RKI Instruments RM-5000 Series Indicator/Alarm Unit - Manual (Page 6)

2 Important Notices on Safety 2-2. Warning cases
RM-5000 - 6 -
WARNING
Specified devices
Connect the indicator/alarm unit only to the specified devices. If it is connected to any unspecified
device, the indicator/alarm unit or the connected device may be damaged.
Power supply
Before turning on the indicator/alarm unit, always check that the voltage is properly applied. Do not
use an unstable power supply because it may cause malfunctions.
Need of grounding circuit
Do not cut the grounding circuit or disconnect the wire from the grounding terminal.
Defects in protective functions
Before starting the indicator/alarm unit, check the protective functions for defects. When seeming
defects are found in the protective functions, such as protective grounding, do not start the
indicator/alarm unit.
External connection
Before connecting the indicator/alarm unit to the external device, securely connect it to a protective
grounding circuit.
Operation in a gas
Do not operate the indicator/alarm unit in a place where combustible gases or vapors are present.
Operating the indicator/alarm unit in such an environment will lead to extreme dangers.
Response to gas alarm
Issuance of a gas alarm indicates that there are extreme dangers. Take proper actions based on
your judgment.
2-2. Warning cases