HANNA 758 Mini-Photometer Checker Calcium (200 to 600 mg/L) sea water

Simply measure your samples in a few steps:

1. Take a water sample and insert the cuvette into the photometer
2. Take a blank
3. Add the reagent to your solution
4. Insert the cell into the photometer
5. Press the button and read the result within 10 seconds

Features:

• Range: 200 to 600 mg/L (ppm)
• Resolution: 1 mg/L (ppm)
• Accuracy: ±6% of reading
• Method: Adapted from the Zincon method
• Light source: 610 nm LED
• Light detector: Silicon photocell
• Battery: 1 x 1.5V AAA
• Auto power off: After 10 minutes of non-use
• Dimensions / Weight: 81.5 x 61 x 37.5 mm / 64 g