The HI97740-11 Nickel Low Range CAL Check™ Standards provide a simple solution to calibrating and validating the compatible HI97740 portable photometer. This high quality set of standards is manufactured in our state-of-the-art facility and comes supplied with a certificate of analysis. The certificate of analysis provides the lot number, reference values, and expiration date for traceability when certifying the compatible nickel low range photometer.
- Supplied with Certificate of Analysis
- Standard value of 0.500 ±0.020 mg/L nickel @ 25℃
- Reusable with long shelf life stability









