EXspect 271 NIR backscattering sensor in compact design

Product Details:

Equipment Type NIR Backscattering Sensor
Measuring Range 0 to 100% backscattering (configurable for application)
Resolution 0.01% backscattering
Response Time <1 second
Temperature Process: 0 to +90 C (optionally up to 130 C for sterilization)
Max Height approx. 110 mm (sensor body length)
Accuracy 1% of full scale (application dependent)
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EXspect 271 NIR backscattering sensor in compact design Product Specifications

Temperature Process: 0 to +90 C (optionally up to 130 C for sterilization)
Display Type LED indicators (optional external display unit)
Humidity Max. 95% RH, non-condensing
Features Compact design, hygienic process connection, maintenance-free optical window
Control Mode Automatic continuous measurement
Application Inline turbidity, concentration and phase separation measurement in liquids
Power Supply 24 V DC 10%
Max Height approx. 110 mm (sensor body length)
Machine Weight approx. 1.5 kg
Operating Voltage 24 V DC
Mounting Type Inline (in-pipe or vessel wall mounting)
Resolution 0.01% backscattering
Response Time <1 second
Usage Process analytics, concentration and turbidity monitoring
Accuracy 1% of full scale (application dependent)
Equipment Type NIR Backscattering Sensor
Port Size G 1/2 hygienic connection (various adapters available)
Automation Grade Automatic continuous monitoring
Interface Type 4...20 mA analog, Modbus RTU (RS485), digital output
Measuring Range 0 to 100% backscattering (configurable for application)

Ambient Temperature -10 to +60C
Output Signal Analog 4...20 mA, digital Modbus RTU
Cleaning CIP/SIP compatible, maintenance-free operation
Protection Class IP69K (suitable for wash-down environments)
Typical Applications Dairies, breweries, beverage industry, chemical and pharmaceutical production
Wetted Parts Material Stainless steel, sapphire
Light Source LED, near infrared (NIR)
Material Sensor Head Stainless steel 1.4404 (AISI 316L)
Calibration Factory calibrated, field calibration possible via software
Power Consumption <3 W
Software Support Parameterization and calibration via PC software
Optical Window Material Sapphire (robust and chemically resistant)

Product Description

Measuring range max.	0-100 %
Resolution	0,1 %
Accuracy	1,5 % from measurement value
Reproducibility	1 % from final value
Wavelength	850 nm
Light source	LED
Material	Stainless steel 1.4435 (316L)
Surface	e-polished Ra <0,37 m
Lens	Sapphire
Supply voltage	24 V DC
Contact	NO or NC configurable 150 mA
Input contact	zeroing
Process connection	Thread G1/2
Process temperature	0 90 C, 141 C max. 2 hours (SIP cycle)
Process pressure	max. 16 bar (235 psi)
Electrical connection	M12 connector 5-pin or 8-pin (digital parameterizable)
Cable length	2 m / 5 m
Interfaces	4 20 mA with add. switching contact
Parameterization	Software EXpert
Protection class	IP69

High-Precision Inline Liquid Analysis

EXspect 271 delivers accurate, real-time monitoring of turbidity and concentration directly within your processes. Its measurement range from 0 to 100% backscattering, with resolution down to 0.01%, ensures precise analytics for process control and quality assurance in various industrial environments.

Robust and Hygienic Construction for Demanding Applications

Engineered with stainless steel (AISI 316L) and sapphire wetted parts, the sensor withstands aggressive cleaning regimes, extreme temperatures, and corrosive conditions. IP69K protection and CIP/SIP compatibility make it ideal for food, beverage, chemical, and pharmaceutical production.

Effortless Installation and Continuous Operation

The compact, maintenance-free sensor mounts easily in pipes or vessel walls, offering automatic, continuous monitoring with a quick response time (<1 second). Its low power consumption and versatile output interfaces ensure reliable integration into modern process control systems.

FAQ's of EXspect 271 NIR backscattering sensor in compact design:

Q: How is the EXspect 271 NIR backscattering sensor installed in a process line?

A: This sensor is designed for inline mounting, fitting directly into pipes or vessel walls using its G 1/2 hygienic connection. Various adapters are available, making installation flexible and straightforward for diverse plant configurations.

Q: What applications can benefit from using the EXspect 271 sensor?

A: Ideal for dairies, breweries, beverage manufacturing, and chemical or pharmaceutical production, this sensor provides accurate turbidity, concentration, and phase separation measurements, supporting process analytics and high-quality production standards.

Q: When should the sensor be cleaned, and what cleaning methods are compatible?

A: The sensor window is maintenance-free and designed for compatibility with CIP (Cleaning-In-Place) and SIP (Sterilization-In-Place) procedures. Routine cleaning follows standard plant practices, helping maintain reliable, long-term operation without manual intervention.

Q: Where does the sensor perform optimally regarding temperature and humidity?

A: It functions within ambient temperatures of -10 to +60C and process temperatures up to 90C (optionally 130C for sterilization). Its design tolerates up to 95% relative humidity (non-condensing), making it suitable for demanding industrial environments.

Q: How does field calibration and parameterization work with the EXspect 271?

A: The sensor is factory calibrated for immediate use but supports field calibration for environment-specific tuning via PC software. This allows convenient adjustments for different process requirements through a digital interface.

Q: What are the main benefits of using the EXspect 271 sensor in automated processes?

A: Users gain reliable, continuous turbidity and concentration monitoring with high accuracy (1% full scale). Its robust, hygienic design and maintenance-free operation reduce downtime, while versatile digital and analog outputs enable streamlined process automation and data management.

Q: What output signals and interface options does the EXspect 271 provide for system integration?

A: This sensor features analog (4-20 mA) and digital (Modbus RTU, RS485) outputs, along with optional LED indicators or external display units, ensuring seamless integration with modern PLCs and SCADA systems for real-time process control.

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