NIR Backscatter Turbidity Sensor

The EXspect 171 is a compact near-infrared (NIR) turbidity sensor designed for process monitoring in the food industry, such as dairy production, as well as various other medium to high turbidity applications.

Product Features

1. Compact design with integrated amplifier
2. Durable sapphire lens
3. Hygienic design supporting CIP/SIP cleaning
4. LED light source ensures stable and long-lasting signal output
5. No calibration or parameter adjustment required
6. Versions available compliant with EHEDG / 3-A standards

Downloads

EXspect 171 Specification Sheet

Specifications

Measuring range (max): 0–100%
Resolution: 0.1%
Accuracy: ±1.5% (of measured value)
Repeatability: ≤ 1% of final value
Wavelength: 850 nm
Light source: LED
Material: Stainless steel 1.4435 (316L)
Surface roughness: Ra < 0.37 μm
Lens material: Sapphire
Supply voltage: 24 V DC
Process connection: G1/2" thread
Process temperature: -10 to 100°C, up to 135°C (SIP cleaning cycle, max. 2 hours)
Process pressure: 0 to 20 bar
Electrical connection: M12 5-pin connector
Communication interface: 4...20 mA
Protection rating: IP69 (including connection cable)