Dissolved Carbon Dioxide Meter DCD25
Dissolved carbon dioxide (CO2) is a well‐known critical parameter in bioprocesses due to its significant impact on cell metabolism and on product quality attributes. Processes run at small‐scale faces many challenges due to limited options for modular sensors for online monitoring and control. Traditional sensors are bulky, costly, and invasive in nature and do not fit in small‐scale systems. In this study, we present the implementation of a novel, rate‐based technique for on-field measurement of CO2 in bioprocesses. The gas inside the probe was then allowed to recirculate through gas‐impermeable
tubing to a DCD25 meter.
Specification :
Concentration Range: 1×10-2 to 5×10-5 mol/L
pH range:<4
Membrane resistance: 300Ω or below 25Ω (25ºC)
Responding Time: 1×10-2 to 1×10-4 mol/L, < 4min (25ºC)
5×10-4 to 5×10-5 mol/L, < 7 min (25ºC)
Not affected by low temperature, turbidity and color of samples.
Large LCD with backlight, multiple line display, easy to read.
Precise, Real-Time Monitoring of Dissolved CO₂ with the Dissolved Carbon Dioxide Meter DCD25
Ensure optimal process control and product quality in beverages, biotechnology, and environmental applications with the Dissolved Carbon Dioxide Meter DCD25—a portable, high-accuracy instrument engineered for fast, reliable measurement of dissolved CO₂ (dCO₂) in liquids. Using advanced infrared (IR) or Severinghaus-based sensing technology, the DCD25 delivers direct, reagent-free readings in mg/L, ppm, or % saturation, making it ideal for carbonated beverage production, fermentation monitoring, and wastewater treatment.
Engineered for Speed, Accuracy, and Field Use
The DCD25 Dissolved Carbon Dioxide Meter features a rugged, IP67-rated handheld design, automatic temperature compensation (ATC), and a replaceable CO₂-specific sensor that provides stable measurements from 0.5 to 5,000 mg/L with ±2% accuracy. Its large backlit display shows real-time dCO₂, temperature, and battery status, while the one-button calibration ensures quick readiness in the lab, production line, or field.
- Measurement Range: 0.5 – 5,000 mg/L (ppm) CO₂ – Covers still water to highly carbonated soft drinks and beer.
- High Accuracy: ±2% of reading – Suitable for QC, process control, and compliance testing.
- Automatic Temperature Compensation (ATC) – Corrects for thermal effects to ensure consistent results.
- IP67 Waterproof & Dustproof – Withstands splashes, rain, and temporary submersion—ideal for wet environments.
- Fast Response Time: <30 seconds – Enables rapid spot-checks during bottling or fermentation.
- Replaceable Sensor & Long Battery Life – Field-serviceable; 500+ hours of operation on standard batteries.
Trusted Across Beverage, Biotech, and Environmental Sectors
Dissolved CO₂ directly impacts taste, shelf life, foam stability, and microbial safety. The DCD25 empowers users to:
Optimize carbonation levels in soft drinks, beer, and sparkling water
Monitor CO₂ off-gas in bioreactors and fermentation tanks
Assess carbonate equilibrium in wastewater and natural waters
Validate deaeration processes in boiler feedwater
Whether you’re a brewer, process engineer, or environmental technician, the Dissolved Carbon Dioxide Meter DCD25 delivers the precision and portability needed for confident, real-time decision-making.
Measure dissolved CO₂—accurately, instantly, and anywhere.
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