MODEL 140 ULTRA-RELIABLE 15-BIT A/D for PC/XT/AT

Specification Sheet

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Manual: .rtf .pdf .zip

Sample applications

Source code
(with sample applications)

TYPE

Dual slope integration with automatic zero and automatic polarity control

DIFFERENTIAL INPUT RANGE

+4.75 to -5 volts

RESOLUTION

0.25 millivolts

LINEARITY

0.005% of full scale

ACCURACY

0.025% of full scale at normal operating temperatures

REPRODUCIBILITY

+/-1 count typical

INPUT IMPEDANCE

1000 megohms typical

CONVERSION TIME

134 milliseconds

ANALOG INPUTS

4 fully differential channels protected up to 200 volts

DIGITAL INPUT

single-bit, contact closure or 5-volt logic compatible

DIGITAL OUTPUTS

4 latched optically isolated lines protected to 200 volts

TYPICAL POWER CONSUMPTION

+5V . . . . . . 160 milliamps
+12V . . . . . . 17 milliamps
-12V . . . . . . 15 milliamps

SIZE

3.9 x 6.75 inches 0.625 inches maximum height

PRICE

$265.00

OPTIONAL SOFTWARE

LOG140 data logging software with QB 4.5 source code is free of charge.

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