product name: Ammonia Nitrogen Color Comparison Tube
Product Name: Ammonia Nitrogen ColorComparison Tube
Model: RM9041
Measuring Range: 0.2-0.5-1-2-5-10
Packing: 50 pcs/bag
Instructions:
1. Pull out the filament of tube's tip.
2. Evict the air in the tube.
3. Insert the liquid which is detected, stop inhaling water when it is half around.
4. Rock 5 to 6 times slightly, after the specified time(pls rock 1 to 2 times in the halfway),
compared with the standard colorimetric card.
Feature: Fast and accuracy.