Conductivity Transmitters

CDTX-90 Series

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•	Display in µS, mS, kohm, Mohm, 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
View related products - Conductivity Instrumentation

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
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
Electrical
Sensor Input Range: Conductance: 0.055 to 400,000 µS Resistivity: 10 Kohm to 18.2Mohm 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: 50ohm max @ 12 V, 325ohm max @ 18 V, 600ohm 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.
Please download the full specifications below under "Related Links".

To Order (Specify Model Number)

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Most Popular Models Highlighted!

Part Number	Availability	Price	Description	Qty.

Transmitters

CDTX-90-1		$620.00	Conductivity/Resistivity Transmitter Fieldmount with O.C. Output*	qty.

CDTX-90-2		$725.00	Conductivity/Resistivity Transmitter Fieldmount with 2 Relays*	qty.

CDTX-90-3		$810.00	Conductivity/Resistivity Transmitter Fieldmount with Single Input/Dual Output*	qty.


Transmitters for Panel Mount

CDTX-90-1P		$620.00	Conductivity/Resistivity Transmitter Panel Mount with O.C. Output	qty.

CDTX-90-2P		$725.00	Conductivity/Resistivity Transmitter Panel Mount with 2 Relays	qty.

CDTX-90-3P		$810.00	Conductivity/Resistivity Transmitter Panel Mount with Single Input/Dual Output	qty.


Accessories

FP90UM		$53.00	Universal Mounting Kit	qty.

FP90-4X		$48.00	NEMA-4X Cover (Panel Mount)	qty.

FPM-5000-LTCK		$43.00	Liquid-tight kit for rear cover	qty.

FPM-5000-MB		$33.00	Mounting bracket (panel mount units)	qty.

PSU-93		$40.00	Unregulated power supply	qty.

U24Y175		$169.00	24 Vdc, 175 mA Power Supply	qty.


3/4" Cells

CDCE-90-001		$320.00	Conductivity Cell 0.1 to 100 µS, Constant 0.01	qty.

CDCE-90-01		$320.00	Conductivity Cell 1 to 1000 µS, Constant 0.1	qty.

CDCE-90-1		$320.00	Conductivity Cell 10 to 10,000 µS, Constant 1.0	qty.

CDCE-90-10		$550.00	Conductivity Cell 100 to 200,000 µS, Constant 10.0	qty.

CDCE-90-20		$670.00	Conductivity Cell 200 to 400,000 µS, Constant 20.0	qty.


316SS Cells 1.5" Tri-Grip™ Sanitary Fitting

CDCE-90S-001-S15	9 Weeks	$650.00	Conductivity Cell 0.1 to 100 µS, Constant 0.01	qty.

CDCE-90S-1-S15	9 Weeks	$650.00	Conductivity Cell 10 to 10,000 µS, Constant 1.0	qty.


316SS Cells 2.0" Tri-Grip™ Sanitary Fitting

CDCE-90S-001-S20		Consult sales	Conductivity Cell 0.1 to 100 µS, Constant 0.01	qty.

CDCE-90S-01-S20	9 Weeks	$770.00	Conductivity Cell 1 to 1000 µS, Constant 0.1	qty.

CDCE-90S-1-S20	9 Weeks	$770.00	Conductivity Cell 10 to 10,000 µS, Constant 1.0	qty.


Titanium Cells 1.5" Tri-Grip™ Sanitary Fitting

CDCE-90S-001-T15		$910.00	Conductivity Cell 0.1 to 100 µS, Constant 0.01	qty.

CDCE-90S-01-T15		Consult sales	Conductivity Cell 1 to 1000 µS, Constant 0.1	qty.

CDCE-90S-1-T15		Consult sales	Conductivity Cell 10 to 10,000 µS, Constant 1.0	qty.


Titanium Cells 2.0" Tri-Grip™ Sanitary Fitting

CDCE-90S-001-T20		Consult sales	Conductivity Cell 0.1 to 100 µS, Constant 0.01	qty.

CDCE-90S-01-T20		Consult sales	Conductivity Cell 1 to 1000 µS, Constant 0.1	qty.

CDCE-90S-1-T20		Consult sales	Conductivity Cell 10 to 10,000 µS, Constant 1.0	qty.


Conductivity Solutions

CDSA-450	1 Week	$10.00	450 µmho/cm conductivity solution	qty.

CDSA-1500		$10.00	1500 µmho/cm conductivity solution	qty.

CDSA-4500		$10.00	4500 µmho/cm conductivity solution	qty.

† All dollar amounts on this site are shown in US currency.

Note: CDTX-90-X comes complete with operator's manual.

CDTX-90-XP comes complete with operator's manual, mounting bracket, and panel gasket.

* Field Mount Transmitters Require FP90UM Universal Mounting Kit. The Universal Mount Kit FP90UM is ordered separately and includes a conduit base, locking ring, and universal adapter for mounting the transmitter on a pipe wall or other stationary surface.

Panel mount transmitters fit into a standard 1/4 DIN panel cutout.

Ordering Example: (1) CDTX-90-2P Conductivity/Resistivity Transmitter Panel Mount with 2 Relays, $725.00, plus (1) CDCE-90-1 Conductivity Cell 3/4 " NPT 10 to 10,000 µS Constant 1.0, $320.00, , $725.00 + 320.00 = $1,045.00