Environmental Monitoring Solutions
The CE318 is the reference for automatic multispectral atmospheric photometry.
Developed for the NASA in 1992, it was constantly improved to meet the growing requirements of AERONET (AErosol RObotic NETwork), the worldwide federation of networks dedicated to the measurement of atmospheric aerosols and federated by the NASA. Other independent networks like SKYNET, CARSNET, and SONET also operate CE318 photometers.
The latest version, the CE318-T, takes advantage of cutting-edge technologies to improve metrological performance and facilitate operations. AERONET decided in 2015, after full validation, to accept only the CE318-T for new photometers entering the network.
The CE318-T performs sun, sky and lunar light measurements, for the retrieval of essential physico-optical parameters: Aerosol Optical Depth (AOD), Volume Size Distribution (VSD), complex refractive index (n), shape factor, water vapor content. The high sensitivity tracking, detection chain and internal data processing result in enhanced measurements. Flexible communication and solar autonomy allow easy operation both on fixed sites and temporary locations.
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Note 1: The user may connect an additional RS232 extension cable to extend the line length. Cimel recommends that the total line length should not exceed 15 m.
Note 2: If the PC is not equipped with a DB9 RS232 connector, the user may use any usual commercial RS232 / USB converter to connect to a USB connector on the PC.
| Full scale digital count precision | < 0.1% |
| Half field of view | 0.63° |
| Smallest scattering angle (from the sun) for sky measurements | 2° |
| Spectral range | Si detector: from 340 to 1020 nm InGaAs detector: from 1020 to 1640 nm |
| Long term drift of single band filters’ transmission rate | < 1% / year |
| Firmware | Compatible with all photometer models & all available scenarios |
| Data coding (measurements recording) | 32 bits |
| User Interface | Touch keyboard Backlight graphic display |
| Input & output connectors | On a single removable terminal block |
| Communication outputs | RS232, USB, Hexa-Band (UMTS/3G/W-CDMA), Quad-Band (GPRS) |
| Storage | Flash memory (4 MB): 6 to 8 weeks data storage, for automatic transfers SD card (32 GB): virtually unlimited capacity security for manual retrieval |
| Additional measurements | Rain detector, GPS, Barometer, Temperature & Humidity sensors (inside of the protection enclosure) |
| Additional input | Thermopile pyranometer (not supplied) |
| Monitoring Software PhotoGetData | Instruments setup, wavelengths selection, scan modes & scenarios configuration, measurement scheduling, data analysis, data visualization, data storage (raw data, k8, ASCII files) |
| Azimuth range | 0° – 360° |
| Zenith range | 0° – 180° |
| Tracking resolution | 0.003° |
| Sun/Moon tracking accuracy (automatic active tracking) | 0.01° |
| Reference | Description | Available bands |
| CE318-TS9 | Standard model | 340, 380, 440, 500, 675, 870, 937, 1020, 1640 nm |
| CE318-TP9 | Polarized model | 340, 380, 440, 500, 675, 870, 937, 1020, 1640 nm / Polarization in three directions |
| CE318-TU9 | BRDF measurements (9 filters) | 380, 440, 550, 675, 740, 870, 937, 1020, 1640 nm |
| CE318-TU12 | BRDF measurements (12 filters) | 415, 440, 490, 555, 675, 702, 740, 782, 870, 937, 1020, 1640 nm |
| CE318-TV12-OC (SeaPRISM for Ocean Color) |
Measurement of radiances emerging from sea water surface | 412.5, 442.5, 490, 510, 560, 620, 665, 681, 709, 865, 937, 1020 nm |
| CE318-TV12-LC (SeaPRISM for Lake Color) |
Measurement of radiances emerging from lake water surface |
| Reference | Description | Characteristics |
| 12 m cabling | Sensor head cable connecting the sensor head to the control unit | One side connector: DB15 (male) type Other side: Jupiter type with 22 pins (female) |
| 15 m cabling | PC line kit for 15 m cabling length | 15 m RS232 cord RS232 – USB converter |
| 100 m cabling | PC line kit for cabling length up to 100 m | RS232 connection kit 100 m special cable (tube cut to length) RS232 – USB converter |
| Temperature range | -20°C to 50°C (in non-icing conditions) |
| Humidity range | 0 to 100% RH (in non-icing conditions) |
| Infrastructure | Tripod, with protection enclosure |
| Packaging | Flycase for transportation |
| Dimensions (H x W x D) | Flycase box: 66 x 52 x 47 cm Tripod box: 103 x 57 x 60 cm |
| Gross weight | Flycase box: 30 kg Tripod box: 21 kg |
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The CE376 is the latest compact, eyesafe backscatter LiDAR, featuring outstanding performances for the automated continuous monitoring of aerosols. It operates in the visible (green) and/or in the near infrared (NIR) with options for depolarization channels for enhanced aerosol characterization. The rugged, fully integrated system operates without shutdown, any human attendance, authorization, nor maintenance. With its thermal enclosure, the LiDAR can withstand extreme environmental conditions. The CE376 is particularly easy to install (indoor or outdoor), to transport and even to use onboard a vehicle or a plane. It is therefore, the perfect solution to monitor industrial dust emissions, urban pollution, volcanic ashes, and all type of aerosol particles.
The effects of atmospheric aerosols at global scale on climate change and environmental evolution are critical for coming generations and the future of our planet.
Remote Sensing