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HI726 Checker HC ® - Nickel, HR
1 × ฿3,103.00 -
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HI716 Checker HC ® - Bromine
1 × ฿3,103.00
Subtotal: ฿6,206.00
Reagents for HI 701 (Free Chlorine), 25 Tests
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฿481.50
Reagents for HI 755 Checker HC ®, 25 Tests
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฿3,105.14
Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution
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฿3,103.00
Range 0:00 to 5:00 ppm | EPA Method 315 B | 0.01ppm resolution
Out of stock
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฿3,103.00
Range 0 - 600 ppb NO2-N | EPA method 354.1 | Resolution 1 ppb
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฿3,103.00
The HANNA HI 770 Checker®HC is accurate and affordable. This portable handheld colorimeter features a resolution of 1 ppm (200 points) and ±2 ppm ±5% of reading accuracy. The contoured style of the HI 770 Checker®HC fit in your palm and pocket perfectly and the large LCD is easy to read. The auto shut off feature assures the battery life will not be drained if you forget to turn it off. The HI 770 Checker®HC is simple to use. First, zero the instrument with your water sample. Next, add the reagents in order, respecting all the indications. Last, place the vial into the Checker®HC, press the operational button for about 3 seconds and the display will show the countdown prior to the measurement or, alternatively, wait for 2 minutes after last reagent adding and press operational button. The Checker®HC displays concentration in ppm of Silica as SiO2. Order Information: HI 770 Checker®HC is supplied with sample cuvettes with caps (2 ea.), powder reagents for 6 tests, battery and instructions.
Out of stock
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฿3,103.00
Range 0.0 - 12.5 ppm | DPD Method | Resolution 0.1ppm
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฿3,103.00
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.
Out of stock
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฿3,103.00
Range: 0 to 300 ppb. The HI 749 Checker®HC is a simple, accurate, and cost effective way to measure low ranges of chromium VI in fresh water. Designed as a more accurate alternative to chemical test kits, the HI 749 provides quick, accurate results in four easy steps. The HI 749 uses an adaptation of the ASTM Manual of Water and Environmental Technology, D1687-92, Diphenylcarbohydrazide method. The reaction between chromium VI and the reagent causes a purple tint in the sample.