Dissolved Oxygen Controller
Appendix
Teledyne Analytical Instruments
53
Appendix
A.1 Specifications
Packaging:
NEMA-4X weatherproof enclosure
suitable for general purpose application
Power Requirements:
115/220 VAC or optionally 24 VDC 0.25A
Display:
Menu driven Supertwist LCD.
Simultaneously displays process ID,
Process value in Eng. units, % output and
temp in °C or °F.
Sensor:
Application specific
Input Measurement Parameters:
Conductivity, Resistivity, pH, Specific
Ion, Dissolved Oxygen, ORP.
Also, external events and analog inputs
can be integrated logically or operational
modifiers.
Outputs:
4-20 mA, HART or RS232 up to a
maximum of 6 analog outputs.
Response Time:
90% of step change in 1 second
Accuracy:
±0.10% of full scale
Linearity:
±0.05% of full scale
Sensitivity:
±0.05%
Stability:
±0.2% per year @ 0 to 70°C
Repeatability:
±0.1%
Input/Output Isolation:
Max 300V between process input and any
4-20mA output
