ZG09SR

Manufacturer:: ZyTemp

ZyTemp ZG09SR NDIR CO₂ Sensor

Specifications

Product Introduction

The ZG09SR carbon dioxide module is a high-performance NDIR CO2 sensor module designed for indoor air quality monitoring and HVAC applications. It utilizes dual-beam NDIR technology to provide accurate and stable CO2 concentration measurements over a wide range. The module supports multiple communication interfaces including UART, RS485, and I²C, making it versatile for various integration scenarios. With a measurement range of 0 to 10,000 ppm and a fast response time, the ZG09SR is suitable for demanding environmental monitoring applications.

Features

  • Dual-beam NDIR sensor technology
  • Measurement range from 0 to 10,000 ppm
  • Supports UART, RS485, and I²C communication interfaces
  • Compatible with both diffusion and flow-through gas sampling methods
  • Measurement cycle of 2 seconds
  • High accuracy of ±(50ppm + 3% of reading)
  • Low RMS noise of <10ppm at 400ppm and <20ppm at 1,000ppm
  • 1 ppm resolution
  • Fast warm-up time of 30 seconds at 25°C
  • Wide operating temperature range of 0 to 50°C
  • Operating humidity range of 0-95% RH

Applications

  • Indoor air quality monitoring
  • HVAC systems and building automation
  • Greenhouse and agricultural environmental control
  • Parking garage ventilation control
  • Industrial safety and process monitoring
  • Smart home and IoT environmental sensing

Specifications Table

CO2 Measurement Range 0-10,000 ppm
Measurement Cycle 2 seconds
CO2 Accuracy ±(50ppm + 3% of reading)
CO2 RMS Noise <10ppm at 400ppm, <20ppm at 1,000ppm
CO2 Repeatability ±20ppm
Response Time Approximately 1 minute (90% of final value, diffusion type)
Atmospheric Pressure Influence 0.13% reading change per mmHg
Warm-up Time (Cold Start) 30 seconds at 25°C
Supply Voltage 5 Vdc
Current Consumption (Max) <200 mA (0.8 ms capture test), average <35 mA
Current Consumption (Lamp Off) <10 mA
Operating Temperature 0 to 50°C (calibrated temperature range)
Operating Humidity 0-95% RH
Dimensions 32.2 mm

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