PROTMEX PTH Series Bedienungsanleitung
HCHO MONITOR PTH-2
USER’S MANUAL
Test Tools Pros Trust
Please read this manual carefully and take good care of it before using the product.
Features
Packing List
Thank you for purchasing PTH series formaldehyde monitor. The use of a new generation of British Dart
imported formaldehyde sensor, can effectively detect the weak formaldehyde gas in the air, avoid the human
body from formaldehyde and other harmful substances. It is suitable for formaldehyde and harmful gas
monitoring in cars, nurseries, homes, offices and other occasions.
1. PTH-2 HCHO Monitor × 1 2. 18650 Battery × 1（Built-in） 3. USB Line × 1
4. Manual × 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.
Adopt the British Dart new generation anti-interference formaldehyde sensor, the measurement is more
accurate;
Support the monitoring of TVOC harmful gases;
Temperature and humidity measurement;
LED indicator, simulation bars and comfortable emoji indicate multiple air quality levels;
Screen backlight 10 minutes automatically turn off function, one button to wake up;
Built-in Lithium battery 18650 and support long working time;
USB charging;
Support a variety of fixing methods, such as vehicle (optional vehicle bracket), table placement or rope
suspension.
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01
Operation
1. Product illustration
3. Measuring
Long press A button, the monitor starts to work, the screen will display formaldehyde, temperature, humidity
values and the simulation bar of TVOC.
In order to ensure the accuracy of the measurement data, please do not touch the instrument with your hands
during the measurement process. Please rest for at least 10 minutes to obtain a stable measurement value.
2. Charging
Front Side Back
When charging with the Micro USB that comes with the instrument, please use a power adapter with a
specification of "5V ⎓ 1A".When using a third-party USB cable, please be careful not to exceed 1m in length
to prevent excessive voltage drop from being unable to recharge. please use qualified charging cable and
chargers, not non-standard power adapters.
In general,it takes about 3 to 4 hours to fully charge the battery (this data is for reference only, the actual time
will vary due to various factors). The following is a comparison table of the battery charge icon change and
charging status displayed on the screen:
displays
LCD Status
flashes
flickers
Full
Charging
Low power
mg/m3
HCHO
%
28 58
TVOC
0
FULL
Screen
LED Indicator
Vent
A Button
Table Bracket
B Button
USB
Charging Port
02
4. Buttons
PT H-2OperationButton
Switching temperature units between ℃ & ℉
Power on / off
Backlight on-off
Backlight mode
Short
Long
Short
Long
A
B
Description:
1) In the state of the information screen, the user can wake up the backlight by pressing any key. After each
awakening, if there is no keystroke operation, the product will automatically turn off the backlight of the screen
after 10 minutes, but the indicator light still indicates the current air quality.
2) If you need to switch the backlight mode, you can press the B key for a long time. By default, the 10 minute
no-operation button turns off the backlight mode. At this time, the indicator light is the breath gradient effect,
and the backlight constant mode is the constant light mode.
6. Alert
Good Normal Bad
Whether the formaldehyde value exceeds the standard is indicated by the comfortable emoji and LED indicator,
as shown in the following table:
03
MeaningLight
GoodGreen
NormalYellow
BadRed
You can also directly judge whether the formaldehyde value exceeds the standard through the LED indicator.
The following is the comparison table of indicator light color and its meaning:
When the measured value is between 0 and 0.08 mg/m ³, the formaldehyde value belongs to the safe range;
When the measured value is at 0.08 ~ 0.1 mg/m ³, the formaldehyde value belongs to the warning range and
needs close observation;
When the measured value exceeds 0.1 mg/m ³, the formaldehyde value exceeds the standard and must be
treated with formaldehyde.
PTH-2 have TVOC indicator as below：
TVOCIndicator
not exceed
Note: That the warm-up time of the TVOC sensor is 5 minutes.
Green
Going to exceedYellow
ExceedRed
04
Specifications
The following table provides the specifications of the measurement parameters
Spec PTH-2
Formaldehyde
Tem perat ure
Humidity
TVOC
Power Supply
Indicator
Input
Size
Working Temp
Standard
0.001mg/m3
-10~40°C(±1℃); 14°F ~ 104°F (± 1°F)
20~8 0 % (±5 %RH)
18650 battery / 2400mAh
√
DC 5V⎓1A
83×83×32mm
-10°C ~ 40°C (14°F ~ 104°F)
Q/FBS J0201-2019
√
Attention
1) This product should not be dipped in water, nor should it be placed in a high temperature environment
exceeding 60 °C (140℉).
2) This product belongs to precision measuring instrument and shall not be dismantled without authorization.
3) It can not be measured in the environment of organic gas with too high concentration for a long time.
4) Before use, please turn on the instrument in fresh air for a few minutes so that the sensor can return to zero.
5) The formaldehyde sensor is an electrochemical principle and has a certain lag effect. Please do not less than
10 minutes when measuring.
6) When formaldehyde or TVOC alarm, please timely ventilation;
7) Built-in lithium battery, when measuring the air quality in the car, please do not put the formaldehyde monitor
with lithium battery in the sun;
8) When charging, due to the heating of the charging circuit and the battery, the temperature and humidity value
may be 3 ~ 5 °C (37.4℉ ~ 41℉) higher than the normal value. To obtain an accurate temperature and humidity
measurement value, please read it after the charging is completed.
05
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