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Toroidal Conductivity System


Item# CDTX-45TC1

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $889.41
5-9 $853.83
10-24 $836.05
25-49 $800.47
50-99 $791.57
100+ $773.79

In stock

Limited Stock
Toroidal Conductivity System CDTX-45TC1 CDTX-45TC1
  • Loop-Powered, AC, or Battery Versions
  • Dual Alarm Relays/Analog Outputs
  • Large, 2-Line Display

CDTX-45TC1 Model Options

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Maximum Conductivity
Electrode Material
Accuracy Value
Supply Voltage

  • Accuracy Value Toroidal electrode
  • Display Type Large
  • Maximum Ambient Temperature 60 {C} (140 {F})
  • Minimum Ambient Temperature -20 {C} (-4 {F})
  • Minimum Conductivity 500 µS
  • Power Source 115/230 Vac ±10%
The CDTX-45T toroidal conductivity system is designed for online monitoring of chemically aggressive process solutions, water applications that coat or foul traditional sensors, and plating bath operations in which high current densities are present. The sensor consists of 2 metallic ribbon coils that are fixed in place by the sensor jacket material. The drive coil is used to induce a current in the process solution. The second sensing coil is used to measure the current in the process solution; the magnitude of this current is proportional to the conductivity of the process solution. Toroidal sensor is available in Noryl to ensure that sensor-wetted materials are chemically resistant to process chemicals. The sensor material is non-conductive, thereby isolating the sensor from electrical noise and ground loops that can influence the integrity of the measurement. This material also makes the sensor resistant to electrode coating, since most substances do not adhere to the sensor material. Sensor can be submersion mounted for easy installation in open tanks or pipe mounted in the optional 2" tee fitting, which is keyed to the sensor for proper alignment. Tee fitting material is polypropylene. For larger pipe diameters, the sensor can be insertion mounted through a 1 1/2 NPT ball valve for easy retraction.
Measuring Range:
    Main Input: 0 µS to 2000 mS, mg/L total dissolved solids; loop current 4 to 20 mA
    Sensor Temperature: -10 to 210ºC (14 to 410ºF)
    Main Parameter Ranges: 0 to 2000 µS, 0 to 2 mS, 0 to 20 mS, 0 to 200 mS,
    0 to 2000 mS, 0 to 2 S
Repeatability: 0.3% of span or 0.1 µS, whichever is greater
Sensitivity: 0.05% of span or 0.1 µS, whichever is greater
Non-Linearity: 0.3% of span or 0.1 µS, whichever is greater
Stability: 0.1% of span per 24 hr
Temperature Drift: Span or zero, 0.03% of span/ºC
Warm-Up Time: 7 s to rated performance
Response Time: 6 s to 90% of step input at lowest setting Max Sensor-to-Analyzer Distance: 61 m (200')

Sensor: Toroidal electrode
Wetted Materials: Noryl
Sensor Cable: 6.1 m (20') standard, maximum length 61 m (200')
Response Time: 2 s to 90% FS
Temperature Range: 0 to 105°C (32 to 221°F)
Pressure Limit: 150 psig
Process Connection: 3/4 MNPT rear thread, optional 2" keyed tee fitting
Temperature Element: Pt1000 RTD
Minimum Conductivity: 500 µS

    Materials: NEMA 4X (IP66) polycarbonate, stainless steel hardware,
    weatherproof and corrosion resistant
    Dimensions: 112 H x 112 W x 89 mm D (4.4 x 4.4 x 3.5")
Mounting Options: Wall, panel (115 x 115 mm) or pipe/handrail
Conduit Openings: 3 M16 openings; cord grips and conduit adaptors included
    Loop-Powered Transmitter: 0.45 kg (1 lb)
    Other Configurations: 0.68 kg (1.5 lb)
Display: Large, high-contrast, super-twist (STN) LCD 4-digit main display with sign, 19.1 mm (0.75") 7-segment characters; 12-digit alphanumeric second-line display, 7.6 mm (0.3") 5 x 7 dot matrix characters
Keypad: 4-key membrane type with tactile feedback, polycarbonate with UV coating, integral EMI/static shield and conductively coated window
Ambient Temperature:
    Operating: -20 to 60ºC (-4 to 140ºF)
    Storage: -30 to 70ºC (-22 to 158ºF)
Ambient Humidity: 0 to 95% RH, non-condensing
     Designed for hazardous and non-hazardous areas
EMI/RFI Influence: Designed to EN 61326-1
Output Isolation: 600 V galvanic isolation
Filter: Adjustable, 0 to 9.9 minutes additional damping to 90% step input
Temperature Input: Selectable Pt1000 or Pt100 RTD with automatic compensation
Please download specification page for complete list of available models.
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