Keithley 244 Netzteil
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Modell:
244
Datum:
1977
Kategorie:
Gruppe:
Beschreibung:
HIGH VOLTAGE SUPPLY
Information
GENERAL. The model 244 is a negative-polarity
high-voltage supply that provides accurate, stable
outpote from -200 to -2200 volts d-c at up to 10 ,,$.
"l~Xi"l"Ul.
1-2. FEATURES.
a. In-line Calibrated Dials.- Two dials set the
output voltage in 200 and ZO-volt steps. Trim Control
permits interpolation between ZO-volt setting, with
100 millivolt resolution.
b. Overload Protection.- Repeated or continuous
overloads will not damage the instr,m,ent. Protection
circuit limits the oucput current to less than 13
milliamperes with automatic recovery when overload is
removed.
c. Stability.- Solid-state design, stable range
resistors, and selected zener diode provide voltage
stability of +0.005% for B-hour periods after onehour
warm-up.
d. Model 2441 Overload Protection Option.- A,,
optional protection circuit is available (on special
order) which can be used to limit the current of the
model 244 when monitored by e Keithley picoammeter
such es the Model 414A.
Dokumenttyp:
Service- und Bedienungsanleitung
Seiten:
36
Größe:
1.71 Mbytes (1792262 Bytes)
Sprache:
english
Revision:
Fourth Printing
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Datum:
Qualität:
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2012 05 27
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Information
SPECIFIC.4TIONS ... iv
1. GENERAL DESCRIPTION. ... 1
2. OPERATION. ... 4
3. CIRCUIT DESCRIPTION. ... 6
4. Accessories ... 8
5. REPLACEABLE PARTS. ... 13
6. CALIBRATION ... 19
SCHEMATICS ... 25