Instruction d'utilisation Omega Vehicle Security PHCN-410

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OMEGA... Your Source f
i&trol
Process Measurement and
PHCN-4 10
DATA ACQUISITION pH Controller
TEMPERATURE
@’ Data Acquisition and Engineering
B Thermocouple, RTD & Thermistor
Software
Probes, Connectors, Panels 81 Assemblies
B Communications-Based Acquisition
B Wire: Thermocouple, RTD &Thermistor
Systems
m Calibrators & Ice Point References
B Recorders, Controllers & Process Monitors 0 Plug-in Cards for Apple, IBM &
Compatibles
B Infrared Pyrometers
0 Datalogging Systems
PRESSURE/STRAIN FORCE 0

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pH Controller Operator ’s Manual Servicing USA and Canada: Call OMEGA Toll Free USA Canada One Omega Drive, Box 4047 976 Bergar Stamford, CT 06907-0047 USA LavaI (Quebec) H7L 5Al PAGE SECTION Telephone: (203) 359-1660 Telephone: (514) 856-6928 FAX: (203) 359-7700 FAX: (514) 8566886 Sales Service: l-800-826-6342 / l-800-TC-OMEGASM Section 1 Getting Started Customer Service: l-800-622-2378 / l-BOO-622-BESTS” l- l the Controller.. ......................................................... 1 .I &pa

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pH Controller Operator ’s Manual . . 1 .l Unpacking the Controller Section 4 Operating the Controller . . 4.1 Entering PHCN-410 Hi/Lo Setpoints .................................... Remove the Packing List and verify that you have received all 4-l equipment. If you have questions about the shipment, please call 4.1.1 To Enter the Hi Setpoint Value .................................. 4-l the OMEGA Customer Service Department at l-800-622-2378 or 4.1.2 To Enter the Lo Setpoint Value.. ..............

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Getting Started 1.2 Controller Description 1.3 Keypad Description The OMEGA” PHCN-410 pH controller is a microprocessor-based The PHCN-410 features four keys for entering all set-up pH controller with automatic temperature compensation, a 4-digit parameters and performing calibration. (Refer to Figure l-l). LED display, two SPDT mechanical relays, and a fixed 4-20 mA output. Select setpoint reby modes (Lo and Hi) SElITEMP CAl/ENIER Initiate calibmtion procedure using standard pH buffers 7.00,4.0

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Installing the Controller . 1.4 Front Panel Displays 2.1 Mounting the Controller Refer to Figures 2-l and 2-2 for panel cutout and meter dimensions. Controller in pH mode P” CAL pH calibration mode; display shows 7.OO,4.01, and 10.01; CAL annunciator off when calibration complete Hi High alarm relay activated lo Low alone relay activated 90 mm +O.l 1.5 General Information c & We recommend that you bench-test all equipment prior to installation. This requires wiring the equipment and checking rel

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Installing the Controller Installing the Controller 2.2.2 Making Input Connections 1. Connect the pH combination electrode to the BNC connector on the bock of the unit. The PHCN-410 features Automatic Temperoture Compensotion; however, the temperature value is not 2. If using Automatic Temperoture Compensotion (ATC), connect the displayed. 100 ohm Pt RTD leads of the temperature probe to Terminals 1 ond 2 (no polarity - see Figure 2-3). 2.2.3 Making Output Connections The 100 ohm Pt RTD temperat

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Calibrating the pH Electrode Installing the Controller Notes 3.1 Calibrating the pH Electrode Calibration of the electrode to the pH meter is essential for accurate pH measurement. It is also necessary to recalibrate the electrode periodically. The frequency of recalibration is system dependent. The pH calibration procedure is as follows: 1. Connect the combinotion pH electrode ond temperoture compensation probe (if using ATC) to the meter (refer to Figure 2-3). 2. Apply power to the instrument

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Operating the Controller Calibrating the pH Electrode 4. Remove the pH electrode from the pH buffer 7.00. Rinse the electrode with distilled water ond place the electrode in stondord 4.1 Entering PHCN-410 Hi/Lo Setpoints pH buffer 4.01 or 10.01. Press the CAL Key. 4.1. 1 To Enter the Hi Setpoint Value: At this time the “CAL” annunciator light will appear. When the Press the SET/TEMP keypad, until the Hi annunciator is lit on the 1. light goes off, the slope is calibrated. front ponel. 2. Use the

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Notes Notes

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