Acromet WG-602 Manual
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Contents
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33Although the flow meter is connected, it will not operate until it is set-up in the analyzer menu.4) Press Menu until “Flow Low Limit” appears and enter the low flow value (the flow value which willcause an alarm and will disable any direct chemical dosing).5) Press Menu again and “K-factor” appears. Enter the k-factor for the flow meter being used (should beon paperwork with flow meter).6) Press Up + Down arrows together and then press Menu until “Flow Rate m3/hr” appears and selectthe flow units of m3/hr or GPM.4-20 Output Flow MeterAny flow meter with a 4-20mA output can be connected to the analyzer’s internal 4-20 input module1) Install the flow meter as per the manufacturer directions.2) Pass the flow sensor cable through an open glad on the bottom of the analyzer.3) Connect the 4-20mA output wires from the flow meter to the middle 4-20mA Input connection on theinput module.Although the flow meter is connected, it will not operate until it is set-up in the analyzer menu.4) Press Menu until “Flow Low Limit” appears and enter the low flow value (the flow value which willcause an alarm and will disable any direct chemical dosing).5) Press Up + Down arrows together and then press Menu until “Flow Rate m3/hr” appears and selectthe flow units of m3/hr or GPM.6) Press Menu until “Max flow Range” appears and enter the maximum flow rate (flow rate at 20mAoutput). The minimum flow rate (flow rate at 4mA output) is assumed to be zero.The flow meter should now be active. Confirm that the flow rate appears on the LCD display. If it is notactive, perform a system reset.5.4.2 Routine Maintenance and TroubleshootingFollow manufacture’s recommendations for maintenance procedures and any troubleshooting issues.5.5 Communication Options5.5.1 External 4 to 20mA OutputsOverviewThe 4 to 20 mA output provides a connection of the WaterGuard water quality analyzer to any externalmonitoring or control system. For each parameter, an output signal is transmitted and the strength of thesignal (in mA) can be simply correlated to the actual parameter value. Likewise, specific alarminformation may also be transmitted to alert personnel of a problem not related to the output parameters. |
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