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Catalog · Data Sheets

Instrumentation Catalog (.pdf format)

Instrumentation Catalog

DescriptionRevision:Date:
Full-color instrumentation catalog containing the primary GEOKON product lines Rev. D.14 07.2026
[SP] Catálogo Instrumentación Geotécnica + Estructural + Adquisición de Datos Rev. D.14 07.2026

Product Data Sheets (.pdf format)

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Strain Gauges

Model Number/DescriptionRevision:Date:
4000 Vibrating Wire Arc Weldable Strain Gauge Rev. I.1 05.2026
ST-350 Dynamic Strain Transducer Rev. C 05.2023
4100 Series Vibrating Wire Spot-Weldable Strain Gauges Rev. I.5 05.2026
4200 Series Vibrating Wire Concrete Embedment Strain Gauges Rev. K.4 05.2026
4435 Vibrating Wire Soil Extensometer Rev. C.3 07.2025
4911/4911A Vibrating Wire Rebar Strain Meters (“Sister Bars”) Rev. G.2 12.2025

Displacement Transducers

Model Number/DescriptionRevision:Date:
4400 Series Vibrating Wire Displacement Transducers Rev. Q 07.2026
4415 3D Crackmeter Rev. C.3 05.2023
4430 Vibrating Wire Deformation Meter Rev. D.2 07.2025
4435 Vibrating Wire Soil Extensometer Rev. C.3 07.2025

Extensometers

Model Number/DescriptionRevision:Date:
1100 Rod Type Borehole Extensometer Rev. B.3 03.2026
1300 (A-9) Retrievable Extensometer Rev. H.1 07.2026
1610 GEOKON/Ealey Tape Extensometer Rev. F 09.2023
1800 Telltales Rev. A.4 11.2023
1900 Magnetic Extensometer Rev. I.3 04.2026
1950 Settlement Points (Borros Type) Rev. E.1 11.2024

Piezometers

Model Number/DescriptionRevision:Date:
4500 Series Vibrating Wire Piezometers and Pressure Transducers Rev. O.9 06.2026
4500CR Corrosion Resistent Piezometers and Pressure Transducers Rev. A.6 11.2025
4500HT • 4500HHT High Temperature Piezometer and Pressure Transducers Rev. H 10.2023
4500MLP Multilevel Piezometer Rev. H 10.2023
4590 Casagrande Standpipe Piezometer Rev. E 05.2023
4675LV Vibrating Wire Weir Monitor Rev. E.1 05.2024

Settlement Sensors

Model Number/DescriptionRevision:Date:
4600 Series Vibrating Wire Settlement Systems Rev. O 04.2022
4625 Settlement Plate Rev. C 07.2022
3655 • 4655 Multipoint Settlement Systems Rev. D 05.2025
4675OC Precision Settlement Monitoring System Rev. C 11.2022

Pressure Cells

Model Number/DescriptionRevision:Date:
4800 Series Earth Pressure Cells Rev. J.2 12.2025
4850 NATM Style Shotcrete Stress Cell Rev. M 11.2022

Load Cells

Model Number/DescriptionRevision:Date:
3000 Series Electrical Resistance Type Load Cells Rev. C 05.2023
4900 Series Vibrating Wire Load Cells Rev. K.3 12.2025
4910 Vibrating Wire Instrumented Rockbolt Rev. E.1 03.2026
4915 Tension Load Cell Rev. C 08.2023

Inclinometers

Model Number/DescriptionRevision:Date:
GK-604D MEMS Digital Inclinometer | Spiral Indicator System Rev. H.6 02.2026
FPC-4 Field PC (Archer 4 Rugged Handheld) n/a 04.2025
6140 Vertical In-Place Inclinometer String Rev. A.9 01.2026
[FR] 6140 Chaîne IPI Verticale Rev. A.4 09.2024
[DE] 6140 Vertikaler IPI-Strang Rev. A.4 09.2024
[PT] 6140 Inclinômetro In-Place String Vertical Rev. A.4 09.2024
[SP] 6140 Cuerda IPI Vertical Rev. A.4 09.2024
6180 Vertical In-Place Inclinometer System Rev. A.8 01.2026
6185 Horizontal In-Place Inclinometer System Rev. A.3 01.2026
6300 Vibrating Wire In-Place Inclinometer Rev. H 03.2023
6400 Glue-Snap ABS Inclinometer Casing Rev. F 06.2024
6500 Fiberglass Inclinometer Casing Rev. F 09.2023
6650 Inclinometer Casing Rev. B.1 06.2026

Tiltmeters • Pendulums

Model Number/DescriptionRevision:Date:
6190 Tilt Sensors (Triaxial MEMS) Rev. A.5 12.2025
6191 Tilt Box (Biaxial MEMS) Rev. INIT 12.2025
6195 Tilt Beam (Triaxial MEMS) Rev. A.3 12.2025
6350 Vibrating Wire Tiltmeter Rev. I 03.2023
6850 Pendulum Readout Rev. G.2 04.2026

Readouts

Model Number/DescriptionRevision:Date:
FPC-4 Field PC (Archer 4 Rugged Handheld) n/a 04.2025
GK-404 Vibrating Wire Readout Rev. F 05.2023
404 Intrinsically Safe Vibrating Wire Readout Rev. C 06.2024
GK-406 Vibrating Wire Analyzer Rev. B.1 10.2023
GK-502 Load Cell Readout Rev. C.1 05.2025
4999 Terminal Box Rev. E.2 12.2025
4999-12L/E LAB3 Surge Module Rev. F 02.2021

Data Loggers • Software

Model Number/DescriptionRevision:Date:
8032 Multiplexer (MUX) Rev. H 05.2024
8600 Series Data Loggers Rev. D 01.2026
8800 • 8900 Series GeoNet Wireless Mesh Data Loggers + Data Hosting System Rev. A.10 05.2026
8910 GeoNet Wireless LoRa® Data Acquisition System Rev. B.3 05.2026
[FR] 8910 Système D’acquisition De Données Sans Fil LoRa® GeoNet Rev. B.3 05.2026
[DE] 8910 GeoNet Drahtlos LoRa® Datenerfassungssystem Rev. B.3 05.2026
[PT] 8910 Sistema De Aquisição De Dados LoRa® Sem Fio GeoNet Rev. B.3 05.2026
[SP] 8910 Sistema De Adquisición De Datos GeoNet Wireless LoRa® Rev. B.3 05.2026
8920 • 8930 Series GeoNet Network Data Loggers + Data Hosting System Rev. E.3 06.2026
8921 Series GeoNet Cellular Data Loggers + Data Hosting System Rev. A 01.2026
8940 Series GeoNet Data Loggers Rev. B.2 05.2026
8951 Series GeoNet Satellite Data Loggers Rev. A 05.2026
8960 Series GeoNet Digital Vibrating Wire Interfaces Rev. A.3 05.2026
Agent Software (8800-GNA) Rev. A 10.2024
8020-30 Addressable Vibrating Wire Interface Rev. D.1 05.2026
8020-38 Addressable Bus Converter Rev. A.1 01.2025
8020-59 Vibrating Wire Frequency to Analog Converter Rev. D 06.2025

Time Domain Reflectometry

Model Number/DescriptionRevision:Date:
Time Domain Reflectometry Cable Rev. A 09.2025

Stressmeters

Model Number/DescriptionRevision:Date:
3200 Hydraulic Borehole Pressure Cells Rev. F.1 03.2026
4300 Vibrating Wire Stressmeters Rev. D 01.2021
4350 Biaxial Stressmeter Rev. D.2 01.2026
4370 Concrete Stressmeter Rev. E 06.2024
5000 Borehole Deformation Gauge Rev. D 05.2023

Distributed Fiber Optic Sensors

Model Number/DescriptionRevision:Date:
DFOS Distributed Fiber Optic Sensors Rev. INIT 02.2025

Temperature

Model Number/DescriptionRevision:Date:
3800 Thermistor Probe Rev. A.2 10.2023
3810 Thermistor String Rev. C.4 05.2026
3810B Addressable Thermistor String Rev. C.4 05.2026
4700 • 4700LT • 4700HT Vibrating Wire Temperature Sensors Rev. G 04.2024

Miscellaneous

Model Number/DescriptionRevision:Date:
2100 Nold DeAerator™ Rev. E 06.2024
Instrumentation Cables Rev. H.7 03.2026

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