Cimel CE318-T Bedienungsanleitung

Multiband photometer CE318-T

User’s Manual (rev. October 2021)

CE318-T Photometer

User Operation Manual

Revision V4.10 October 2021

Dear Customer and users,

You have just purchased a Cimel photometer CE318-T and wewould like to thank you.

The CE318-T is the most recent model of the well-known Cimel CE318 photometer.

This model is available and recommended to all users that intend to operate it in a

network, such as AERONET, CARSNET or SONET.

We have placed in this instrument all our passion and know-how so that it best meets

your needs. Innovation and performance: we designed it so that it is always easy to

use.

In the line of Cimel products, you will also find a wide range of remote sensing

instruments like the Cimel LiDAR CE710 and CE376 automatic aerosol LiDARs.

Of course, in an ongoing effort to satisfy your demands as best as possible concerning

our products, our after-sales service department is at your disposal and ready to listen

and answer to all your questions and suggestions (contact information at the end of

this booklet).

Please visit our website at www.cimel.fr : you will find all our products, as well as

additional and useful information.

As part of our commitment to constantly improve our products, we reserve the right to

make changes totheir technical,functional and/or esthetical properties inline with their

technological development.

Caution: Before installing and using your instrument, please read carefully this

guide, which will help you to quickly familiarize yourself with its operation.

Please read also carefully the preventive maintenance that has to be done

weekly and yearly on the CE318-T.

 
 CE318-T Photometer 
User Operation Manual 
 
Revision V4.10 October 2021 
 2 
 
Table of Contents 
1Product overview............................................................................................... 4 
1.1. Presentation........................................................................................................... 4 
1.2. System components quick description................................................................... 5 
1.3. Sensor head types............................................................................................... 13 
1.4. Data transmission................................................................................................ 15 
2Installation ....................................................................................................... 15 
2.1. Installation site recommendations........................................................................ 15 
2.2. Hardware installation and setup........................................................................... 15 
 Needed tools ...............................................................................................................16 
 Tripod mounting...........................................................................................................16 
 Case mounting ............................................................................................................18 
 Robot and sensor head mounting ...............................................................................19 
 Optional pyranometer global radiation sensor ............................................................28 
2.3. Communication protocol installation and setup.................................................... 29 
 RS232 communication ................................................................................................29 
 USB communication....................................................................................................30 
 Communication over GPRS ........................................................................................31 
 Satellite transmission installation and configuration....................................................36 
2.4. Control Unit firmware update................................................................................ 42 
3Control Unit navigation menu ........................................................................ 42 
3.1. Capacitive key functions ...................................................................................... 42 
3.2. Switch on / Switch off / Standby........................................................................... 42 
3.3. Menu description.................................................................................................. 43 
3.4. SCENARIOS........................................................................................................ 43 
3.5. MEASURES......................................................................................................... 45 
3.6. MEMORY............................................................................................................. 45 
3.7. SETTINGS........................................................................................................... 46 
3.8. DATE................................................................................................................... 48 
3.9. CIMEL.................................................................................................................. 48 
3.10. INFO.................................................................................................................... 49 
4General description of the scenarios and their sequence........................... 49
4.1. Scenario description and sequencing................................................................... 49 
4.2. Group of measurement scenarios........................................................................ 59 
4.3. Day and night measurement schedule in Auto mode ........................................... 60 
 Standard (CE318-TS9) and polarized (CE318-TP9)...................................................60 
 BRDF (CE318-TU9) and BRDF 12 filters (CE318-TU12)...........................................62 
 SEAPRISM (CE318-TV12)..........................................................................................62 
 Polarized (CE318-TP9) ...............................................................................................62 
4.4. Execution time of scenario................................................................................... 63 
5On-site maintenance....................................................................................... 64 
5.1. Weekly check preventive maintenance................................................................ 64 
5.2. Corrective maintenance....................................................................................... 65 
 Solar panel and wet sensor replacement....................................................................65 
 Robot levelling adjustment ..........................................................................................67 
 Flash memory formatting.............................................................................................68 

 
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User Operation Manual 
 
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6Factory calibration and maintenance............................................................ 69 
6.1. Sensor head calibration and maintenance ........................................................... 69 
 Calibration ...................................................................................................................69 
 Maintenance................................................................................................................69 
6.2. Robot maintenance.............................................................................................. 70 
7Troubleshooting.............................................................................................. 70
7.1. Communication and data transfer is down ........................................................... 70 
 Using serial port transfer protocol ...............................................................................70 
 Using satellite transmitter............................................................................................71 
7.2. Robot errors......................................................................................................... 71 
7.3. Battery low........................................................................................................... 72 
7.4. GPRS –communication errors............................................................................. 72 
 GPRS errors................................................................................................................73 
 FTP communication errors..........................................................................................74 
 HTTP(S) communication errors...................................................................................74 
8Frequently Asked Questions (FAQ)............................................................... 74
9Technical specifications................................................................................. 76 
9.1. General................................................................................................................ 76 
9.2. Dimensional drawings.......................................................................................... 77 
10 After-Sales Service and Customer Relations................................................ 85
11 Annexes ........................................................................................................... 86 
11.1. Packing List ......................................................................................................... 86 
11.2. AERONET network (FAQ) ................................................................................... 88 
 What is the AERONET network? ................................................................................88 
 How to enter it? ...........................................................................................................88 
 What to do when there is a “Bad sun tracking”? .........................................................88 
 What to do when there is a “InGaAs / silicon discrepancy”?.......................................89 
 What to do when there is a “High dark current”? ........................................................89 
 What to do when there is constant humidity? .............................................................90 
 What to do with a dissymmetric Almucantar? .............................................................90 
 
 

CE318-T Photometer

User Operation Manual

Revision V4.10 October 2021

1 Product overview

1.1. Presentation

This high-precision photometer for observing networks measures the optical properties

of the atmosphere especially by measuring on one hand, the sun and moon irradiance

and on the other hand the sea, soil and sky radiance. It provides the quantification and

physical-optical characterizations of the aerosols.

Due to its very low power consumption thanks to the MicroAmps®technology, to its

self-powered system and to its rugged design, the CE318-T fully meets the operational

requirements of continuous monitoring in terms of reliability, long lifetime and very low

maintenance cost.

The CE318-T photometer technology is constantly enhanced to match the new

technological challenges for climate observation and monitoring. Cimel’s photometers

are the benchmark devices for most aerosol observing networks and more specifically

for the international federation of AERONET.

The large range of parameters that are derived and calculated from the measurements

and from the atmospheric physics equations make the CE318-T photometer a

worldwide benchmark device for the following applications:

•Characterization and quantification of aerosols

•Satellite calibration of aerosol measurements

•Detection of volcanic ashes plumes in real time

•Determination of Aerosol Optical Depth

•Determination of fine mode and coarse mode AODs

•Determination of the optical properties of the atmosphere for satellite imaging

•Determination of the ocean's color

•Determination of the amount of precipitable water vapor

•Air quality monitoring

•Volume size distribution

•Nature of aerosols

CE318-T Photometer

User Operation Manual

Revision V4.10 October 2021

1.2. System components quick description

The photometer system is delivered with:

1. Control Unit (CU)

The Control Unit is the component that received all the data acquired by the optical

head and it is used as the user interface to parameterize the whole system running.

The CU can transmit the data using different communication protocols (see chapter

1.4 for detailed information).

The CU gets four keys, a yellow push button and a screen display which enable the

users to navigate through the menus.

The features and the menus are described more precisely in chapter 3.

User interface:

1: Graphic display.

2: Capacitive keys.

3: Mechanical push button.

Removable terminal block:

4: Pyranometer.*

5: Wet sensor.

6: Remote display.

7: SDI12.

8: USB.

9: Sensor head.

10: Robot azimuth and zenith

motion.

11: DCP / Serial communication.

12: Solar panel.

13: External battery.

Other:

14: GPS antenna.

15: GSM antenna.

16: Short range radio antenna.**

* Refer to the chapter 0 The .

** Firmware for short range radio should be available in 2022.

CE318-T Photometer

User Operation Manual

Revision V4.10 October 2021

2. Sensor head and collimator

a. The sensor head

The sensor head measures the received signal from the sun, sky, soil or sea. Then it

is sent and recorded to the CU.

Detectors can be either silicon and. InGaAs detector is used for near-infrared

wavelengths.

1: Front plate lenses and optical chambers

entrance (a: Silicon / b: InGaAs)

2: 4-quadrant detector lens

3: Cover

4: Threaded hole for collimator

5: Positioning notches

6: Head sensor cord connector

7: Step by step motor

8: Detectors

9: Filter wheel detector

10: 4-quadrant

11: Optical chambers

12: Filter wheel carter

CE318-T Photometer

User Operation Manual

Revision V4.10 October 2021

b. Collimator

The collimator is a component that enables the light to be guided correctly to the

sensor head outside lenses. The collimator helps to reduce the stray light.

1: notch 2: tightening screw 3: alignment hole 4: spot

3. Robot

The robot is the component on which the sensor head is attached. Its mechanical

design enables it to point on whole directions of the sky on the azimuthal and polar

(zenith) angles with a very high accuracy.

It is controlled through 2 cables (with RJ11 connectors), one for each axis.

1: adjustment wheel (X2)

2: robot base

3: strap

4: V-shaped part and

positioning notches

5: spirit level

CE318-T Photometer

User Operation Manual

Revision V4.10 October 2021

4. Tripod and tray

The tripod is the supplied infrastructure where the protection case and the robot are

fixed and that enables the whole system to be stably fixed on the ground.

The tray is a part fixed horizontally on the tripod and where the robot will be fixed on.

1: emplacement for the protection case

2: tray

3: tripod feet

CE318-T Photometer

User Operation Manual

Revision V4.10 October 2021

5. Protection case with solar panel

In order to isolate the CU and the batteries from external conditions they must be

placed inside the weatherproof case. The solar panel that powers the system is

incorporated in the case. The output plug of the solar panel is a RJ11 connector.

1: Cable gland. The wet sensor and solar panel wires will go through.

2: Cable gland. The robot and computer wires will go through

3: Cap. The sensor head cord will go through

4: Foam

5: Solar Panel

6: Wet sensor

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