voltage range | Non-contact detection about 12 VAC to 600 VAC |
| Sensitivity | User-adjustable sensitivity dial; audible and visible indication |
| Functions | Self-test; pocket clip; locate live wires, breaks, hot sides and live outlets |
| Power | Button-cell batteries (LR44 class) |
| Safety | EN 61010 CAT III 600 V class NCV detector |
| Form factor | Pen-style non-contact voltage detector |
| Document | Extech DV30 datasheet + UM + OEM netx-assets product photo |
Documents
- Extech DV30 product page / documentation — request the current OEM PDF on RFQ (no direct public PDF URL stored for this SKU).
FAQ
Q: What voltage range does DV30 detect? A: Non-contact AC about 12 VAC to 600 VAC with adjustable sensitivity.
Q: Does it measure exact volts? A: No — audible/visible non-contact indication, not a contact voltmeter reading.
Q: What should I send for a quote? A: Voltage band, quantity, ship-to. Compatible with systems using Extech DV30 — we do not claim authorized-dealer status.
Links
| Parameter | Value |
|---|---|
| Voltage Detection | Non-contact 12 to 600 V AC |
| Frequency Bandwidth | 50 to 500 Hz |
| Sensitivity | Adjustable; self-test function |
| Indication | Audible and visible voltage indication |
| Safety Category | CAT III 600 V |
| Power | 4 × LR44 (1.5 V) |
| Dimensions | 6.3 × 0.75 × 1 in (155 × 28 × 25 mm) class |
| Weight | 2 oz (42 g) / 1.5 oz (42 g) per OEM literature variants |
| Form Factor | Pocket clip pen-style NCV detector |
| Certifications | CE, UL |
| Applications | Live wires, breaks, hot side of lines, outlet polarity, HVAC/security tracing |