GW Instek GVT 427 B AC Millivolt Meter
The GW Instek GVT 427 B AC Millivolt Meter represents a compact analog AC millivoltmeter, perfectly suited for low-level voltage measurements that exceed the capabilities of standard multimeters. It maintains a sensitivity of 300uV over a full scale of 100V. The GVT-427 offers dual-channel measurement functionality, allowing for simultaneous or separate measurements. Its voltage scale is divided into 12 ranges, easily accessible via a large rotary selector. With a wide measurement range spanning from 10Hz to 1MHz and a voltage range from -70dB to +40dB, it provides ample versatility for a variety of applications.
Features:
- 300 V Full-scale sensitivity
- Measures frequency from 10Hz ~ 1MHz
- Measures from -70dB ~ +40dB in 12 ranges
- Dual-Channel (GVT-427B)
Specification:
| Model | GW Instek GVT 427 B |
|---|---|
| Operating Input Voltage | AC 115V/230V ±10%, 50/60Hz |
| Voltage measuring Range | 300μV ~ 100V in 12 ranges |
| Decibel Measuring Range | -70dB ~ -40dB in 12 ranges |
| Accuracy | ±3% of full scale |
| Operating Mode | GVT-427B : Ch1 and Ch2 separately |
| Frequency Response | 20Hz ~ 200kHz ±3%, 10Hz ~ 1MHz ±10% (Reference 1kHz) |
| Impedance | 10MΩ, approx. 40pF |
| Output Level | Approx. 0.1Vrms at full scale |
| Distortion | < 2% |
Package Includes:
1 x GW Instek GVT 427 B AC Millivolt Meter
GW Instek GVT 427 B AC Millivolt Meter Overview
The GW Instek GVT 427 B AC Millivolt Meter is a compact analog instrument designed for precise low-level AC voltage measurements beyond the capabilities of standard multimeters. It offers 300 µV sensitivity over a 100 V full-scale range, dual-channel inputs, and a wide frequency response from 10 Hz to 1 MHz, making it ideal for audio, RF and general electronics testing.
Key Features of GW Instek GVT 427 B AC Millivolt Meter
- 300 µV sensitivity with up to 100 V full-scale range
- Frequency measurement from 10 Hz to 1 MHz
- 12 selectable voltage ranges covering –70 dB to +40 dB
- Dual-channel inputs for simultaneous or comparative measurements
- Large rotary selector for quick and accurate range switching
- Fast shipping from Zbotic to anywhere in India
Applications and Use Cases
- Calibrating and measuring audio signal levels in amplifiers and mixers
- Testing RF transmitter and receiver output levels
- Characterizing filter and equalizer frequency responses
- Verifying signal integrity in communication equipment
- Laboratory experiments and educational demonstrations of low-level AC voltages
How to Use GW Instek GVT 427 B AC Millivolt Meter
Connect the test leads to the dual-channel inputs and power on the meter. Use the rotary selector to choose the desired dB or voltage range based on the expected signal level. Apply your AC source and read the millivolt or dB value directly on the analog scale. To measure frequency, switch to frequency mode and observe the reading within the 10 Hz to 1 MHz window.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
What sensitivity and full-scale voltage does the GVT 427 B support?
The meter provides 300 µV sensitivity on its lowest range and supports a full-scale measurement up to 100 V.
Can I compare two signals at the same time?
Yes. The GVT 427 B features dual-channel inputs, allowing you to measure two AC signals simultaneously or perform differential comparisons.
How do I switch between voltage and frequency measurements?
Use the front-panel function selector to toggle between dB/voltage ranges and the frequency mode, which covers 10 Hz to 1 MHz directly on the analog dial.
Technical Specifications
| Brand | GW Instek |
|---|---|
| SKU | AI1958 |
| Weight | 3.1 kg |
| Availability | Out of Stock |
Applications & Use Cases
The GW Instek GVT 427 B AC Millivolt Meter is a versatile other measuring instrument used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
- Integrating into a custom electronics project
- Learning and experimenting with circuits
- Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine GW Instek product sourced from authorized channels
Vijay Batra (verified owner) –
This GW Instek GVT 427 B AC is precise and easy to use. Great for troubleshooting circuits.
Neeraj Shah (verified owner) –
This GW Instek GVT 427 B AC is precise and easy to use. Great for troubleshooting circuits.
Pallavi Bajaj (verified owner) –
Superb GW Instek GVT 427 B AC! Display is clear and readings are stable. Worth the investment.
Daksh Malhotra –
Nice GW Instek GVT 427 B AC. Readings are consistent. Probe quality could be better.
Raghav Dhillon –
Love this GW Instek GVT 427 B AC. Makes debugging so much easier. Highly recommended for engineers.
Zubin Mehta (verified owner) –
Superb GW Instek GVT 427 B AC! Display is clear and readings are stable. Worth the investment.
Prateek Khanna (verified owner) –
Love this GW Instek GVT 427 B AC. Makes debugging so much easier. Highly recommended for engineers.
Sandhya Singh –
This GW Instek GVT 427 B AC is precise and easy to use. Great for troubleshooting circuits.
Anand Shah (verified owner) –
Perfect GW Instek GVT 427 B AC for both students and professionals. Accuracy is impressive.
Aarav Singh (verified owner) –
Great quality GW Instek GVT 427 B AC. Calibration holds well. Using it daily in my workshop.
Nikhil Nair (verified owner) –
Great quality GW Instek GVT 427 B AC. Calibration holds well. Using it daily in my workshop.
Gauri Chopra –
This GW Instek GVT 427 B AC is precise and easy to use. Great for troubleshooting circuits.
Aarav Kulkarni (verified owner) –
Great quality GW Instek GVT 427 B AC. Calibration holds well. Using it daily in my workshop.