Cole-Parmer Symmetry LA-314.N Analytical Balance with LCD, 310g x 0.1mg, Internal Calibration; NTEP
Cole-Parmer Symmetry LA-314.E2 Analytical Balance with LCD, 310g x 0.1mg, External Calibration
Cole-Parmer Symmetry LA-224.N Analytical Balance with LCD, 220g x 0.1mg, Internal Calibration; NTEP
Cole-Parmer Symmetry LA-224.E2 Analytical Balance with LCD, 220g x 0.1mg, External Calibration
Cole-Parmer Symmetry LA-164.E2 Analytical Balance with LCD, 160g x 0.1mg, External Calibration


AC power adapter and draft shield.
Symmetry precision analytical balances are built with the most advanced weighing technology available today, offering durability, and easy-to-use operation. These balances feature USB and RS-232 interfaces for connection to a computer or printer with GLP/GMP compliant output. The sealed keypad, splashproof design, and removable stainless steel weighing pan offer additional safeguards in a messy lab environment. A lock down mounting point offers additional security from theft.
An oversized backlit LCD display provides clear visibility of weighing results. A three-door glass draft shield provides easy access inside the weighing chamber, while providing a safe environment for stable weighing. Digital filters compensate for vibration, drafts, or temperature changes.
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停止方式 自動停止方式 當(dāng)30秒間水分的變化量達到標(biāo)定的自動停止條件以下時,自動停止加熱,測量結(jié)束。 定時停止方式 當(dāng)?shù)竭_預(yù)先設(shè)定的時間,自動停止加熱,測量結(jié)束。 間隔干燥方式 快速干燥方式 測定初期,先使用高的溫度進行加熱,然后用標(biāo)定的溫度再加熱,縮短加熱時間。 慢速干燥方式 按通常的測定,緩慢的上升干燥溫度,對樣品進行加熱。 分段干燥方式 在干燥條件中,可多段設(shè)定加熱條件。這對那些含有大量水分的樣品來說是非常好的測定方式。 啟動方式 當(dāng)關(guān)閉上蓋時,會立即加熱,進行測量。在重復(fù)測量中,這會很節(jié)省時間的。