৳ 450.00

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Description

Non-Contact Voltage Tester 12-1000V Digital Voltage Tester (Mestek AC40)

The Mestek AC40 is a compact, non-contact voltage tester pen designed for electricians, DIY enthusiasts, and homeowners to safely detect alternating current (AC) voltage without direct contact with wires or circuits. Manufactured by Mestek Instruments, a brand specializing in electrical testing tools since 1989, this device emphasizes safety, portability, and ease of use. It detects voltage in common household and industrial applications, such as outlets, circuit breakers, light fixtures, switches, and low-voltage systems like doorbells or thermostats. With dual-range detection capabilities, it offers flexibility for both low-sensitivity (standard) and high-sensitivity (low-voltage) testing. The “digital” aspect refers to its LED-based visual indicators and sensitivity adjustments, providing clear, immediate feedback via lights, sounds, and vibrations.

This tester is particularly valued for its ergonomic design and robust build, making it ideal for quick troubleshooting in tight spaces or low-light conditions. It’s compliant with international safety standards and comes with a manufacturer's warranty.

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Features and Functionality

The Mestek AC40 stands out for its user-friendly design and practical features tailored for real-world electrical work

Dual Sensitivity Modes

Low Sensitivity (48–1000V AC): Default mode with red LED indicator. Best for household wiring, outlets, and high-voltage circuits to reduce false positives.
High Sensitivity (12–1000V AC): Activated via range button (orange LED indicator). Ideal for detecting low-voltage sources like doorbells, thermostats, power strips, or irrigation systems.

Multi-Mode Alarms

Bright red flashing LEDs (intensity varies with voltage strength: low, medium, high).
Audible buzzer (traffic-light style: short beeps for low voltage, continuous for high).
Vibration feedback for noisy environments.

Built-in Flashlight

Integrated LED light for illuminating dark panels, under-sink areas, or tight spaces.

Live/Null Wire Detection

Differentiates live wires from neutral/ground lines.
Identifies wire breakpoints by scanning along cables.

Ergonomic Design

Slim pen shape with pocket clip for portability.
Soft-touch button and non-slip grip for one-handed operation, even with gloves.

Self-Test Function

Green LED confirms functionality at power-on.
Battery-low warning prevents unexpected failures.

These features make it versatile for applications like home wiring checks, automotive diagnostics, HVAC troubleshooting, and industrial inspection

Product Specifications

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Model Number:

Availability: In stock

Minimum order quantity: 1

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Listed date: 7th Apr, 2026

Key Specifications

Here’s a summary of the technical specifications for the Mestek AC40:

Specification	Details
Voltage Detection Range	Dual-range: 12-1000V AC (high sensitivity) or 48-1000V AC (low sensitivity)
Detection Type	Non-contact (inductive sensing via pen tip)
Safety Ratings	CAT III 1000V / CAT IV 600V; CE certified; Double insulation
Alarm Indicators	LED lights (red for detection, orange for high sensitivity mode), buzzer sound, and vibration
Additional Features	LED flashlight for low-light use; Auto shut-off after 15 minutes of inactivity; Low battery indicator
Power Source	2 x AAA 1.5V batteries (not included)
Dimensions	Approximately 160 x 28 x 20 mm (6.3 x 1.1 x 0.8 inches)
Weight	About 46g (1.6 oz) – lightweight and pocket-sized
Durability	IP67 waterproof and dustproof; Drop-resistant up to 2 meters
Operating Temperature	0°C to 40°C (32°F to 104°F)