Ceragel CPS71D and CPS71

6

Endress+Hauser

Installation

Installation instructions

• Electrode versions TB, TC and TP

Do not install the electrodes upside down. The angle of inclination must be at least 15° from the

horizontal. A smaller inclination angle is not permitted as it could cause an air bubble to form in

the glass sphere and prevent the inner electrolyte from completely wetting the pH diaphragm.

• Electrode version TU

This electrode is suitable for upside-down installation. You can install it at any angle.

NOTICE

Before screwing in the electrode, make sure the assembly threaded connection is clean and

runs smoothly.

‣ Screw in the electrode finger-tight (3 Nm)! (Data apply only if installing with

Endress+HauserOPA assemblies.)

‣ Make sure to follow the installation instructions in the Operating Instructions of the used

assembly.

15°

15°

A

B

A0024316

 2

Installation of electrode versions TB, TC, TP;

installation angle at least 15° from the horizontal

A

Permitted orientation

B

Forbidden orientation

360°

A0024597

 3

Installation of electrode version TU; any

installation angle

Installation instructions for

electrode version TP

LCAUTION

Sudden rupture and flying glass splinters from the glass electrode with pressurized reference

(approx. 7 bar abs. internal pressure)

‣ Always wear protective goggles when working with these electrodes

‣ Be particularly careful when removing the silicone seal on the reference junction. Here, a knife is

used to activate the electrode for measuring operation.

Before commissioning the electrode, you must remove the silicone seal from the junction. The pH

value can only be measured properly once the seal has been removed.

To do this, proceed as follows:

1. Using the knife supplied, completely remove the silicone seal from the junction.

2. To ensure optimum accuracy with this as with all pH electrodes, place the electrode in a

calibration standard buffer solution with a pH of between 4 and 9 for 15-20 minutes prior to

calibration.

3. Put the electrode into operation.