2pcs Digital Water Quality TDS pH Tester Pen Water Purity for Aquarium Pool

Description

2pcs Portable Pen Type 0-9990PPM Digital Water Quality TDS pH Tester with Backlight Measurement Detection Water Purity Monitor for Aquarium Pool
Feature:
1. The pH pen of this set of products adopts one-key automatic calibration and manual calibration of the calibration solution. which solves the problem of long storage time for automatic calibration and cannot be accurately calibrated;
2. The top of the pH pen adopts a good sealing process to prevent self-consumption in a humid environment;
3. The TDS pen screen has dual backlights. the screen with a TDS value of 40 and below displays green. and the screen with a TDS value of 40 and above displays red.

Specification:
Material: ABS plastic shell
TDS detector size: 155*25*14mm
Power supply: 2*LR44 button battery
Test item: TDS value
Measuring TDS range: 0-9990PPM
Resolution: 1PPM
Error: 2%
PH detector size: 155*30*15mm
Power supply: 2*LR44 button battery
Operating temperature: 0-80
Test item: PH value
Measuring range: 0.0-14pH
Resolution: 0.01pH
Error: 0.05%
Applicable industries: Households. hospitals. swimming pools. disease control centers. water plant laboratories. aquaculture

Product description:
TDS refers to the total dissolved solids in water. which can be measured by an instrument or test paper.
Generally speaking. 0-50 is “ideal drinking water” and 50-100 is “mineral water”. The higher the TDS reading of tap water. the more likely the water is to have problems.

Note:
Due to the different monitor and light effect. the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.