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  • Chemical Oxygen Demand

  • Bench Meters
  • Measuring COD
  • Reagents

  • Chemical Test Kits

  • Checker Disc Test Kits
  • Colorimetric Test Kits
  • Titration test kits

  • Colourimeters/Photometers

  • Applications
  • Meters
  • Principle Of Operation

  • Conductivity

  • Bench Meters
  • Portable Meters, Testers and Monitors
  • Solutions

  • Dissolved Oxygen

  • Bench Meters
  • Portable Meters
  • What Do They Do?

  • Food and Drink

  • Food Thermometers
  • Special Application Food Meters
  • Wine

  • Magnetic Stirrers

  • pH and Stirrers
  • What Is Speedsafe?
  • Why So Many Colours?

  • Multiparameter Meters

  • Meters
  • Testers and Monitors
  • What Parameters Can Be Tested?

  • pH Meters

  • Electrodes
  • Meters
  • Solutions

  • Process Instrumentation

  • From Simple To Sophisticated
  • Sensors
  • What Can We Control?

  • Reagents and Accessories

  • Accessories
  • Reagents

  • Relative Humidity

  • Portable Meters
  • Principle Of Operation
  • Transmitters and Probes

  • Temperature Measurement

  • Celsius or Fahrenheit?
  • Probes
  • Types of Thermometer

  • Titration

  • Automatic Titration Systems
  • Industry Applications
  • Mini Titrators

  • Turbidity

  • Applications
  • Meters
  • Principle Of Operation
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  • Agriculture and Soil Testing

  • Composting
  • Crop Humidity and Temperature Monitoring
  • Elements needed for Plant Growth
  • Lenny's Recommended Agriculture and Soil Meters
  • Sodium Absorption Ratio
  • Soil Testing

  • Aquaculture and Aquariums

  • Aquarium Water Cycle Explained
  • How and When Should I Test?
  • Lenny's Recommended Aquaculture and Aquarium Meters
  • Optimum Aquarium Water Quality Levels
  • What Should I Be Testing For?

  • Boilers And Cooling Towers

  • Corrosion
  • Deposits
  • Legionella Testing and Control
  • Lenny's Recommended Boilers and Cooling Towers Meters

  • Food And Drink

  • Food Probe Choice and Selection
  • Food Temperature Measurement Tips
  • Lenny's Recommended Food and Drink Meters
  • Salt and pH Testing of Food
  • Temperature Food Hygene Regulations
  • The Importance of Calibration

  • Hydroponics

  • Elements needed for Plant Growth
  • Hydroponic Nutrient Levels
  • Hydroponics and the Benefits
  • Lenny's Recommended Hydroponicd Meters
  • What and Why is EC Important?

  • Meters For Laboratories

  • Calibration and Calibration Frequency
  • Care and Maintenance of Your Meter
  • Choosing The Right pH Electrode
  • Help in Choosing a Field Meter
  • Lenny's Recommended Laboratory Meters

  • Meters For Schools and Colleges

  • Calibration and Calibration Frequency
  • Care of Your Equipment During Holidays
  • Field Studies Test Equipment
  • Lenny's Recommended Schools and Collage Meters
  • Student Proof Meters

  • Swimming Pools, Spas and Hot Tub Testing

  • Chlorine Explained
  • How and When Should I Test?
  • Lenny's Recommended Swimming Pool Meters
  • Water Balance Explained
  • What Is The Langelier Index?
  • What Should I Be Testing For?

  • Waste Water Testing

  • Calibrating Your Meter In The Field
  • Chlorine and Turbidity Testing
  • Getting The Best From Your Colorimeter
  • Help in Choosing a Field Meter
  • Legionella Testing and Control
  • Lenny's Recommended Waste Water Meters

We manufacture and supply pocket testers, portable meters, bench meters and panel meters for a wide range of applications and different industry sectors:- Colorimeters and Conductivity meters Dataloggers and Dissolved Oxygen meters Food Thermometers and Fertilizer monitors Humidity meters and Indicators pH meters and pH electrodes Titrators and Turbidity meters Reagents and Refractometers