Digital Panel Voltage Meter

Description

Product DescriptionThe Square 22mm AC Digital LED Voltmeter (AD16-22DSV Series) is a compact, panel-mounted signal indicator designed for crisp, real-time voltage monitoring. Merging the functionality of a digital readout with the form factor of a standard industrial pilot lamp, this device provides an instantly scannable, bright LED display of your system’s current line voltage.Constructed from rugged, flame-retardant plastic components, it is engineered to sit directly on control panels or distribution boards without taking up the extensive real estate required by traditional analog dial meters. It wires directly in parallel with your power lines, eliminating the need for external power supplies or specialized transformers to function.### Key FeaturesMinimalist Square Bezel: Features a modern, flush-fitting square display head that looks clean on any electrical cabinet or distribution board.Direct Line Monitoring: Measures a wide AC voltage span—typically AC 60V–500V—capturing everything from standard residential lines up to commercial multi-phase lines.Two-Wire Easy Installation: No complex wiring layout or external current transformers needed; simply connect the active lines to the rear screw terminals.Vibrant LED Matrix: High-visibility digital readout easily read from across a workspace or in dim electrical closets.## Compatibility GuideThis voltmeter is a universal, open-standard electrical component whose installation is defined by geometric sizing and basic power grid constraints.### 1. Structural & Installation CompatibilityPanel Cut-out: Drops directly into standard 22mm (7/8 inch) circular knockout holes, matching standard industrial push-buttons, selectors, and indicator pilot lights.Mounting Enclosures: Fits seamlessly into home distribution boards (DB boxes), generator control panels, custom power strips, stabilizer enclosures, solar inverter breaker boxes, and standard industrial control desks.### 2. Electrical Systems CompatibilityGrid Framework: Exclusively compatible with AC (Alternating Current) networks. It cannot measure or be powered by DC systems (such as 12V automotive setups or standalone DC solar battery banks).Phase Configurations: Optimized for direct single-phase line monitoring ($230text{V}$). To read phase-to-phase voltages in a 3-Phase system ($380text{V} – 415text{V}$), you can mount three individual meters side-by-side (one for each line: L1, L2, L3).### 3. Comparable Models & Universal SubstitutesBecause these are standard commodity industrial parts, this square indicator light can be directly swapped out with identical 22mm models across various electronic component brands, including:TOMZN AD16-22DSV Square AC Digital IndicatorsGebildet 22mm Square LED Voltage DetectorsNIN (Ninuo) AD16 Square Series Signal LampsAeron / amiciSense Mini Digital Square Voltmeters