Datasheet PM2105L (Cubic) - 4

Specifications Laser Particle Sensor Specification
Operating principle Laser scattering Measured particle range 0.3μm ~ 10μm Measurement range 0~1000μg/m³ Resolution 1μg/m³ Working condition -10°C ~ 60°C, 0-95%RH (non-condensing) Storage condition -40°C ~ 80°C, 0-95%RH (non-condensing) 0 ~100μg/m³, ±10μg/m³ >100μg/m³, ±10% of reading Measurement accuracy for Condition: 25±2℃, 50±10%RH, PM1.0&PM2.5 Reference instrument: GRIMM, Dust source: Cigarette 0 ~100μg/m³, ±30μg/m³ 101 ~1000μg/m³, ±30% of reading Measurement accuracy for PM10 Condition: 25±2℃, 50±10%RH, Reference instrument: GRIMM Dust source: Cigarette Response time 1sec Time to first reliable reading 4 sec DC 5V±0.1V Power supply Ripple wave＜50 mV Working current <53 mA Standby current <5 mA Dimensions 42×35×23.7 mm UART_TTL_3.3V(default) Digital output 1 (default) I2C_3.3V/5V(default) Digital output 2 PWM (customized) Default by active output after powering on, sampling time interval should be Output method over 1,000 ms MTTF 37,297 hrs (continuous operation) www.en.gassensor.com.cn 3/19 Document Outline Description Features Working Principle Specifications Dimensions and Connector 1.Dimensions (Unit mm, tolerance ±0.2 mm) Typical Application Circuit Case 1.UART3.3V Application Product Installation User Attention UART Communication Protocol 1. General Statement 2.Format of Serial Communication Protocol 3.Command Table of Serial Protocol Note: Example: 4.3 Set up and Read Particle Calibrated Coefficien Note: Description: 4.4 Close/Open Laser Diode Note: Note: Example: Note: Example: I²C Communication Protocol 1. Brief Introduction 2. Communication Common Description 3. Protocol Detailed Description 3.1Send Command Data 3.2Read Command Data Packing Information