CS136 CS136 LIDAR Ceilometer
Cloud measurement with state-of-the-art signal processing
weather applications supported water applications supported energy applications supported gas flux & turbulence applications supported infrastructure applications supported soil applications supported

Overview

Building on the great technical capabilities of the CS135 Ceilometer, we introduce the CS136 Ceilometer. This item carries forward many of the excellent design and functional features of its predecessor. The new design is smaller, more compact and lower overall weight, allowing for even more flexible applications and installations.

The Campbell Scientific CS136 LIDAR Ceilometer measures cloud height and vertical visibility for meteorological and aviation applications. Utilizing LIDAR (LIght Detection And Ranging) technology, the instrument transmits fast, low-power laser pulses into the atmosphere and detects back-scattered returns from clouds and aerosols above the instrument.

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Benefits and Features

  • Single lens design for high signal-to-noise ratio, maximized detector sensitivity, resulting in greater performance at low and high altitudes
  • Robust, reliable, low noise Campbell Scientific electronics for exceptional performance
  • State-of-the-art signal processing
  • Low power consumption
  • DC option
  • Integrated heater, blower and radiation shield as standard,making it suitable for applications at all latitudes
  • Built-in calibration capability, allowing simple calibration checks to be performed and ensuring user confidence in data quality
  • Exceptional laser life in excess of 10 years
  • Tilt angles to 24°, improving performance during precipitation events. Two axis inclinometer for automatic correction of cloud height
  • Continuous comparison between two internal clocks for confidence in reliable operation
  • Solar blocking filters included

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Technical Description

The CS136 achieves its excellent performance by using a unique single lens design to increase optical signal-to-noise ratio.

This design also allows larger optics in a compact package.

This approach, along with state-of-the-art electronics, provides a powerful and stable platform from which to measure cloud height and vertical visibility to high accuracy, the CS136 measures the atmosphere with high stability and repeatability.

The CS136 provides information on cloud height, sky condition (up to five layers), vertical visibility and raw backscatter profiles.

Specifications

Instrument performance

Reporting range 0-8 km / 26,250 ft
Minimum reporting resolution 5 m / 15 ft
Hard Target Range Accuracy +/- 0.05% +/- 4.6 m
Reporting Cycle 2 to 600s
Cloud Layers Up to four layers reported
Sky Condition Up to five layers with cover in oktas according to WMO requirements for SYNOP and METAR codes as standard
Laser Type InGaAs
Laser Wavelength 912 nm ± 5 nm
Eye Safety Class 1M

Electrical Specification

AC power source 115/230V AC ± 15% (auto switching) 50-60 Hz Current drain from 230V is 15W minimum,up to 380W with all the heaters on
DC power source only 10-40V DC, current drain 12V A The AC heaters are not used when powered from DC alone
Battery Internal 12V 7Ah battery back up
Interfaces: Data - RS-232/RS-422/RS-485/Ethernet option
Maintenance - USB 2.0 (USB 1.1 compatible)
Baud Rate - 300 - 115200
Laser Safety Compliance EN 60825-1:2014
EMC Compliance EN 61326-1:2013
Electrical Safety EN 61010-1:2010

Mechanical Specification

Dimensions (mm) 737 x 294 x 240 including base
Weight 18 kg

Environmental Specification

Temperature Range excluding battery -40°C to 60°C, -40°F to 140°F
Humidity 0-100% RH
IP Rating IP66 (NEMA 4X)
Windspeed 55 m/s (wind tunnel tested)

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