Intelligent Passive Road Sensor IRS31Pro-UMB

Product catalog summary

Overview
The Intelligent Passive Road Sensor IRS31Pro-UMB is designed for accurate detection of various road conditions, including road surface temperature, water film height, freezing temperature, and ice percentage. It features a two-part housing design for easy maintenance and re-calibration.

Measured Parameters

Road surface temperature
Water film height up to 4mm
Freezing temperature for de-icing materials (NaCl, MgCl, CaCl)
Road condition (dry, damp, wet, ice, snow, moist with salt, wet with salt)
Friction (Grip)
Ice percentage
Optional: Two additional depth sensors

Measurement Technology

Conductivity measurement for ice percentage
Radar measurement for water film
NTC for road surface temperature

Product Highlights

Two-part housing design for easy maintenance
Low energy consumption suitable for solar operation
Radar principle for water film measurement

Interfaces

RS485
SDI-12
Analogue outputs

Technical Specifications

Dimensions: Ø 120mm, height 50mm
Weight: Approx. 800g without cable and external temperature probe
Storage temperature: -40 to 70°C
Rated current: <200mA
Protection type: IP68
Power supply: 9 to 14VDC, nominal 12V
Operating temperature: -40 to 80°C
Operating relative humidity: 0 to 100% RH

Measurement Details

Road surface temperature: Range -40 to 80°C, Accuracy ±0.1°C (-20 to 20°C), Resolution 0.1°C
Freezing point: Range -40 to 0°C, Accuracy ±0.5°C (0 to -2.5°C), Resolution 0.1°C
Water film height: Range 0 to 4mm, Accuracy better than ±30% (0.2mm to 3mm), Resolution 0.01mm
Friction (Grip): Range 0 to 1
Ice Percentage: Range 0 to 100%

Catalog excerpts

Intelligent Passive Road Sensor IRS31Pro-UMB-1

Technical Data Intelligent Passive Road Sensor IRS31Pro-UMB The passive road sensor IRS31Pro-UMB convinces by its two part housing design and accurate detection of road surface temperature, water film height, freezing temperature, ice percentage and many more... Parameters measured Road surface temperature, water film height up to 4mm, freezing temperature for different de-icing materials (NaCl, MgCl, CaCl), road condition (dry/damp/wet/ice or snow/moist with salt/wet with salt), friction, ice Percentage, 2 additional depth sensors Measurement technology Conductivity measurement (ice percentage), radar measurement (water film), NTC (road surface temp.) Product highlights Two part housing design allows easy maintenance/re-calibration, low energy consumption allows solar operation, radar principle to measure water film Interfaces RS485, SDI-12, analogue outputs Article number 8910.U050, 8910.U051, 8910.U052, 8910.U100, 8910.U101, 8910.U102 The passive road sensor IRS31Pro-UMB is flush-mounted in the road. The two part housing design allows the combined sensor/electronics unit to be removed for maintenance or calibration at any time. The following variables are recorded: Road surface temperature, water film height up to 4 mm, freezing temperature for different de-icing materials (NaCl, Page 1 Technical modifications and errors excepted - Created 03/03/2021 G. Lufft Mess- und Regeltechnik GmbH Fellbach, Deutschland

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Intelligent Passive Road Sensor IRS31Pro-UMB-2

Technical Data Intelligent Passive Road Sensor IRS31Pro-UMB MgCl, CaCl), road condition (dry/damp/wet/ice or snow, damp with salt, wet with salt), friction (Grip), ice percentage. Optional: 2 additional depth temperatures, e.g. at 5 cm and 30 cm. The measurement data is available for further processing in the form of a standard protocol (Lufft UMB protocol). General Dimensions Detectable road conditions Weight Storage temperature Rated current Interface Protection type Power supply Connector Operating temperature Operating rel. humidity Road dampness Slippery road conditions Ø 120mm, height 50mm...

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Intelligent Passive Road Sensor IRS31Pro-UMB-3

Technical Data Intelligent Passive Road Sensor IRS31Pro-UMB Ice Percentage Measuring range Unit Page 3 Technical modifications and errors excepted - Created 03/03/2021 G. Lufft Mess- und Regeltechnik GmbH Fellbach, Deutschland Powered by TCPDF (www.tcpdf.org)

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Intelligent Passive Road Sensor IRS31Pro-UMB

Intelligent Passive Road Sensor IRS31Pro-UMB

Catalog excerpts

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