Toshiba GF632 Instruction Manual page 16

Ground the GF630/LF600F,
GF630/LF610F and GF632 independently
from power equipment. (100 ohm or less
ground resistance)
Operating this product without
grounding can cause electric
shock or malfunction.
DO
Install a switch and fuse to isolate the
GF630/LF600F, GF630/LF610F and GF632
from mains power.
Power supply from mains power
can cause electric shock or
circuit break-down.
DO
Do not work on piping and wiring with wet
hands.
Wet hands may result in electric
shock
DON'T
To put the flowmeter temporarily on the floor,
place it carefully with something, such as
stopper, to support it so that
GF630/LF600F, GF630/LF610F and GF632
will not topple over.
Stopper, etc. to prevent
from toppling over it.
DO
CAUTION
Use an appropriate device to carry and install
the GF630/LF600F, GF630/LF610F and GF632 .
If his product falls to the ground,
injury, or malfunction of or damage to
the product, can be caused.
DO
Do not modify or disassemble the
GF630/LF600F, GF630/LF610F and GF632
unnecessarily.
Modifying or disassembling this product
can cause electric shock, malfunction
or damage to this product.
DON'T
The label shown left is placed near the
terminal board for power supply to the
converter.
Be alert to electric shock
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flowmeter