PP Systems

WMA-5 CO2 Gas Analyzer

Soil & CropsPhotosynthesis Chlorophyll & Respiration

The WMA-5 is our 5^th generation CO₂ gas analyzer designed for applications that demand a high degree of accuracy and control with minimal maintenance. The design of the WMA-5 ensures inherent calibration stability that has been confirmed by over 35 years of experience in gas analysis technology.

Quantity

Overview

High precision, compact, non-dispersive infrared gas analyzer for CO₂
Accuracy: <1 % of span concentration over calibrated range
CO₂ ranges up to 100000 ppm (10%)
Automatic pressure and temperature compensation
Numeric and graphical display of data
Convenient data storage and transfer using USB flash drive
Operation from AC and DC power inputs
Large touch display with excellent readability
Built-in sampling pump and electronic flow sensor
Voltage, current and digital output
External water trap
High resolution electronic paper touch display
Visual and audible alarm/warnings (high and low CO₂)
Rugged IP65 enclosure
Optional H2O sensor (Solid state)
Optional O2 sensor (Electrochemical cell)
Optional WiFi

Specification

Analysis Method	Non-dispersive infrared, configured as an absolute absorptiometer with microprocessor control of linearization
Accuracy	< 1% of span concentration over the calibrated range but limited by the accuracy of the calibration mixture
Linearity	< 1% throughout the range
Stability	Auto-Zero at regular intervals corrects for sample cell contamination, source and detector aging and changes in electronics.
Warm-up Time	Approximately 15 minutes
Sampling Rate	10 Hz. Sample data is averaged and output every 1.0 seconds