Keithley - 701 - Sonstiges
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Gerät:
701
Datum:
1960
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The Model 701 Electronic Relay is a sensitive direct current voltage discriminator which actuates an Electro-magnetic relay when a predetermined voltage level is exceeded. Its action may be made either locking or non-locking and may be wired so that it is failsafe for a signal vhich exceeds the trip point or for a signal vhich decreases below the trip point,
The Electronic Relay features a variable "Trip Level" from 0,2 to 10 millivolts with an input, impedance of 1 megohm. The trip level is adjustable by means of a calibrated dial on the front panel.
The instrument is normally furnished as a voltage actuated device but can be used to control currents down to 10-⁸ amperes by shunting an appropriate resistor across the input.
The Model 701 differs from meter type relays in that it employs a chopper and an amplifying circuit to control to relay. It therefore offers considerably higher sensitivity, more rugged construction, and reliable non-locking as well as locking operation. It is fail-safe in that either chopper or tube failure will create the alarm condition, On either locking or non-locking operation the 701 is chatter-free, The unit may be mounted in the Model 7011 cabinet for convenient portability.
Reparatur und Bedienungsanleitung
Dokumenttyp:
Reparatur und Bedienungsanleitung
Seitenanzahl:
14
Größe:
432,5 KB
Sprache:
Englisch
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Dokument-ID:
Datum:
Januar 1960
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Gescanntes Dokument, teilweise schwer oder teilweise nicht zu lesen.
Upload Datum:
24. Juli 2020
MD5:
05862a42-0252-e1f1-190f-057ba86765fd
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