AC Voltage Single Phase Meter
Key Features & Specifications
- Accuracy Class 0.5S
- 11 to 300V AC (L – N), 19 to 519V AC (L – L) measurement
- Compatible for 1 phase 2 wire, 2 phase 3 wire, 3 phase 3 wire, 3 phase 4 wire systems
- Digital input & RTC
- Energy auto resolution from Kilo to Mega to Giga
- Max / Min Instantaneous values & Power Demand measurement, Import / Export Energy measurement
- %THD up to 31st level, RS485 Communication MODBUS RTU protocol
- CE, RoHS Certified
Product Description
Category 1.0: AC Panel Meter
Subcategory 1.1: AC Single Phase Meter
⚡ Product 1.1.1 AC Single Phase Voltmeter: KEW-ACVM-1P
Description of Product:
- The KEW-AVM-1P is a precision measurement device used to continuously monitor voltage levels in single-phase electrical circuits. It ensures real-time voltage feedback to safeguard electrical systems.
- More than just a meter — it’s the first line of defense in voltage monitoring, transforming uncertainty into actionable insight.
Features of KEW-AVM-1P:
- Display: 7-Segment 4-Digit LED Display
- Voltage Range:
- Direct: 0–750V
- PT Operated:
- Primary: 50–500KV
- Secondary: 50–500V
- Auxiliary Voltage: 45–230V AC/DC (customizable)
- Accuracy Class: 0.5–2
- Size: 96×96, 72×72, 48×96 mm (customizable)
Specification of AC Single Phase Voltmeter
Electrical Characteristics:
- Auxiliary Supply: 150–300V AC / 45–270V AC/DC / 19–60V AC/DC
- Input Voltage:
- Direct: 0–750V
- PT Operated:
- Primary: 50–500KV
- Secondary: 50–500V
- Accuracy Class: 1 & 0.5
- VA Burden: Auxiliary <1.5VA, Input <1.0VA
- Frequency: 40–400Hz
- Overload: 1.2× Continuous
- Dielectric Strength: 2.5KV @ 50Hz (1 min)
- Impulse Withstand: 3.5KV for 1.2/50μs
Environmental Characteristics:
- Operating Temp: 0–60°C
- Storage Temp: 0–55°C
Mechanical Characteristics:
- Mounting: Panel Mount
- Faceplate: Polycarbonate (Transparent)
- Case: FR-ABS (Black)
- Connectors: Nylon 666 + Brass
- Mounting Clamps: Glass-filled Nylon w/ Screws
Display Characteristics:
- Display: 4-digit 7-segment RED LED
- Digit Height: 0.56” (14.2mm)
- Display Stability: ±1 Digit
- Decimal Point: Auto + Manual
- Refresh Rate: 8ms
Metering Standard: IEC62052-11
Panel Cutout Dimensions:
Terminal Connection:
Applications and Industries Where It Is Used
⚡ Electrical Panel Manufacturing
Where: Control panels, distribution boards, and starter panels
Why: Ensures regulated voltage delivery to connected loads
☀️ Solar Power Systems
Where: Inverter panels, AC distribution boxes
Why: Tracks output voltage, ensures safe grid/load connection
🚗 EV Charging Infrastructure
Where: Charging stations, test benches
Why: Validates supply conditions before charger operation
🏭 Industrial Automation & Factories
Where: Machinery control panels
Why: Detects voltage instability that may disrupt automation
📡 Telecommunication Sites
Where: BTS panels, telecom shelters
Why: Prevents voltage drops and signal interruptions
🧪 Testing & Calibration Labs
Where: Electrical simulators and test benches
Why: Verifies voltage input accuracy during testing
Ordering Information
| Model | Measuring Range | Accuracy | Aux Supply | Dimensions (MM) | Panel Cutout |
|---|---|---|---|---|---|
| ACVM-BG-1V (96×96) | 0–10V / 20V / 30V / 100V / 750V AC | 0.5 / 1.0 | 150–300V AC / 45–270V AC/DC / 19–60V AC/DC | 96×96×39.5 | 92×92 |
| ACVM-SG-1V (72×72) | 20–750V AC | 0.5 / 1.0 | 15–300V AC / 45–270V AC/DC / 19–60V AC/DC | 72×72×59 | 68×68 |
| ACVM-RECT-1V (48×96) | 20–750V AC | 0.5 / 1.0 | 45–270V AC/DC | 48×96×74 | 44×92 |