PROTMEX PTH-4 User Manual

CARBON DIOXIDE
MONITOR
PTH USER MANUAL
PROTMEX
Please read this manual carefully before using the product and keep it properly
Thank you for purchasing the carbon dioxide monitor PTH-4/PTH-5! This product
uses a carbon dioxide sensor based on the principle of non-dispersive infrared
absorption, which can accurately measure the concentration of carbon dioxide in the
air with a concentration range of 0 ppm to 5000 ppm. Long-term inhalation of high
concentration of carbon dioxide by the human body can easily induce hypoxic
suffocation . This product can keep you away from these troubles. It is suitable for
cars, baby rooms, homes, Offices and other densely staffed occasions, it is also
suitable for greenhouses, breeding farms, etc.
Specification
1)Using non-dispersive infrared technology (NDIR), full-scale temperature range
correction;
2) Various air quality warning forms such as indicator lights and facial comfort
expressions;
3) The screen backlight will automatically turn off in 10 minutes and wake up with
one key;
4) Large-capacity 18650 lithium battery, long battery life;
5) Support USB charging method;
6)There is a bracket stand on the back of this product, which is convenient to place
on a flat surface for continuous monitoring
Packing List
Please check the accessories list of the instrument you purchased according to
different models.
1. PTH host × 1 2. 18650 lithium battery × 1 (built-in) 3. user manual × 1
4. USB cable × 1 5. Product certificate ×1
Special statement: The illustrations of the products, accessories and user interface
in the manual are all schematic diagrams and are for reference only. If there is a
difference between the actual product and the schematic diagram due to product
updates and upgrades, please refer to the actual product received and the
manufacturer will not notify you separately.
Product Operation Instruction
1.ProductIntroduction
Indicator light
Screen
Temperature and humidity
(only for PTH-5)
Front

2.Charging

When charging with the Micro USB that comes with the instrument，please use a
power adapter with a specification of 5V
please be careful not to exceed 1m in length to prevent excessive voltage drop from
being unable to recharge. Please use qualified chargers and chargers,not
non-standard power adapters.In general, the battery is fully charged and takes
about 4 to 6 hours.(This data is for reference only, the actual time will be affected by
various factors and vary) .The following is a comparison table of the changes in the
battery charge icon displayed on the screen and the charging status.
LCD Status
Icon displays Full
Icon flicker Charging
Icon flicker Low power

3.Measuring

Press A button, the instrument starts to work, the screen will display Carbon dioxide
levels and comfort expressions.
USB Charging Port
Vent Table Bracket
A Button
B Button
Side
1A". When using a third-party USB cable,
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