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Description

Engineered for complete three-phase monitoring, this digital VAF meter measures line voltages, phase currents, and grid frequency in real time. The high-contrast three-row LED screen displays electrical parameters simultaneously, eliminating the need for manual selector switches. Its micro-controller-based design supports programmable CT and PT ratios, allowing easy adaptation to low and high-voltage power networks. Housed in a flame-retardant panel enclosure, it offers optional RS485 Modbus output to stream diagnostic data to centralized SCADA networks. This compact meter helps operators balance line loads, prevent phase imbalance, and ensure grid stability across commercial buildings, manufacturing plants, and generator panels.

Specifications

Key Attributes
Voltage Measurement Range50V to 500V AC (Line-to-Line) / 30V to 300V AC (Line-to-Neutral)
Current Measurement Range5mA to 5A AC (Programmable Primary CT up to 6000A)
Frequency Measurement Range45 Hz to 65 Hz
Display TypeUltra-Bright 3-Row 4-Digit Seven-Segment LED
System Compatibility3-Phase 4-Wire / 3-Phase 3-Wire / 1-Phase 2-Wire
Accuracy ClassClass 0.5 / Class 1.0 High Precision
Communication PortRS485 Modbus RTU Protocol (Optional)
Additional Information
Country of OriginIndia

Application

Displays real-time voltage, current, and frequency on main electrical distribution panels.

Monitors phase load balance and voltage fluctuations across industrial motor control centers.

Tracks output parameters for diesel generators, power transformers, and switchgear units.

Transmits continuous electrical telemetry to building management systems via RS485 connection.

Detects dangerous phase loss, voltage unbalance, and frequency shifts before equipment fails.

Company Profile

SR Enterprises
SR Enterprises, Tamil Nadu
TruBasic
IndiaTamil Nadu, India
0
Manufacturer
Frequently Asked Questions
1
What parameters does a three-phase VAF meter measure?

It simultaneously measures line-to-line voltage, line-to-neutral voltage, phase current, and system operating frequency across all three phases.

2
Can this VAF meter be connected to external Current Transformers (CTs)?

Yes, it features fully programmable primary CT settings up to 6000A to match your specific current transformer ratio.

3
Does it fit into standard panel board cutouts?

Yes, it is built to fit standard DIN 96mm × 96mm square panel cutouts for quick flush-mount installation.

4
Can this meter communicate with automated PLC or SCADA systems?

Models equipped with an optional RS485 Modbus RTU serial interface can feed real-time monitoring data to automation systems.

5
Is this meter compatible with both 3-phase 3-wire and 3-phase 4-wire systems?

Yes, the wiring configuration can be selected during setup to support both 3-phase 3-wire and 3-phase 4-wire electrical networks.

Three Phase VAF Meter

This digital three-phase VAF meter is designed to measure voltage, current, and frequency simultaneously across three-phase electrical systems. Featuring bright LED displays and high accuracy, it delivers complete power diagnostics for industrial panels and distribution networks.

Min. Order Quantity: 1 piece

Shipping

Shipping fee and delivery date to be negotiated. Contact supplier now for more details.

SR Enterprises
TruBasic
IndiaTamil Nadu, India
Manufacturer

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