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Instruments, Controllers & Sensors




Portable Turbidity meters

Bench Turbidity meters

Online Turbidity

Flame Photometry

BWB-1 Flame Photometer

Dissolved Oxygen (DO)

Handheld Dissolved Oxygen IP67 Dissolved Oxygen Meters

Bench Dissolved Oxygen Meters

Industrial Dissolved Oxygen 

Dissolved Oxygen Probes

DO Probe Conditioner


Portable pH Testers

Handheld pH Meters

Waterproof pH Meters

Bench pH Meters

Industrial pH Controllers

Replacement pH Electrodes


Free Chlorine

Total Chlorine

Cyanuric Acid

Redox (ORP)

Portable Redox Testers

Handheld Redox Meters

Waterproof ORP Meters

Bench ORP Meters

Industrial ORP Controllers

Replacement Metal ORP Probes

Conductivity (EC)

Portable Conductivity Testers

Handheld Conductivity Meters

Waterproof Conductivity Meters

Bench Conductivity Meters

Industrial Conductivity Meters

Replacement Conductivity Cells

Total Dissolved Solids (TDS)

Portable TDS Testers

Handheld TDS Meters

Waterproof TDS Meters

Bench TDS Meters

Industrial TDS Controllers

Replacement Cells

Ion Concentration

Handheld Ion Meters

Waterproof Ion Meters

Bench Ion Meters

Ion Selective Electrodes (ISE)


Portable Salinity Testers

Handheld Salinity Meters

Bench Salinity Meters

Salinity Sensors

Multi-parameter Bench Meters


Please click above to view this range


Multifunctional Controller


Chlorine Dioxide

Paracetic Acid

Hydrogen Peroxide 



Bench Resistivity Meters

Industrial Resistivity Controller

Resistivity Cells

Electrochemical Sensors

pH, Reference, Conductivity, Redox, Dissolved Oxygen, Ion Selective Electrodes, Calibration Solutions, Hollow Cathode Lamps and

Deuterium Lamps

Temperature : Portable Temperature Meter (EcoScan 4,5 & 6)

Our handy microprocessor-based EcoScan Temperature meters are easy to use and have many advanced features such as : maximum and minimum display, offset temperature calibration adjustment, non-volatile memory, hold function and auto-power off. They also have a splash proof keypad protecting the meter from occasional spills. 

Main Features :

  • Maximum and Minimum Display at a push of button and in addition meter even updates the maximum and minimum temperatures when readings are frozen
  • Offset Temperature Calibration Adjustment for fine tuning purposes
  • Non-Volatile Memory ensures calibration data and meter information are retained even meter powers off
  • Hold Function momentarily freezes reading for easy viewing and recording
  • Auto-Power Off saves battery power after non-use
  • Self-Diagnostic with message codes for easy troubleshooting
  • Large Custom LCD provides optimum viewing even at a distance
  • Protective Rubber Boot shields meter from accidental knocks and features a sturdy built-in stand for easy bench-top operation
  • Ease Of Interchangeability for use with various types of compatible probes for vast applications


Temperature Range -40.0 to 125.0 C;
-40.0 to 257.0 F
-200 to 850 C; 
-328 to 1562 F
Resolution & Accuracy (for Temp 4/5) 0.1 C/0.1 F & 0.2 C/0.4 F
Resolution & Accuracy (for Temp 6) 0.1 C/0.1 F & 0.2 C/0.4 F (-99.9 to +199.9 C);
1 C/1 F & 2 C/4 F (beyond above range)
Offset Adjustment 5 C or 9 F
Special Functions Minimum & maximum display; 
Auto Power-Off after 17 minutes; 
HOLD (freeze readings); Self-diagnostics messages
Power 4 'AAA' x 1.4V batteries

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We are proud to announce the launch of the Worlds First CFR 21 Compliant - Windows CE Driven Multi-Parameter 6000 Range of Bench Meters. Ideal for use in industries such as Pharmaceutical, Food & Drug Manufacture and Health & Human Services. Please click here for details.

We accept all major credit/debit cards - please contact us for our best possible prices!; any questions? Why not try our Technical Area where you will find an in-depth explanation of many relevant aspects within the field of electrochemistry! more..


Russell Mainstream Supply Ltd.


Cameron House, 8 Crown Square, Kingskettle, Cupar, Fife, KY15 7PW


Phone: +44 (0)1337 831192

Fax: +44 (0)1337 371192


Email: Sales@rmprocesscontrol.co.uk 



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