Waltron 4073 Multi-Sensor Analyzer

4073 Multi-Sensor Analyzer

Range: 1 to 3 channels, mix and match of sensors

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

Introducing Waltron 4073 Multi-Sensor Analyzer, a versatile instrument offering seamless integration of 1 to 3 channels, enabling a customized mix and match of sensors tailored to your needs. With features like easy installation, an intuitive backlit LCD display, and robust data logging capabilities, the 4073 is engineered to deliver unmatched reliability and flexibility for a myriad of applications. Experience the convergence of technology and user-friendly design with Waltron’s latest innovation.


  • 1-3 Channel transmitter controls a mix of sensors

  • Channel parameters include Specific Conductivity, Electrodeless Conductivity, pH/ORP, LDO, Turbidity, and 4-20mA Current Input

  • Easy to install and configure with two relays and two 4-20mA outputs per channel, with MODBUS as an available option

  • Slide-in 1/4-DIN IP66 panel-mount enclosure

  • Simple, intuitive menus in a 3 3⁄4” backlit LCD display of single or multiple measurements

  • On-board data logging and live trending

  • Choice of 18-32VDC or 85-265VAC versions


Instrument Housing

UL 94-V0 PC/ABS.

Ingress Protection Rating

IP66 to the front when the panel is mounted.


Maximum 2 lbs / 880 grams (transmitter only)

Dimensions Front

128 x 116 x 23 mm (H, W, D)

Dimensions Rear

89x89x161 mm(H, W, D), including connectors.


Ambient Operating Temperature 

-20°C to +50°C (-4°F to +122°F) 

Power Supply

Universal 80-265v AC or IX), 15W max. LV Option 18-32v AC or DC, 20W max.



3%”, QVGA, backlit LCD module.


5 tactile feedback, micro-switched, silicone rubber.

Alarm LED’s

2 Yellow LEDs above the main display area for the instrument’s alarm status. A lit LED indicates an alarm condition.

Digital Inputs

8 separate inputs for remote activation of user-defined operations. It can be configured to operate in normally open or normally closed modes.

Current Output Options

1 x 0/4-20mA as standard, expandable up to 4 or 6 x 0/4-20mA outputs depending on the number of relay outputs.

Setpoints and Control Relays Specification

Fully configurable setpoints with volt-free contacts for each relay. Rated at 5A at 30V DC / 5A at 250V AC.

Setpoint LED’s

6 Red LED’s located above main display area for setpoint status indication, a lit LED indicates the relay is energised.

Modbus RS485 Interface (Optional)

  • Supports RTU and ASCII formats
  • Node Address: 1 to 247
  • Baud Rates (Bits Per Second): 300, 600, 1200, 2400,4800, 9600, 19200, 31250, 38400
  • Parity Options: Even, Odd, None

SD Card Interface

  • Enables backing up and restoring instrument configuration, logging of the sensor readings and instrument status (optional extra), and on-site upgrading of instrument software.
  • SD, SDHC, and SDXC-FAT32 cards are supported.


2004/108/EC using BS EN 61326-1: 2013.

Low Voltage Directive

2006/95/EC using BS EN 61010-1: 2010.

Technical Documents

  • Coming Soon!