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User Manual PDF 1 | User Manual PDF 2
Compact Low-Voltage Non-Contact AC Detector
The Fluke 1LAC II VoltAlert is a pocket-sized non-contact AC voltage detector specially calibrated for low-voltage control circuits operating between 20 V AC and 90 V AC. By sensing the electrostatic field produced through conductor insulation, the tip glows red and emits an audible alarm upon voltage detection. Featuring integrated Voltbeat technology with continuous self-testing, this instrument complies with safety rating CAT IV 1000 V.
Industrial Use Cases
- Control Circuit Diagnostics: Safely verifying 24V to 90V AC control loops, industrial relays, and automation terminal blocks without bare metal contact.
- HVAC Control Testing: Inspecting low-voltage thermostat wiring, transformer outputs, and safety interlocks in commercial systems.
- Fault Isolation: Detecting broken control conductors along insulated wiring runs in industrial machinery.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Sensing Range | 20 V AC to 90 V AC (Control circuit model) |
| Detection Principle | Electrostatic field detection through insulation |
| Indication Features | Red LED tip illumination and switchable audible beeper |
| Self-Test Technology | Voltbeat continuous self-test |
| Safety Rating | CAT IV 1000 V, IEC 61010-1:2001, Pollution Degree 2 |
| Power Supply | 2 x AAA alkaline batteries (included) |
Package Contents
- Fluke 1LAC II VoltAlert Non-Contact Voltage Tester
- 2 x AAA Alkaline Batteries
- User Manual