Gf-signet 2724-2726 pH_ORP Electrodes Manuel d'utilisateur télécharger pdf (Page 4)

Signet 2724-2726 and 2734-2736 Series pH and ORP Electrodes

• The 3-2726-LC pH electrodes can be used in

low conductivity water of less than 100 μS.

• When used in the range of 20 to 100 μS,

the ﬂ ow range must not exceed 1 m/s (3 ft/s) velocity.

• When used in liquids of less than 20 μS,

the ﬂ ow range must not exceed 150 ml/min;

the sensor should also be mounted in a well grounded cell.

Sensor Installation and Removal

In-Line Installation

Low Conductivity Installation

3-2750-X

or 3-2760-X1

In-Line

Preampliﬁ er

Electrode

Signet Installation Fitting DN15 to DN100 (½ in. to 4 in.)

Flexible

conduit

Lubricate O-rings

with non-petroleum

based, viscous

lubricant (grease)

compatible with

the system.

Flexible conduit

PTFE tape

Fitting (customer supplied)Electrode

3-2750-X or

3-2760-X

Submersible

Preampliﬁ er

Lubricate

O-rings with a

non-petroleum

based, viscous

lubricant (grease)

compatible with

the system.

See peel & stick warning label on back!

Attach near sensor

3-2700.615 (B-04/08)

1. Use appropriate eye, face, hand, body

and/or respiratory protection when using

chemicals or solvents

2. Prior to installation or removal:

a. Depressurize and vent system

b. Drain below sensor level

3. Confirm chemical compatibility before use

4. Do not exceed the maximum

temperature/pressure specifications

5. Do not alter product construction

If installing into a threaded connection:

6. Inspect threads to ensure integrity. Do not

install a sensor that has damaged threads

7. Apply PTFE tape to the process connection

threads in accordance with industry

practices

8. Hand tighten the sensor into the process

connection. DO NOT USE TOOLS

Failure to follow

these instructions may

result in personal injury

WARNING

SAFETY INSTRUCTIONS

0°

Horizontal

Yes

1. The electrode can be

mounted at any angle.

2. Avoid air pockets and sediment.

3. The ﬁ tting must place the

electrode in the ﬂ ow but

must not bottom out in the pipe.

4. Select a Signet installation

ﬁ tting for convenience.

5. Use the ¾ in. threads on the

electrode body to install the

electrode into reducing tee ﬁ ttings.

6. Inspect threads to ensure integrity. Do not install an electrode

with damaged threads.

7. Apply PTFE tape to the process connection threads,

in accordance with industry standards.

8. Use piping installation hardware with smooth,

well-ﬁ nished threads to facilitate the installation.

9. If necessary, the pipe should be plumbed with a depression

(trap) so liquid is maintained around the electrode tip.

10. Hand-tighten the electrode into the process connection.

Do not use any tools to install the electrode.

The use of wrenches, pliers or similar may over-stress

the sensor body and lead to breakage and subsequent

spillage of the process liquid.

CAUTION:

A broken sensor may be

ejected forcefully from the ﬁ tting

and can cause severe injury.

11. The safety instructions have an

adhesive label and should be placed

near the sensor.

Do not use as a handle!

• Do not use tools or lubricant

to install yellow retaining cap.

• Do not overtighten.

PTFE tape

3-2700.615 (B-04/08)

1. Use appropriate eye, face, hand, body

and/or respiratory protection when using

chemicals or solvents

2. Prior to installation or removal:

a. Depressurize and vent system

b. Drain below sensor level

3. Confirm chemical compatibility before use

4. Do not exceed the maximum

temperature/pressure specifications

5. Do not alter product construction

If installing into a threaded connection:

6. Inspect threads to ensure integrity. Do not

install a sensor that has damaged threads

7. Apply PTFE tape to the process connection

threads in accordance with industry

practices

8. Hand tighten the sensor into the process

connection. DO NOT USE TOOLS

Failure to follow

these instructions may

result in personal injury

WARNING

SAFETY INSTRUCTIONS

3-2700.615 (B-04/08)

1. Use appropriate eye, face, hand, body

and/or respiratory protection when using

chemicals or solvents

2. Prior to installation or removal:

a. Depressurize and vent system

b. Drain below sensor level

3. Confirm chemical compatibility before use

4. Do not exceed the maximum

temperature/pressure specifications

5. Do not alter product construction

If installing into a threaded connection:

6. Inspect threads to ensure integrity. Do not

install a sensor that has damaged threads

7. Apply PTFE tape to the process connection

threads in accordance with industry

practices

8. Hand tighten the sensor into the process

connection. DO NOT USE TOOLS

Failure to follow

these instructions may

result in personal injury

WARNING

SAFETY INSTRUCTIONS

3-2700.615 (B-04/08)

1. Use appropriate eye, face, hand, body

and/or respiratory protection when using

chemicals or solvents

2. Prior to installation or removal:

a. Depressurize and vent system

b. Drain below sensor level

3. Confirm chemical compatibility before use

4. Do not exceed the maximum

temperature/pressure specifications

5. Do not alter product construction

If installing into a threaded connection:

6. Inspect threads to ensure integrity. Do not

install a sensor that has damaged threads

7. Apply PTFE tape to the process connection

threads in accordance with industry

practices

8. Hand tighten the sensor into the process

connection. DO NOT USE TOOLS

Failure to follow

these instructions may

result in personal injury

WARNING

SAFETY INSTRUCTIONS

Lubricate

O-rings with

non-petroleum based,

viscous lubricant

(grease) compatible

with the system.

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Gf-signet 2724-2726 pH_ORP Electrodes Manuel d'utilisateur Page 4

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