MKS Micro-Baratron 870B, Instruction Manual, Page: 40 / 68

Electrical Information Chapter Two: Installation
30
Electrical Information
Voltage Unit
The 870/872 transducer with a voltage output requires an external power source capable of
supplying the voltages listed in Table 5, page 22. Noise and ripple should be less than 2 mV
(peak-to-peak) over a 10 kHz bandwidth.
You may use any readout device capable of reading from -0.6 V to 11 V. Refer to Figure 5 for
the power, signal, and chassis grounding scheme for a voltage unit.
Note The ground of any external power supply and readout should be the same
as the transducer ground (chassis ground) to minimize any possible ground
loops and power supply noise which can affect the performance and
stability of the system.
Readout
Power
Supply
+
-
0 to 5 V or 0 to 10 V Pressure Output
Pressure Return
+12 to +32 V (for 0 to 5 V)
Power Return
10K
Multiple Ground
Tie-Point
0.3 F
µ
+13 to +32 V (for 0 to 10 V)
or
Sensor Port
Chassis
Ground
Figure 5: Electrical Scheme for a Voltage Unit