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Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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Partlow / West

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West ET2001 Digital Thermostat (J-Type T/C)


Compact 77mm x 35mm, cost-effective, digital thermostat device for general heating or cooling applications. Ideal for industrial applications with J thermocouple sensors.

  • Heating or cooling applications
  • J thermocouple
  • Single set-point, on/off control
  • Zero point shift
  • Adjustable hysteresis


West ET2011 Digital Thermostat (T/C or PT100)


Compact 77mm x 35mm digital thermostat for general industrial applications. Thermocouple or PT100 sensor input and two outputs, relay and SSR.

  • Heating or cooling applications
  • Thermocouple or Pt100 input
  • Dual setpoint (control/alarm)
  • Relay & SSR drive
  • Zero point shift
  • Adjustable soft start


West Dual Temperature/Process Controller

West Pro-EC44 Dual Temperature/Process Controller

The Pro-EC44 dual temperature controller has been designed to simplify user operation through an intuitive HMI combined with easy-to-use configuration and simulation software, Blue Control©. This allows the controller to be used by a variety of personnel without compromising the functionality available.
Quick access to important product information is also facilitated with a front USB port.
The Pro-EC44 dual temperature controller is well ...


West Digital Timers


The WEST ETM2432 Digital Timer is fully adjustable with nine timer modes and designed for easy integration within a control installation to fit the user’s needs. 

  • Dual contact timed output
  • Start, reset & hold digital inputs
  • Start/stop control from front panel
  • HH:MM or MM:SS
  • Scale 0:01 to 99:59 minutes / 0:01 to 99:59 hours
  • Adjustable increasing & decreasing steps
  • Time remaining displayed
  • Upper and lower adjustable timer limits
  • Audible tones

Partlow DIN Controllers

Partlow DIN Controllers

  • Dual setpoints with optional remote selection
  • Plug-in output modules
  • Customizable operator menus
  • Process and loop alarms
  • Full PID or ON/OFF control
  • Heat/Cool operation (with dual outputs)
  • Selectable pre-tune, self-tune, manual tune
  • Approvals: RU, CRU, CE

Partlow Limit Controllers

Partlow Limit Controllers

  • 1/16, 1/8 & 1/4 DIN Sizes
  • Dual 4 digit display
  • User selectable input type
  • Up to three outputs
  • 3 year warranty
  • Approvals: RU, CE


West / Partlow Paperless Recorder



West / Partlow DataVU 5 Paperless Recorder

The paperless recorder, DataVU 5 is designed to provide a fast and easy set up through user friendly controls, setup time is reduced by providing users with a quick and easy set up process via an intuitive on screen menu.  Configuration is carried out using a combination of fixed keys and menu led soft keys. Three fixed keys allow the user to easily locate and return to the master control options.

  • 5.5" color TFT display
  • Strip chart, bargraph & numerical data formats
  • 3 or 6 analog inputs • 4 logic inputs, 3 relay outputs
  • Non-volatile flash ...


West Temperature Controlers


The CAL  temperature controllers are designed to be easy-to-use and reliable within the most demanding process and manufacturing applications. 

Designed for industrial or scientific applications they have an impact resistant smoked fascia with rubberized buttons with positive feedback. PID tuning is simple and efficient whilst the unique dAC function minimizes overshoot 

  • 1/32 & 1/16 DIN sizes
  • Thermocouple, Pt100 & mV input
  • Simple menu setup
  • Relay & SS ...