Endress+Hauser Ceramax CPS341D User manual

BA468C/07/EN/06.10

71116332

Operating Instructions

Ceramax CPS341D

Sensor with pH-sensitive enamel and

digital Memosens technology

Endress+Hauser

Ceramax CPS341D

Table of contents

1 Safety instructions . . . . . . . . . . 4

1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Installation, commissioning and operation . 4

1.3 Operational safety . . . . . . . . . . . . . . . . . . . 5

1.4 Notes on safety conventions and icons . . . . 5

2 Identification . . . . . . . . . . . . . . 6

2.1 Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.2 Certificates and approvals . . . . . . . . . . . . . . 6

3 Installation . . . . . . . . . . . . . . . . 7

3.1 Overview of sensor . . . . . . . . . . . . . . . . . . 7

3.2 Installation conditions . . . . . . . . . . . . . . . . 8

3.3 Installing in the process . . . . . . . . . . . . . . 10

3.4 Installing the electrolyte vessel . . . . . . . . . 10

3.5 Mounting the optional electrolyte monitor 11

4 Wiring . . . . . . . . . . . . . . . . . . 12

4.1 Connecting the sensor . . . . . . . . . . . . . . . 12

4.2 Connecting the optional electrolyte monitor .

5 Commissioning. . . . . . . . . . . . 14

5.1 Disinfecting the electrolyte system . . . . . . 14

5.2 Regenerating the sensor . . . . . . . . . . . . . . 15

5.3 Filling the electrolyte vessel . . . . . . . . . . . 16

5.4 Calibration . . . . . . . . . . . . . . . . . . . . . . . . 18

6 Maintenance. . . . . . . . . . . . . . 19

6.1 Changing the electrolyte bottle . . . . . . . . . 19

6.2 Cleaning the sensor . . . . . . . . . . . . . . . . . 20

7 Accessories. . . . . . . . . . . . . . . 23

7.1 CPS341Z . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.2 Transmitter . . . . . . . . . . . . . . . . . . . . . . . 23

7.3 Buffer solutions . . . . . . . . . . . . . . . . . . . . 24

7.4 Measuring cable . . . . . . . . . . . . . . . . . . . . 24

8 Troubleshooting . . . . . . . . . . . 25

8.1 Troubleshooting instructions . . . . . . . . . . 25

8.2 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . 25

8.3 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . 25

9 Technical data . . . . . . . . . . . . . 26

9.1 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

9.2 Environment . . . . . . . . . . . . . . . . . . . . . . 26

9.3 Process . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

9.4 Mechanical construction . . . . . . . . . . . . . . 27

Index. . . . . . . . . . . . . . . . . . . . 28

Safety instructions Ceramax CPS341D

4Endress+Hauser

1 Safety instructions

1.1 Designated use

The pH sensor is designed for the continuous measurement of the pH value in liquids.

Recommended applications include:

• Food production, including thick, high-viscosity media

• Beverage production and filling

• Quality control

• Pharmaceutical industry:

– Water treatment

– Active ingredient production

– Active ingredient preparation

– Fermentation

– Biotechnology

Any use other than that described here compromises the safety of persons and the entire

measuring system and is, therefore, not permitted.

The manufacturer is not liable for damage resulting from improper or non-designated use.

1.2 Installation, commissioning and operation

Please note the following items:

• Installation, commissioning, operation and maintenance of the measuring system must only

be carried out by trained technical personnel.

Trained personnel must be authorized for the specified activities by the system operator.

• Electrical connection must only be carried out by a certified electrician.

• Technical personnel must have read and understood these Operating Instructions and must

adhere to them.

• Before commissioning the entire measuring point, check all the connections. Ensure that

electrical cables and hose connections are not damaged.

• Do not operate damaged products and secure them against unintentional commissioning.

Mark the damaged product as being defective.

• Measuring point faults may only be rectified by authorized and specially trained personnel.

• If faults can not be rectified, the products must be taken out of service and secured against

unintentional commissioning.

• Repairs not described in these Operating Instructions may only be carried out at the

manufacturer’s or by the service organization.

Ceramax CPS341D Safety instructions

Endress+Hauser 5

1.3 Operational safety

The sensor 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.

Relevant regulations and European standards have been observed.

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

• Installation instructions

• Local standards and regulations

1.4 Notes on safety conventions and icons

The structure, signal words and safety colors of the signs comply with the specifications of

ANSI Z535.6 ("Product safety information in product manuals, instructions and other collateral

materials").

Safety message structure Meaning

DANGER

Cause (/consequences)

Consequences if safety

message is not heeded

►Corrective action

This symbol alerts you to a dangerous situation.

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

injury.

WARNING

Cause (/consequences)

Consequences if safety

message is not heeded

►Corrective action

This symbol alerts you to a dangerous situation.

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

injury.

CAUTION

Cause (/consequences)

Consequences if safety

message is not heeded

►Corrective action

This symbol alerts you to a dangerous situation.

Failure to avoid this situation can result in minor or medium

injury.

NOTICE

Cause/situation

Consequences if safety

message is not heeded

►Action/note

This symbol alerts you to situations that can result in damage

to property and equipment.

Identification Ceramax CPS341D

6Endress+Hauser

2 Identification

2.1 Nameplate

The nameplate can be found on the sensor.

The following information is provided on the nameplate:

• Order code

• Extended order code

• Serial number

• Protection class

• Ambient/process conditions

Compare the data on the nameplate with your order.

To find out what sensor version you have, enter the order code indicated on the nameplate

in the search screen at the following address: www.products.endress.com/order-ident

2.2 Certificates and approvals

Declaration of Conformity

The product meets the requirements of the harmonized European standards.

As such, it complies with the legal specifications of the EC directives.

The manufacturer confirms successful testing of the product by affixing to it the 4mark.

Ceramax CPS341D Installation

Endress+Hauser 7

3 Installation

3.1 Overview of sensor

The CPS341D can be divided into the following parts:

• pH-sensitive part

• Reference system

• Process connection

pH-sensitive part Reference system Process connection

• Glass-lined steel tube (3)

• Yellow pH-sensitive enamel with

metal reference lead (5)

•Diaphragm(4)

• Memosens plug-in head (1)

• Electrolyte vessel (8)

• Electrolyte bottle with septum (9)

• Supply of electrolyte with hose and

plug-in couplings (2 and 11)

• Reference electrode (in sensor head,

not visible from the outside)

Depends on version

•M20

• Pg 13.5

•3/4"

•1"

•NozzleDN25

•NozzleDN30

•VariventDN50/40

• Sanitary fitting DN50

• Sanitary fitting DN25

•Tri-ClampDN50

a0014135

Fig. 1:

1 Memosens plug-in head

2 Supply of electrolyte

3 Glass-lined steel tube

4Diaphragm

5 pH-sensitive enamel

(yellow)

6 Process connection

7Vent

a0014136

Fig. 2:

8 Electrolyte vessel

9 Electrolyte bottle

10 Compressed air connection

11 Electrolyte hose

12 Electrolyte supply coupling

Installation Ceramax CPS341D

8Endress+Hauser

3.2 Installation conditions

3.2.1 Orientation

The CPS341D can be installed in any position.

a0013862

Fig. 3: Installation angle

0 ... 360°

Ceramax CPS341D Installation

Endress+Hauser 9

3.2.2 Dimensions

a0013874

Fig. 4: Dimensions

Installation Ceramax CPS341D

10 Endress+Hauser

3.3 Installing in the process

NOTICE

Built-in parts can damage the sensor enamel

►When installing in tanks and pipes, keep a sufficient distance from built-in parts and the wall.

Screw the sensor directly into an existing process connection.

3.4 Installing the electrolyte vessel

a0014069

Fig. 5: Electrolyte vessel

Clamp

Electrolyte bottle

Mounting plate

Ground terminal

G1/4 compressed air connection

Self-sealing connector with electrolyte hose

Self-sealing coupling

Cannula

Septum

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