Endura APA592
pH / Redox (ORP) transmitter
1 Safety
4
OI/APA592–EN Rev. E
1 Safety
Information in this manual is intended only to assist our customers in the efficient operation of our
equipment. Use of this manual for any other purpose is specifically prohibited and its contents are not to be
reproduced in full or part without prior approval of the Technical Publications Department.
1.1 Technical Limits
The transmitter is designed for use exclusively within the stated values on the name plate and in the
technical specifications (see Specifications, page 90). These must be complied with accordingly.
Do not exceed the maximum / permitted operating temperature.
Observe the housing protection system.
1.2 Operator Liability
When measuring corrosive and abrasive materials, the operator must examine the resistance of all parts
that come into contact with the process being measured. ABB will assist with the selection but cannot,
however, accept any liability.
Operators must strictly observe the national regulations applicable in their countries with regards to
installation, functional tests, repairs and maintenance of electrical devices.
1.2.1 Operating Safety Information
Before switching on, ensure that the specified environmental conditions in the Specifications section
(page 90) are complied with and that the power supply voltage corresponds with the voltage of the
transmitter.
When there is a chance that safe operation is no longer possible, put the transmitter out of operation and
secure against unintended operation.
Warning.
System configuration must be carried out only by users or personnel with approved access rights
(user privileges).
Read all relevant sections of this guide before configuring the system or modifying system
parameters.
Install and use this equipment as detailed in this guide. Install and use associated equipment in
accordance with the relevant national and local standards. Installation and repair must only be
carried out by the manufacturer, authorized agents or persons conversant with the construction
standards for hazardous area certified equipment.
