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Conductivity can be used to measure the quality of water that has undergone a purification process. These processes remove dissolved minerals in the water, such as Sodium, Calcium, Phosphates etc. A conductivity measurement is able to detect ppb (parts per billion) of these salts and display the reading in either Total Dissolved Solids (ppm), conductivity (µS/cm) or Resistivity (MΩ/cm) and can indicate the total impurities present.
LTH Electronics can provide contacting conductivity instrumentation and sensors for pure water applications in the pharmaceutical and semiconductor industries where traceable certification and accurate measurement of conductivity or resistivity measurement and temperature are an industry requirement.
LTH Electronics manufacture Electrodeless Conductivity and Inductive Conductive sensors which are ideal where sensor fouling occurs in harsh process applications. These sensors operate with virtually zero maintenance and provide accurate and reliable measurements over extended periods of time.
In dairy, brewery and food industries the cleaning solutions used are more conductive than the water used for flushing and final rinsing. Here conductivity can be used for chemical concentration measurement or interface detection between chemicals and water, minimising chemical waste and water usage and improving the efficiency of a process operation.
BED Electrodeless Conductivity Transmitter
The BXD17 from LTH Electronics is a microprocessor controlled instrument range offering individual controllers for the contacting conductivity, electrodeless (inductive) conductivity, pH / redox (ORP) and dissolved oxygen measurement parameters. To achieve this, the instrument utilises a clear multifunction LCD to display the primary and temperature readings, show operational status and to provide an intuitive user interface while multilingual text displays can be selected from a choice of English, French, Spanish and Italian.
As standard the instrument is a simple to install IP66 rated NEMA 4X wall-mount instrument, however with the addition of a suitable mounting kit it can also be installed as a panel-mount or pipe-mount instrument.
The instrument has two onboard volt-free normally open-relays with adjustable setpoint value and hysteresis. Either one can be set to activate on a high, low or band operation allowing the instrument to be used in a variety of dosing and control operations. Additional setpoint functions include delayed activation dose alarm timer, proportional and accumulation dosing (electrodeless conductivity only), cleaning cycle
(pH and dissolved oxygen only). The relay status is indicated on the instrument display.
Additionally, the instrument features one industry standard, isolated, 0/4-20mA current output enabling the instrument to transmit the primary reading for remote monitoring purposes with features including adjustable scaling, selectable on-error states and loop fault detection.
Features include adjustable scaling, selectable on-error states and loop fault detection
Also included are two digital inputs operating on closed or open contact which allows the instrument to be triggered by No Flow, Low Tank Level, Interlock or Off-Line functions that force the relays to deactivate and the current output to a pre-defined state.
Depending upon the version purchased the instrument is powered either by 90-265vAC or 12-30vDC.
The BXD17 has a Micro SD card slot allowing the user to upgrade to the latest software available should the need arise.
• Single parameter instrument with temperature measurement capabilities
• Custom IP66 NEMA 4X (144 x 144mm) enclosure
• Versatile enclosure design - can be panel, surface / wall and pipe mounted
• Large informative LCD backlit display (Size 3.75’’ – 240 x 128 pixels)
• Simple intuitive menu structure with soft tactile function buttons
• Replacement for our entry level controllers (BC9, BP9, CDM9 Series)
• Push in connection technology simplifies installation • Software upgradable via SD card slot – Future proof