Aquametrix 2200R ORP Analyzer/Controller User Manual Manual de usuario descargar pdf (Pagina 10)

Model 2200R Page 8

4.0 Description of Functions

4.1 Overview

4.1.1 The Model 2200R is a microprocessor operated ORP analyzer designed for

industrial applications. It is compatible with a wide range of AquaMetrix ORP

probes and offers several measurement ranges. The software in the unit makes the

instrument very easy to operate and maintain.

4.1.2 The outputs include voltage-free relay contacts and industry standard analog

transmission signals. Three programmable relays are provided for process control

and alarm. The status of each relay is indicated on the front panel by an LED. The

analog output signals transmit low power signals to peripherals such as data

recorders and PLCs.

4.1.3 The software is designed for ease of operation. It uses a simple menu with all items

indicated on the panel. The user interface consists of six buttons on the front panel.

The buttons are scanned and responded continuously. In addition, an extensive

system of checking values and parameters is performed by the software. All of the

operating parameters are stored in non-volatile memory, without the need of a

battery.

4.1.4 The Model 2200R operates like a normal analog converter with a number of

additional functions made possible by the microprocessor in the instrument.

Some of these are:

• Recall and easy adjustment of relay and output parameters

• Push button calibration

• A HOLD function which freezes outputs when in menu mode

• Continuous checking of the probe during measurement

• Continuous self-check and watch-dog timer to ensure correct system operation

• Simulated input for testing

• Password protection of stored values

• Temperature Output

• Cycling feature for Control Relays A and B

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Aquametrix 2200R ORP Analyzer/Controller User Manual Manual de usuario Pagina 10