AtlasScientific Gravity Analog isolator User Guide
- June 6, 2024
- AtlasScientific
Table of Contents
V 1.2
Revised 10/20
Gravity™ Analog isolator
Written by Jordan Press Designed by Noah Press
This is an evolving document, check back for updates.
Gravity dimensions
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Current consumption
23mA
5V| 15.7mA
3.3V| | 5V| 3.3V
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Gravity™ Analog pH| 26mA| 18.7mA
Gravity ™ Analog ORP| 26mA| 18.7mA
Gravity™ Analog D.O.| 26mA| 18.7mA
Connection pins
The Gravity™Analog Isolator mates with Atlas Scientific Gravity™Analog Sensors
/ Meters through their 3 pin headers.
Wiring diagram
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Analog isolation
Isolating an analog signal is a challenging task, there is no single component
that can do this. The Gravity™ Analog Isolator uses three components to
achieve this, a voltage isolator, a PWM generator, and an Opto-isolator. The
Voltage Isolator is needed to supply the Gravity™sensor. The PWM generator
converts an analog signal to a square wave, which can then pass through the
Opto-isolator.
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