CPK-1-2-3-6-7-9-12-VBA-VBE

Summary

Product identification

• Product line: Endress + Hauser Liquid Analysis
• Product designation: CPK 1/2/3/6/7/9, VBA, VBE
• Document title: TI 118C/07/en
• Document number: 50068526

Areas of application

These pH measuring cables and accessories are designed for use with pH and redox measurement systems, which require special handling due to the high impedance of pH electrodes (typically 100 MΩ to 800 MΩ). The entire measuring system, including cables, connectors, and junction boxes, must be suitable for this resistance range.

Benefits at a glance

• High measuring accuracy with insulation resistance > 100 TeraΩ/metre.
• Maximum reliability in industrial applications due to shielded cables for EMC interference protection.
• Industrial quality with mechanical stability and an integrated semiconductor layer to prevent contact and motion sensitivity.
• Versatile: black cables for non-Ex applications, blue cables for Ex applications.
• Waterproof connection (IP 68 / NEMA 6X) with TOP 68 connector.
• Simple field handling with pre-assembled measuring cables.
• High-quality junction boxes with high-impedance special terminals.

Technical data

General data

• Manufacturer: Endress+Hauser
• Continuous temperature range (standard / high temperature): –25 ... +80 °C / 0 ... 130 °C
• Cable sheath (standard / high temperature): PVC / TPE
• Cable colour (Non-Ex): grey or black
• Cable colour (Ex): blue
• Capacitance (coax): < 100 pF/m
• Insulation resistance (coax): > 10¹⁴ Ω/m
• Inner conductor / control lines: copper, tin-coated
• Insulation: PE/PVC

Product structure

Measuring cable CPK 2 (for Electrodes with GSA plug-in head)

• Cable length options: 5, 10, 15, 20, 30, 40 metres, or special length. Standard lengths have PVC sheath, max. 80 °C.
• Electrode connector options:
  • 0: KS3/5 for NSA/GSA/SSA plug-in heads
• Version options:
  • A: Standard application, colour black
  • Z: Ex application, colour blue

Measuring cable CPK 1

• Cable length options: 5, 10, 15, 20, 25, 30, 40 metres, or special length. Standard lengths have PVC sheath, max. 80 °C.
• Electrode connector options:
  • 0: KS3/5 for NSA/GSA/SSA plug-in heads
• Version options:
  • A: Standard application, colour black
  • Z: Ex application, colour blue

Measuring cable CPK 3

• Cable length options: 1.5, 3, 5, 10, 15, 20 metres, or special length. Standard lengths have PVC sheath, max. 80 °C.
• Connection options:
  • K: Without instrument connector
  • D: Via DIN coaxial connector
  • B: Via BNV connector
• Electrode connector options:
  • 0: KS3/5 for NSA/GSA/SSA plug-in heads

Measuring cable CPK 6 (for Electrodes with GSA plug-in head)

• Cable length options: 5, 10, 15 metres, or special length. Standard lengths have PVC sheath, max. 80 °C.
• Electrode connector options:
  • S: For double reference and 1 pH/redox electrode, Pt 100
  • D: For double reference and 2 pH/redox electrodes
  • A: 4-electrode connectors for special electrode configurations
• Version options:
  • A: Standard application, colour black
  • Z: Ex application, colour blue

Measuring cable CPK 7 (pH electrodes with TSA plug-in head)

• Cable length options: 5, 10, 15, 20, 25 metres (PVC sheath, max. 80 °C); selectable metre lengths (1–10 m) or feet lengths (3–300 ft) also available.
• Version options:
  • A: Standard application, colour black
  • Z: Ex application, colour blue

Measuring cable CPK 9 (pH electrodes with ESA / ESS plug-in head, high-temperature applications, IP 68 / NEMA 6X)

• Cable length options:
  • PVC sheath (max. 80 °C): 5 m, 10 m, 15 m, 20 m, 25 m, selectable metre lengths (5–100 m), selectable feet lengths (15–300 ft).
  • TPE sheath (max. 130 °C): 5 m, 10 m, 15 m, 20 m, 25 m, selectable metre lengths (5–100 m), selectable feet lengths (15–300 ft).
• Version options:
  • A: Standard applications: black sheath
  • Z: Ex-i application: blue sheath
• Assembly options:
  • 1: Cable end sleeves to transmitter
  • 9: Special version
• PM connection options:
  • A: PM cable line externally with flat connector
  • B: PM cable line internally (e.g. for CPF 91)
  • C: No PM cable line (no symmetrical measurement)

Measuring cable CPK 12 (for glass or IsFET electrodes TopHit CPS 401 with ESA / ESB plug-in head, IP 68 / NEMA 6X)

• Cable length options:
  • TPE sheath (max. 130 °C): 5 m, 10 m, 15 m, 20 m, selectable metre lengths (5–50 m), selectable feet lengths (16–160 ft).
• Version options:
  • A: Standard applications: black sheath
  • Z: Ex-i application: blue sheath
• Assembly options:
  • 1: Cable end sleeves to transmitter
• PM connection options:
  • A: PM cable line externally with flat connector

Accessories

Extension cables

• PMK: Special measuring cable with outer screen and special coaxial line. Order No. 50005277.
• DMK: Connecting measuring cable consists of coaxial lines. Order No. 50003864.
  • DMK blue for Ex applications. Order No. 50003866.
• CYK 71: Measuring cable consists of coaxial line and 4 auxiliary cores. Order No. 50085333.
  • Measuring cable for Ex applications. Order No. 50085673.
• MK: 2-core signal line with additional shield. Order No. 50000662.
• CYK 12: Measuring cable consisting of 1 coaxial line and 5 control lines. Order No. 51506598 (black).
  • blue, for Ex-applications. Order No. 51506616.

Connectors and junction boxes

• KS 3/5: Electrode connector for coax cable 3 and 5 mm (e.g. PMK, DMK).
• KS 0,75: Electrode connector for 2/3 auxiliary cores (e.g. for DMK).
• TOP 68: Electrode connector for electrodes with ESA/ESS/ESB plug-in head.
• BN elbow plug: Available.
• BNC elbow plug assembly: Available.
• Junction box VBA: IP 65, 10 high-impedance terminals.
• Junction box VBE: For connection of Ex zone 0 electrodes to DMK or PMK. Features 3 x Pg 7 cable glands.

Adaption cable

• Adaption cable CPK7-TOP 68: For pH/redox electrodes with TSA/TSS plug-in head for connection to TOP 68 cable. Order No. 51502138.

Supplementary documentation

• pH/redox electrodes Orbisint CPS 11/12/13 (TI 028C/07/en, Order No. 50054649)
• pH/redox electrodes Ceraliquid CPS 41/42/43 (TI 079C/07/en, Order No. 50059346)
• pH/redox electrode Orbisint CPS 71/72 (TI 245C/07/en, Order No. 51505837)
• IsFET-pH-Sensor TopHit CPS 401 (TI 283C/07/en, Order No. 51506685)

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Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

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