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Orion Star A223 DO Portable meter / ¿À¸®¿Â Star A223 ÈÞ´ë¿ë DO ¹ÌÅÍ |
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ÇöÀå¿¡¼ Æø³ÐÀº ¿ëµµ·Î °í±Þ ¿ëÁ¸ »ê¼Ò ºÐ¼®¿¡ ÀûÇÕÇÑ Thermo Scientific¢â Orion¢â Star A223 Dissolved Oxygen and RDO Portable Meter¸¦ »ç¿ëÇÏ¿© Á¤È®ÇÏ°í ½Å·Ú¼º ÀÖ´Â ¿ëÁ¸ »ê¼Ò¿Í ¿Âµµ ÃøÁ¤À» ±â·ÏÇÒ ¼ö ÀÖ½À´Ï´Ù. RDO ±¤ÇÐ ¶Ç´Â Æú¶ó·Î±×·¡ÇÈ ¿ëÁ¸»ê¼Ò ¼¾¼¸¦ »ç¿ëÇÏ°í ¼öºÐÀÌ Æ÷ÈµÈ °ø±â, °ø±â°¡ Æ÷ÈµÈ ¹°, »ç¿ëÀÚ ÁöÁ¤ °ª(Winkler) ¶Ç´Â ¿µÁ¡ ¿É¼ÇÀ» »ç¿ëÇÏ¿© º¸Á¤ÇϽʽÿÀ. ½Ã°£/³¯Â¥ ½ºÅÆÇÁ¸¦ »ç¿ëÇÏ¿© ÃÖ´ë 1000°³ µ¥ÀÌÅÍ Æ÷ÀÎÆ® ¼¼Æ®±îÁö ±â·ÏÇÏ°í USB ¶Ç´Â RS232¸¦ ÅëÇØ ÇÁ¸°ÅÍ ¶Ç´Â ÄÄÇ»ÅÍ·Î Àü¼ÛÇÒ ¼ö ÀÖ½À´Ï´Ù. ¹æ¼ö ÃøÁ¤±â´Â IP67 µî±Þ ÇÏ¿ì¡À¸·Î ³»±¸¼ºÀÌ ¶Ù¾î³ª°í È®½ÇÇÑ ¼º´ÉÀ» º¸ÀåÇÕ´Ï´Ù
Specifications
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DO Mode
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Concentration Range
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Polarographic: 0 to 90mg/L;
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RDO optical: 0 to 50mg/L
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Concentration Resolution
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0.01, 0.1
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Relative Accuracy
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Polarographic: ¡¾0.2mg/L; ¡¾2%
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RDO optical: ¡¾0.1mg/L up to 8mg/L, ¡¾0.2mg/L up to 20mg/L, 10% of reading beyond; ¡¾2%
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% Saturation Range
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Polarographic: 0 to 600;
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RDO optical: 0 to 500
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% Saturation Resolution
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0.1, 1
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Salinity Factor
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0 to 45 ppt, manual
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Calibration
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Water-saturated air, air-saturated water, manual (Winkler) and zero point
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Temperature Mode
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Range
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-5¡Æ to 105¡ÆC (23¡Æ to 221¡ÆF)
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Resolution
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0.1 (0.1)
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Relative Accuracy
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¡¾0.1
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Inputs/Outpus
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Inputs
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8-pin mini-DIN
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Sensor Types
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Polarographic or RDO (optical/luminesce-based) DO
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Data Management
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1000 points with date/time stamp
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Output
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RS-232, USB
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Display
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Graphic LCD; simultaneous display of measurement, temperature, date/time, and more
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Power Supply
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Four "AA" batteries or optional universal AC line voltage
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Environmental Operating Conditions
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Relative Humidity
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5 to 85% noncondensing
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Warranty
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3-year meter replacement
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