EXplore 131 Compact Turbidity Sensor

Product Details:

Temperature Operating: 0C to +60C
Measuring Range 0 4000 NTU
Automation Grade Automatic
Application Online Turbidity Measurement in Water & Wastewater
Humidity 095% RH (non-condensing)
Display Type LED indicators / External Display (optional)
Power Supply 12 24 V DC
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EXplore 131 Compact Turbidity Sensor Product Specifications

Control Mode Digital
Features Compact, Maintenance-Free, Digital Output, Field Calibratable
Usage Continuous Online Turbidity Monitoring
Mounting Type Submersible / Flow Cell
Equipment Type Compact Turbidity Sensor
Resolution 0.01 NTU
Operating Voltage 12 24 V DC
Machine Weight Approximately 180g
Interface Type 4-20 mA, RS485 (MODBUS)
Power Supply 12 24 V DC
Accuracy 2% of reading
Response Time < 2 seconds
Display Type LED indicators / External Display (optional)
Application Online Turbidity Measurement in Water & Wastewater
Humidity 095% RH (non-condensing)
Temperature Operating: 0C to +60C
Automation Grade Automatic
Measuring Range 0 4000 NTU

Storage Temperature -20C to +70C
Compliance ISO 7027
Sensor Type Infrared Scattering & Absorption
Protection Class IP68 (Fully Waterproof)
Dimension Diameter 26mm, Length 167mm
Calibration Formazin, field-calibratable
Body Material 316L Stainless Steel / PVC
Cable Length Standard 5 meters (customizable)
Wavelength 860 nm

Product Description

Max. measuring range:	0-100 %
Resolution:	0,1 %
Accuracy:	1 % from measurement value
Reproducibility:	1 % from final value
Wavelength:	850 nm
Light source:	LED
Optical path length:	10 mm or 20 mm
Surface:	e-polished Ra <0,37 m
Window:	Sapphire
Supply voltage:	24 V DC
Process connection:	Thread G1/2
Process temperature:	-1090 C, 135 C max. 1 hour (SIP cycle)
Process pressure:	max. 10 bar (150 psi)
Electrical connection:	M12 connector 5-pin
Interfaces:	420 mA
Protection class:	IP69 (incl. connection cable)

Reliable Online Turbidity Measurement

EXplore 131 offers dependable and accurate turbidity measurements for water and wastewater treatment. Its infrared technology and Formazin calibration provide stable, field-calibratable results, making it suitable for continuous automatic monitoring in diverse conditions.

Robust and Versatile Design

Designed with a 316L stainless steel or PVC body, the sensor withstands harsh environments with IP68 waterproof protection. Its compact structure, customizable cable length, and simple mounting options offer versatility and ease of installation.

Advanced Digital Connectivity

Equipped with digital outputs, including 4-20 mA and RS485 MODBUS, EXplore 131 integrates effortlessly into automated systems. LED indicators and optional external display enhance usability, while rapid response time (<2 seconds) ensures timely data acquisition.

FAQ's of EXplore 131 Compact Turbidity Sensor:

Q: How does the EXplore 131 Compact Turbidity Sensor perform calibration?

A: Calibration is conducted using Formazin standard solutions and can be completed in the field to ensure accurate turbidity measurements. This process maintains compliance with ISO 7027 standards for reliable operation.

Q: What environments can the sensor be used in?

A: Thanks to its IP68 waterproof rating and wide operating temperature range (0C to +60C), the sensor is ideal for both submersible and flow cell installations in water treatment plants, wastewater facilities, and other industrial online monitoring applications.

Q: When should I choose 316L stainless steel or PVC body for the sensor?

A: The choice depends on your process requirements. Use 316L stainless steel for corrosive or demanding conditions, while PVC is suitable for less aggressive media to reduce cost and weight.

Q: Where is EXplore 131 typically installed?

A: It is commonly installed in water treatment or wastewater facilities, either submersed directly in tanks and basins or integrated into flow cells for continuous, automated online measurement.

Q: What are the sensor's main benefits for water quality monitoring?

A: EXplore 131 provides precise, real-time turbidity data with a fast response time of less than 2 seconds. It is maintenance-free, field-calibratable, and integrates smoothly into digital automation systems for efficient process control.

Q: How do I connect the sensor to my automation system?

A: The sensor supports digital interfaces such as 4-20 mA and RS485 MODBUS, allowing easy integration with a variety of data acquisition and control equipment. External display options are available for onsite visualization.

Q: What is the usage process for continuous turbidity monitoring?

A: Install the sensor using submersible or flow cell mounting, connect the power supply (12-24 V DC), calibrate with Formazin solution, and integrate with the preferred output interface. The sensor then provides automated, real-time turbidity measurements for ongoing water quality management.

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