Endress+Hauser Memosens Wave CAS80E Manuel utilisateur

Products Solutions Services

Operating Instructions

Memosens Wave CAS80E

Spectrometer for water analysis

BA02005C/07/EN/03.20

71508624

2020-12-02

Memosens Wave CAS80E Table of contents

Endress+Hauser 3

Table of contents

1 About this document ................ 4

1.1 Warnings ............................ 4

1.2 Symbols used .......................... 4

2 Basic safety instructions ............ 5

2.1 Requirements for personnel ............... 5

2.2 Designated use ........................ 5

2.3 Workplace safety ....................... 5

2.4 Operational safety ...................... 5

2.5 Product safety ......................... 6

3 Product description ................. 7

3.1 Product design ......................... 7

4 Incoming acceptance and product

identification ....................... 9

4.1 Incoming acceptance .................... 9

4.2 Product identification .................... 9

4.3 Scope of delivery ...................... 10

4.4 Certificates and approvals ............... 10

5 Installation ....................... 11

5.1 Installation conditions .................. 11

5.2 Mounting the spectrometer .............. 13

5.3 Post-installation check .................. 21

6 Electrical connection .............. 22

6.1 Connecting the spectrometer ............. 22

6.2 Ensuring the degree of protection .......... 23

6.3 Post-connection check .................. 23

7 Commissioning .................... 25

7.1 Function check ....................... 25

8 Operation ......................... 26

8.1 Adapting the measuring device to the process

conditions ........................... 26

8.2 Cyclic cleaning ........................ 29

9 Diagnostics and troubleshooting ... 31

9.1 General troubleshooting ................. 31

10 Maintenance ...................... 32

10.1 Maintenance schedule .................. 32

10.2 Maintenance tasks ..................... 32

11 Repair ............................ 34

11.1 General information ................... 34

11.2 Spare parts .......................... 34

11.3 Return .............................. 34

11.4 Disposal ............................ 34

12 Accessories ....................... 35

12.1 Device-specific accessories ............... 35

13 Technical data .................... 37

13.1 Input ............................... 37

13.2 Performance characteristics .............. 38

13.3 Environment ......................... 42

13.4 Process ............................. 42

13.5 Mechanical construction ................ 42

Index .................................. 43

About this document Memosens Wave CAS80E

4 Endress+Hauser

1 About this document

1.1 Warnings

Structure of information Meaning

LDANGER

Causes (/consequences)

If necessary, Consequences of

non-compliance (if applicable)

‣Corrective action

This symbol alerts you to a dangerous situation.

Failure to avoid the dangerous situation will result in a fatal or serious

injury.

LWARNING

Causes (/consequences)

If necessary, Consequences of

non-compliance (if applicable)

‣Corrective action

This symbol alerts you to a dangerous situation.

Failure to avoid the dangerous situation can result in a fatal or serious

injury.

LCAUTION

Causes (/consequences)

If necessary, Consequences of

non-compliance (if applicable)

‣Corrective action

This symbol alerts you to a dangerous situation.

Failure to avoid this situation can result in minor or more serious injuries.

NOTICE

Cause/situation

If necessary, Consequences of

non-compliance (if applicable)

‣Action/note

This symbol alerts you to situations which may result in damage to

property.

1.2 Symbols used

Symbol Meaning

Additional information, tips

Permitted or recommended

Not permitted or not recommended

Reference to device documentation

Reference to page

Reference to graphic

 Result of a step

1.2.1 Symbols on the device

Symbol Meaning

Reference to device documentation

Memosens Wave CAS80E Basic safety instructions

Endress+Hauser 5

2 Basic safety instructions

2.1 Requirements for personnel

• Installation, commissioning, operation and maintenance of the measuring system may

be carried out only by specially trained technical personnel.

• The technical personnel must be authorized by the plant operator to carry out the

specified activities.

• The electrical connection may be performed only by an electrical technician.

• The technical personnel must have read and understood these Operating Instructions

and must follow the instructions contained therein.

• Faults at the measuring point may only be rectified by authorized and specially trained

personnel.

Repairs not described in the Operating Instructions provided must be carried out only

directly at the manufacturer's site or by the service organization.

2.2 Designated use

The spectrometer is used to measure a variety of parameters in liquid media with UV-VIS

spectroscopy.

The spectrometer is particularly suitable for measurements in the following applications:

• Inlet and outlet of wastewater treatment plants

• Drinking water

• Surface water

Use of the device for any purpose other than that described, poses a threat to the safety of

people and of the entire measuring system and is therefore not permitted.

The manufacturer is not liable for damage caused by improper or non-designated use.

2.3 Workplace safety

LCAUTION

UV light

UV light can damage the eyes and skin!

‣Never look into the measuring gap while the device is in operation.

As the user, you are responsible for complying with the following safety conditions:

• Installation guidelines

• Local standards and regulations

Electromagnetic compatibility

• The product has been tested for electromagnetic compatibility in accordance with the

applicable international standards for industrial applications.

• The electromagnetic compatibility indicated applies only to a product that has been

connected in accordance with these Operating Instructions.

2.4 Operational safety

Before commissioning the entire measuring point:

1. Verify that all connections are correct.

2. Ensure that electrical cables and hose connections are undamaged.

3. Do not operate damaged products, and protect them against unintentional operation.

4. Label damaged products as defective.

Basic safety instructions Memosens Wave CAS80E

6 Endress+Hauser

During operation:

‣If faults cannot be rectified:

products must be taken out of service and protected against unintentional operation.

2.5 Product safety

The product is designed to meet state-of-the-art safety requirements, has been tested, and

left the factory in a condition in which it is safe to operate. The relevant regulations and

international standards have been observed.

Memosens Wave CAS80E Product description

Endress+Hauser 7

3 Product description

3.1 Product design

The spectrometer has a diameter of 40 mm (1.57 in) and can be operated directly in-line

without any additional sampling. It is available with the standard measurement gap

lengths of 2 mm (0.08 in), 10 mm (0.4 in) and 50 mm (1.97 in), and is also available with

1 mm (0.04 in) and 100 mm (3.94 in) gap lengths on request.

The spectrometer consists of the following modules:

• Power supply

• High-voltage generation for the strobe lamp

• Xenon strobe lamp

• Monitor diode

• Measurement gap

• Spectrometer: UV/VIS 200 to 800 nm

• Microcontroller

All data - including the calibration data - are stored in the spectrometer. The spectrometer

can be precalibrated and used at a measuring point, calibrated externally, or used for

several measuring points with different calibrations.

1234

A0042866

 1 Product design

1 Spectrometer module

2 Lens

3 Monitor diode

4 Light source

5 Measurement gap

A light source sends a beam of light through the medium via the lenses. The medium

under analysis is located in the measurement gap. In the spectrometer module, the beam

of light is converted to electrical, measurable signals →  1,  7.

3.1.1 Measuring principle

The spectrometer uses the substance-specific absorption of electromagnetic radiation to

indicate the measurement parameters from the recorded spectrum.

Product description Memosens Wave CAS80E

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200 300 400 500 600 700

λ/nm

800

A0042861

 2 Ranges of parameters in the absorption spectrum

λ Wavelength range

A Absorption

B Ultraviolet light (UV)

C Visible light (VIS)

a 254 nm, SAC

1 Nitrate, nitrite

2 Sum parameters BODeq, CODeq, TOCeq, DOCeq

3 Color, turbidity, TSS

A specific absorption spectrum can be assigned to every molecule. By comparing a zero

spectrum I0 determined previously in ultrapure water and the measuring spectrum with

the intensity I, the absorption A can be calculated as follows:

A = -log10 (I/I0) = ε . c . d

The absorption A depends directly on the concentration c, the measurement gap length d

and the extinction coefficient ε.

Analytical models programmed into the spectrometer calculate the concentration of the

parameters from the absorption spectra. These analytical models have been determined by

correlating known parameter concentrations with their related absorption spectra.

The calculation uses the same wavelengths to determine different parameters. This results

in what are termed "cross-sensitivities". For example, if turbidity increases less light is

detected when determining the chemical oxygen demand (COD).

Memosens Wave CAS80E Incoming acceptance and product identification

Endress+Hauser 9

4 Incoming acceptance and product

identification

4.1 Incoming acceptance

1. Verify that the packaging is undamaged.

 Notify the supplier of any damage to the packaging.

Keep the damaged packaging until the issue has been resolved.

2. Verify that the contents are undamaged.

 Notify the supplier of any damage to the delivery contents.

Keep the damaged goods until the issue has been resolved.

3. Check that the delivery is complete and nothing is missing.

 Compare the shipping documents with your order.

4. Pack the product for storage and transportation in such a way that it is protected

against impact and moisture.

 The original packaging offers the best protection.

Make sure to comply with the permitted ambient conditions.

If you have any questions, please contact your supplier or your local Sales Center.

4.2 Product identification

4.2.1 Nameplate

The nameplate provides you with the following information on your device:

• Manufacturer identification

• Extended order code

• Serial number

• Safety information and warnings

‣Compare the information on the nameplate with the order.

4.2.2 Identifying the product

Product page

www.endress.com/cas80e

Order code

The order code and serial number of your product can be found in the following locations:

• On the nameplate

• In the delivery papers

Obtaining information on the product

1. Go to www.endress.com.

2. Call up the site search (magnifying glass).

3. Enter a valid serial number.

4. Search.

 The product structure is displayed in a popup window.

Incoming acceptance and product identification Memosens Wave CAS80E

10 Endress+Hauser

5. Click on the product image in the popup window.

 A new window (Device Viewer) opens. All of the information relating to your

device is displayed in this window as well as the product documentation.

4.2.3 Manufacturer address

Endress+Hauser Conducta GmbH+Co. KG

Dieselstraße 24

D-70839 Gerlingen

4.3 Scope of delivery

The delivery comprises:

• Spectrometer, version as ordered

• Cleaning brush (x 2)

• 32GB SD card for data logging

• Operating Instructions

4.4 Certificates and approvals

4.4.1  mark

The product meets the requirements of the harmonized European standards. As such, it

complies with the legal specifications of the EU directives. The manufacturer confirms

successful testing of the product by affixing to it the  mark.

4.4.2 Additional certification

Electromagnetic compatibility

Interference emission and interference immunity as per

• EN 61326-1:2013

• EN 61326-2-3:2013

• EN 61326-2-5: 2013

• NAMUR NE21: 2012

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