E-42 Order Online Over 100,000 Products Available! omega.com® E-42 Conductivity Transmitters The CDTX-90 Series Conductivity/ Resistivity Transmitter is designed for broad application and ease of setup and use. The unit can be used for conductance, resistance, or TDS signal transmission and display. Mounting can be accomplished in several options best tailored to your application requirements. Full microprocessor based electronics allow wide operating range, and long term signal stability due to the elimination or potentiometers, jumpers and dip switches. Specifications General Compatible Electrodes: OMEGA® CDCE-90-X Series Conductivity/ Resistivity Electrodes (see page E-45) Accuracy: ±2% of reading Enclosure: Rating: NEMA 4X (IP65) front Case: PBT Window: Polyurethane coated polycarbonate Keypad: Sealed 4-Key Silicone Rubber Weight: Approx. 325 g (12 oz) Display: Alphanumeric: 2 x 16 LCD Contrast: User selected, 5 levels Environmental Operating Temperature: -10 to 70°C (14 to 158°F) Storage Temperature: -15 to 80°C (5 to 176°F) Relative Humidity: 0 to 95% non-condensing Standards and Approvals: CSA, CE, UL listed and manufactured under ISO9001 Electrical Sensor Input Range: Conductance: 0.055 to 400,000 ìS Resistivity: 10 KÙ to 18.2MÙ TDS: 0.023 to 200,000 ppm Temperature: PT1000, -25 to 120°C (-13 to 248°F) Current Output: 4 to 20 mA, isolated, fully adjustable and reversible Power: 12 to 24 Vdc ±5% regulated Max Loop Impedance: 50Ù max @ 12 V, 325Ù max @ 18 V, 600Ù max @ 24 V Update Rate: 0.5 seconds Accuracy: ±0.03 mA @ 25°C, 24 V Relay Output: Mechanical SPDT Contacts: Hi, Lo, Pulse, Off Maximum Voltage Rating: 5 A @ 30 Vdc, or 5 A @ 250 Vac resistive load Hysteresis: User Adjustable Max 400 pulses/min Open Collector Output: Hi, Lo, Pulse, Off. Open collector, optically isolated, 50 mA max, sink, 30 Vdc max. pull-up voltage. Max 400 pulses/min CDTX-90 Series Starts at $548 Display in ìS, mS, kÙ, MÙ, ppm (TDS) Simulate Function Programmable Temperature Compensation Relay Options Dual Output Option Allows Temperature and Process Signal Transmission 2 x 16 Character Dot Matrix LCD Chemical Resistant Enclosure and Self-Healing Window Large Pushbuttons Clearly Marked Terminal Labels Applications RO/DI System Control Rinse Tank Control Cooling Tower, Scrubber or Blowdown Control Environmental Study (TDS) Desalination Monitor Water Quality Monitoring Leak Detection Chemical Concentration Shown larger than actual size. Electronics Only

E-43 U.S.A. and Canada For Sales & Service Installation The transmitter is available in a panel mount or a field version. Select the universal mount kit FP90UM to mount the transmitter on a surface near the sensor. 1. Panel Mount 2. Universal Mount All Panel mount transmitters CDTX-90-XP include a mounting bracket and gasket for a NEMA 4X (IP65) watertight panel installation. Panel mount transmitters fit into a standard 14 DIN panel cutout. The Universal Mount Kit FP90UM can be ordered separately and includes a conduit base, locking ring, and universal adapter for mounting the transmitter on...

EE--4444 Conductivity Cells for CDCN-91, CDTX-90 and CDCN-5800 Series 4.6 m (15') cable (standard) 147 (5.8) 86 (3.4) 20.3 (0.8) Standard ¾ NPT/316 SS fitting Optional 316 SS submersion adaptor fitting ¾ NPT thread 152 (6) ¾ NPT ½" 316 SS OPT 4.6 m (15') cable (standard) Reversible fitting assembly for submersion mounting 0.5 (13) CDCE-90-1 sensor tip CDCE-90-01 sensor tip 107 (4.2) 50 (2) 21 (0.8) 8 (0.3) 4.6 m (15') 203 (8.0) 89 (3.5) 20.3 (0.8) Reversible fitting assembly for submersion mounting ¾ NPT thread CDCE-90-10 Cell Constant: 10.0 Conductivity Range: 100 to 200,000 ìS Temperature Compensation:...

EE--4466 To Order (Specify Model Number) Model No. Price Description CDTX-90-1 $548 Conductivity/resistivity transmitter field mount with 4 to 20 mA and O.C. output* CDTX-90-2 642 Conductivity/resistivity transmitter field mount with 4 to 20 mA and 2 relays* CDTX-90-3 720 Conductivity/resistivity transmitter field mount with 4 to 20 mA and single input/dual output* CDTX-90-1P 548 Conductivity/resistivity transmitter panel mount with 4 to 20 mA and O.C. output CDTX-90-2P 642 Conductivity/resistivity transmitter panel mount with 4 to 20 mA and 2 relays CDTX-90-3P 720 Conductivity/resistivity transmitter...

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