HI771-11 is a high-quality set of calibration standards that allows users to validate the Total Chlorine Ultra High Range Checker® HC – HI771. The HI771-11 includes one sealed cuvette for zero ppm total chlorine and one cuvette that is tinted to an equivalent 200 ±10 ppm total chlorine sample @ 25℃. The calibration check set is produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.
The HI771-11 is
Supplied with Certificate of Analysis
![](https://www.hannainst.com.au/wp-content/inline-images/products/solutions/Soulution-Certificate-of-Analysis.jpg)
- Product code
- Lot number
- Expiration date
![](https://www.hannainst.com.au/wp-content/inline-images/products/checkers/checker1234.jpg)