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1/8 DIN Advanced Controllers and Transmitters

3621 / 3631 / 3651 / 3321 / 3331 / 3351 / 3921 / 3931 / 3951

Jenco’s 1/8 DIN advanced controllers and transmitters form the foundation of our inline product line. Economical, easy to use, and reliable, this complete line is ideal for system builders looking for flexible configurations and seamless integration into water quality control and monitoring systems.

Built for Integrated Systems

  • Easy to install 1/8 DIN plastic casing
  • Consistent 4-button operation
  • Select right parameter/functional combination

 

No-Frills Ease of Use

  • Automatic buffer recognition of US and NIST buffer sets (pH)
  • Automatic or manual temperature compensation (pH, conductivity)
  • Clear backlit LCD displays primary parameter or temperature
  • Displays absolute and relative ORP (ORP)

No-Frills Ease of Use

  • Isolated 4-20 mA current output
  • Isolated RS-485 Modbus output
  • Two sets of programmable relays
  • Programmable hysteresis for customized control

Available Configurations

  • pH, mV, conductivity and dissolved oxygen models
  • Controllers, 4-20 mA and Modbus data transmission
  • pHmV model available with relay andor 4-20 mA output
Features

1/8 and 1/4 DIN Basic Controllers and Transmitters

3675 / 3676 / 3679N / 691N / 692 / 3671N

Introduced more than 20 years ago, Jenco's basic inline meters continue to be the goto choice for unparalleled ease-of use and reliability.

These no-frills pH/mV (ORP) inline meters perform continuous on-location monitoring and remote monitoring and control, optimizing your mission-critical processes by increasing quality and reducing downtime.

No-Frills Ease of Use

  • Calibrate by direct manipulation of readings via potentiometers
  • Dedicated high and low alarm set pushbuttons and potentiometers
  • Automatic temperature compensation
  • On-label guide for calibration and alarm set
  • LED high and low alarm status indicator
  • Clear 12.7 mm tall LCD

Reliable and Repeatable Results

  • One or two-point calibration (pH)
  • Zero adjustment for ORP
  • ±0.01 pH ±0.1 % ORP accuracy

Flexible Control and Transmission

  • Isolated 4-20 mA current output
  • One high and one low on/off relays
  • Factory-programmed hysteresis for smooth alarm control

Available Configurations

  • LCD and LED display
  • Water & corrosion proof case
  • 1/8 and 1/4 DIN sizes
  • Isolated 4-20 mA over any 2 pH units (model 691N)
Features

1/4 DIN Advanced Analyzers

6313 / 6311 / 6308PT / 6308PTB / 6308CT / 6308CST / 6308CTB / 6308DT / 6312DT / 6309POT / 6309PDTF / 6308TuSS / 6TX

Jenco’s advanced inline meters are versatile workhorse units, built to monitor and control the most demanding, the most critical processes.

These meters are built upon the reliability of Jenco's basic inline meters, available with improved usability, control and transmission functionality, and multi-parameter support.

Improved Usability

  • Large, high contrast graphical LCD with backlight
  • Menu-driven operation with password protection
  • High information availability that displays measurements with cell constant (EC), buffer information, electrode efficiency (pH), and current output
  • Automatic buffer recognition (pH)

Reliable and Repeatable Results

  • Multiple calibration points (pH, turbidity, EC)
  • High noise rejection
  • Self diagnostic at power up
  • > 1012 ohms (pH)

Flexible Control and Transmission

  • Isolated and reversible 4-20 mA current output
  • Scaleable 4-20 mA current output (model 6TX)
  • Standard and Modbus RS-485 output
  • Multiple programmable relays
  • Programmable hysteresis for customized control
  • Daisy chain multiple units via RS-485 for output to one computer
  • Wash relay

Available Configurations

  • Singe and dual parameters (pH, ORP, EC, DO, turbidity, temperature)
  • Graphical and LCD display
  • Controller and/or transmitter functions
  • 2-Wired loop powered (12 V to 36 V DC)
Features
Wall Mountable Basic Transmitters

Wall Mountable Basic Transmitters

pH3900 / DO3910

Jenco’s popular 1/8 DIN transmitters in a wallmountable, IP65 enclosure.

These no-frills, economical and extremely easy to use pH and DO continuous monitoring models are ideal for remote locations to meet challenging power availability and operating conditions.

No-Frills Ease of Use

  • Calibrate by direct manipulation of readings via potentiometers
  • Automatic temperature compensation
  • On-label guide for calibration
  • Wide range of power supply of 11 to 50 VDC

Reliable and Repeatable Results

  • Isolated two wire 4-20 mA current output
  • One or two-point calibration for pH
  • 0% and 100% calibration for DO
  • ±0.02 pH ±0.2% FS DO accuracy

Available Configurations

  • Single parameter pH or DO
Features

1/8 DIN Basic Temperature Series

378JC / JF / KC / KF / 765JC / JF / KC / TC / TF / PTAF/PTBF / 768JC-02 / JF-02 / KC-02 / KF-02

Jenco’s 1/8 DIN digital temperature monitor, transmitters and controller has been a staple in integrated systems and process control, where stability and reliability are key.

Accurate and Reliable Readings

  • Cold junction compensation
  • All solid state design
  • Factory calibrated

Simple Usability

  • 4-20 mV analog output
  • Relay hysteresis
  • Proportional band-width control
  • Manual adjust reset
  • Wide temperature range
  • Clear, 12mm LED display

Available Configurations

  • Voltage output
  • On/off relay
  • PT-1000 RTD, and type J, type K, type T type E thermocouple
Features
1-8 DIN Basic Temperature Series