Pinhaijing DM72B Air Quality Monitor User Manual

Pinhaijing DM72B Air Quality Monitor

Product Specifications

Display method: 4.3″ LCD screen display, 480X270 pixels Atmospheric pressure: 86Kpa – 106Kpa
Detection method for CO2: lnfrared ( NDIR)
Detection method for PM: Laser Scattering
Sampling time: 1.5 seconds
Product Size: 145 x 78 x 97 .2mm
Detection temperature: -rn•c to 50″C;
Relativa humidity: 20% – 85%
Storage temperature: -10 ° C to 60° C;
Concentration unit for CO2: PPM
Concentration unit for PM: ug/m 3
Concentration unit tor HCHO and TVOC: mg/m 3
Power source: Lithium battery with 3000 mAh capacity; 5V DC power charging via micro USB port
Product weight: 235g

Product Description

This product is a multifunctional air quality monitor that detects Carbon dioxide (CO2),Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Particulate Matter <2 .5 micron-sized parti cl es (PM2.5/1.0/10), Temperature, and Humidity with clock and record function. As a scientific air quality detection device, it combines multiple air sensors with a built-in fan to allow real-time monitoring of Carbon dioxide (CO2), formalde-hyde (HCHO), total volalile organic compounds (TVOC), PM2.5/1.0/10, temperature, and humidity on its digital LCD display.

Considerations

• Please read the instructions carefully before using this device.
• Please let the device work short mins outdoors before use for most accurate results .
• Please keep the manual handy for quick reference and troubleshooting.

Precautions

• Avoid covering the air intake areas during use to avoid inaccurate measurements.
• Avoid use of solvents to clean the product as residual fumes will skew air quality readings.
• Avoid water or other liquids near the product to avoid electrical damage.
• Do not allow unauthorized modification or repair of this product.

Features:

• 4.3″ color liquid crystal display (LCD), 480X270 pixels
• Test variables: Carbon dioxide (CO2), PM2.5/1.0/10, formaldehyde, TVOC, temperature, humidity
• Large 3000mAh capacity Lithium battery
• On-board fan to draw in ambient air for more accurate real-time results
• 5V Micro USB charging
• Low battery warning

instructions

1. Start Up
   When you long-press the center power button, the air quality monitor will boot up. Detector will proceed through its warm-up sequence for about 3 minutes to allow sensors to preheat and fan to draw in fresh ambient air. This is necessary for accurate results

2. Power/ OK / Menu Button, used to confirm highlighted options or to turn device on/off by pressing for 3 seconds.

3. Down / Switch / Decrease Button, used to scroll between interfaces

4. Up/ Switch / increase Button, used to scroll between interfaces

5. Micro USB charging Port

6. Switching Among Data Display Formats ( Figure 1-5 )
   Press the up or down buttons to switch among data display formats (figures 1-5) that displays air quality readings in various formats:

7. Set up (Figure 6)
   Double press Power button to enter the Set up screen.
   DATE: Change the date by using the up and down button. Confirm eacll setting with one press on the on/off button.
   TIME: Change the time by using the up and down button and by confirming with the on/off button.
   UNIT: Change the temperature unit between Celcius (° C) or Fahrenheit (° F).
   Buzzer: use up/down buttons to select whether to turn the alarm buzzer on /off .

8. About Charging
   When low battery icon is displayed, the device needs to be charged. Insert the included or another compatible micro USB charging cable into the device. Attach the other end to a USB DC charger (such as a smart phone charger) that outputs DC 5V at >=1000mA. Fully charge for at least 2-3 hours before use. Avoid charging with a USB computer port which only outputs 500mA.

9. History ( Figure 3,Figure 5 )
   Graph shows the last 5 data values for PM2.5, Formalde-hyde and taken every 10 minutes over the previous 50 minutes.

10. Alarm Threshold
    Default factory value alarm threshold levels for HCHO: 0.1 mg/m3. when reach 0.1 mg/m3 , Device alarm sounds. HCHO (formaldehyde) ideal range: <=0.10 mg/m3
    lf the alarm sounds noisy, you can turn it off. please read page 7 about how to set the ” Buzzer R.

Fonnaldehyde

Lee.e than  0.100:eafety **range**

0. 101-0.200:Slight pollution

0.201-0.300:Moderate pollution

0.301 Of rn0te.haavy pollub)II

| Air Quality Level

ExceUent

| PM2.5(ug/m ) Average Standerd Value

0~35

GOOd| 36-75
TVOC

Less than 0.600: safety range

Achieve 0.601 or more: Exceeding the

standard can cause respiratory system Abnormal, inflamed, cancerous, etc.

| Light pollution| 76-115
Moderate polution

f **– H e e v ‘ , — – p ‘ ****o 1 1 u u · o n**

– +

Serious pdlution

| 11 a-150

1s1-2_s_o – � more than 250

C02 Air Quality Grade Range

| | Air quality level| CO2 average standard value ( PPM)
---|---
Excellent| 1000
Good| 1001 – 3000
Poor| 3001-5000

6. AQI (Air quality   index)
   Green Color (Good): 0-50 Yellow Color
   (Slight):  51-100 Red
   Color  (Moderate): 101-200
   Purple Color  (Serious ):  201-500
   

Measuring principle: Electrochemistry Measurement range: 0.000-1.999mg/m 3 Resolution: 0.001 mg/m•

TVOC Specifications:

Measuring principle: Semiconductor Measuring range : 0.000-9.999mg/m 3 Resolution: 0.001 mg/rn3

Temperature and Humidity Technica! Indicators Measuring range: -10-50 • C

Measurement  accuracy:   ±1 •c

Humidity range: 20%-85% RH Measurement accuracy: ±4% RH

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