MKS Instruments 974B Vacuum Pressure Transducer

class pymeasure.instruments.mksinst.mks974b.MKS974B(adapter, name='MKS 974B vacuum pressure transducer', address=253, **kwargs)

Bases: MKSInstrument

MKS 974B vacuum pressure transducer

Connection to the device is made through an RS232/RS485 serial connection.

The 974B pressure transducer is a pressure gauge combining a cold cathode ionization current measurement, a Pirani sensor, and a Piezo sensor to cover a large pressure range. It optionally includes up to three mechanical relays which can be energized based on the measured pressure value.

Parameters:
  • adapter – pyvisa resource name of the instrument or adapter instance

  • name (string) – The name of the instrument.

  • address – device address included in every message to the instrument (default=253) (default: 253)

  • kwargs – Any valid key-word argument for Instrument

relay_1
Channel:

Relay

relay_2
Channel:

Relay

relay_3
Channel:

Relay

property coldcathode_pressure: Any

Get Cold Cathode sensor pressure

property device_type: Any

Get the device type

property firmware_version: Any

Get the firmware version of the instrument

property hardware_version: Any

Get the hardware version of the instrument

id()

Get the identification of the instrument.

property manufacturer: Any

Get the manufacturer name

property model: Any

Get the transducer model number

property operation_hours: Any

Get the operation hours of the instrument

property part_number: Any

Get the transducer part number

property piezo_pressure: Any

Get Piezo differential sensor pressure

property pirani_pressure: Any

Get MicroPirani sensor pressure

property pressure: Any

Get combined pressure reading

property serial_number: Any

Get the serial number of the instrument

property status: Any

Get transducer status

property switch_enabled: Any

Control the user switch to prevent accidental execution of adjustments

property temperature: Any

Get the MicroPirani sensor temperature

property unit: Any

Control pressure unit used for all pressure readings from the instrument.

Allowed units are Unit.Torr, Unit.mbar, Unit.Pa.

property user_tag: Any

Control the user programmable tag

class pymeasure.instruments.mksinst.mks974b.Relay(parent, id, **kwargs)

Bases: RelayChannel

property enabled: Any

Control the assigned input channel or disable the setpoint relay.