4000 SC Specific Conductivity Analyzer

Ranges from 0-9.999µS/cm to 0-999.9mS/cm

Streamline Water and Steam Monitoring with Waltron’s All-New Conductivity Analyzers

Waltron’s 4000 SC Specific Conductivity Analyzer is designed for definitive water and steam quality monitoring. This high-precision transmitter boasts a broad specific conductivity range from ultra-pure to general-purpose water, ensuring its versatility across various industries. Featuring an intuitive interface with a clear LCD backlit display, installation and operation are a breeze, streamlining your monitoring process without the need for extensive training. Encased in a robust 1/2-DIN IP66 NEMA 4X enclosure, the 4000 SC analyzer is engineered for durability and flexibility, with advanced temperature compensation and multiple outputs to meet the most stringent monitoring requirements.


  • Single-Channel Specific Conductivity for use with a wide range of contacting (specific) conductivity sensors

  • Ultra-Pure Water temperature compensation

  • Easy to install and configure with two relays, two digital inputs, and two 4-20mA outputs

  • Durable 1/2-DIN IP66 NEMA 4X enclosure can be panel, surface, or pipe-mounted

  • Simple, intuitive menu, with soft-touch buttons and a large, clear LCD backlit display

  • Multiple ranges from 0 to 9.999 µS/cm (Ultra-Pure Water) to 0 to 999.99 mS/cm (General Purpose)

  • Choice of 12-30VDC or 90-265VAC versions


Instrument housing

  • UL 94-V0 PC/ABS
  • Front panel 144 x 144mm (Panel-cut out: 138 x 138mm)
  • Depth behind panel: 77mm maximum 
  • Hinged / retained front

Ingress protection rating (IEC 60529 protection rating)



Ambient operating conditions 

Temperature -20 to +55°C, relative humidity 5 to 95%. non-condensing. 

Power supply

  • Universal 90-265vAC, 10W max.
  • LV Option 12-30vDC, 5W max.



3.75″, 240 x 128 dot, LCD module

Display backlight

It can be set to flash to indicate the instrument’s alarm status.


English, French, Spanish, and Italian


5, silicone rubber tactile feedback micro-switched

Digital inputs

Two contact inputs for remote activation of user-defined operations. It can be configured to operate normally in open or closed modes. (All versions except the DOD17)

Current output user calibration 

± 0.01mA, 2 point 0/4 and 20 mA for remote monitor calibration.

Setpoint modes

High, low, band, delay timer adjustable from 00:00 to 59:59 mm:ss. Dose alarm timer, with supplementary initial charge function. Both adjustable from 00:00 to 59:59 mm:ss.

MicroSD card interface

Enables on site upgrading of instrument software. SD, SDHC and SDXC-FAT32 cards supported.

Measurement input

Any contacting conductivity cell. 

Connection cable

Up to 30 meters

Measurement ranges

  • 0-99.99 µS/cm to 0-999.9 mS/cm (K= 0.01 to 10.0)

Conductivity accuracy

± 0.5% of range.

Linearity and Repeatability

±0.1% of range.

Operator adjustment (conductivity)

± 10 % slope (gain) adjustment for solution calibration.

Range of temperature measurement

-50 °C to +150 °C (-58 °F to + 302 °F) for full specification.

Temperature accuracy

± 0.5 °C

Temperature sensor

Pt1000 RTD input. Up to 30 meters of cable. Temperature sensor can be mounted in the sensor or separately.

Technical Documents

  • Coming Soon!