Use the sensor to detect PM2.5 that is invisible to the eye.
Output numerical value of mass-density (ug/m3) by high-accuracy concentration conversion algilithm, and possible to visualized IAQ (indoor air quality)
Output numerical value of mass-density (ug/m3) by high-accuracy concentration conversion algilithm, and possible to visualized IAQ (indoor air quality)
High-accuracy numerical indication of mass-density
Product line up of LED and laser type
Application
- Visualization of the air cleaning function of air purifiers and air-conditioners
- Indoor Air Quality (IAQ) monitoring for HEMS, BEMS, and other fields
※HEMS:Home Energy Management System
BEMS:Building Energy Management System
Application
Visualization of the air cleaning functionality of the air purifier

Visualization of the air cleaning functionality of the air-conditioner

Applicable field
Air environmental monitoring in the field of HEMS (Home Energy Management System)

Air environmental monitoring in the field of BEMS (Building Energy Management System)

Product Lineup
By utilizing the optical design technology, fostered in the field of photo-images, new products (devices) for a PM2.5 sensor, LED type, new LED type, laser type, have been lined up.
SN-GCHA1 | SN-GCJA6 | SN-GCJA5 | ||
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Appearance | ![]() |
![]() Mass production started in Feb. 2021 |
![]() |
|
Type | LED type | LED type | Laser type | |
Detectable Objects & Accuracy |
PM1.0 | - | - | Measurable |
PM2.5 | 35~300μg/m3 : ±20% | 35~100μg/m3 : ±15μg/m3 100~600μg/m3 : ±15% |
35~1000μg/m3 : ±10% | |
PM10 | - | - | ±10% | |
Pollen | × | × | × | |
Concentration range | 1~300μg/m3 | 1~600μg/m3 | 1~1000μg/m3 | |
Operating life (accuracy continuation period) |
7 years | 7 years | 5 years | |
Size (width, depth, height) | 45×22×52mm | 30×28×30mm | 37×37×12mm | |
Output format | I2C | UART&I2C | UART&I2C | |
Airflow control | Heater resistance type | Heater resistance type | DC fan motor | |
Maintenance (lens cleaning) | Required | Not required | Not required |
SN-GCHA1 | ||
---|---|---|
Appearance | ![]() |
|
Type | LED type | |
Detectable Objects & Accuracy |
PM1.0 | - |
PM2.5 | 35~300μg/m3 : ±20% | |
PM10 | - | |
Pollen | × | |
Concentration range | 1~300μg/m3 | |
Operating life (accuracy continuation period) |
7 years | |
Size (width, depth, height) | 45×22×52mm | |
Output format | I2C | |
Airflow control | Heater resistance type | |
Maintenance (lens cleaning) | Required |
SN-GCJA6 | ||
---|---|---|
Appearance | ![]() Mass production started in Feb. 2021 |
|
Type | LED type | |
Detectable Objects & Accuracy |
PM1.0 | - |
PM2.5 | 35~100μg/m3 : ±15μg/m3 100~600μg/m3 : ±15% |
|
PM10 | - | |
Pollen | × | |
Concentration range | 1~600μg/m3 | |
Operating life (accuracy continuation period) |
7 years | |
Size (width, depth, height) | 30×28×30mm | |
Output format | UART&I2C | |
Airflow control | Heater resistance type | |
Maintenance (lens cleaning) | Not required |
SN-GCJA5 | ||
---|---|---|
Appearance | ![]() |
|
Type | Laser type | |
Detectable Objects & Accuracy |
PM1.0 | Measurable |
PM2.5 | 35~1000μg/m3 : ±10% | |
PM10 | ±10% | |
Pollen | × | |
Concentration range | 1~1000μg/m3 | |
Operating life (accuracy continuation period) |
5 years | |
Size (width, depth, height) | 37×37×12mm | |
Output format | UART&I2C | |
Airflow control | DC fan motor | |
Maintenance (lens cleaning) | Not required |