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Data Sheets

Product Data Sheets (.pdf format)

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Short Form Catalog

32 page, full-color catalog containing the primary GEOKON product lines Rev. J.6 12.2019

Strain Gauges

Model Number/DescriptionRevision:Date:
3900 Embedment Strain Gauge Rev. E 08.2021
4000 Vibrating Wire Arc Weldable Strain Gauge Rev. F 04.2019
FP4000 Fiber Optic Strain Gauge Rev. E 04.2019
ST-350 Dynamic Strain Transducer Rev. B 04.2019
4100 Series Vibrating Wire Spot-Weldable Strain Gauges Rev. H.1 03.2021
4200 Series Vibrating Wire Concrete Embedment Strain Gauges Rev. I 04.2019
4435 Vibrating Wire Soil Extensometer Rev. B 04.2019
4911/4911A Vibrating Wire Rebar Strain Meters (“Sister Bars”) Rev. F.7 04.2019
3911/3911A Electrical Resistance Type Rebar Strain Meters (“Sister Bars”) Rev. B 10.2021
FP4911 Fiber Optic Rebar Strainmeter (“Sister Bars”) Rev. C 04.2019

Displacement Transducers

Model Number/DescriptionRevision:Date:
4400 Series Vibrating Wire Displacement Transducers Rev. O 04.2020
4415 3D Crackmeter Rev. C.1 04.2020
4430 Vibrating Wire Deformation Meter Rev. C.1 06.2021
4435 Vibrating Wire Soil Extensometer Rev. B 04.2019


Model Number/DescriptionRevision:Date:
A-3, A-4, A-5 Rod-Type Borehole Extensometers Rev. G.1 10.2019
A-6 Flexible Rod-Type Borehole Extensometer Rev. B.1 10.2019
A-9 Retrievable Extensometer Rev. G.2 04.2020
1610 GEOKON/Ealey Tape Extensometer Rev. E.1 06.2021
1900 Magnetic Extensometer Rev. H.1 05.2021
1950 Settlement Points (Borros Type) Rev. D 04.2019


Model Number/DescriptionRevision:Date:
3400 Semiconductor Piezometers and Pressure Transducers Rev. C 04.2019
4500 Series Vibrating Wire Piezometers and Pressure Transducers Rev. N.2 09.2021
4500CR Corrosion Resistent Piezometers and Pressure Transducers Rev. A.2 10.2021
4500HT • 4500HHT High Temperature Piezometer and Pressure Transducers Rev. G.3 02.2021
4500MLP Multilevel Piezometer Rev. G 04.2019
4570 Series (Level 1000, Level 2000) Downhole Water Level Dataloggers Rev. C 04.2019
4590 Casagrande Standpipe Piezometer Rev. C 04.2019
4675LV Vibrating Wire Weir Monitor Rev. D.3 08.2021

Settlement Sensors

Model Number/DescriptionRevision:Date:
4600 Series Vibrating Wire Settlement Systems Rev. M 05.2021
4625 Settlement Plate Rev. B.1 06.2021
3655 • 4655 Multipoint Settlement Systems Rev. B.4 04.2019
4675OC Precision Settlement Monitoring System Rev. B 04.2019

Pressure Cells

Model Number/DescriptionRevision:Date:
4800 Series Earth Pressure Cells Rev. I 04.2019
4815 Series Pressure Cells, Granular Soils Rev. B 04.2019
4850 NATM Style Shotcrete Stress Cell Rev. L 04.2019

Load Cells

Model Number/DescriptionRevision:Date:
3000 Series Electrical Resistance Type Load Cells Rev. B 04.2019
4900 Series Vibrating Wire Load Cells Rev. J 04.2019
4910 Vibrating Wire Instrumented Rockbolt Rev. D 04.2019
4915 Tension Load Cell Rev. B 04.2019


Model Number/DescriptionRevision:Date:
GK-604D MEMS Digital Inclinometer | Spiral Indicator System Rev. E 05.2021
SiteMaster · SiteMaster Plus Inclinometer Data Reduction Software Rev. C 05.2019
6150F Series MEMS In-Place Inclinometer Systems Rev. A 02.2020
6155 MEMS Horizontal In-Place Inclinometer Rev. E 05.2019
6180 Vertical In-Place Inclinometer System Rev. A 05.2021
6300 Vibrating Wire In-Place Inclinometer Rev. G 05.2019
6400 Glue-Snap ABS Inclinometer Casing Rev. E 12.2020
6500 Inclinometer Casing Rev. E 05.2019
6600 Quick-Lock Inclinometer Casing Rev. A 01.2021

Tiltmeters · Pendulums

Model Number/DescriptionRevision:Date:
6101D MEMS Digital Tiltmeter Rev. A.6 12.2020
6160 MEMS Tilt Sensors Rev. B 05.2019
6161 MEMS Tilt Sensors Rev. J 04.2019
8003 (LC-3) Series MEMS Dataloggers Rev. C 05.2019
6350 Vibrating Wire Tiltmeter Rev. H 05.2019
6165 MEMS Tilt Beam Rev. B.1 04.2020
6850 Pendulum Readout Rev. E.3 04.2019


Model Number/DescriptionRevision:Date:
GK-404 Vibrating Wire Readout Rev. E 05.2019
404 Intrinsically Safe Vibrating Wire Readout Rev. B 05.2019
GK-405 Vibrating Wire Readout Rev. B.3 12.2020
GK-406 Vibrating Wire Analyzer Rev. Init 06.2020
FPC-2 Field PC Rev. B.1 12.2020
GK-502 Load Cell Readout Rev. B 05.2019
RB-500 MEMS (Micro Electro Mechanical Sensor) Readout Rev. D 05.2019
4999 Terminal Box Rev. D 05.2019
4999-12L/E LAB3 Surge Module Rev. F 02.2021

Dataloggers · Software

Model Number/DescriptionRevision:Date:
8002 (LC-2) Series Dataloggers (Single-, 4- and 16- Channel) Rev. H 05.2021
8003 (LC-3) Series MEMS Dataloggers Rev. C 05.2019
8001-3 LogView Software Rev. D 05.2019
8001-10 LogView Mobile Software Rev. D 05.2019
8032 Multiplexer (MUX) Rev. G 04.2021
8040 Series Wireless Vibrating Wire Interface Rev. B 10.2019
8600 Series Dataloggers Rev. B.2 05.2021
8600-3 Wireless Datalogger Rev. C 06.2019
8800 Series GeoNet Wireless Data Acquisition Network Rev. H.2 08.2021
8800-GNA Agent Software Rev. Init 11.2020
8900 Series GeoNet Wireless Data Hosting System Rev. B.4 07.2021
VDV Data Visualization Software Rev. H 05.2019
8020-30 Addressable Vibrating Wire Interface Rev. C 02.2021
8020-38 Addressable Bus Converter Rev. Init 08.2019
8020-59 Vibrating Wire Frequency to Analog Converter Rev. B 05.2019
8960-01C Addressable Vibrating Wire Interface Rev. Init 08.2019
4500CPR • 8020-42CPR • AR Series Autoresonant Vibrating Wire Sensors Rev. B 05.2019


Model Number/DescriptionRevision:Date:
3200 Hydraulic Borehole Pressure Cells Rev. F 02.2021
4300 Vibrating Wire Stressmeters Rev. D 01.2021
4350 Biaxial Stressmeter Rev. C 05.2019
4360 Soft Inclusion Stress Cell (SISC) Rev. C 05.2019
4370 Concrete Stressmeter Rev. D 05.2019
5000 Borehole Deformation Gauge Rev. C 05.2019

Fiber Optic

Model Number/DescriptionRevision:Date:
FP4000 Fiber Optic Strain Gauge Rev. E 04.2019
FP4700 Fiber Optic Temperature Sensor Rev. D 04.2019
FP4911 Fiber Optic Rebar Strainmeter (“Sister Bars”) Rev. C 04.2019


Model Number/DescriptionRevision:Date:
3800 Thermistor Probe Rev. F 05.2021
3810 Thermistor String Rev. F 05.2021
3810A Addressable Thermistor String Rev. F 05.2021
4700 · 4700HT Vibrating Wire Temperature Sensors Rev. E 05.2019
FP4700 Fiber Optic Temperature Sensor Rev. D 04.2019


Model Number/DescriptionRevision:Date:
2100 Nold DeAerator™ Rev. D 04.2019
Instrumentation Cables Rev. H.1 10.2021