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Equipment for the Professional User in the Field of Weather, Environment and Plant Growth Circumstances. Prices are VAT excluded.

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ConeFET LanceFET CupFET MicroFET
ConeFET LanceFET CupFET MicroFET
Sentron Wireless ISFET pH Probes
Replacement probes for Sentron wireless ISFET pH Meters

Product number

ST-xxxx-005

€ 395,00 *
Price per unit
 

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Replacement Wireless ISFET pH Probes


These replacement ISFET Probes are for use with the Sentron wireless ISFET pH Meter. Not compatible with the SI400 and SI600 meters.
 

Models


All probes have an ISFET sensor based on the same technology. Each probe is the same when it comes to accuracy. The form and material make each probe different for different uses.

The following replacement probes are available:
 
  1. ConeFET:  blunt tip
  2. LanceFET: scharp tip voor easy penetration
  3. CupFET:  flat tap (with cup)
  4. MicroFET: with a thin (3 mm diam.) probe and micro sensor
When making a choice above, you can see a picture of each probe.
 

Usage


The probes can be used for multiple types of samples (wet/dry). The sensor doesn't need to be kept wet when stored. The ISFET sensor is less prone to damages and pressure in comparison with glass type sensors.

- Important -
When using the probes in soil or potting material, pelase make sure the sample does not conatin any sharp material, such as gritty sand, grit sharp rocks etc. These materials can damage the ISFET sensor when scraped by it. Please predrill a hole with a pick or screwdriver in sharp soil before inserting the probe.Soft(er) material such as perlite and vermiculite in potting mixes generally do not cause any problem.The ConeFET and LanceFET are suitable for soil measurement. For heavy soil use the LanceFET.
 

Specifications

 
   ISFET Probes  
    ConeFET LanceFET CupFET MicroFET  
        General          
  General liquids (low viscosity)  
  Semiliquids (low to medium viscosity)    
  Semi solids / paste (medium to high viscosity)      
  Piercing capapability medium/normal pressure        
  General beakers and containers  
  Deep containers (up to 120 mm)  
  Small sample volume (20 uL)      
  Test tubes / vials (as small as 3 mm diameter)        
        pH          
  Sensor Ion Sensitive Field Effect Transistor (ISFET) semiconductor, glasfree  
  Range pH 0 - 14,00  
  Accuracy +/- 0,02 pH  
  Resolution 0,01 pH  
  Drift max. (in pH 7 after 24 hours @ 25 °C) 0,14 pH  
  Drift typical (in pH 7 after 24 hours @ 25 °C) 0,05 pH and lower  
  Calibration 1,2,3 and 5 points  
  Automatic Temperature Compensated Calibration (ATC) yes  
  Buffer Solutions Sentron,DIN, NIST, JIS  
        Reference System          
  Type non-flow non-flow  
  Diafragm porous PTFE ceramic  
  Referentievloeistof gelled KCI gelled KCI  
        Temperature          
  Sensor NTC  
  Accuracy 1 %  
  Range 0 to 80 °C  
  Resolution 0,1 °C  
        Physical Properties          
  Dimensions          
     Length probe (submersible) 128 mm 131 mm 128 mm 110 mm  
     Length adapter       48 mm  
     Diameter probe 10 mm 10 mm 10 mm 3 mm  
     Diameter adapter       10 mm  
     Cable length 1600 mm  
  Material   PEEK/ABS PEEK/Stainless Steel tip PEEK/ABS PEEK  
  Weight 18 gr 18 gr 18 gr 12 gr  
  Operation / Storage          
     Temperature 0 to 80 °C  
     Humidity  30 % to 80 % relative humidity   
  Protection Class IP67 dust and waterproof  
             

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