Gamry Instruments EIS Box, Operator'S Manual, Page: 9 / 52

Safety Considerations
9
Chapter 1: Safety Considerations
Your EIS Box instrument has been supplied in a safe condition. This chapter of the EIS Box Instrument
Operator’s Manual contains information and warnings that you must follow to ensure continued safe operation
of the EIS Box.
Inspection
When you receive your EIS Box instrument, inspect it for evidence of shipping damage. If you observe any
damage, please notify Gamry Instruments Inc. and the shipping carrier immediately. Save the shipping
container for possible inspection by the carrier.
Product Safety
The EIS Box has been designed, tested, and certified to meet the requirements of EN 61010, Safety
requirements for electrical equipment for measurement, control, and laboratory use . As defined in this standard,
it is a Category II apparatus, with any “ hazardous live voltages ” protected by “ reinforced insulation ” .
Most of the EIS Box circuitry operates at voltages low enough to be considered safe. The EIS Box contains a
limited amount of internal circuitry that is at “hazardous live” voltage as defined in EN 61010 (the standard
mentioned above). “Reinforced insulation” (again defined in EN 61010) is used to reduce the risk o f electrical
shock caused by this hazardous live voltage.
The majority of the EIS Box’s circuitry does not contain voltages higher than 15 V DC. Generally input and
output voltages in the EIS Box are limited to
±
9 V. This voltage level is considered safe.
The EIS Box is normally provided with an AC line cord suitable for your location. This AC line cord connects the
AC mains to the chassis of the instrument. You must always use a line cord with a CEE 22 Standard V female
connector on the instrument end of the cable. If your EIS Box has been provided without an AC line cord, or a
cord that is not compatible with your local AC mains socket, obtain a line cord certified for use in your country.
Contact your local Gamry Representative or email to
techsupport@gamry.com if you are uncertain what AC
line cord to use.
Grounding in the EIS Box
Protective Ground and System Ground Binding Posts
The Protective Ground binding post is a convenient access point to the protective (earth) ground in the EIS
Box. It is connected to the third wire in the AC power cord and to the EIS Box’s metal chassis.
This binding post can be connected to an additional earth ground to form a redundant protective ground.
The EIS Box’s power input is rated for operation from 100 to 240 V AC, 47 to 63 Hz. It
should therefore be useful throughout the world.
Warning:
An EIS Box damaged in shipment can be a safety hazard. Do not operate
damaged apparatus until a qualified service technician has verified its safety. Tag a damaged EIS Box to
indicate that it could be a safety hazard.