KROHNE OPTISENS PH 9500 - Manual (Page 13)

INSTALLATION
3
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OPTISENS PH 9500
www.krohne.com 08/2012 - 4001929601 MA OPTISENS PH 9500 R01 en
3.4 Pre-installation requirements
Unpacking the sensor
• Loosen the storage cap which is screwed or/and pushed on to the plastic tube 1.
• Gently pull the sensor out of the plastic tube 2.
• Lay the sensor on a soft mat/tissue 3.
• Screw or push the provided sealing cap on to the plastic tube, using O-ring as shown in the
drawing 4. Keep the storage cap (the one with the hole in it) in the original packaging.
3.5 Electrical connection
CAUTION!
• Never touch or scratch the pH sensitive glass tip of the sensor.
• Make sure that the glass tip is clean and dust-free. If necessary, clean the tip as described on
page 37
Figure 3-2: Handling the sensor
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
DANGER!
Observe the national regulations for electrical installations!
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.