Page 1
Conductivity Transmitters
CDTX-90 Series
Starts at
$
620
Electronics
Only
⻬ Display in µS, mS, kΩ, MΩ,
ppm (TDS)
⻬ Simulate Function
⻬ Programmable Temperature
Compensation
⻬ Relay Options
⻬ Dual Output Option Allows
Temperature and Process Signal
Transmission
⻬ 2 x 16 Character Dot Matrix LCD
⻬ Chemical Resistant Enclosure and
Self-Healing Window
⻬ Large Pushbuttons
⻬ Clearly Marked Terminal Labels
Applications
⻬ RO/DI System Control
⻬ Rinse Tank Control
⻬ Cooling Tower, Scrubber
or Blowdown Control
⻬ Environmental Study (TDS)
⻬ Desalination Monitor
⻬ Water Quality Monitoring
⻬ Leak Detection
⻬ Chemical Concentration
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-37)
Accuracy: ±2% of reading
Shown larger than actual size.
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 KΩ to 18.2MΩ
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:
50Ω max @ 12 V,
325Ω max @ 18 V,
600Ω 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
E-35
For Sales
& Service
U.S.A. and Canada
Page 2
omega.comomega.com
®
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
FP90UM
CDTX-90-XP
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 1⁄4 DIN panel
cutout.
2. Universal Mount
Kit
CDTX-90-X
The Universal Mount Kit FP90UM can be ordered separately
and includes a conduit base, locking ring, and universal
adapter for mounting the transmitter on a pipe, wall, or other
stationary surface.
Order Online
Over 100,000 Products Available!
E-36
Page 3
Conductivity Cells for CDCN-91, CDTX-90
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
and CDCN-5800 Series
CDCE-90-001, CDCE-90-01,
CDCE-90-1
Cell:
CDCE-90-001: 0.01
CDCE-90-01: 0.1
CDCE-90-1: 1.0
Conductivity Range:
CDCE-90-001: 0.010 to 100 µS
(10 KΩ to 100 MΩ)
CDCE-90-01: 1 to 1000 µS
CDCE-90-1: 10 to 10,000 µS
Temperature Compensation: Pt1000
Wetted Materials:
O-Rings: EPR
Insulator Material: PTFE
Electrodes: 316 SS
Standard Fitting: Polypropylene
Max. Pressure:
6.9 bar (100 psi)
Max. Temperature:
100°C (212°F)
Optional Fitting:
316 SS 1/2 NPT
Max Pressure:
13.8 bar (200 psi)
Max Temperature:
120°C (248°F)
CDCE-90-10, $550
(left), CDCE-90-20
E-37
(right), $670,
shown smaller
than actual size.
CDCE-90-10
Cell Constant: 10.0
Conductivity Range: 100 to 200,000 µS
Temperature Compensation: Pt1000
O-Ring: EPR
Insulator Material: CPVC
Electrodes: 316 SS
Fitting Material: 316 SS
Maximum Pressure/Temperature:
100 psig @ 95°C (203°F)
Dimensions:
mm (inches)
CDCE-90-001,
$320.
Dimensions:
mm (inches)
For Sales
& Service
All shown
smaller than
actual size.
CDCE-90-01,
$320.
CDCE-90-1,
$320.
Dimensions:
mm (inches)
CDCE-90-20
Cell Constant: 20.0
Conductivity Range: 200 to 400,000 µS
Temperature Compensation: Pt1000
O-Ring: EPR
Insulator Material: PTFE
Electrodes: 316 SS
Fitting Material: 316 SS
Maximum Pressure/ Temperature:
100 psig @ 150°C (302°F)
U.S.A. and Canada
Page 4
omega.comomega.com
®
CDCE-90S-001, CDCE-90S-01,
CDCE-90S-01
sensor tip
CDCE-90S-1
sensor tip
4.6 m (15')
cable
(standard)
50
(2.0)
152
(6.0)
126
(5.0)
50
(2.0)
13
(0.5)
21
(0.8)
8
(0.3)
CDCE-90S-1
Cell:
CDCE-90S-001: 0.01
CDCE-90S-01: 0.1
CDCE-90S-1: 1.0
Conductivity Range:
CDCE-90S-001: 0.010 to 100 µS
(10 KΩ to 100 MΩ)
CDCE-90S-01: 1 to 1000 µS
CDCE-90S-1: 10 to 10,000 µS
Tri-GripTMSanitary Fitting Size: 1, 11/2, 2"
Temperature Compensation: Pt1000
Wetted Materials:
O-Ring: EPR
Insulator Material: PTFE
Electrodes: 316 SS or titanium
Tri-Grip
Maximum Pressure: 6.9 bar (100 psi)
Maximum Temperature: 120°C (248°F)
TM
Sanitary Fitting: 316 SS or titanium
Dimensions:
mm (inches)
CDCE-90S-001-S15,
$650, shown smaller
than actual size.
To Order (Specify Model Number)
Model No. Price Fitting Cell Constant Material
CDCE-90-001* $320
CDCE-90-01* 320
CDCE-90-1* 320
CDCE-90-10* 550
CDCE-90-20 670
CDCE-90S-001-S15 650 1.5" Tri-Grip
CDCE-90S-1-S15 650 1.5" Tri-Grip
CDCE-90S-001-S20 770 2.0" Tri-Grip
CDCE-90S-01-S20 770 2.0" Tri-Grip
CDCE-90S-1-S20 770 2.0" Tri-Grip
CDCE-90S-001-T15 910 1.5" Tri-Grip
CDCE-90S-01-T15 910 1.5" Tri-Grip
CDCE-90S-1-T15 910 1.5" Tri-Grip
CDCE-90S-001-T20 1030 2.0" Tri-Grip
CDCE-90S-01-T20 1030 2.0" Tri-Grip
CDCE-90S-1-T20 1030 2.0" Tri-Grip
For extended cable add “-100” to model number, consult Sales for price.
*
Order Online
Over 100,000 Products Available!
Note: Dimension shown for 1 and 1
Dimension for 2" Tri-Grip
TM
sanitary fitting is 64 mm (2.5")
1
" Tri-Grip
⁄
2
TM
sanitary fittings.
MOST POPULAR MODELS HIGHLIGHTED!
3
⁄4 NPT 0.01 316 SS
3
⁄4 NPT 0.1 316 SS
3
⁄4 NPT 1 316 SS
3
⁄4 NPT 10 316 SS
3
⁄4 NPT 20 316 SS
TM
sanitary 0.01 316 SS
TM
sanitary 1 316 SS
TM
sanitary 0.01 316 SS
TM
sanitary 0.1 316 SS
TM
sanitary 1 316 SS
TM
sanitary 0.01 Titanium
TM
sanitary 0.1 Titanium
TM
sanitary 1 Titanium
TM
sanitary 0.01 Titanium
TM
sanitary 0.1 Titanium
TM
sanitary 1 Titanium
E-38
Page 5
Dimensions
Dimensions: mm (inches)
Panel Mount
96 (3.8)
96 (3.8)
41
(1.6 )
Optional
Rear Cover
(2.2)
97
(3.8)
56
Panel Output
92 x 92
(+0.8, -0)
3.6 x 3.6
(+0.031, -0)
Universal Mount
96 (3.8)
96
(3.8)
106
(4.18)
82
(3.23)
All panel mount transmitters CDTX-90P include a mounting bracket and gasket for a NEMA 4X (IP65) watertight panel installation.
Panel mount transmitters fit into a standard 1⁄4 DIN panel cutout. The Universal Mount Kit PF90UM can be ordered separately and includes
a conduit base, locking ring, and universal adapter for mounting the transmitter on a pipe wall or other stationary surface.
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model Number)
Model No. Price Description
CDTX-90-1 $620 Conductivity/resistivity transmitter field mount with 4 to 20 mA and O.C. output*
CDTX-90-2 725 Conductivity/resistivity transmitter field mount with 4 to 20 mA and 2 relays*
CDTX-90-3 810 Conductivity/resistivity transmitter field mount with 4 to 20 mA and single input/dual output*
CDTX-90-1P 620 Conductivity/resistivity transmitter panel mount with 4 to 20 mA and O.C. output
CDTX-90-2P 725 Conductivity/resistivity transmitter panel mount with 4 to 20 mA and 2 relays
CDTX-90-3P 810 Conductivity/resistivity transmitter panel mount with 4 to 20 mA and single input/dual output
Comes complete with operator’s manual.
Field mount transmitters require FP90UM universal mounting kit.
*
Ordering Example: CDTX-90-1P conductivity transmitter panel mount, CDCE-90-1 conductivity cell, and U24Y101 power supply, $620 + 320 + 169 = $1109.
Additional cells available, see pages E-37 and E-38.
Accessories
Model No. Price Description
FP90UM $53 Universal mounting kit
FP90-4X 48 NEMA 4X (IP65) cover (panel mount)
FPM-5000-LTCK 43 Liquid-tight kit for rear cover
U24Y101 169 1000 mA power supply
For Sales
E-39
& Service
U.S.A. and Canada
Page 6
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EPG05
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