HANNA 764 Mini-Photometer Checker Ammonia 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 powdered reagent to your solution
4. Insert the cuvette into the photometer
5. Press the button and read the result within 10 seconds

Specifications:

• Range: 0.00 to 9.99 mg/L (ppm) NH3-N
• Resolution: 0.01 mg/L
• Accuracy: ±0.05 mg/L ±5% of reading
• Method: Nessler method
• Light source: LED at 470 nm
• Light detector: Silicon photocell
• Battery(ies) 1 x 1.5 V AAA battery
• Self-extinguishing: After 10 minutes of non-use
• Dimensions: 81.5 x 61 x 37.5 mm
• Supplied with a quick start guide
• Weight: 64 g