Руководство по эксплуатации Omega Engineering CDE-45P

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Table of Contents PART 1 - INTRODUCTION ............................................................................................................................... 3 1.1 General ................................................................................................................................................... 3 1.2 Sensor Features ..................................................................................................................

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Omega CDE-45P Conductivity Sensor Part 1– Introduction Part 1 - Introduction 1.1 General The Model CDE-45P Conductivity Sensor measures the conductivity of aqueous solutions in industrial and municipal process applications. It is designed to perform in the harshest of environments. All seals are dual o-ring using multiple sealing materials. The sensor is designed for use with the Omega CDTX-45 Monitor/Analyzer. 1.2 Sensor Features • 4-Electrode measurement system

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Omega CDE-45P Conductivity Sensor Part 1– Introduction 1.3 Sensor Specifications (CDE-45P) Measuring Range 0.000 to 2.000 S/cm Wetted Materials Titanium, PEEK, FKM, EPR (316SS when sensor is submersion mounted) Temperature Compensation Pt1000 RTD Sensor Cable 6 Conductor plus 2 shields, Temperature Pressure Range The choice of sensor material/ mounting option and the hardware used to mount the sensor will determine the temperature and pressure ratings. Please cons

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OMEGA CDE-45P Conductivity Sensor Part 2– Installation Part 2 – Installation 2.1 General The CDE-45P Conductivity Sensor is designed for industrial and municipal process applications. Mounting options include flow-through, submersion, insertion (special hardware required), or integral mount to the CDTX-45 Conductivity Monitor/Analyzer. The sensor-to-analyzer distance must not exceed 60 feet (18.2 meters). Calibrate the sensor before placing it into the proces

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OMEGA CDE-45P Conductivity Sensor Part 2– Installation SENSOR SIZE A B 2.75 1.98 1-1/2” (70.0) (50.4) 3.50 2.50 2” (88.9) (63.5) Figure 2-1 CDE-45P Sensor Types O&M Manual - 6 -

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OMEGA CDE-45P Conductivity Sensor Part 2– Installation 2.2 Electrical The Model CDE-45P sensor comes standard with 15 feet of 6 conductor double shielded cable. The cable is permanently attached to the sensor, and a PEEK cordgrip is used to seal around the cable. Nevertheless, the cable should always be kept as clean and dry as possible. DANGER: DO NOT connect sensor cable to power lines. Serious injury may result. Take care to route sensor cable away from AC power

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OMEGA CDE-45P Conductivity Sensor Part 2– Installation Figure 2-3 Wiring Diagram, CDE-45P Sensor and CDTX-45 Monitor/Analyzer Notes: 1. Voltage between Terminals 11 and 12 MUST be between 16 and 35 VDC. 2. Earth ground into Terminal 14 is STRONGLY recommended. This connection can greatly improve stability in electrically noisy environments. O&M Manual - 8 -

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Omega CDE-45P Conductivity Sensor Part 3 –Maintenance & Troubleshooting Part 3 – Sensor Mounting 3.1 Cleaning the Sensor Keep the sensor as clean as possible for optimum measurement accuracy. Frequency of cleaning depends upon the process solution. Note: Mechanical cleaning of the electrode surfaces may harm measurement quality if not performed with care. Do NOT use wire brushes, sandpaper and the like to clean any conductivity electrode. Wipe the measuring

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Omega CDE-45P Conductivity Sensor Part 3 –Maintenance & Troubleshooting 3.2 Troubleshooting The first step in resolving any measurement problem is to determine whether the trouble lies in the sensor or the transmitter. Since measurement problems can often be traced to surface deposits coating the electrodes, cleaning the sensor using the method outlined in Section 3.1 should always be the first step in any troubleshooting. If the sensor cannot be calibrated after cleaning, per

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Omega CDE-45P Conductivity Sensor Part 3 –Maintenance & Troubleshooting ºC RTD Ω 20 1078 25 1097 30 1117 35 1136 O&M Manual - 11 -

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