■ Exemption from Responsibility
•  Yokogawa makes no warranties regarding the product 
except those stated in the WARRANTY that is provided 
separately.
•  Yokogawa assumes no liability to any party for any loss 
or damage, direct or indirect, caused by the user or any 
unpredictable defect of the product.
■ Software Handling Precautions
•  Yokogawa makes no warranties, either expressed or 
implied, with respect to the software’s merchantability 
or suitability for any particular purpose, except as 
specified in the terms of the separately provided 
warranty.
•  All reverse-engineering operations, such as reverse 
compilation or the reverse assembly of the product are 
strictly prohibited.
•  No part of the product’s software may be transferred, 
converted, or sublet for use by any third party, without 
prior written consent from Yokogawa.
About the Usage of Open Source Software
关于开放源代码软件的使用
This products uses open source software.
For details on using open source software, see Regarding 
the Downloading and Installing
for the Software, Manuals and Labels (IM 04L61B01-
11EN).
 
connect the wiring of the protective 
grounding terminal. Doing so invali-
dates the protective functions of the 
instrument and poses a potential 
shock hazard.
● 
Do Not Operate with Defective Protec-
tive Grounding
  Do not operate the instrument if the 
protective grounding might be defec-
tive. Also, make sure to check them 
before operation.
●
 
Do Not Operate in an Explosive Atmo-
sphere
  Do not operate the instrument in the 
presence of ammable gas, vapors, or 
combustible dust. Operation in such 
an environment constitutes a safety 
hazard. Prolonged use in a highly 
dense corrosive gas (H
2
S, SOx, etc.) 
will cause a malfunction.
● 
Do Not Remove Covers
  The cover should be removed by 
Yokogawa’s qualied personnel only. 
Opening the cover is dangerous, 
because some areas inside the instru-
ment have high voltages.
●
 
Ground the Instrument before Making 
External Connections
  Connect the protective grounding 
before connecting to the item under 
measurement or control unit.
●
 
Damage to the Protection
  Operating the instrument in a man-
ner not described in this manual may 
damage the instrument’s protection.
●
 
Wiring
  To prevent shock, attach the included 
terminal cover after wiring. Make sure 
to use appropriate wires and crimp-on 
lugs.
  If hazardous external voltage (30 V 
AC or 60 V DC or more) is applied to 
the I/O terminals, provide adequate 
protection to prevent users or service 
engineers from suddenly touching 
the terminals or tools or the like from 
coming in contact with the terminals.
This instrument is a Class A product. 
Operation of this instrument in a 
residential area may cause radio 
interference, in which case the user is 
required to take appropriate measures to 
correct the interference.