standard sample according to own needs, reading the values of different concentration samples with the meter, and
then calculating the curve.
f. Single point calibration curve refers to the function that the user prepares a sample with known concentration to
carry out single point calibration on the existing curve, so as to modify the parameters of the original curve.
4. Delete curves
5. Data record
The measured data stored in the meter is automatically saved as a file on a daily basis and named automatically by
date.
6. System setup
Setting time, check battery information & overall storage, switch buzzers, adjust screen brightness, set hibernation &
power down times, restore factory setting.
7. If enter a number, press
【
▲
】【
▼
】
key.
Considerations
1.
Before placing sample bottle, wipe off the residual liquid on the surface of the colorimetric bottle with a
mirror
-
cleaning paper, avoid splashing the liquid sample into the sample chamber. If it is splashed, it should be
sucked with filter paper immediately, otherwise it will cause digital drift and jump.
2. The light transmission position of the colorimetric bottle is at the bottom of the bottle, so the solution need not be
added too much, and the upper part of the rough surface is held in hand as far as possible, so as not to affect the
measurement data.
3. When the water sample temperature is too low than room temperature, it will cause the sample bottle glass
atomization. At this time, the water sample can be stored for a period of time, and then measure when it returns to
room temperature
。
4. Water samples should be slowly injected into sample bottle to avoid bubbles. If there are too many bubbles in the
sample, it can be measured later, otherwise, bubbles will affect the stability of the measured value.
