HI 727 เป็นเครื่องวัดความใสของน้ำ ว่ามีความใส มากน้อเพียงใด มีหน่วยการวัดเป็น platinum cobalt Unit หรือ PCU เป็นมาตรฐาน ของการวัดความใสของน้ำ หรืออาจจะบอกได้ว่าเป็นเครื่องวัดความขุ่นของน้ำก็ได้
HI 727 Checker®HC is supplied with sample cuvettes with caps (2 ea.), battery and instructions.
Diphenylcarbohydrazide method
Accuracy ±10 PCU ±5 % of reading
5 PCU resolution
Large, easy to read digits
Auto shut off
Uses 10 mL glass cuvettes
Weighing a mere 64 g (2.25 oz.), the Checker®HC easily
fits into the palm of your hand or pocket
Use for quick and accurate on the spot analysis
Single button operation: zero and measure
Operated by a single AAA battery
| Solutions | |
|---|---|
| HI 93703-50 | Cuvette Cleaning Solution |
| Accessories | |
| HI 731318 | Cuvette Cleaning Cloth |
| HI 731321 | Glass Cuvette Set |
| HI 731225 | Caps for HI 731321 Cuvette |
| Reagents & Standards | |
| HI 740230 | Demineralized Bottle, 230 mL |
| HI 727-11 | Calibration Checking Set |
| Range | 0 to 500 PCU | |
| Resolution | 5 PCU | |
| Accuracy @ 25°C | ±5% of reading ±10 PCU | |
| Light Source | LED @ 470 nm | |
| Light Detector | silicon photocell | |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Battery Type | (1) 1.5V AAA | |
| Auto-off | After ten minutes of non-use | |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) | |
| Weight | 64 g (2.25 oz.) | |
| Method | adaptation of the Standard Methods for the Examination of Water and Wastewater, 21th edition, Colorimetric Platinum Cobalt method |


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