ST90

SEW® Standard Electric ST90 Series

3 1/2″ “Big Look ” Analog Panel Meters

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SEW ST90 Series, Analog Panel Meters

Characteristics :

  • Ideal for OEM applications
  • Case and Composition : Acrylic Resin front and bakelite case
  • Four Stud mounting.
  • Accuracy : 1.5 % of full scale
  • Pointer : black, sword style pointer
Product Description:
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A low Cost alternative for replacing GE “Big Look “style meters, ideal for OEM applications and a bonus of a 1.5 % DC and 2.5% AC Accuracy.These meters feature extra wide scales, big bold numerals above the scale and divisions for unobstructed reading.
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Specifications :

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Display
Scaling: Customized to any scaling desired, from linear to specialized Cos Ø, square root distributions, with color applications for visual emphasis and to any desired engineering units.
Specific accuracies
AC Basic Accuracy: ±3% of full scale, basic accuracy class.
DC Basic Accuracy: ±2% of full scale, basic accuracy class.
Rectifier Type Meters: ±3.5% of full scale basic accuracy class.
Repeatability: ±3% for Pivot and Jewell
Position of use: Vertical (scale) standardor to specified angle or position
Full scale deflection: 90 °
Movement: Pivot and Jewel
In this design the coil and pointer are
supported by polished steel pivots at each
end which fit into jewel bearings. Pivot and
jewel meters are recommended for high vibration
environments because of the
mechanism’s inherent stability and strength.
Accuracy and repeatability are almost equal
to the taut-band’s, and good performance
from the pivot and jewel construction is the
reason for its long popularity.
Case: Acrylic resin front and bakelite back
Mounting: 4 stud
OverShoot: 20% Maximum
Response time: Above 50µA-2.5 sec. max.below 50µA – 3.5 sec, max.
General:
Operating Temp.: 0 to 40°C (32 to 104°F)
Storage Temp: -10 to 50°C (14 to 50°F)
Relative Humidity: 95% (non condensing)
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