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Dual Channel Polarographic Oxygen Amplifier
Instech's model 203 amplifier generates the potential that operates our
125/05 electrodes and also converts the nanoamp electrode current into
a voltage to measure pO 2. It contains two independent channels labeled
A and V (for arterial and venous), each with gain and zero offset controls.
A 31⁄2 digit LED display can be set with a selector switch to display
the A channel, the V channel, or the difference between the two. There
are three analog output jacks on the back of the amplifier one for the
A channel, one for the V channel, and one that delivers whatever channel
the selector switch is set to. These signals can be sent to the A/D board
of a computer or to a chart recorder.
U.S. Pricing
| Model |
Name |
Price |
| 203 |
Dual channel amplifier for 125/05 polarographic electrodes |
$1540 / each |
| S36S |
Electrode cable for Instech 203 amplifiers |
$52 / each |
| O36S |
Output cable for Instech 203 amplifiers |
$52 / each |
Download
 polarographic oxygen system information [PDF]
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