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涂層測厚儀(二合一一體式)
TC250
產(chǎn)品信息：
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<\/span><\/p>\r概述<\/span><\/div>\r本儀器采用磁性、渦流兩種測厚方法，可無損傷地檢測磁性金屬基鐵（如：鐵、鋼、合金和硬磁性鋼等）上非磁性覆層的厚度（如：鋅、鋁、鉻、銅、橡膠、油漆等）及非磁性金屬基體（如銅、鋁、鋅、錫等）上非導(dǎo)電覆層的厚度（如：橡膠、油漆、塑料、陽極氧化膜等）。本儀器廣泛地應(yīng)用于制造業(yè)、金屬加工業(yè)、化工業(yè)、商檢等檢測領(lǐng)域。是材料保護(hù)專業(yè)必備的儀器。<\/span><\/div>\r <\/span><\/div>\r1）本儀器符合以下標(biāo)準(zhǔn)<\/span><\/div>\rGB/T 4956-1985 磁性金屬基體上非磁性覆層厚度的測量（磁性方法）<\/span><\/div>\rGB/T 4957-1985 非磁性金屬基體上非導(dǎo)電覆層厚度的測量（渦流方法）<\/span><\/div>\rJB/T 8393-1996 磁性和渦流式覆層厚度測厚儀<\/span><\/div>\r <\/span><\/div>\r2）特點(diǎn)<\/span><\/div>\r便攜設(shè)計，手掌大小<\/span><\/div>\r采用高速的DSP芯片，具有快速的測量能力<\/span><\/div>\r人性化設(shè)計，簡單操作。<\/span><\/div>\r在雙用探頭時自動識別鐵基和非鐵基材質(zhì)，無需手動轉(zhuǎn)換<\/span><\/div>\r兩種校準(zhǔn)方式，零點(diǎn)校準(zhǔn)和二點(diǎn)校準(zhǔn)<\/span><\/div>\r寬角度LCD液晶顯示<\/span><\/div>\r公制和英制單位轉(zhuǎn)換<\/span><\/div>\r具有電源欠電壓提示<\/span><\/div>\r操作過程有蜂鳴聲提示<\/span><\/div>\r具有自動關(guān)機(jī)功能<\/span><\/div>\r <\/span><\/div>\r3)測量原理<\/span><\/div>\ra)磁性法<\/span><\/div>\r當(dāng)測頭與覆層接觸時，測頭與磁性金屬基體構(gòu)成一閉合磁路，由于非磁性覆層的存在，使磁路磁阻發(fā)生變化，通過測量其變化量，可測得其覆層的厚度。<\/span><\/div>\rb)渦流法<\/span><\/div>\r利用高頻交變電流線圈中產(chǎn)生一磁場，當(dāng)測頭與金屬接觸時，金屬基體上會產(chǎn)生渦流，并對測頭具有反饋?zhàn)饔，通過其反饋?zhàn)饔玫拇笮】蓽y出覆層厚度。<\/span><\/div>\r <\/strong><\/span><\/div>\r技術(shù)參數(shù)
<\/strong><\/span><\/div>\r測量范圍：0-1250um<\/span><\/div>\r工作電源：兩節(jié)五號電池<\/span><\/div>\r測量精誤差：零點(diǎn)校準(zhǔn) ±（1.5+3%H）；二點(diǎn)校準(zhǔn)±【（1%～3%H）】H+1.5<\/span><\/div>\r環(huán)境溫度0-40℃<\/span><\/div>\r相對濕度≤85%<\/span><\/div>\r最小基體10*10mm<\/span><\/div>\r最小曲率凸5mm;凹5mm<\/span><\/div>\r最薄基體：0.4mm<\/span><\/div>\r重量：99克（含電池）<\/span><\/div>\r尺寸102mm*66mm*24mm<\/span><\/div>\r <\/span><\/div>\r <\/span><\/div>\r <\/span><\/div><\/div>
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