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Dorrough 280 - Page 8

Dorrough 280
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6 Introduction
Accuracy (both scales)
Worst case error: +1.4% to -0.8% of full scale. Typical: better than 0.35%
of full scale error.
Peak Hold Functions
Normal (3-Second Peak Hold), Indefinite Peak Hold, or no Peak Hold.
Overrange Indication
Top/rightmost 3 LEDs change color to red while tracking the program level
peaks when the overrange trigger point is reached. The trigger point is
jumper selectable between 1-count over (factory default), or 4-counts over
the maximum input level.
Electrical Connections
All signal, power, and peak hold functions are made to the unit through an
eight-pin Euroconnector. Electrical connections are made through screw
terminals in the connector.
Power Requirements
7 VDC at approximately 600 mA.
Dimensions
Bezel: 1.45” x 5.00”.
Mounting
Fits standard 1.45” console opening (minimum 5.0” height and 5.5” depth).
Bezel supplied.
Weight
Approximately 1 pound.
Options
– Rack mount adapter for one to three units (model 280 only).
– 40 dB or 60 dB scale overlay.
Accessories Supplied
– 120VAC or 220VAC power adapter
– Peak Hold Toggle Switch (3-position) with cable and plug
Mounting bezel
– Technical Instruction Manual