Bench / Free-Standing Digital Voltmeters
Last Updated: April 1, 2025
Description
Bench or free-standing digital voltmeters are electronic instruments designed to measure electrical voltage. They are capable of measuring both alternating current (AC) and direct current (DC) voltages. These devices typically display readings in a digital format, often with a range of three to seven digits, providing precise voltage measurements.
Working Principle
Digital voltmeters operate by converting the analog voltage signal into a digital format through an analog-to-digital converter (ADC). This conversion allows for precise and accurate voltage readings. The digital display provides a clear and easy-to-read output, which is less prone to human error compared to analog meters. Digital voltmeters are useful because they offer high accuracy and precision, making them ideal for applications where exact voltage measurements are critical.
Applications
Digital voltmeters are used in a variety of applications. They are commonly employed in laboratories and industrial settings for testing and troubleshooting electrical circuits. Specific examples include monitoring the voltage levels in power supply units, testing electronic components such as transistors and diodes, and measuring the output of resistance temperature detectors (RTDs) and thermocouples.
Advantages over other Materials - Ceramics, Glasses, Refractories, and Cements
Digital voltmeters, being electronic devices, do not directly compare to materials like ceramics, glasses, refractories, and cements. However, in the context of measurement tools, digital voltmeters offer advantages such as higher accuracy and precision compared to analog devices, which may use materials like glass for their displays. Digital voltmeters also provide a more robust and reliable performance in various environmental conditions compared to some traditional materials.
Limitations
One limitation of digital voltmeters is their dependency on a power source, which can be a constraint in situations where power availability is limited. Additionally, while they offer high precision, digital voltmeters can be more expensive than analog alternatives, which might be a consideration for budget-conscious users.
Considerations
When selecting a bench or free-standing digital voltmeter, several factors should be considered. Initial costs can vary significantly depending on the features and accuracy required. Operating expenses are generally low, but users should consider the cost of calibration and potential repairs. Durability is typically high, but the device's accuracy can degrade over time without proper maintenance. Replacement and maintenance costs should also be factored in, as regular calibration is necessary to ensure continued precision and reliability.
from Lake Shore Cryotronics, Inc.
An innovative architecture for coordinating low-level measurements from DC to 100 kHz The Lake Shore MeasureReady ™ M81-SSM (Synchronous Source and Measure) system provides a confident and straightforward approach for advanced measurement applications. The M81 is designed to eliminate the... [See More]
- Form Factor: Bench top
- Measurement Type: DC
from RS Components, Ltd.
RSCAL(1233219) RSPro IDM201N Multimeter [See More]
- Form Factor: Bench top
- AC Voltage: 600
- Measurement Type: AC; DC
- Standards and Certifications: RoHS
from RS Components, Ltd.
UKAS(1233219) RSPro IDM201N Multimeter [See More]
- Form Factor: Bench top
- AC Voltage: 600
- Measurement Type: AC; DC
- Standards and Certifications: RoHS
from RS Components, Ltd.
Dual measure multimeter,USB [See More]
- Form Factor: Bench top
- DC Voltage: 1000
- Measurement Type: AC; DC
- AC Voltage: 750
from RS Components, Ltd.
Dual measure multimeter,USB host [See More]
- Form Factor: Bench top
- DC Voltage: 1000
- Measurement Type: AC; DC
- AC Voltage: 750
from RS Components, Ltd.
120000 count dual measurement multimeter [See More]
- Form Factor: Bench top
- DC Voltage: 1000
- Measurement Type: AC; DC
- AC Voltage: 750
from RS Components, Ltd.
RSCAL(1233535) Dual measure DMM,USB [See More]
- Form Factor: Bench top
- AC Voltage: 750
- Measurement Type: AC; DC
- Special Measurement Types: Diode test; Temperature
from RS Components, Ltd.
UKAS(1233535) Dual measure DMM,USB [See More]
- Form Factor: Bench top
- AC Voltage: 750
- Measurement Type: AC; DC
- Special Measurement Types: Diode test; Temperature
from RS Components, Ltd.
RSCAL(1233536) Dual measure DMM,USB host [See More]
- Form Factor: Bench top
- AC Voltage: 750
- Measurement Type: AC; DC
- Special Measurement Types: Continuity Check; Diode test; Temperature
from RS Components, Ltd.
UKAS(1233536) Dual measure DMM,USB host [See More]
- Form Factor: Bench top
- AC Voltage: 750
- Measurement Type: AC; DC
- Special Measurement Types: Continuity Check; Diode test; Temperature
from RS Components, Ltd.
Dual display digital desktop multimeter [See More]
- Form Factor: Bench top
- DC Voltage: 1000
- Measurement Type: AC; DC
- AC Voltage: 750
from RS Components, Ltd.
Dual display desktop DMM,USB to GPIB IF [See More]
- Form Factor: Bench top
- DC Voltage: 1000
- Measurement Type: AC; DC
- AC Voltage: 750
from RS Components, Ltd.
RSCAL(1236465) DD desktop DMM [See More]
- Form Factor: Bench top
- AC Voltage: 750
- Measurement Type: AC; DC
- Special Measurement Types: Continuity Check; Diode test; Temperature
from RS Components, Ltd.
UKAS(1236465) DD desktop DMM [See More]
- Form Factor: Bench top
- AC Voltage: 750
- Measurement Type: AC; DC
- Special Measurement Types: Continuity Check; Diode test; Temperature
from RS Components, Ltd.
RSCAL(1236466) DD desktop DMM,GPIB [See More]
- Form Factor: Bench top
- AC Voltage: 750
- Measurement Type: AC; DC
- Special Measurement Types: Continuity Check; Diode test; Temperature
from RS Components, Ltd.
UKAS(1236466) DD desktop DMM,GPIB [See More]
- Form Factor: Bench top
- AC Voltage: 750
- Measurement Type: AC; DC
- Special Measurement Types: Continuity Check; Diode test; Temperature
from RS Components, Ltd.
Bench digital multimeter,dual display [See More]
- Form Factor: Bench top
- DC Voltage: 1000
- Measurement Type: AC; DC
- AC Voltage: 1000
from RS Components, Ltd.
Bench digital multimeter,dual display [See More]
- Form Factor: Bench top
- DC Voltage: 1000
- Measurement Type: AC; DC
- AC Voltage: 1000
from RS Components, Ltd.
RSCAL(1238853) Bench DMM dual display [See More]
- Form Factor: Bench top
- AC Voltage: 1000
- Measurement Type: AC; DC
- Special Measurement Types: Temperature
from Vitrek Corporation
The Vitrek 4700 Precision High Voltage Meter offers the highest level of measurement accuracy, yet with its color touch screen – is surprisingly easy to use. Vitrek leverages DSP technology to provide outstanding AC &DC voltage measurement accuracy, stability, repeatability and resolution. [See More]
- Form Factor: Bench top
- Phase: Single Phase (optional feature); Three Phase (optional feature)
- Measurement Type: AC; DC; AC / DC
- Display Digits: 5 Digits; Plus a 1/2 digit
from Kikusui America, Inc.
The 149-10A is a digital voltmeter that can measure high voltages up to a ±10kV AC and DC at high accuracy. Its high input impedance (1000M ohm) make it suitable for measurement of high impedance voltage circuits. Since it has a high accuracy despite its small size and light weight, it can also... [See More]
- Form Factor: Bench top
- Display Digits: 4 Digits; Plus a 1/2 digit
- Measurement Type: AC / DC
- DC Voltage: 0.5000 to 10000
from Tektronix, Inc.
Two options for ultra-low resistance measurements. When connected, the Model 2182A and Model 6220 or 6221 can be operated like a single instrument. The 2182A/622X combination is ideal for resistance measurements, pulsed I-V measurements, and differential conductance measurements, providing... [See More]
- Form Factor: Bench top
- Display Digits: 7 or more digits
- Measurement Type: DC
- DC Voltage: 0.0100 to 100
from Boonton Electronics Corporation
The 4530 series RF Peak Power Meter can make Peak, CW Power and RF Voltage measurements at high speed from 10 Hz to 40 GHz. Features: Frequency Range: 10 Hz to 40 GHz. Dynamic Range: Peak Power >60 dB CW Power -90 dB. Synchronous/Asynchronous Triggering. Dual-channel statistical measurements... [See More]
- Form Factor: Bench top
- Bandwidth: 5.00E7 to 4.00E10
- Display Digits: 7 or more digits
- Max Channels: 2
from Boonton Electronics Corporation
Boonton ’s versatile 4541 (1 Ch) and 4542 (2 Ch) combined Peak / Average Power and Voltage meters are leading edge instruments for most accurate RF measurements. Features like high dynamic range, rise time of less than 7ns and an effective time resolution of 200 ps provide the greatest detail... [See More]
- Form Factor: Bench top
- Bandwidth: 9900 to 4.00E10
- Display Digits: 7 or more digits
- Max Channels: 2
from Boonton Electronics Corporation
The 9240 series is the latest addition to Boonton ’s popular 9200 series of RF voltmeters. It combines accuracy, smart probes, and operator features that have never before been available in its price range. Features: 10 Hz to 1.2 GHz measurement range. Dual-channel and differential voltage... [See More]
- Form Factor: Bench top
- Bandwidth: 10000 to 1.20E9
- Display Digits: 7 or more digits
- Max Channels: 2