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U.S.A. and Canada
For Sales
& Service
Our Conductivity Instruments product line continues
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Conductivity or Resistivity Controller
CDCN441
$
925
⻬ Analyzer/Transmitter/Controller
⻬ Self-Guided Menu
⻬ Auto-Range Scales
⻬ Automatic Calibration and Check
⻬ Recognizes Standard and Cell
⻬ Automatic Temperature Compensation
⻬ On-Off/PWM Control
⻬ Programmable Transmitter Output
⻬ RS485 Output
The CDCN441 conductance/resistance analyzercontroller is designed for online monitoring of process
solutions and water applications. Applications include:
waste water treatment, power plants, thermo electric plants,
pharmaceutical, photographic industries and soft drinks
industries. The menus are self guiding with simple three
button programming. Available control outputs include ONOFF or pulse width modulation. The transmitter output is also
programmable from the keypad eliminating the need for
potentiometer or dip-switch settings. The calibration function
automatically recognizes the cell used and the buffer solution
resulting in a simple and straight forward system calibration.
Equipment is built with solid state technology, electronic
contacts and not electrical contacts, avoiding mechanical
movement and off course no sparks.
Specifications
General
Construction/Materials:
Case: Aluminum (SAE323)
Faceplate: ABS
Anti-Corrosion Treatment: Finished with electrostatic epoxy paint
Case Rating: NEMA 4 (IP68)
Power Consumption: 3.5 VA
Power: 90/240 Vac; 50/60Hz
LCD Readout: 2 lines x 16 characters
Reading Modes: Continuous, average or hold
Assembly in 51 mm (2") Tube or Flat Surface or Panel:
144 x 144 x 100 mm DIN (5.7 x 5.7 x 4")
Weight: 1.3 kg (2.8 lb)
RS485 Output: MODBUS
®
and proprietary
communication protocol
Analyzer
Conductivity Range: 1µS/cm to 2S/cm
Resistivity Range: 10 MΩ/cm to infinity
Resolution: 0.1 or 0.01
Automatic or Manual Temperature Compensation: 0 to 100°C
(32 to 212°F)
Temperature Compensation: NTC-R typical 5 Ω at 25°C (77°F)
Operating Temperature: 5 to 40°C (41 to 104°F)
Cell Constants Offered: K = 0.01/0.1/5/5/10
Transmitter
Analog Output: 4 to 20 mA (2), this output
can be programmed for transmission
Impedance: 600 Ω
Optical Galvanic Isolation: 2000 Vac
Controller Outputs: 2 N.O. (1A/240 Vac) on/off alarm or PWM;
4 to 20 mA for PID control or retransmission
Cells
CDE-440-001:
Range: 0.01 µS to 2mS, K = 0.01,
0 to 100°C (32 to 212°F), 10 kg/cm
2
Insertion Length: 54 mm (2.1")
Thread: 316 SS, 3⁄4 NPT
CDE-440-01:
Range: 0.1 µS to 20 mS, K = 0.1,
0 to 130°C (32 to 266°F), 10 kg/cm
2
Insertion Length: 42 mm (1.7")
Thread: 316 SS, 3⁄4 NPT
CDE-440-1:
Range: 0.1 µS to 100 mS, K = 1,
0 to 130°C (32 to 266°F), 10 kg/cm
2
,
Insertion Length: 60 mm (2.4")
Thread: 316 SS, 3⁄4 NPT
CDE-440-5:
Range: 1 µS to 150 mS, K = 5,
0 to 130°C (32 to 266°F), 10 kg/cm
2
,
Insertion Length: 60 mm (2.4")
Thread: 316 SS, 3⁄4 NPT (PVDF body)
CDE-440-01T:
Range: 0.1 µS to 20 mS, K = 0.1,
0 to 200°C (32 to 392°F), 10 kg/cm2,
Insertion Length: 90 mm (3.5")
Thread: 316 SS, 3⁄4 NPT
CDCN441, $925,
shown smaller
than actual size.
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To download information and to order Conductivity
Instrument products online, visit omega.com
Model No. Price Description
CDSA-10 $23 10 µS calibration solution 940 mL (1 qt)
CDSA-45 10 45 µS calibration solution 940 mL (1 qt)
CDSA-450 10 450 µS calibration solution 940 mL (1 qt)
CDSA-1500 10 1500 µS calibration solution 940 mL (1 qt)
CDSA-4500 10 4500 µS calibration solution 940 mL (1 qt)
CDSA-45000 10 45000 µS calibration solution 940 mL (1 qt)
ES-1512 140 Reference Book: Principles of Groundwater Engineering
Accessories
To Order
(Specify Model Number)
Model No. Price Description
CDCN441 $925 Conductivity/resistivity controller with relay and 4 to 20 mA outputs
CDE-440-001 440 Conductivity sensor, K = 0.01, 0.01 µS to 2 mS, 0 to 100°C (32 to 212°F)
CDE-440-01 440 Conductivity sensor, K = 0.1, 0.1 µS to 20 mS, 0 to 130°C (32 to 266°F)
CDE-440-1 500 Conductivity sensor, K = 1, 0.1 µS to 100 mS, 0 to 130°C (32 to 266°F)
CDE-440-5 480 Conductivity sensor, K = 5, 0.1 µS to 150 mS, 0 to 130°C (32 to 266°F)
CDE-440-01T 625 Conductivity sensor, K = 0.1 heavy duty, 0.1 µS to 20 mS, 0 to 200°C (32 to 392°F)
Comes complete with 316 SS hardware for 51 mm (2") tube installation and wall mount brackets and operator’s manual. Sensors sold separately.
Ordering Examples: CDCN441, conductivity/resistivity controller, $925.
CDE-440-5, sensor K = 5 (PVDF material), $480.
MOST POPULAR MODELS HIGHLIGHTED!
CDE-440-001,
$440, shown
smaller than
actual size.
CDE-440-01T, $625,
shown smaller than
actual size.
CDE-440-5, $480,
shown smaller
than actual size.
CDSA calibration solutions,
see accessories chart below.
Page 3
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