Reduce Scrapping and Smelting, Promote Component Reuse   >   Electric Powered   >   Beckman 93500 laboratory potentiometric chart recorder

Beckman 93500 laboratory potentiometric chart recorder


Beckman Laboratory Instrumentation 93500 Laboratory Potentiometric Chart Recorder
Used, unit powers up unable to test further
Laboratory Potentiometric Recorder - Null balancing, portable recorder offering pushbutton control convenience. For monitoring and tracing continuous output signals from a wide variety of laboratory instruments. Beckman recorders are available with positive and negative polarity and for use with 50- or 60- cycle power. One version has linear presentation only, the other offers both linear and logarithmic readout.
Pan traverses full five-inch chart width in one second. Limit of error is one percent full scale and repeatability is 0.35%.
Highly accurate potentiometric measuring system incorporates photoelectric chopper and AC Servo amplifier with mercury reference cell for measuring slidewire.
Many variations of chart drive speed are available from selection of internally-mounted or external drive motor accessories. Built-in standard motor gives chart drive speed of 1-inch per minute. Other accessories and chart papers widely extend recorder usefulness.
Recorderer accommodates five-inch rectilinear coordinate strip charts, McBee Keysort-type charts, circular charts, and 8.5 by 11-inch single sheet charts.
* Span continuously adjustable from 10 to 100 mV full scale.
* Five-inch pen travel with 0.35% repeatability
* Linear presentation from measuring slidewire.
* Dimensions: 11 W x 14 D x 4 H



Beckman 93500 laboratory potentiometric chart recorder