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Jumo digiLine CR HT70 - Head Transmitter

Manufacturer:
Head transmitter with conductive four-electrode conductivity sensor type 4P
Part Number: CR HT70
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Accurate and reliable measurements of conductivity


JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.


The JUMO digiLine CR HT70 allows sensors for electrolytic conductivity to be connected to a measuring and/or automation device. It is available with 2 different interface types for transferring measured values or switching signals, depending on the requirement:

  • RS485 interface for the JUMO digiLine protocol and Modbus
  • IO-Link interface for connecting to modern automation systems


The versions with RS485 interface are used in JUMO digiLine operation with Plug & Play support on the JUMO AQUIS touch S/P or in Modus operation on the JUMO mTRON T. Several sensors continuously transmit their measurement data over the bus to a master. The variant with IO-Link interface is an important supplement via which JUMO meets its customers' requirements in the modern world of automation technology.

Technical Information

Measuring principle Conductive
Sensor connection Compact design type
Sensor material Stainless steel 1.4435 and PEEK
Measuring range 50 µS/cm to 2000 mS/cm
Temperature compensation Linear, ASTM, USP <645>
Temperature Max. 120 °C (temporarily 140 °C)
Pressure Max. 16 bar
Interfaces JUMO digiLine or IO-Link
Areas of application Rinsing processes in the food industry, beverage technology, pharmaceutical technology, and biotechnology (e.g. CIP and SIP processes, backwashing processes for ion exchangers, phase separation); pharmaceuticals; chemistry; food technology; bottle cleaning plants; process water

Accurate and reliable measurements of conductivity


JUMO digiLine CR now enables conductive conductivity sensors to be connected to the intelligent, bus-compatible JUMO digiLine system. System integration can now also take place via an IO-Link interface. The sensor is firmly connected to the head transmitter.


The JUMO digiLine CR HT70 allows sensors for electrolytic conductivity to be connected to a measuring and/or automation device. It is available with 2 different interface types for transferring measured values or switching signals, depending on the requirement:

  • RS485 interface for the JUMO digiLine protocol and Modbus
  • IO-Link interface for connecting to modern automation systems


The versions with RS485 interface are used in JUMO digiLine operation with Plug & Play support on the JUMO AQUIS touch S/P or in Modus operation on the JUMO mTRON T. Several sensors continuously transmit their measurement data over the bus to a master. The variant with IO-Link interface is an important supplement via which JUMO meets its customers' requirements in the modern world of automation technology.