Grounded 3P power
outlet (15 A)
Grounded 3P power
outlet (15 A)
750 mm
or more
below
ground
300 mm
2 mm
10 mm
(b) For the Instrument Provided with Thermostat
(i) Usual grounding connection (with grounded 3P
power outlet)
Ground resistance
100 Ω or less
Grounding electrode
(underground section)
Grounding construction
for 100 Ω or less
Grounding resistance
100 Ω or less
Grounding
electrode
(underground
section)
Grounding construction for
100 Ω or less
Appended Fig. 1-3 Grounding Method
APPENDIX 1 - 8
Grounded 3P
table tap
Power cord
(attached to
instrument)
Chromaster 5210
autosampler
Grounded 3P
table tap
Organizer or
AC adapter (option)
Thermostat
Connector
Connector
Rear panel