LAQUAtwin - Model B-771 - Conductivity Meter
From Plant Testing Meters - Conductivity Testers
Incorporating a flat sensor, the LAQUAtwin EC conductivity meter can measure the conductivity of a solution from a single drop of sample. Automatic calibration, Automatic temperature compensation, Automatic range switching. Waterproof.
Main Features:
- CardyHighly precise measurements from a single-drop sample.
- The sensor can be directly immersed in solutions to take measurements, enabling convenient testing of such solutions as river water.
- Automatic range switching gives a wide measurement range of 1µs/cm~19.9ms.
- Automatic calibration, with 1,413µS conductivity standard.
- Automatic temperature compensation, and other 'intelligent' functions are standard features.
Cardy Recommended Uses:
- Used in our leaf sap analysis to determine nutrients not yet complexed into sugars.
- To measure the concentration of nutrients in foliar and hydroponic fertilizers.
- To measure the level of water soluble nutrients available to crops in the soil
- To monitor the salinity of soil so you can manage the damaging effects of high salts.
- Used to determine what Dr Carey Reams called 'ERGS' (energy released per gram per second) 1 ERG is equal to 1 microsiemen. He recommended soils have around 200 ERGS and no more than 1000 ERGS.
- Ideal for use in the Reams Urea test.
- The measurement of conductivity is indispensable to controlling the water quality of rivers, lakes, underground water, waste water, etc.
- The perfect way to check sea water desalination systems used on small ships and cruisers.
- Also important for monitoring fish tanks and other aquatic systems.
Nutrients in the soil are only available to the plants in ionic form when dissolved in the soil solution. This EC meter which measures the quantity and mobility of ions (cations & anions) and is perfect for seeing an overview of the amount of nutrients available to the crop. You can also monitor if conductivity is too high which indicates high salts and your plants may be vulnerable to burn.
Specifications :
- Measurement Principle : 2 AC bipolar method
- Minimum Sample Volume : 0.12 ml
- Measurement Range : Conductivity:0 to 19.9mS/cm(0 to 1.99S/m)
- Salt:0 to 1.1% TDS:0 to 9900ppm
- Display Range : 0-19. mS/cm (0-19.9 mS/cm)*1
- Range and Resolution :
- 0-199µS/cm:1µS/cm
- 0.20-1.99mS/cm: 0.01mS/cm
- 2.0-19.9mS/cm: 0.1mS/cm
- 20-199mS/cm: 1mS/cm
- Calibration : Two point*2
- Accuracy : ±2% full scale ±1 digit *3 (over 10 mS/cm: ±3% full scale ±1 digit)
- Functions :
- Conductivity/TDS/Salt (NaCl) measurement ·
- Auto range change · Temperature conversion(2%°C fixed)
- Waterproof *4 · Auto hold · Automatic power off (15 minutes)
- Display : Custom (monochrome) Digital LCD
- Operating temperature/humidity : 5 to 40°C, 85% or less in relative humidity (no condensation)
- Power : CR2032 batteries (x2)
- Battery life : Approx. 400 hours in continuous use
- Main Material : ABS epoxy
- Dimensions : 164 x 29 x 20 mm (excluding projections)
- Weight : Approx. 45g (meter only, without batteries)
- Standard Accessories :
- 2 CR2032 batteries/1 Pipette/Instruction manual/Quick manual/
- Storage case/Standard solution(1.41mS/cm) (14ml)/
- Treatment reagent (14ml)
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