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EXplore 131 Compact Turbidity Sensor

EXplore 131 Compact Turbidity Sensor

NIR absorption sensor in compact design

EXplore 131 is a NIR turbidity sensor for monitoring production processes in the food and beverage industries as well as in many areas of further process applications. The robust and compact design in stainless steel housing and the wear-free sapphire windows make the EXplore 131 a reliable absorption sensor with integrated amplifier. The measured values are output via the standard interface of 4…20 mA.

Your advantages

  • Compact design with integrated amplifier
  • Durable sapphire window
  • Hygienic Design, CIP/SIP-capable
  • LED light source guarantees a durable and stable signal
  • No calibration and parametrisation necessary



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 μm
Window: Sapphire
Supply voltage: 24 V DC
Process connection: Thread G1/2″
Process temperature: -10…90 °C, 135 °C max. 1 hour (SIP cycle)
Process pressure: max. 10 bar (150 psi)
Electrical connection: M12 connector 5-pin
Interfaces: 4…20 mA
Protection class: IP69 (incl. connection cable)

EXplore 131