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CHAPTER 3: PRODUCT USE
3.5 USING THE ISOLATED DIGITAL VOLTMETER TO INTEGRATE CUSTOM SENSORS
The unit has the ability to integrate with custom sensors via our Isolated Digital Voltmeter or 4-20mA Converter. For
integration with custom sensors, the unit text can be customized to meet your needs; this text is reflected on the
summary page of the web interface. All numbers are displayed in decimal format. The external sensor used should
have an output as a linearized DC voltage (integrate with Isolated Digital Voltmeter) or 4-20mA signal (use 4-20mA
Converter).
Display Units:
This field should be entered with an appropriate unit of the measured entity when the Isolated Digital Voltmeter
is used with the custom sensor. For example, this field might be entered with Pounds or Lbs, and then the Isolated
Digital Voltmeter is used with the custom pressure sensor or Volts for an absolute value of measured DC voltage.
Type of scale:
This field is used to select whether to display the current reading as an absolute value or a percentage.
Max scale of sensor in volts:
This field should be entered with the maximum value of the voltage that is input to the Isolated Digital Voltmeter.
For example, if the Isolated Digital Voltmeter is used to measure the voltage in a range of 0 to 50 volts, this field
should be filled in with 50. Or, if the Isolated Digital Voltmeter is used to integrate with the custom sensor, this field
should be set to the maximum output voltage of the custom sensor.
How many percent or how many unit (max scale):
The field name is changed accordingly to the selected type of scale (absolute value or percentage). When the type
of scale is set to Absolute, this field should be set to the maximum absolute value that can be measured by the DC
Voltage or the custom sensor. In the Isolated Digital Voltmeter case, the value in this field should be the same as that
in the "Max scale of sensor in volts" field.
Base scale of sensor in volts:
This field should be entered with the minimum value of the voltage that is input to the Isolated Digital Voltmeter. For
example, if the Isolated Digital Voltmeter is used to measure the voltage in a range of 0 to 50 volts, this field should
be filled in with 0. Or, if the Isolated Digital Voltmeter is used to integrate with the custom sensor, this field should be
set to the minimum output voltage of the custom sensor.
How many percent or how many unit (base scale):
The field name is changed accordingly to the selected type of scale (absolute value or percentage). When the type
of scale is set to Absolute, this field should be set to the minimum absolute value that can be measured by the DC
Voltage or the custom sensor. In the Isolated Digital Voltmeter case, the value in this field should be the same as that
in the "Base scale of sensor in volts" field.
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