NIR turbidity sensor EXplore 131

compact4-20mA

Product overview
EXplore 131 is a NIR turbidity sensor designed for monitoring production processes in the food & beverage industry and other process applications. The compact stainless steel housing and wear-free sapphire windows provide a robust absorption sensor with integrated amplifier. Measurement output is via the standard 4...20 mA interface.

Your advantages

• Compact design with integrated amplifier
• Wear-resistant sapphire window
• Hygienic design, CIP/SIP-capable
• LED light source for stable long-term signal
• No calibration or parametrisation required
• Variants available to EHEDG / 3-A standards

Applications

• Reliable phase separation monitoring
• Filter monitoring
• Detection of product in water streams
• Color-independent concentration measurement
• Monitoring of cleaning processes

Configuration options

• Measuring range: 0...100 % Absorption
• Optical path length: 5 mm, 10 mm or 20 mm
• Wetted material: Stainless steel 1.4435 / 316L
• Wetted sealing: without elastomer sealing
• Process connections: Thread G1/2″ (metallic sealing); Varivent N DN40-125 (EHEDG/3A); Tri-Clamp 1.5″ (EHEDG/3A); Tri-Clamp 2″ (EHEDG/3A)
• Interface: Analogue 4...20 mA

Technical specifications

• Max. measuring range: 0–100 %
• Resolution: 0.1 %
• Accuracy: ± 1 % of final value
• Reproducibility: ≤ 1 % of final value
• Wavelength: 850 nm
• Light source: LED
• Optical path length: 5, 10 or 20 mm
• Surface finish: Ra <0.37 μm
• Window material: Sapphire
• Supply voltage: 24 V DC
• Process connection: Thread G1/2″ (metallic sealing)
• Process temperature: -10...90 °C, 135 °C max. 1 hour (SIP cycle)
• Process pressure: max. 16 bar (232 psi)
• Electrical connection: M12 connector, 5-pin
• Interfaces: 4...20 mA
• Protection class: IP69 (including connection cable)