DHM2型DHM2型機(jī)械通風(fēng)干濕表
DHM2型機(jī)械通風(fēng)干濕表適用于氣象站及有關(guān)部門測量空氣的溫度和濕度。
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DHM2型DHM2型機(jī)械通風(fēng)干濕表
主要參數(shù)性能
環(huán)境溫度：測量空氣濕度時，能在-10℃～+45℃的環(huán)境下正常工作。
濕度測量范圍：10%～100%RH
溫度表的刻度及測量范圍：-36℃～+41℃ 和 -26℃～+51℃
工作時間：通風(fēng)器的全部作用時間不小于9min
儀器凈重：1kg
通風(fēng)速度：通風(fēng)器開動后溫度表球部周圍的通風(fēng)速度在第四分鐘末不小于2.5m/s；在第六分鐘末速度不小于2.2m/s；第六分鐘末，每分鐘通風(fēng)速度的變化量不應(yīng)大于0.2m/s
外形尺寸：90.5mm x 415mm
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