Inspection And Check Procedures; Insulation Resistance - GRAPHTEC midi LOGGER GL350 Service Manual

5. INSPECTION AND CHECK PROCEDURES

Note:
You need the GL400 top cover assembly as a setup jig for the GL350 when you inspect the GL350.

5.1 Insulation Resistance

Use a megohm meter (an insulation resistance gauge) to check that the insulation resistance between the
following terminals is equal to or higher than the rated value.
Measuring Terminals
Ch1-b to GND (FG)
Wiring connection
Connect both ends to GND
GL400-UM-251-9370
Rated value
Megohm meter with an
output capacity of 500
VDC, insulation resistance
is 50 M ohm or more.
500 V megohm meter
GND
10 channel terminal unit
AC adapter
5. INSPECTION AND CHECK PROCEDURES
Remark
1 channel
Connect to CH1-b
20 channel terminal unit
5-1