Maybe I was the only one who was left in the dark, but some German sites show:
The Magnesium one is scheduled for release on April 15 in Germany.
Range: 1000-1800 ppm / Resolution: 5 ppm / Accuracy: ±5% of the reading at 25°C
By google-translating the manual on Hanna's German site, it seems pretty easy to use.
Range: 0-2.5 ppm / Resolution: 0.01 ppm / Accuracy: ±5% of the reading at 25°C
- HI783 Hanna Marine Magnesium Checker
- HI784 Hanna Marine Ammonia Checker
The Magnesium one is scheduled for release on April 15 in Germany.
Range: 1000-1800 ppm / Resolution: 5 ppm / Accuracy: ±5% of the reading at 25°C
By google-translating the manual on Hanna's German site, it seems pretty easy to use.
- Prepare your "blank" with 4 ml of reagent A, plus 5 ml of unreacted sample
- Put the "blank" into checker, press the button, wait for C2
- Get the "blank" out of the checker, add 1 ml reagent B. Invert 5 times.
- Put the reacted sample back into the checker. Press button once. (no waiting time), the display shows the result.
Range: 0-2.5 ppm / Resolution: 0.01 ppm / Accuracy: ±5% of the reading at 25°C
- Prepare your "blank" by adding 14 drops of reagent A and one sachet of reagent B to 10 ml of unreacted sample.
- Shake the "blank" gently for 30-45 seconds, and let the "blank" stand for 30 seconds to eliminate bubbles.
- Put the "blank" into checker, press the button, wait for C2.
- Get the "blank" out of the checker, add 12 drops of reagent C. Invert 5 times.
- Put the reacted sample back into the checker. Press and HOLD the button. After a 15 minutes wait, the display shows the result.
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