Reagents for the photometric determination of iron in the range to 1.00 mg / L. TPTZ method.
All Product
Range 0.0 - 8.0 ppm | DPD method | Resolution 0.1ppm
All Product
The HI 761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.
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Range 0:00 to 2:50 ppm | ascorbic acid method | Resolution 0.01ppm
All Product
Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution
All Product
Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
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Range 0:00 to 2:00 ppm | EPA method 340.1 | 0.01ppm resolution
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Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
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The HI 771 Checker®HC is a simple, accurate, and cost effective way to measure ultra-high ranges of chlorine. Designed as a more accurate alternative to chemical test kits, the HI 771 provides quick, accurate results in four easy steps.
081-855-1842
02-541-4199
HI770 Checker HC ® - Silica, HR 
HI764 Checker HC ® - Nitrite, ULR 
เครื่องวัดปริมาณไนไตรท์ ช่วงสูง ในตัวอย่างน้ำ รุ่น HI708 
เครื่องวัดปริมาณโครเมี่ยม ช่วงสูง รุ่น HI723 
