
HPQ2-IP SP101009.102 – 10 October 2012
MKS Instruments, Spectra Products
4
Safety
IP20 to EN60529
The protective earth conductor of the power cord must be connected to the power
source protective earth terminal.
There are no operator replaceable parts within the 24VDC power supply unit or the
HPQ2 unit.
Connectors
The connectors for external circuits are for use only with MKS Spectra equipment, or
equipment which has no accessible hazardous live parts.
The external circuits must comply with the requirements of EN61010-1 section
6.6.1.
Ports for connection of accessories do not carry hazardous potentials.
Do not position the 24VDC power supply so that it is difficult to unplug the supply
power cord.
Installation Category II comprises mains powered, local level appliances.
Warning labels
On the front panel refers to:
a. Accessible hazardous voltages on analyser connector, when not mated to the
analyser, which may result in a non-hazardous electric stock if touched.
b. Tuning adjustment holes, which are not for operator use.