Calibration Standard for HI 749 Checker HC ®
All Product
Range 0:00 to 2:50 ppm | USEPA Method 330.5 / DPD | Resolution 0.01ppm
All Product
Reagents for HI 755 Checker HC ®, 25 Tests
The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.
All Product
Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
All Product
Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
All Product
Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
All Product
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.
All Product
Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
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BL983322-1 EC Mini Controller, 0 to 19.99 µS/cm, 230V 
เครื่องวัดปริมาณซิลิกา ช่วงต่ำ ในตัวอย่างน้ำ รุ่น HI705 
HI981402 pH-Indicator with LED-Alarm & Electrode PRONTO 
HI761 Checker HC ® - Total Chlorine, ULR 
