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Discussion of benefits and limitations of lab work with Benchtop DMMs
'Benchtop' DMMs are big, stout machines that are awesome for use on a bench where you have plenty of room. They are intended to remain stationary on the workbench and to provide consistently accurate measurements. A benchtop DMM has more ranges and functions than a handheld DMM and is convenient for complex measuring situations.
But Benchtop DMMs are not portable (this is certainly the con). They are large, require a stable platform, and are not appropriate for on site field measurements. In addition, Benchtop DMMs are more expensive than handheld DMMs, which is not ideal in smaller laboratories that may be constrained by budgets.
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Compact, lightweight design of these handheld meters is ideal for use in the field or in the lab. They are portable, lightweight and suitable to carry wherever you go. Handheld DMMs are generally less expensive than Benchtop DMMs, which makes them a cost effective solution for scientists and engineers that routinely have to make measurements in the field.
Although they are not as accurate as Benchtop DMM, the accuracy is acceptable for most applications. They are a versatile and convenient choice for laboratory professionals who need to measure in multiple locations outside the lab.
Accuracy and precision comparison for Benchtop and Handheld DMMs
In terms of accuracy and precision, Benchtop DMMs are better than Handheld DMMs. The benchtop type models are made for high accuracy measurements and are frequently used at research laboratories where accuracy is a must. They are more stable and have less error than Handheld DMMs so they are used in experiments where accurate data is necessary.
1- Inadequate but a viable option On a second note, hand-held DMMs are still relevant as well for many applications in which ultra-high precision is not necessary. While the accuracy may not quite be up to that of the Benchtop models, Handheld DMMs continue to provide better than acceptable readings for general purpose field work.
Why to use Benchtop DMMs in a Lab Environment
In the controlled laboratory situations, Benchtop DMMs are best suited because of their accuracy and stability. BenchtopRobust benchtop designs suitable for high precision and repeatable measurements in the lab are used for industrial and R activities. The immobility of Benchtop DMMs also means they are less likely to be upset during experiments, providing more accurate test data.
The portability of Handheld HANNA DMMs for measurements on the move
In contrast, Handheld DMMs are more flexible versatile instruments and provide for the portability outside the lab. Handheld models are a great choice for those who travel to job sites. Portable DMMs enable measurements to be made in multiple environments without the requirement of a bench, which is useful when portability is necessary for the measurement task.
