PARSTAT MC Hardware Manual
PARSTAT MC Hardware Manual 10
Before assembling the system, give some thought to component placement. You will of course need
convenient access to the computer keyboard and, if applicable, the printer. Depending on the application,
you might also need to connect and disconnect the cell leads regularly.
Prevent objects from contacting or interfering with the chassis fan (PMC FAN01).
Take caution with moving parts.
When you are satisfied that the system is ready to install, connect the units according to the instructions in
Chapter 3.
NOTE: The standard system does not include an electrochemical cell. You must supply a suitable cell and
electrodes.
2.2. Ventilation
PMC CHS08A specifications apply at the nominal line voltage + and at a temperature of 25
o
C (77
o
F)
unless otherwise noted. Ambient temperature must not exceed 40
o
C (104
o
F). See Section 5 for more
detailed environmental specifications.
To maintain a safe operating temperature, allow some free space (minimum 15 cm) at the back of the PMC
CHS08A for adequate air circulation. There must be adequate circulation between the spaces at the back
of the chassis and the ambient laboratory air. In a typical bench top installation, these requirements are
satisfied with a large safety margin.
CAUTION Because the ventilation for the PMC CHS08A is at the back and bottom of the chassis,
rack mounting in an enclosed cabinet is not recommended. Well ventilated rack mounts should not pose
any issue.
When the instrument is running all slots of the PMC CHS08A should be occupied by either potentiostat
channels or blank modules. This will successfully baffle the air flow from the fan module of the chassis
(PMC FAN01) over the active potentiostat cards.
If the potentiostats are active and not all slots are occupied, overheating the channels is possible and may
cause them to shut down until they cool.
2.2.1. Transient Sensitivity
Princeton Applied Research instruments are designed and constructed to ensure normal operation in the
presence of moderate transient levels. Although these provisions are sufficient for operation in most places
where the equipment is used, it is certainly possible for transient levels in particular environments to be so
severe that they make reliable operation uncertain. There are three general types of high-level transients:
1. Static discharge
Transients from this source generally affect input or output circuits, input circuits that include MOS field-
effect transistors to achieve high input impedance are particularly susceptible to damage from this source.
Damage typically occurs when the charge built up on a user’s body discharges into an input or output
connector as a connection is being made. Among the factors determining the tendency for charges to build
are the kind of clothing fabrics worn, shoe materials, and the materials in the floor or floor covering.
2. High-level transients generated internal to the place of use
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