CIRCUTOR QNA500 series - Manual (Page 7)

POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual 7 / 111
1.- DISCLAIMER
CIRCUTOR, SA reserves the right to make modifications to the device or the equipment specifications
set out in this instruction manual without prior notice. CIRCUTOR, SA advises the user to obtain the
latest version of the specifications and applications of the device at
http://www.circutor.com
CIRCUTOR, SA recommends the use of the original cables and accessories supplied
with the equipment.
2.- SAFETY PRECAUTIONS
Follow the warnings described in this manual with the symbols shown below.
DANGER
Warns about an electrical risk.
ATTENTION
Indicates message or warning requiring special attention.
3.- INTRODUCTION
3.1.- General description
This manual provides the information required to install, configure and handle the QNA500 8IO (to
simplify QNA500) power quality analyzer and to achieve the optimum performance. Read it carefully
and observe the safety instructions and regulations at all times.
QNA500 8IO is a power quality analyzer that measures, calculates and records the main electrical
parameters of three-phase balanced or RMS industrial networks, as well as the power quality
parameters in the same electrical network.
The measurements are taken in true root mean squared (TRMS), with five alternating voltage inputs
(3P+N+PE) and five current inputs (3P+N+I
leak ) to measure the secondaries of /1A or /5A, connected
to external current transformers. The power quality analyzer QNA500 is a programmable measuring
instrument. It offers a series of operating options that can be selected from the menus on its WEB
server or the software supplied by CIRCUTOR. Read carefully the following sections before start-up
the product: power supply, connection and configuration. In addition, select the most suitable operating
mode to collect the required data.