{"id":924,"date":"2023-05-08T15:07:35","date_gmt":"2023-05-08T15:07:35","guid":{"rendered":"https:\/\/kobold.vn\/?post_type=product&p=924"},"modified":"2023-05-08T15:08:40","modified_gmt":"2023-05-08T15:08:40","slug":"humidity-temperature-measuring-instrument-afh-g","status":"publish","type":"product","link":"https:\/\/kobold.vn\/en\/product\/humidity-temperature-measuring-instrument-afh-g\/","title":{"rendered":"Humidity \/ Temperature Measuring Instrument AFH-G"},"content":{"rendered":"

The type AFH-G measuring instrument serves to measure relative humidity indoors and in air ducts. Auxiliary temperature measurement is available as an option. The moisture sensing element in the sensor comprises several strips of plastic fabric each with 90 fibres of 3 \u03bcm diameter. These plastic fibres undergo a special process to acquire hygroscopic properties, this means that they absorb and release moisture.<\/p>\n

The molecular structure of the fibres changes when they absorb water, giving rise to a measurable change in length. The length of the plastic fibres is thus a measure of the relative humidity. The swelling effect, acting primarily in the longitudinal direction, is sensed by an electronic pick-off system and transferred to an integrated signal preprocessing system. The output signal of the passive sensors is 100…138.5 \u2126, and 4 – 20 mA for the active sensors.<\/p>\n

The special treatment of the measuring element ensures that its hygroscopic properties remain stable, that is sensitivity is maintained until destroyed by external influence. Regeneration found in conventional instruments is not required here, but is also not damaging. The measuring element is protected by a perforated tube and is open to the housing. Measuring instruments with an integrated temperature sensor provide temperature measurement. The temperatures are also converted to the standardized signals 100 – 138.5 \u2126, and 4 – 20 mA.<\/p>\n

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Datasheet<\/h2>\n
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\"application\/pdf;<\/div>\n
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a2gb_afh-g<\/h3>\n<\/div>\n
158 KB<\/div>\n
open<\/a>\u00a0download<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Operating Instructions<\/h2>\n
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\"application\/pdf;<\/div>\n
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AFH-G – Operating Instructions<\/h3>\n<\/div>\n
285 KB<\/div>\n
open<\/a>\u00a0download<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Hygrometric method of measurement<\/p>\n

Operating range:<\/strong>
\n-30 … +80\u00b0C (Temperature)
\n30 … 100 % rH (Humidity)
\nAccuracy:<\/strong>
\n\u00b10.5\u00b0C (Temperature)
\n\u00b12.5 % rH (< 40 % rH: \u00b13.5 % rH) (Humidity)
\npmax<\/sub>:<\/strong>\u00a0pressureless
\ntmax<\/sub>:<\/strong>\u00a0-20 … 60\u00b0C (housing), -40 … +80\u00b0C (sensor)
\nMaterial:<\/strong>
\npolymer fibre inside stainless steel housing, 220 mm (probe)
\nABS (housing)
\nOutput:<\/strong>
\nPt100 or 4 … 20 mA (Temperature)
\n100 … 138.5\u00a0\u03a9\u00a0or 4 … 20 mA (Humidity)
\nOption:\u00a0<\/strong>wall mounting set, gauze protection<\/p>\n","protected":false},"featured_media":926,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[104],"product_tag":[],"class_list":["post-924","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-humidity"],"yoast_head":"\nHumidity \/ Temperature Measuring Instrument AFH-G - Sensors & Controls for Flow, Pressure, Level, & Temperature<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kobold.vn\/en\/product\/humidity-temperature-measuring-instrument-afh-g\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Humidity \/ Temperature Measuring Instrument AFH-G\" \/>\n<meta property=\"og:description\" content=\"Hygrometric method of measurement Operating range: -30 ... +80\u00b0C (Temperature) 30 ... 100 % rH (Humidity) Accuracy: \u00b10.5\u00b0C (Temperature) \u00b12.5 % rH (< 40 % rH: \u00b13.5 % rH) (Humidity) pmax:\u00a0pressureless tmax:\u00a0-20 ... 60\u00b0C (housing), -40 ... +80\u00b0C (sensor) Material: polymer fibre inside stainless steel housing, 220 mm (probe) ABS (housing) Output: Pt100 or 4 ... 20 mA (Temperature) 100 ... 138.5\u00a0\u03a9\u00a0or 4 ... 20 mA (Humidity) Option:\u00a0wall mounting set, gauze protection\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kobold.vn\/en\/product\/humidity-temperature-measuring-instrument-afh-g\/\" \/>\n<meta property=\"og:site_name\" content=\"Sensors & Controls for Flow, Pressure, Level, & Temperature\" \/>\n<meta property=\"article:modified_time\" content=\"2023-05-08T15:08:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kobold.vn\/en\/wp-content\/uploads\/2023\/05\/a2-afh-g.282x0-aspect.png\" \/>\n\t<meta property=\"og:image:width\" content=\"282\" \/>\n\t<meta property=\"og:image:height\" content=\"224\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/kobold.vn\/en\/product\/humidity-temperature-measuring-instrument-afh-g\/\",\"url\":\"https:\/\/kobold.vn\/en\/product\/humidity-temperature-measuring-instrument-afh-g\/\",\"name\":\"Humidity \/ Temperature Measuring Instrument AFH-G - 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