Sensor Preparation - Hach ORBISPHERE Manual Básico Del Usuario

The silicone discs are required for measurements in ultra-pure water or water containing ammonia.
®
The Dacron mesh patches provide protection to the membrane when using a protection cap with a
grille.
Installation

Sensor preparation

Your sensor has been thoroughly cleaned and tested at the factory before shipment. It has been
shipped with a cartridge containing a membrane and electrolyte pre-installed to protect the sensor
head. This cartridge must be removed and replaced with a new one prior to first use to make it fully
operational. The new cartridge is included in the sensor recharge kit.
Non-ATEX sensors (A1100)
The sensor has been delivered with two protection caps, one with a grille and one without. Ensure
you use the correct protection cap for your application (refer to
applications on page 3 for additional information).
ATEX sensors (A110E)
The sensor has been delivered with a single protection cap.
The following instructions detail the steps required to make the sensor operational. Should you have
any questions, your Hach Lange representative will be pleased to help.
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Note: It is advisable to perform this procedure with the plastic sensor base installed so as to avoid any damage to
the connection socket and also to provide a suitable stand for the sensor when required.
1.
1. Hold the main body of the sensor and unscrew the protection cap locking washer by turning
counter-clockwise. Remove it from the sensor and put to one side.
2. Pull/twist off the protection cap and put to one side.
3. Hold the sensor with the membrane facing down to avoid spilling any electrolyte, then carefully
unscrew the shipment cartridge. Drain the old electrolyte into a sink and flush away. Discard the
8 English
C A U T I O N
2.
Sensor configurations for standard
3.
4.