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PMS7003

Update: 16-11-24 17:39       View:
  • Brand:  Plantower
  • unit pcs
  • Price: 150RMB
  • Promotion:140RMB
Introduction
  
Product Introduction

PMS7003 is a kind of digital and universal particle concentration sensor, which can be used to obtain the number of suspended particles in the air, i.e. the concentration of particles, and output them in the form of digital interface. This sensor can be inserted into variable instruments related to the concentration of suspended particles in the air or other environmental improvement equipments to provide correct concentration data in time.

Feature Application
  •  Advantage
  • Laser based Measure Method
  • Zero mistake
  • Real time and continue test
  • Reselution : 0.3μm
  • Small Size
  • Air purifier
  • Particle instrument
  • Ventilation system
  • Smart Home
  • Envirnoment monitor
Block
Technique Table
Parm. Performance Unit or Note

Measure Range

0.3~1.0;1.0~2.5;2.5~10 Micro meter(μm)

Counting Efficiency

50%@0.3um 98%@>=0.5 um  

Measure volumn

0.1 Litre(L)

Response time

≤10 Second(s)

Effective range

0~500 ug/m3
Full range 0~2000 ug/m3

Output Resolution

1 ug/m3

Maximum Consistency Error
(PM2.5 standard data)*

±10%@100~500μ g/m³
±10μ g/m³@0~100μ g/m³
 

DC Power Supply

Typ:5.0 Min:4.5 Max: 5.5 Volt(V)

Active Current

≤100 Milliampere(mA)

Standby Current

≤200 Microampere(μ A)

Interface Level

L <0.8 @3.3 H >2.7@3.3 Volt(V)

Working Temperature Range

-10~+60

Working Humidity Range

0~99%  
Storage Temperature Range -40~+80

MTTF

≥3 Year(Y)

Demension

50×43×21 Millimeter(mm)
Note 1: Maximum range means that the highest output value of the PM2.5 standard
data is not less than 1000.
Note 2:“PM2.5 standard data” is the “data2” in the appendix.
Partno. definition:
Pin Definition
Index Function Description
PIN1 VCC Positive power 5V
PIN2 VCC Positive power 5V
PIN3 GND Negative power
PIN4 GND Negative power
PIN5 RESET Module reset signal /TTL level@3.3V,low
reset.
PIN6 NC  
PIN7 RX Serial port receiving pin/TTL level@3.3V
PIN8 NC  
PIN9 TX Serial port sending pin/TTL level@3.3V
PIN10 SET

Set pin /TTL level@3.3V
High Level or suspending is normaol mode,
While low level is sleep mode

Output result
Mainly output is mass concentration and the unit is μ g/m³.
There are two options for digital output: passive and active. Default mode
is active after power up. In this mode sensor would send serial data to the
host automatically .The active mode is divided into two sub-modes: stable
mode and fast mode. If the concentration change is small the sensor
would run at stable mode with the real interval of 2.3s.And if the change is
big the sensor would be changed to fast mode automatically with the
interval of 200~800ms, the higher of the concentration, the shorter of the
interval.
Typical Circuit
Circuit Attentions

1) DC 5V power supply is needed because the FAN should be driven by 5V.
But the high level of data pin is 3.3V. Level conversion unit should be
used if the power of host MCU is 5V.
2) The SET and RESET pins are pulled up inside so they should not be
connected if without usage.
3) Stable data should be got at least 30 seconds after the sensor wakeup
from the sleep mode because of the fan’s performance.

 

Installation Attentions
1) Metal shell is connected to the GND so be careful not to let it shorted with
the other parts of circuit except GND.
2) The best way of install is making the plane of inset closely to the plane of
the host. Or some shield should be placed between inset and outset in
order to prevent the air flow from inner loop.
3) The blowhole in the shell of the host should not be smaller than the inset.
4) The sensor should not be installed in the air flow way of the air cleaner or
should be shielded by some structure.
5) The sensor should be installed at least 20cm higher than the grand in
order to prevent it from blocking by the floc dust.
6) Do not break up the sensor.
Typical Output Characteristic
Definition of axis Y: PM2.5 concentration , unit: μ g/m³
Definition of axis X: number of samples, unit: time

Figure 4-1 Consistency at 20℃

Figure 4-2 Consistency at 43℃

Figure 4-2 Consistency at -5℃

Figure 4-4 Consistency after 30 days’ running

Relationship of Temperature and Consistency
Definition of axis Y: Maximum Error Modulus(%)
Definition of axis X: Temperature(℃)

 
Physical Size(mm)

 

Endurance Characteristics
No Item Test Method Characteristics N
C
1 Long Running 1. 10 ㎡ closed Lab,,20~25℃,
humidity 30%~70%,particle
generator and air cleaner
2. DC 5V power supply
3. Check consistency after 720
hours’ running
10 samples during
0~500μ g/m³
0~100μ g/m³
Maximum Error≤
±15μ g/m³
100~500μ g/m³
Maximum Error≤
±15%
FAN does not
screeched
n=30
C=0
2 High
Temperature
Operation
1. 10 ㎡ constant temperature Lab
2. 43℃,humidity 70%,
3. particle generator and air
cleaner
4. DC 5V power supply
5. Check consistency
n=10
C=0
3 Cold
Operation
1. 10 ㎡ constant temperature Lab
2. -5℃,humidity 30%,
3. particle generator and air
cleaner
4. DC 5V power supply
5. Check consistency
n=10
C=0
4 Vibration 1. 10 ㎡ closed Lab,,20℃,humidity
50%,particle generator and air
cleaner
2. DC 5V power supply and check
consistency
3. Frequency:50Hz。
4. acceleration:9.8/ S²。
5. Direction:X、Y、Z
6. Vibration Amplitude:±2mm。
7. Time:X、Y、Z –way, Per 1 hour
n=5
C=0
5 High
Temperature
and Humidity
Storage
1. Constant temperature cabinet
2. 70℃,humidity 90%~95,
3. Check consistency after 500
hours’ storage

10 samples during
0~500μ g/m³
0~100μ g/m³
Maximum Error≤
±10μ g/m³
100~500μ g/m³
Maximum Error≤
±10%
FAN does not
screeched

 

n=10
C=0
6 Cold Storage 1. Constant temperature cabinet
2. -30℃,humidity 90%~95,
3. Check consistency after 500
hours’ storage
n=10
C=0
7 Variation of Power Supply

1. 10 ㎡ closed Lab,,20℃,humidity50%,particle generator and air cleaner
2. Power varies as the cycles of 4.5V
to 5.5V ,then 5.5V to 4.5V with
the pace of 0.1V/min for 2 hours.
3. Check consistency during
Variation

n=5
c=0

8 Power On-Off
Cycle
1. 10 ㎡ closed Lab,,20℃,humidity
50%,particle generator and air
cleaner
2. DC 5V power supply,keep On-Off
frequency 0.5Hz for 72 hours and
check consistency
n=10
C=0
9 Sleep Set
On-Off
Cycle
1. 10 ㎡ closed Lab,,20℃,humidity
50%,particle generator and air
cleaner
2. DC 5V power supply,keep Sleep
Set Pin High-Low frequency 0.5Hz
for 72 hours and check
consistency
n=10
C=0
10 Laser On-Off
Cycle
1. 10 ㎡ closed Lab,,20℃,humidity
50%,particle generator and air
cleaner
2. keep laser On-Off frequency
50Hz for 240 hours and check
consistency
n=10
C=0
11 Salt Spray 5% industrial salt water, hydrolysis
spray 100 hours, clean with
purified water and store for 48
hours
No rust and
discoloration of
metal parts
n=10
C=0
Attention
1) Only the consistency of all the PM sensors of PLANTOWER is promised
and ensured. And the sensor should not be checked with any third party
equipment.
2) The sensor is usually used in the common indoor environment. So some
protection must be added if using in the conditions as followed:
a) The time of concentration ≥300μ g/m³ is longer than 50% of the
whole year or concentration≥500μ g/m³ is longer than20% of the
whole year.
b) Kitchen
c) Water mist condition such as bathroom or hot spring.
d) outdoor

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