
EFO Embeddable Fibre Optic Strain Sensor
The EFO is a 70 mm fibre optic strain sensor with a stainless steel body and two flanges,…
- Range
- ±1500 µε (other ranges available on request)
- Temp
- -40 to +55°C (cable dependent)
Instruments, loggers, systems, accessories and software — by name, part number or what you’re measuring.

The EFO is a 70 mm fibre optic strain sensor with a stainless steel body and two flanges,…

The fill extensometer Model ERI consists of a telescopic outer PVC pipe fitted with two…

The Fiber Optics Maintenance Kit is a cased set of tools for cleaning, inspecting and…

This distributed fibre optic sensing system uses a single fibre to continuously measure…

The FOD is an absolute-position fibre optic linear displacement transducer used for…

The FOP-MicroPZ is a robust and ultra-compact fiber optic piezometer used to measure…

The FOR-1 is a single-channel, battery-powered fibre optic readout unit for measuring…

The FOS is a Fabry-Perot fiber-optic strain gauge from Roctest, bonded to a specimen to…

FOT-N temperature transducer combines all the desired characteristics expected from the…

The FPC-2 pneumatic piezometer consists of a thin flexible diaphragm to which the fluid…

The G-200 Fall Cone Apparatus is a laboratory instrument for rapidly determining the…

The G-AM II Menard pressuremeter is a borehole probe and control-unit system from Menard…

The Gecko Blast is an ESS-made compact triaxial velocity sensor and data logger for…

The Gecko is ESS's 7th-generation compact seismograph, continuously recording ground…

The Gecko Force is an ESS-made blast monitor with low-frequency geophones, built for…

Geophone-based blast monitoring uses ESS's Gecko recorders to digitise and log any brand…

GEOSTRING is an in-place MEMS inclinometer system that continuously measures subsurface…

The GW50 is a nitrate sensor designed for installation in 50 mm wells, which can often be…

The HYDLO Hydraulic Load Cell is a sealed, oil-filled cell that measures tensile or…

The HydraProbe is a rugged, scientifically validated soil moisture sensor that…

The JM series is a vibrating-wire displacement transducer used to monitor movement at…

The LP and MP series are inflatable packers used to seal boreholes or casings, consisting…

The M-1000 is a mechanical field instrument for determining the in-situ undrained shear…

The MB3a is an analogue infrasound sensor (microbarometer) manufactured by Seismo Wave,…
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Start from the problem, not the part number. An ESS engineer will specify the instruments and quote them.