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EMS-170

Atmospheric Visibility Sensor

Infrared forward-scatter visibility sensor reporting meteorological optical range from 5 m up to 80 km.

VisibilityForward scatterInfraredMORRS485Wi-Fi
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EMS-170 Atmospheric Visibility Sensor
Environmental Monitoring
Family
EMS Series
Category
Environmental Monitoring
Measurement
Meteorological optical range (MOR)
Range
5 to 10,000 m (50,000 m or 80,000 m options)

01Overview

Engineered for the field

This visibility sensor uses infrared forward-scatter measurement at a 35° angle to report meteorological optical range in fog, snow and mixed precipitation. Ranges of 5 to 10,000 m, 5 to 50,000 m or 5 to 80,000 m are available with ±10% accuracy and 1 m resolution, updated every 20 seconds. The downward-facing optics sit behind a protective cover that keeps out precipitation, droplets and dust, reducing contamination and maintenance, while overvoltage and electromagnetic protection support safe long-term operation. Data is output over RS485 or Wi-Fi, and the sensor operates from -40 to +60 °C.

02Key Features

What makes the EMS-170 different

01

Forward-scatter measurement

Proven 35° infrared forward-scatter design reports meteorological optical range.

02

Protected optics

Downward-facing lens behind a cover keeps rain, droplets and dust off the optics.

03

Fast continuous sampling

High-speed sampling keeps readings accurate in mixed weather such as rain and hail.

04

Built-in protection

Overvoltage and electromagnetic protection for safe, long-term operation.

05

Long-range options

Choose 10 km, 50 km or 80 km maximum range.

03Technical Specifications

Detailed specifications

Overview

Measurement
Meteorological optical range (MOR)
Range
5 to 10,000 m (50,000 m or 80,000 m options)
Principle
Infrared forward scatter, 35°
Output
RS485 or Wi-Fi

Performance

Accuracy
±10% (25 °C, 50 %RH)
Resolution
1 m
Update interval
20 s
MTBF
Over 18,000 h

Power and Environment

Power supply
10 to 30 V
Operating environment
-40 to +60 °C, ≤95 %RH
Weight
Under 10 kg

04Applications

Built for these use cases

  • Use case 01

    Road and highway fog warning

  • Use case 02

    Port and harbour operations

  • Use case 03

    Wind farm monitoring

  • Use case 04

    Automatic weather stations

Industries

Deployed across these sectors

Smart CitiesLogisticsEnergyEnvironmental Monitoring

05Resources

Datasheets, manuals and technical documents

Documents are shared on request. Tell us which file you need and our team will send it to you.

  • EMS-170 Datasheet

    Datasheet

    Request

  • EMS-170 User Manual

    User Manual

    Request

06Related products

Complementary engineering