Handling Precautions of the GX/GP
•  Use care when cleaning this instrument, especially 
its plastic parts. Use a soft dry cloth. Do not use 
organic solvents, such as benzene or thinner, or 
other cleansers. They may cause discoloring and 
deformation.
•  Keep electrically charged objects away from the signal 
terminals. Failure to do so may damage the GX/GP.
•  Do not apply volatile chemicals to the display, panel 
keys, etc. Do not allow rubber and vinyl products to 
remain in contact with the GX/GP for long periods of 
time. Doing so may damage the GX/GP.
•  When not in use, make sure to turn off the power 
switch.
•  If there are any symptoms of trouble such as strange 
odors or smoke coming from the GX/GP, immediately 
turn off the power switch and the power supply source. 
Then, contact your nearest Yokogawa dealer.
SD Memory Card Handling Precautions
•  SD memory cards are delicate and should be handled 
with caution.
•  Yokogawa provides no warranty for damage to, or loss 
of data recorded on the SD memory card, regardless 
of the cause of such damage or loss. Please always 
make backup copies of your data.
•  Do not store or use the SD memory card in places with 
static electricity, near electrically charged objects, or 
where electrical noise is present. Doing so can result in 
electric shock or damage.
•  Do not disassemble or modify the SD memory card. 
Doing so can result in damage.
•  Do not physically shock, bend, or pinch the SD memory 
card. Doing so can lead to malfunction.
•  During reading/writing of data, do not turn OFF the 
power, apply vibration or shock, or pull out the card. 
Data can become corrupt or permanently lost.
•  Only use Yokogawa SD memory cards. Operation 
cannot be guaranteed with other brands of card.
•  When inserting the SD memory card into the 
instrument, make sure you orient the card correctly 
(face up or down) and that you insert it securely. If not 
inserted correctly, the card will not be recognized by 
the instrument.
•  Never touch the SD memory card with wet hands. 
Doing so can lead to electric shock or malfunction.
•  Never use the SD memory card if it is dusty or dirty. 
Doing so can lead to electric shock or malfunction.
•  The SD memory card comes formatted.
  SD cards must be formatted according to the standard 
established by the SD Association (https://www.sdcard.
org/home). If you want format the SD memory card, 
use the instrument’s Format function. If using a PC 
to perform the formatting, use the SD card formatter 
software available from the above SD Association.
•  You can use SD/SDHC cards (up to 32 GB) on the GX/
G P.
SD Memory Card Specifications and Characteristics
Electrical specifications Operating voltage: 2.7 V to 3.6 V (memory 
operation)
Operating temperature / 
humidity conditions
–25 to 85°C / 20 to 85% RH, no condensation
Storage  temperature / 
humidity conditions
–40 to 85°C / 5 to 95% RH, no condensation
Unit: mm
32 ± 0.1
24 ± 0.1
WP
SD
Writable
Write-protected
Checking the Package Contents
After receiving the product and opening the package, 
check the items described below. If the wrong items 
have been delivered, if items are missing, or if there is a 
problem with the appearance of the items, contact your 
nearest Yokogawa dealer.
Check that the product that you received is what you 
ordered by referring to the model name and suffix code 
given on the name plate on the GX/GP.
NO. (Instrument Number)
When contacting the dealer from which you purchased the 
instrument, please give them the instrument number.