Parr Instrument Series 4558 - Manual (Page 7)

4555 - 58 Series
5G & 10L Pressure Reactors
- 6 -
Explanation of Symbols
I On position
O Off position
~ Alternating current (AC)
3 ~ Three – phase alternating current
This CAUTION symbol may be present on the Product
Instrumentation and literature. If present on the product, the
user must consult the appropriate part of the accompanying
product literature for more information.
This CAUTION symbol indicates that the surface may be hot.
Protective Earth (PE) terminal. Provided for connection of
the Protective Earth (green or green/yellow) supply system
conductor.
Environmental Conditions
This apparatus is to be used indoors. It should be secured to the floor in a well-ventilated
area with convenient access to an electric outlet, running water and a drain.
Operating:
15 °C to 35 °C; maximum relative humidity of 80% non-condensing.
Installation Category II (overvoltage) in accordance with IEC 664. Pollution
degree 2 in accordance with IEC 664.
Altitude Limit: 2,000 meters.
Storage: -25 °C and 65 °C; 10% to 85%
relative humidity.