https://measurementsystems.org/en-gb/product/foif-lp402l-digital-laser-theodolite 2026-08-06 https://measurementsystems.org/image/catalog/ecom_bridge/991/foif-lp402l-digital-laser-theodolite.webp FOIF LP402L Digital Laser Theodolite monthly 0.5 https://measurementsystems.org/en-gb/product/foif-el28-digital-level 2026-08-06 https://measurementsystems.org/image/catalog/ecom_bridge/992/foif-el28-digital-level.webp FOIF EL28 Digital Level monthly 0.5