Analog vs. Digital Panel Meters
Analog meters are available in a variety of accuracy levels, for +/- 1% to +/- 20%. They are most often used when relative change is the critical factor of readout. They are often used on panels where multiple meters are present, and quick reference is a must. Digital panel meters are the appropriate choice for an application where exact measurement is the required functionality.
Jewell Instruments' S series of analog and digital panel meters promote reliability, quality workmanship and competitive pricing for a variety of market applications. Combining unmatched performance with a high degree of dependability, Jewell Instruments has risen to be a leader in the panel meter industry.
Analog Meter Movements
Taut-Band suspension is a standout for high torque, low internal friction, great accuracy and excellent tracking and repeatability. Its core-magnet construction and wrap-around powdered-iron pole piece provide inherent ruggedness and exceptional self-shielding. Recommended for rugged environments when high shock loads are the norm.
Pivot & Jewel suspension is a standout for high torque, low internal friction, great accuracy and excellent tracking and repeatability. Its core-magnet construction and wrap-around powdered-iron pole piece provide inherent ruggedness and exceptional self-shielding. Recommended for rugged environments when vibration is the common.
Moving Magnet suspension with a permanent coil and a moving magnet is a much more cost-effective solution than a traditional d'Arsonval movement. With an accuracy level of 5% it is a cost effective trade-off when indication and not pinpoint accuracy is the meter's functional requirement.
Analog AC Meters
Jewell Instruments AC meters are available in either rectifier type or iron-vane version.
Rectifier Type: Standard movement for alternating current (AC).
Iron-vane: movements are compact pivot and jewel suspension. They have the advantage of insensitivity to input distortion making them the appropriate choice for applications encountering environmental vibration.
Terminals / Mounting
Stud Mounting: ANSI standards guiding the number of studs per unit size is:
.. 1" meters -- 2 studs
. .2" meters -- 3 studs
. .3" meters -- 3 studs
. .4" meters -- 4 studs
. .Sizes 1" to 3" are available in 4 stud configurations as well.
Quick-connect electrical terminals
Terminals are 0.50" long and are located on the back of the case, alongside the barrel. The terminals are brass .110"x 0.2." in section. Longer terminals of 1.20" are also available. Many applications require terminal location on the rear of the barrel that necessitates a longer barrel. A terminal configuration lends itself well to soldering.
Many options are available for our meters; they are almost infinitely customizable. Please call one of our experienced Applications Specialists for additional help and a detailed Specifications Sheet at 800-638-3771.
Panel Meter Glossary |
