User’s Manual
iii
Security Advices and Warnings
Please read this chapter carefully and examine the equipment carefully for potential damages which might
arise during transport and to become familiar with it before continue to install, energize and work with a
measuring transducers.
This chapter deals with important information and warnings that should be considered for safe installation
and handling with a device in order to assure its correct use and continuous operation.
Everyone using the product should become familiar with the contents of chapter »Security Advices and
Warnings«.
If equipment is used in a manner not specified by the manufacturer, the protection provided by the
equipment may be impaired.
PLEASE NOTE
This booklet contains instructions for installation and use of measuring transducer. Installation
and use of a device also includes handling with dangerous currents and voltages therefore should
be installed, operated, serviced and maintained by qualified personnel only. ISKRA d.o.o. assumes
no responsibility in connection with installation and use of the product. If there is any doubt
regarding installation and use of the system in which the device is used for measuring or
supervision, please contact a person who is responsible for installation of such system.
Before switching the device ON
Check the following before switching on the device:
Nominal voltage.
Proper connection of auxiliary supply.
Nominal frequency.
Voltage ratio and phase sequence.
Current transformer ratio and terminals integrity.
Protection fuse - recommended maximal external fuse size is 6 A.
Integrity and proper connection of analogue output.
Important: A current transformer secondary should be short circuited before connecting the meter.
