<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31358533</termId><termName>photometers</termName><termType>PT</termType><termNote><![CDATA[ Devices that measure the intensity of light falling on a surface (illuminance), or reflected by a surface (luminance), or emitted by a light source (luminous flux or luminous intensity). ]]></termNote><termCreatedDate>2026-03-30 20:36:42</termCreatedDate><relation><relationType>UF</relationType><termId>31358534</termId><termName>fotómetros</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31358535</termId><termName>photometer</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31325918</termId><termName>light measuring devices</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31352980</termId><termName>photographic equipment</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398564</termId><termName>goniophotometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398566</termId><termName>photoelectric photometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398573</termId><termName>spectrophotometers</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31398575</termId><termName>light meters</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31317188</termId><termName>photometry</termName><termType>PT</termType></relation></term>  </Zthes>