Equipment information

Keithley 440 Digital multimeter
Manufacturer:
Keithley
Model: 440
Date: 1974
Category: Measurement instruments
Group: Digital multimeter
Description: Digital Picoammeter
Information:
                                    The Model 440 is a sensitive digital picoammeter with
nine ranges from 100 picoamperes to 10 milliamperes
full scale plus 100% overranging.

FEATURES:

Stability- Zero drift with time is less than 1 digit
 per day; drift with temperature is less than one digit
 per °C, making frequent adjustment unnecessary.

Overload Protection. A transient overload of 1000 volts
 or a continuous overload of 600 volts at up to 20 mA
 will not damage the instrument.

Damping. A front panel DAMPING control provides additional
 damping of noisy signals on the 100 nanoampere to
 100-picoampere ranges.

Digital Display. The digital display provides 3 digits
 with 0,1 picoampere resolution.

Variable Display Rate. A front panel DISPLAY RATE control
 adjusts from 24 readings/sec. to 2 readings/minute
 to accommodate the mode of data retrieval.

Optional BCD Output and Control Lines. Model 4401 Printer
 Output Cards are available as an accessory for factory
 or user installation. This option provides BCD outputs
 for significant digits, range , polarity, zero check,
 and overrange. Various remote control lines are also
 provided. The Output Buffer cards are easily inserted
 into prewired, prenmounted, card-edge connectors
 on the Model 440 chassis.

These manuals are available for the above equipment:

Keithley -- 440 -- Service and User Manual
File name: Keithley-3951-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 77
Size: 2.92 Mbytes (3066283 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date: 1974
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
MD5: f28d53aa5b2d22d124973f5d13249d5c
Downloads: 138 since 13 January 2013
Information:
Includes Changes Notice
Keithley-3951-Manual-Page-1-Picture
Start Free Download


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