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Ready to go: no zero phase
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Alarm with adjustable thresholds
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Carry case with belt clip and handstrap
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3-year CO sensor warranty
testo 317-3 電子 CO 檢漏儀,儀器無需調零,可直接進行測量,聲光報警信號,可調整報警限值;適用於鍋爐的裝配和維修。