EXcell 231 NIR Biomass Sensor 12mm

Product Details:

Equipment Type NIR Biomass Sensor
Power Supply 12 to 24 VDC (External)
Automation Grade Automatic
Accuracy 3% of reading
Mounting Type Inline/Immersion
Temperature 0C to 45C
Application Biomass measurement in bioreactors and fermenters
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EXcell 231 NIR Biomass Sensor 12mm Product Specifications

Power Supply 12 to 24 VDC (External)
Equipment Type NIR Biomass Sensor
Automation Grade Automatic
Usage Real-time biomass monitoring in liquid samples
Accuracy 3% of reading
Mounting Type Inline/Immersion
Temperature 0C to 45C
Test Width 12mm
Application Biomass measurement in bioreactors and fermenters
Port Size M12
Machine Weight Approx. 50g
Interface Type RS485 (MODBUS RTU)
Response Time <1 second
Resolution 0.01 OD (Optical Density)
Operating Voltage 12 to 24 VDC
Measuring Range 0.1 to 250 g/L (biomass concentration)
Features Compact design, real-time measurement, autoclavable sensor tip
Display Type LED Status Indicator
Humidity Max. 95% RH (non-condensing)

Protection Class IP67
Storage Temperature -10C to 50C
Sensor Material Stainless steel / Sapphire optical window
Output Signal 4-20 mA optional
Wavelength Range NIR (850 nm)
Calibration Factory calibrated, field calibration possible
Cable Length 2 meters (custom lengths available)
Sampling Type Non-destructive, inline continuous
Sensor Diameter 12mm
Sterilizability Autoclavable and CIP compatible
Sensor Length 120mm
Compatible Media Aqueous media, cell cultures, fermentation broth

Product Description

Measuring range	06 AU, 06600 EBC
Resolution	0,01 AU
Accuracy	1 %
Reproducibility	1 % from final value
Wave length	850 nm
Light source	LED
Optical path length	5 / 10 / 20 mm
Shaft length (mm)	120 / 225 / 325 / 425
Wetted material	stainless steel 1.4435 (316L)
Surface	Ra <0.37 m e-polished
Measuring window	sapphire
Process connection	thread PG13,5
Process temperature	090 C
Process pressure	max. 10 bar (150 psi)
Electrical coonection	Fischer Core Series
Cable length	2 m / 5 m
Interfaces	USB, RS485 Modbus, 020 mA with switching output
Protection class	IP68

Robust Construction for Demanding Environments

Designed with a stainless steel body and a sapphire optical window, the EXcell 231 NIR Biomass Sensor ensures durability and chemical resistance. Its IP67 protection rating makes it suitable for harsh and wet process conditions typically found in fermentation and bioreactor applications. The sensor is sterilizable via autoclaving or CIP processes, supporting high standards of hygiene and reliability in laboratory and industrial settings.

Easy Integration and Real-Time Monitoring

Offering inline, non-destructive measurement, the sensor allows continuous monitoring of biomass concentration directly in the liquid media. Its compact form factor and M12 port support straightforward installation, while the optional 4-20 mA output and RS485 (MODBUS RTU) interface facilitate integration with external data acquisition systems. This enables automated and precise process control in bio-production environments.

Accurate, Calibrated Performance

Factory calibration ensures reliable operation from the start, with optional field calibration available for adaptivity in process settings. With a resolution of 0.01 OD and 3% accuracy, operators can trust the sensor for consistent data. The LED status indicator provides quick visual feedback, streamlining the monitoring and maintenance processes.

FAQ's of EXcell 231 NIR Biomass Sensor 12mm:

Q: How is the EXcell 231 NIR Biomass Sensor installed for real-time monitoring?

A: The sensor is designed for inline or immersion mounting into bioreactors and fermenters. Its compact 12mm diameter and M12 port enable easy integration with existing process equipment for real-time biomass monitoring in liquid samples.

Q: What types of media can the EXcell 231 NIR Biomass Sensor measure?

A: This sensor works effectively with aqueous media, cell cultures, and fermentation broth, making it suitable for a variety of laboratory and industrial applications in biotechnology and bioprocess engineering.

Q: When should the sensor be recalibrated in the field?

A: While the EXcell 231 NIR Biomass Sensor is factory calibrated for immediate use, field calibration may be performed periodically or after significant process changes to ensure optimal accuracy and adapt to specific application needs.

Q: Where can the sensor be used regarding sterilization and hygiene requirements?

A: With autoclavable and CIP-compatible design, the sensor meets stringent sterilization demands and can be used in environments requiring rigorous hygiene, such as pharmaceutical, research, and food industry bioprocesses.

Q: What is the measurement range and resolution of the sensor?

A: The sensor measures biomass concentrations within a range of 0.1 to 250 g/L, offering a resolution of 0.01 Optical Density (OD), and provides accurate readings with a deviation of 3%.

Q: How does continuous, non-destructive sampling benefit the process?

A: Inline, non-destructive sampling ensures uninterrupted and accurate monitoring without affecting the sample integrity or process flow, supporting efficient automation and quality control in biomass cultivation.

Q: What are the advantages of real-time biomass monitoring with this sensor?

A: Real-time data collection enables rapid responses to changes in biomass levels, optimizing yield and ensuring process consistency. It enhances automation in bioproduction, reduces human intervention, and supports better process control.

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