Multispan AV-V Series Digital Voltmeter | 30–500V AC | 3-Digit LED Display | Panel Mount

🔹 Product Summary:

The Multispan AV-V Series (models AV-11V, AV-21V, AV-31V, AV-41V) are high-precision, compact digital voltmeters built for reliable voltage monitoring in electrical panels. With a bright 3-digit LED display, a wide 30–500V AC input range, and Class 0.5 accuracy, these instruments are ideal for power distribution boards, generators, and switchgear applications. Available in multiple cutout sizes, they are a go-to choice for space-conscious OEMs and panel builders.

🔹 Key Features:

• Voltage Measurement Range: 30V–500V AC

• Display: 3-digit, 0.56" 7-segment red LED

• Accuracy: Class 0.5

• Sampling Rate: 1500 samples/sec

• Response Time: 1.4 seconds

• Auxiliary Supply: 100–270V AC/DC

• Low Power Consumption:

  • AV-11V / AV-21V: 3VA

  • AV-31V / AV-41V: 2VA

• Front Protection: IP65 (dust and splash resistant)

• Sizes:

  • AV-11V: 101x101x43 mm (Cutout: 92x92 mm)

  • AV-21V: 75x75x36 mm (Cutout: 68x68 mm)

  • AV-31V: 51.5x98x26 mm (Cutout: 46x92 mm)

  • AV-41V: 52x52x45 mm (Cutout: 45x45 mm)

• Build Material: ABS body with PC front

• Mounting: Panel mount with rear clamps

🔹 Applications:

• Electrical distribution panels

• Generator and UPS systems

• HVAC and utility cabinets

• Switchgear & transformer panels

• OEM panel manufacturing

🔹 Product Benefits:

• Easy-to-read display for fast voltage checks

• Compact form factor for tight panel spaces

• Class 0.5 accuracy ensures dependable readings

• Works on wide auxiliary supply (AC/DC)

• IP65 front ensures protection against dust and splashes

• Low VA burden — energy efficient

❓ FAQs:

Q1. What voltage does this meter read?
It measures AC voltage from 30V to 500V.

Q2. Is the display clear in bright environments?
Yes, the bright red 3-digit LED is highly visible.

Q3. Can I use this in 230V control panels?
Yes, it’s perfect for standard 230V AC applications.

Q4. Are the panel sizes different for each model?
Yes. The AV-11V, 21V, 31V, and 41V differ in cutout and panel dimensions — functionality is the same.

Q5. Does it support DC power for supply?
Yes, it supports 100–270V AC/DC as auxiliary input.