<\/div>\n
Types of textile moisture meter<\/h2>
Portable textile moisture meters use mainly capacitive plate sensors or resistive sensors with plate electrodes, which measure the change in dielectric constant or resistivity of a mass of fibre compressed between the plates. The typical range is 3-30% moisture by mass, with an accuracy of \u00b10.5-1%. The instrument incorporates a system for compressing the material (at a standardised pressure) to ensure the measurement is repeatable. Models for bales of cotton, wool and fibre (with lance probes for deep insertion into the bale) measure moisture without having to open the bale, preserving the integrity of the product. <\/p>
Thermogravimetric balances<\/h2>
Textile laboratories use thermogravimetric balances for accurate moisture measurement: a sample (generally 5-10 g) is heated under automatic control (typically 105-130 \u00b0C depending on the material) to constant weight; the built-in balance continuously measures the weight loss and calculates the moisture %. Typical time is 10-30 minutes per sample. Modern balances include programs specific to each material (cotton, wool, silk, polyester and so on) with optimised temperatures and times. They are the precision reference for batch quality control. <\/p>
Commercial moisture regain<\/h2>
In the textile trade, the \u201ccommercial regain\u201d is the reference moisture value at which material is weighed for the transaction: 8.5% for cotton, 17% for wool, 6.25% for natural silk, 4-5% for typical synthetic fibres. Differences between actual moisture and the reference value generate \u201cweight correction factors\u201d that alter the amount invoiced. Accurate and traceable moisture measurement is therefore an economically significant parameter for the textile industry. ISO 6741 (cotton), ISO 2470 (paper) and ISO 6989 govern the test and certification methods. <\/p>
Moisture meters for leather<\/h2>
The leather industry uses instruments dedicated to measuring the moisture of tanned, semi-finished and finished hides. Moisture content affects storability (leather that is too damp develops mold and degrades), workability (cutting, stitching) and the properties of the finished product (flexibility, strength). The methods used are mainly capacitive, with plate sensors matched to the typical thickness of hides. The reference standards are ISO 2419 (preparation of leather samples for physical and mechanical testing) and ISO 4044 (moisture measurement). <\/p>
Applications<\/h2>
The applications are varied: cotton and wool spinning mills (moisture control of incoming bales); the dyeing and finishing industry (moisture checks before and after treatment); spinning and weaving (yarn moisture control to optimise the process); the leather industry (tanneries, processing hides for footwear and clothing); the technical fibre industry (geotextiles, fibres for composites, technical fibres for tires); and acceptance of commercial deliveries with verification of net weight excluding moisture.<\/p>
Reference standards<\/h2>
The main standards are: ISO 6741-1 (cotton, determination of dry mass); ISO 2076 (fibre terminology); ISO 139 (standard atmospheres for conditioning textiles); UNI EN 13183 (for wood fibres); ISO 4044 (leather). Textile laboratories are generally certified to ISO 17025 for the specific test methods. Periodic calibration of moisture meters is carried out by comparison with the reference gravimetric method. <\/p>","protected":false},"excerpt":{"rendered":"
Moisture meters for the textile and leather industries, with dedicated probes.<\/p>\n","protected":false},"author":157040980,"featured_media":0,"parent":19473,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"textile moisture meter","_yoast_wpseo_title":"Moisture in textiles, leather and fibres | RODER","_yoast_wpseo_metadesc":"Moisture meters for textiles, leather, fibres and yarns: moisture measurement in dyeing, tanning, spinning and warehousing.","_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_wpcom_ai_launchpad_about_page":false,"_wpcom_ai_launchpad_gallery_page":false,"_wpcom_ai_launchpad_contact_page":false,"_wpcom_ai_launchpad_events_page":false,"_wpcom_ai_launchpad_video_page":false,"_wpcom_ai_launchpad_portfolio_piece":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"footnotes":""},"class_list":["post-22540","page","type-page","status-publish","hentry"],"yoast_head":"\n
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