sensor_characteristics

Download the definition as a CSV file: csv.

Definition of the sensor_characteristics table.

Property	Kind	References	Requirement	Description
id	str		Required	Primary key for this record.
equipment	str	master_data.equipment.id	Required	The equipment / sensor to which this record applies.
observed_property	str	reference_data.observed_property.id	Required	The observed parameter to which this record applies.
observing_method	str	reference_data.observing_method.id	Required	Primary method/principles by which the sensor makes measurements.
observing_method_details	str		Optional	A description of the method of measurement/observation used.
measurement_units	int		Optional	The units used in this record.
drift_per_unit_time	float		Optional	Intrinsic capability of the measurement/observing method - drift per unit time. Typically a percentage per unit time but could be absolute e.g. 1 degree per year.
unit_time	int		Optional	Unit time for drift per unit time (seconds).
valid_min	float		Optional	Minimum observable value by sensor, in units specified by measurement units.
valid_max	float		Optional	Maximum observable value by sensor, in units specified by measurement units.
specified_absolute_uncertainty	float		Optional	Measurement uncertainty for measurements from this sensor, 2 sigma. Units as per measurement units.
specified_relative_uncertainty	float		Optional	Measurement uncertainty for measurements from this sensor, 2 sigma. Units in %, e.g. 20 %.
links	dict		Optional	Link(s) to further information.
_version	int		Required	Version number of this record.
_change_date	datetime		Required	Date this record was changed.
_user	str	admin.user.id	Required	Which user/agent last modified this record.
_status	str	reference_data.status.id	Required	Whether this is the latest version or an archived version of the record.
_comments	str		Required	Free text comments on this record, for example description of changes made etc.