Chapter One: General Information Introduction
17
Chapter One: General Information
Introduction
The MKS Type 246C Single Channel Power Supply/Readout is designed as a power
supply/readout and set point source for one analog mass flow controller (MFC). The unit can
also power and monitor the flow rate through an analog mass flow meter (MFM).
The 246 unit consists of a ±15 VDC power supply, a set point circuit (MFC only), and a digital
panel meter (DPM) to display the flow rate of the mass flow device. It may also be used to
monitor and provide a set point level for an MFC and to provide ratioed set points for multiple
gas control.
The 246 unit is a versatile instrument that may be used separately or as part of a larger control
system. Multiple units can be mounted in a unique 19” full rack which holds up to five units, or
in a half-rack which holds up to two units. The 246 readout can be operated manually via the
front panel controls, through an external controller, or through remote TTL logic control.
The 246 readout is primarily designed to interface with MKS mass flow controllers; however,
with the proper interface cables, you can use most major MFCs. Refer to Table 5, page 20, for a
list of MKS interface cables.
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