MXD70 SERIES Instrumentation to meet your Process Requirements Features The innovative MXD70 series of process instruments brings a new dimension to analytical process measurements with the modular design to meet ever changing process requirements. • MXD73 Compact 96 DIN IP66 Panel mount option • User selectable bar graph display option • MXD75 IP66 Surface / Pipe mount version • Plug and play card detection for simple measurement and output expansion upgrades • 3¾" QVGA Backlit LCD display provides clear indication as single or multiple measurements • Parameters include: Contacting and Electrodeless Conductivity, pH / Redox, Dissolved Oxygen, Suspended Solids, Turbidity and 4-20mA Current Input • Up to 3 measured parameters with temperature readings can be displayed together • SD card interface allows trouble free saving of configuration and simplifies software updates • Base models include 2 relay outputs and a single isolated 4-20mA current output • Can be expanded up to 6 relay outputs and 6 isolated 4-20mA current outputs • Relays are fully configurable including on/off, time or pulse proportional operation • 8 Independent programmable digital inputs with user selectable operations • Dedicated error page provides up to date controller status • 85-265v or 18-32v Supply options (AC or DC) • User configurable measurement channel identification tag

MXD73 Instrument Specification Input Expansion Slots 3 slots, user configurable with any combination of available input add-in cards. Output Expansion Slots 1 slot, user configurable with an additional output option add-in card. Ambient Operating Temperature -20°C to +50°C (-4°F to +122°F) for full specification. Display 3¾" QVGA back lit LCD module. Buttons 5 tactile feedback, micro-switched, silicone rubber. Alarm LED’s 2 Yellow LED’s located above the main display area for instrument’s alarm status, a lit LED indicates an alarm condition. Digital Inputs 8 contact closures for remote activation...

MXD75 Instrument Specification Input Expansion Slots 3 slots, user configurable with any combination of available input add-in cards. Output Expansion Slots 1 slot, user configurable with an additional output option add-in card. Ambient Operating Temperature -20°C to +50°C (-4°F to +122°F) for full specification. Display 3¾" QVGA back lit LCD module. Buttons 5 tactile feedback, micro-switched, silicone rubber. Alarm LED’s 2 Yellow LED’s located above the main display area for instrument’s alarm status, a lit LED indicates an alarm condition. Digital Inputs 8 contact closures for remote activation...

Contacting Conductivity Measurement • Displays conductivity, resistivity, ppm and temperature units • Measured process & temperature can be displayed together • Compliant with current USP requirements • Full ultra pure water temperature compensation • Ultra pure water to solution concentration measurement • Auto range, remote range or single range operation The contacting conductivity input allows connection with LTH contacting conductivity cells with a cell constant of K= 0.01, 0.1, 1.0 and 10. It is also possible to use other manufacturer’s conductivity cells with a cell constant between K=...

Range & Sensor Compatibility Tables CONDUCTIVITY RANGE NOMINAL CELL CONSTANT 0.010 0 to 9.999 µS/cm 0 to 99.99 µS/cm 0 to 999.9 µS/cm 0 to 9.999 mS/cm 0 to 99.99 mS/cm RESISTIVITY RANGE NOMINAL CELL CONSTANT 0.010 0 to 99.99 kΩ-cm 0 to 999.9 kΩ-cm 0 to 9.999 MΩ-cm 0 to 99.99 MΩ-cm TOTAL DISSOLVED SOLIDS RANGE NOMINAL CELL CONSTANT 0.010 0 to 9.999 ppm 0 to 99.99 ppm 0 to 999.9 ppm 0 to 9999 ppm 0 to 99.99 ppt Note 1: The maximum measurement range will be limited by the solution temperature. With the temperature compensation slope set to 2%/ºC, this will derate linearly from full scale at 25ºC...

Electrodeless Conductivity Measurement • Displays conductivity, % solution concentration, salinity and temperature units • Able to simultaneously display conductivity, % solution concentration, salinity and °C • Ideal for cooling tower bleed, rinse water and solution concentration applications • Preset curves stored for common chemicals and salinity • 2 independent custom curves offering up to 9 points can be entered • Adjustable temperature compensation slope Covering a wide range of conductivity measurement, from water (200 μS/cm) to solution concentration measurements (1,000 mS/cm), it is...

Electrodeless Conductivity Input Card Specification Measurement Input ECS20 or ECS40 Series electrodeless conductivity sensor. Connection Cable Up to 100 metres LTH 54E or 54H cable. Ranges of Measurement 0-999.9μS/cm, 0-9.999mS/cm, 0-99.99mS/cm, 0-999.9mS/cm. 0-999.9 ppm, 0-9999 ppm. 0-99.99 ppt (parts per thousand). 0 0 0 0 0 0 NaOH – Sodium Hydroxide. NaCl – Sodium Chloride. HCl – Hydrochloric Acid. H2SO4 – Sulphuric Acid. H3PO4 – Phosphoric Acid. HNO3 – Nitric Acid. Operator Adjustment (Temperature) ± 50°C or ± 122°F. Range of Temperature Compensation -10°C to +150°C (+14°F to +302°F) for...

pH/ Redox Measurement • Differential input for excellent noise rejection • Accepts pH glass or Antimony and Redox (ORP) Electrodes • Able to simultaneously display the pH reading, temperature and electrode mv • Dose alarm timer prevents overdosing • Automatic sensor cleaning By providing the user with the flexibility to select either glass or Antimony pH sensors or Redox input and operating with single ended or differential inputs, means a single instrument may be used for the majority of pH and Redox applications. Temperature compensator selection of Pt100 or Pt1000 allows the instrument to...