Integral Or Remote Mount Conductivity/Resistivity Transmitters

CDTX-2850

^€710,02 CDTX-2851

INVIA ORDINE

Compact Design
Two-Wire 4 to 20 mA Output
Automatic Test Solution Recognition
Applications
Water Treatment and Water Quality Monitoring
Reverse Osmosis
Deionization
Demineralizer, Regeneration and Rinse
Scrubber, Cooling Tower and Boiler Protection
Aquatic Animal Life Support Systems

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Descrizione

Electronics are available in various configurations for maximum installation flexibility. The universal-mount version is for pipe, wall, or tank mounting and uses the CDCE-90 Series conductivity/ resistivity sensor (sold separately). It is also available as a combined integral system configuration for in-line mounting and includes a conductivity electrode in a choice of 0.01, 0.1, 1.0, 10.0 or 20.0 cm–1 cell constants. The CDTX-2850 is ideal for applications with a conductivity range of 0.055 to 400,000 μS or a resistivity range of 18.2 MΩ to 10 kΩ. All CDTX-2850 units are built with NEMA 4X (IP65) enclosures which allow output wiring connections with long cable runs of up to 305 m (1000 feet). The two-wire 4 to 20 mA output has eight 4 to 20 mA output ranges for each electrode cell constant. Each range can be inverted and is field selectable. Standard calibration automatically recognizes conductivity test solution values for simple field calibration. A certification tool is available for validation of the sensor electronics according to USP requirements.

Specifications
Materials
NPT Mount: Junction box for integral mount PBT
Universal/Remote Mount: PBT, PVDF
Automatic Solution Recognition: Conductivity values 146.93 µS, 1408.8 µS, 12856 µS [@25°C (77°F)] (test solutions per ASTM D1125-95) 10 µS, 100 µS, 200 µS, 500 µS, 1000 µS, 5000 µS, 10,000 µS, 50,000 µS, 100,000 µS [@ 25°C (77°F)] (Standard test solutions)
Electrical
Power: 12 to 24 Vdc ±10%, regulated for 4 to 20 mA output (typically called “loop powered”)
Accuracy Conductivity: ±2% of reading
Resolution Conductivity: 0.1% of reading
Temperature (For Compensation Only): <0.2°C/°F
Update Rate Single Channel Models: <600 ms
Dual Channel Models: <1200 ms
Maximum Temperature/Pressure Rating
    Operating Temperature: -10 to 85°C (14 to 185°F)
    Storage Temperature: -20 to 85°C (-4 to 185°F)
    Relative Humidity: 0 to 95%, non-condensing
Enclosure: NEMA 4X (IP65)
Current Output
Field-Selectable Ranges
    Factory Set Span 4 to 20 mA:
    0.01 Cell: = 0 to 100 µS (Integral mount only)
    0.10 Cell: = 0 to 1000 µS
    1.0 Cell: = 0 to 10,000 µS
    10.0 Cell: = 0 to 200,000 µS
    20.0 Cell: (CDCE-90-20B, not for integral mount) = 0 to 400,000 µS
Maximum Loop Resistance: 50Ω at 12 Vdc, 325O at 18 Vdc, 600O at 24 Vdc
Accuracy: ±2% of output span
Resolution: 7 µA
Update Rate: <600 ms
Error Indication: 22 mA
Pure water compensation when using 0.01-cm cell and raw conductivity value <0.5 µS, the CDTX-2850 auto-switches to compensate for non-linear temperature effects found in this low conductivity (high resistivity) range.
Shipping Weight
    NPT Mount Junction Box: 1.75 lb (0.75 kg)
    Universal Mount: 1.75 lb (0.75 kg)
Standards and Approvals: Manufactured under ISO 9001 for quality and ISO 14001 for environmental management

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Descrizione

CDTX-2851

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CDTX-2850-IM

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CDTX-2850-RM

€529,62

Stock: 11 settimane

Remote mount conductivity transmitter, Cell Constant;CDCE-90 sensors sold separately

† Tutti gli importi indicati in EUR
Nota: Comes complete with operator’s manual (solutions sold separately, see last page).