Overview
The Omega CDTX-90-1P is a microprocessor-based conductivity and resistivity transmitter engineered for industrial liquid analysis. This panel mount unit combines rugged construction with flexible measurement capabilities, supporting conductance, resistance, total dissolved solids (TDS), and temperature monitoring in a single integrated platform.
Key Features
- Dual measurement capability: conductivity/resistivity with automatic ranging
- 4-20 mA analog output with open collector relay control
- Wide measurement ranges: 0.055–400,000 µS conductance; 10 kΩ–18.2 MΩ resistivity; 0.023–200,000 ppm TDS
- Sealed 4-button silicone rubber keypad for harsh environments
- NEMA 4X (IP65) rated enclosure for indoor/outdoor installation
- Alphanumeric display with real-time parameter viewing
- Selectable temperature compensation and calibration modes
Technical Specifications
- Measurement Ranges: Conductance 0.055–400,000 µS; Resistivity 10 kΩ–18.2 MΩ; TDS 0.023–200,000 ppm
- Temperature Input: PT1000 RTD, -25 to 120°C (-13 to 248°F)
- Accuracy: ±2% of reading
- Output Signal: 4-20 mA DC; Open collector relay contact
- Enclosure Rating: NEMA 4X (IP65), PBT case with polyurethane-coated polycarbonate window
- Weight: Approximately 325 g (12 oz)
- Display: Alphanumeric LCD
- Keypad: Sealed 4-button silicone rubber
- Certifications: CSA, CE, UL listed; ISO 9001 manufactured
- Compatible Electrodes: Omega CDCE-90-X Series conductivity/resistivity probes
- Operating Temperature: -25 to 120°C with PT1000 sensor
Typical Applications
- Water quality and purity monitoring in municipal and industrial systems
- Process control in chemical manufacturing and water treatment plants
- Cooling tower conductivity management and corrosion control
- Laboratory analysis and calibration verification
- Aquaculture and environmental monitoring
- Boiler water and deionized water testing
Compatibility & Replacements
Compatible With
- Omega CDCE-90 Series conductivity/resistivity electrodes and probes
- Standard PT1000 temperature sensors
- 4-20 mA analog data acquisition systems and PLCs
- Building automation and SCADA systems with analog input modules
- Industrial control networks supporting analog signal integration
Replaces / Drop-In Replacement For
- Other Omega CDTX-90-1P units (direct equivalent)
- Verify specific model compatibility with your system integrator before ordering
Works With
- Standard 4-20 mA analog measurement interfaces
- Industrial PLC and DCS systems with 4-20 mA input cards
- Data logging and monitoring software compatible with analog signals
- Temperature compensation via PT1000 RTD inputs
