Yokogawa EXA DC402 Dual-Channel Conductivity Analyzer - Manual (Page 6)

IM 12D08E02-01E
Introduction 1-1
1. INTRODUCTION AND GENERAL DESCRIPTION
The Yokogawa EXA 402 is a 4-wire converter designed for industrial process monitoring, measurement
and control applications. This instruction manual contains the information needed to install, set up, oper-
ate and maintain the unit correctly. This manual also includes a basic troubleshooting guide to answer
typical user questions.
Yokogawa can not be responsible for the performance of the EXA analyzer if these instructions are not
followed.
1-1. Instrument Check
Upon delivery, unpack the instrument carefully and inspect it to ensure that it was not damaged during
shipment. If damage is found, retain the original packing materials (including the outer box) and then
immediately notify the carrier and the relevant Yokogawa sales office.
Make sure the model number on the nameplate affixed to the top of the display board of the instrument
agrees with your order.
The nameplate will also contain the serial number and power supply selection.
Be sure to apply correct power to the unit.
Figure 1-1. Nameplate
Check that all the parts are present, including mounting hardware, as specified in the option codes at the
end of the model number. For a description of the model codes, refer to Chapter 2 of this manual under
General Specifications.
Basic Parts List:Converter EXA 402
Instruction Manual English
Optional mounting hardware when specified (See model code)
WARNING
Made in Japan
MODEL
SUFFIX
SUPPLY
OUTPUT
No. STYLE
DC402G
115VAC 50/60Hz MAX.10VA
0-20mADC or 4-20mADC