WH46D 7-in-1 Air Quality Sensor with LCD Display, NDIR CO2 / PM1.0 / PM2.5 / PM4.0 / PM10 / Temperature / Humidity Sensor
Couldn't load pickup availability
Features
-
Built-in Display: Provides real-time data display.
-
7-in-1 Measurements: Measures CO2, PM1.0, PM2.5, PM4.0, PM10, Temperature, and Humidity.
-
CO2 Calibration Support: CO2 calibration available (recommended during DC power mode to conserve battery).
-
Dual Power Supply: Operates on both DC and battery power.
-
Unit & Display Options: Switchable between Celsius/Fahrenheit; displays air quality and CO2 concentration levels.
-
Data Update Interval:
- CO2, Humidity, and Temperature: updated every 30 seconds.
- PM values: updated every 1 minute (DC power) or 10 minutes (battery power).
-
Automatic Sensor Cleaning: Auto cleans sensor every 7 days with a fan to maintain clean sampling membrane.
-
Environmental Compensation: Automatic compensation for temperature and humidity to stabilize CO2 readings.
Comparison of different models
| Model | WH41 | WH43 | WH45 | WH46 | WH46D |
| LCD Display | √ | ||||
| CO₂ | √ | √ | √ | ||
| PM1.0 | √ | √ | |||
| PM2.5 | √ | √ | √ | √ | √ |
| PM4.0 | √ | √ | |||
| PM10 | √ | √ | √ | ||
| Temperature & Humidity | √ | √ | √ | ||
| Solar power supply | √ | ||||
| Power cord supply | √ | √ | √ | √ | √ |
| Battery backup | √ | √ | √ | √ | √ |
| Sensor ID Name | 4 CH PM2.5 | AQIN | |||
Specifications
| Model | WH46D |
| Name | CO₂ and Air Quality Monitor |
| Dimensions | 106×68×69(mm) |
| Screen Size | 63×35(mm) |
| Material of Screen | HTN |
| Material of Plastic Casing | ABS |
| Weight | 144(g) |
| Material of Plastic Casing | ABS |
| PM1.0/PM2.5/PM4.0/PM10 Mass concentration range | 0 ug/m³ to 1000 ug/m³ |
| PM1.0/PM2.5/PM4.0/PM10 Mass concentration resolution | 1 ug/m³ |
| Mass concentration precision for PM1.0 & PM2.5 | ±10ug/m³ (0 ug/m³ to 100 ug/m³); ±10 % (100 ug/m³ to 1000 ug/m³) |
| Mass concentration precision for PM4.0 & PM10 | ±25 ug/m³(0 ug/m³ to 100 ug/m³) ±25 % (100 ug/m³ to 1000 ug/m³) |
| CO₂ measuring range | 0 to 40000 ppm |
| CO₂ measurement resolution | 1 ppm |
| CO₂ measurement accuracy | ±(50 ppm + 5% of reading) when 400 to 2000 ppm |
| CO₂ Accuracy drift per year | ± (5ppm + 5% of reading) |
| Temperature Metering Range | -10°C to 60°C (14°F to 140°F) |
| Temperature Metering Resolution | 0.1°C ( 0.1°F) |
| Temperature Metering Accuracy | ±0.8°C (1.5°F) when 15°C to 35°C (59°F to 95°F); ±1.5°C (2.7°F) when -10°C to 60°C (14°F to 140°F) |
| Tempreature Accuracy drift per year | < 0.03°C |
| Humidity Metering Range | 1%RH to 99%RH |
| Humidity Metering Resolution | 1%RH |
| Humidity Metering Accuracy | ± 6%RH when 15°C to 35°C (59°F to 95°F); ± 9%RH when -10°C to 60°C (14°F to 140°F) |
| Humidity Accuracy drift per year | < 0.25%RH |
| Automatic cleanup interval | 2 days |
| Reading Update Interval | About 1 minute |
| RF Connection Frequency | 920/915/868/433MHz (depending on local regulations) |
| RF Wireless Range | Over 100 meters (in open areas) |
| Operating Temperature Range | -10°C to 50°C(14℉ to 122℉) |
| Power Supply | 2*1.5AA Batteries or USB 5V |
| Battery Life | 2 days |
Parts List
1 x WH46D Air Quality Monitor
1 x USB to Type-C Cable
1 x Manual
Compatibility Instructions
for all ecowitt network consoles
Please follow the table to make sure you choose the right sensors and concoles before check out.
Note: The "1/4/8/16" means 1 console supports 1/4/8/16 sensors
( excluding accessories )
