| Customization: | Available |
|---|---|
| Warranty: | 2 years |
| Display: | colour |
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Instructions:
1. Add the water sample to the scale line of the colorimetric tube.
2. Take a test strip from the bottle and close the cap.Put the strip into the colorimetric tube with the test pads downward and close the cap of the tube.
3. Shake up and down vigorously for 10 seconds,and then place the tube upright for 90 seconds.
4. Open the tube and take out the strip.
5. Observe the color by putting the tube bottom in the blank area of the color chart and looking down through the tube,and then compare the result with the color chart.
Warning:
1. Keep wet fingers out of the bottle.
2. Close cap tightly after removing strips.
3. For best results read in natural daylight.
4. The color of unused strips might change after opening the bottle,but the change dose not affect the accuracy of test results.
5. Store in a cool dry place.
Q: How long is your delivery time?
A: It generally takes 5-10 days if the goods are in stock, or 15-20 days if the goods are not, depending on the quantity ordered.
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