Question

what is hygrometer....?​

Answer 1

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• ᴀ ʜʏɢʀᴏᴍᴇᴛᴇʀ ɪs ᴀɴ ɪɴsᴛʀᴜᴍᴇɴᴛ ᴜsᴇᴅ ᴛᴏ ᴍᴇᴀsᴜʀᴇ ᴛʜᴇ ᴀᴍᴏᴜɴᴛ ᴏғ ᴡᴀᴛᴇʀ ᴠᴀᴘᴏʀ ɪɴ ᴀɪʀ, ɪɴ sᴏɪʟ, ᴏʀ ɪɴ ᴄᴏɴғɪɴᴇᴅ sᴘᴀᴄᴇs. ʜᴜᴍɪᴅɪᴛʏ ᴍᴇᴀsᴜʀᴇᴍᴇɴᴛ ɪɴsᴛʀᴜᴍᴇɴᴛs ᴜsᴜᴀʟʟʏ ʀᴇʟʏ ᴏɴ ᴍᴇᴀsᴜʀᴇᴍᴇɴᴛs ᴏғ sᴏᴍᴇ ᴏᴛʜᴇʀ ǫᴜᴀɴᴛɪᴛɪᴇs sᴜᴄʜ ᴀs ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ, ᴘʀᴇssᴜʀᴇ, ᴍᴀss, ᴀ ᴍᴇᴄʜᴀɴɪᴄᴀʟ ᴏʀ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴄʜᴀɴɢᴇ ɪɴ ᴀ sᴜʙsᴛᴀɴᴄᴇ ᴀs ᴍᴏɪsᴛᴜʀᴇ ɪs ᴀʙsᴏʀʙᴇᴅ.

Answer 2

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• an instrument for measuring the humidity of the air or a gas.