Date of record creation (n: 96)

— Select property — Owner (aggregated) Repository Owner Manufacturer Manufacturer (aggregated) Instrument type Instrument type (aggregated) Model Model (aggregated) Measured variable Measured variable (aggregated) Resource type Resource type (aggregated) Subject Subject (aggregated) — Select value — + Top5 n>4

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Owner frequency by PID provider

Aggregate owners by organization Expand all Owner Map

Owner	DataCite (n)	B2INST (n)
Helmholtz Centre for Environmental Research - UFZ	0	71
Karlsruhe Institute of Technology (KIT)	0	16
Helmholtz Centre Potsdam - German Research Centre for Geosciences GFZ	0	9

Manufacturer frequency by PID provider ⓘ This table lists all instrument manufacturers found in the data along with their record counts. When a manufacturer has instrument models (product types) that carry a RRID (Research Resource Identifier), a link to the RRID resource portal is displayed next to the manufacturer name after aggregation. RRIDs are persistent identifiers used primarily in the biomedical literature to cite research resources such as antibodies, cell lines, model organisms, and software tools. Instrument models represent one of the more recently added resource categories. In the PIDINST metadata schema, an RRID can serve as the modelIdentifier, linking an individual instrument instance (identified by PIDINST) to its product class (identified by RRID).

Bandrowski, A. et al. (2016). The Resource Identification Initiative: A cultural shift in publishing. F1000Research 4:134(2). https://doi.org/10.12688/f1000research.6555.2

Aggregate manufacturers by category Expand all

Manufacturer	DataCite (n)	B2INST (n)
IMMS GmbH	0	40
TRUEBNER GmbH	0	29
Developed in-house	0	14
Stevens Water Monitoring Systems	0	7
METER Group, Inc. USA	0	3
Sentek	0	2
TekBox Digital Solutions Pte. Ltd.	0	1

Instrument type frequency by PID provider

Aggregate instrument types by category Expand all

Instrument type	DataCite (n)	B2INST (n)
Soil moisture and temperature sensor	0	96

Model frequency by PID provider

Aggregate models by manufacturer Expand all

Model	DataCite (n)	B2INST (n)
HydraProbe Professional SDI-12	0	7
TEROS54	0	3
DD	0	2
GSM-SOIL-2	0	2

Measured variable frequency by PID provider

Aggregate measured variables by category Expand all

Measured variable	DataCite (n)	B2INST (n)
Soil moisture	0	96
Soil temperature	0	95
Relative permittivity	0	67
Relative humidity, data logger	0	40
Temperature, data logger	0	40
GPS position, latitude	0	35
GPS position, longitude	0	35
Received signal strength indication	0	15
Status message, device	0	15
Bulk electrical conductivity	0	7
Real dielectric constant	0	7
Frame count, data	0	1
Voltage, battery	0	1

Resource type frequency (DataCite only)

Aggregate resource types by category Expand all

Resource type	DataCite (n)
No data available

Subjects frequency (DataCite only)

Aggregate subjects by category Expand all

Subjects	DataCite (n)
No data available

Repository frequency by PID provider

Derived from the landing page URL of each record. Indicates the repository or platform hosting the instrument record landing page.

Repository	DataCite (n)	B2INST (n)
UFZ Sensor Management System	0	71
KIT AtmoHub Sensor Management System	0	16
GFZ Sensor Management System	0	9

Metadata completeness (B2INST only)

— Select field — Owner Owner (aggregated) Repository — Select value — + All Top5 n>4 Clear

Field	Total
Name (M)	100.0%
Owner (M)	100.0%
ownerIdentifier (O)	10.4%
Manufacturer (M)	100.0%
manufacturerIdentifier (O)	50.0%
Instrument Type (R)	100.0%
instrumentTypeIdentifier (O)	52.1%
Model (R)	14.6%
Measured Variable (R)	100.0%
Description (R)	93.8%
Date (R)	5.2%
dateType (R): Commissioned	5.2%
dateType (R): DeCommissioned	2.1%
RelatedIdentifier (R)	0.0%
AlternateIdentifier (R)	100.0%
Records (n)	96