
FOS Strain Gauge
The FOS is a Fabry-Perot fiber-optic strain gauge from Roctest, bonded to a specimen to…
- Range
- ±1000, ±2500 or ±5000 microstrain
- Temp
- -40°C to +250°C (cable and adhesive dependent)
Instruments, loggers, systems, accessories and software — by name, part number or what you’re measuring.

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

The RT1 is an affordable rooftop solar monitoring sensor that combines a pyranometer and…

The d-REBAR is an instrumented rock bolt that monitors how strain and load develop along…

The BOR-EX is a rod-type multiple-point borehole extensometer (MPBX) from Roctest used to…

The Groundview 100 is a portable borehole video inspection system with a hand winch and…

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

The SM-5 is a surface-mounted vibrating wire strain gauge from Roctest, composed of two…

The digi-Cable is a digital cable that allows geotechnical engineers and technicians to…

Complete range of high quality instruments for the measurement of every part of the solar…
Complete range of high quality instruments for the measurement of every part of the solar spectrum, from the ultraviolet to the far infrared.

The DiTemp Light Reading Unit is an entry-level Raman OTDR interrogator for distributed…

The ESS Minifrac is a compact, self-contained hydraulic fracturing system for quick…


The MetSpec Instrument Shelter is a double-louvred, UV-stable radiation shield used to…

The Lufft WS502 is an all-in-one compact weather station measuring air temperature,…

The d-Plucker is a Yieldpoint interface that converts vibrating-wire (VW) transducers,…

The Zata ZAQ260 is an outdoor air quality sensor that adds precipitation monitoring to…

The HID Cell Interface is a compact breakout box that connects ESS HID stress sensors to…

Built around "plug and play" digital sensor technology, the ODEON-PHOTOPOD is an…

The SHP1 is Kipp & Zonen's smart pyrheliometer for measuring direct normal irradiance,…

ESS's All-in-One Compact Weather Station is a Zata-brand family of digital sensors, 140mm…

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

The Groundview 500 is a pan-and-tilt full-HD downhole and shaft inspection camera from…

The CONVEX-D digital tape extensometer measures the relative change in distance between…

The ZDM100 Disdrometer is a laser-based instrument that measures the drop size, velocity…
Not sure which one?
Start from the problem, not the part number. An ESS engineer will specify the instruments and quote them.