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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