Picowatt¶
PicowattAVS47
Resistance Bridge¶
- class instruments.picowatt.PicowattAVS47(filelike)[source]¶
The Picowatt AVS 47 is a resistance bridge used to measure the resistance of low-temperature sensors.
Example usage:
>>> import instruments as ik >>> bridge = ik.picowatt.PicowattAVS47.open_gpibusb('/dev/ttyUSB0', 1) >>> print bridge.sensor[0].resistance
- class InputSource(value)[source]¶
Enum containing valid input source modes for the AVS 47
- actual = 1¶
- ground = 0¶
- reference = 2¶
- class Sensor(parent, idx)[source]¶
Class representing a sensor on the PicowattAVS47
Warning
This class should NOT be manually created by the user. It is designed to be initialized by the
PicowattAVS47
class.
- property display¶
Gets/sets the sensor that is displayed on the front panel.
Valid display sensor values are 0 through 7 (inclusive).
- Type:
- property excitation¶
Gets/sets the excitation sensor number.
Valid excitation sensor values are 0 through 7 (inclusive).
- Type:
- property input_source¶
Gets/sets the input source.
- property mux_channel¶
Gets/sets the multiplexer sensor number. It is recommended that you ground the input before switching the multiplexer channel.
Valid mux channel values are 0 through 7 (inclusive).
- Type:
- property remote¶
Gets/sets the remote mode state.
Enabling the remote mode allows all settings to be changed by computer interface and locks-out the front panel.
- Type:
- property sensor¶
Gets a specific sensor object. The desired sensor is specified like one would access a list.
- Return type:
See also
PicowattAVS47
for an example using this property.