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    อุปกรณ์วัดซีลิก้า (Checker®HC Handheld Colorimeter – Silica Low Range)

    HI 705

    Checker®HC Handheld Colorimeter – Silica Low Range

    The HI 705 Checker®HC is a simple, accurate, and cost effective way to measure low ranges of silica.  Designed as a more accurate alternative to chemical test kits, the HI 705 provides quick, accurate results in four easy steps. 

    1.) Step One – Add a sample to the included cuvette.  Add reagent “A” and “B”
    2.) Step Two – Insert sample into the Checker and zero it out
    3.) Step Three – Remove sample and add reagent “C”
    4.) Step Four – Reinsert sample and click the button to measure your results or…
    – Press and hold the button for 3 seconds for a time reaction reading

    The HI 705 uses an adaptation of the ASTM D859 method of heteropoly blue method. The reaction between silica and reagents causes a blue tint in the sample. 

    * Small palm-sized design
    * Accurate from ±0.03ppm ± 5% of reading
    * Dedicated to a single parameter
    * Uses a single AAA battery
    * Auto Power Off after 10 minutes in inactivity
    * Built-in timer for timed reaction readings

    * Water Quality
    * Education
    * Environmental
    * Water Treatment (Boilers/Cooling Towers)


    Order Information:
    The HI 705 Checker®HC is supplied with 2 cuvettes and caps, reagent starter kit (1 bottle reagent A, 6 packets of reagent B, and 6 packets of reagent C), 1 x 1.5V AAA battery, and an instruction manual.



    Range 0.00 to 2.00 ppm  
    Resolution 0.01 ppm  
    Accuracy (@25°C/77°F) ±0.03ppm ± 5% of reading  
    Measurement Method Colorimetric  
    Light Source Photodiode @610 nm  
    Method Adaptation of the ASTM D859 method of heteropoly blue method  
    Light Detector Silicon photocell  
    Power Supply Auto off after 10 min. of inactivity  
    Environment Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing  
    Dimensions 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)  
    Weight 64 g (2.25 oz.
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    131 Thailand Science Park. Innovation Cluster 1 Building,

    Klong 1, Klong Luang, Pathumthani 12120 Thailand. 

    Tel.  02-191-3928 Fax 02-191-3929

    For more information please contact 081-847-6768 (Ms. Nareerat) IDLine: @alltestkit

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