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- HOME > ȯ°æ±³À°.´ëü¿¡³ÊÁö > D.O.Meter > Dissolved Oxygen Bench Meters Ź»ó¿ë D.O.Meter HI 4421 ¼öÁúÃøÁ¤±â¿ëÁ¸»ê¼ÒÃøÁ¤±â
Dissolved Oxygen Bench Meters: HI 4421 HI 4421Àº ½Ì±Ûä³ÎÀ̸ç 240 x 320 dot-matrix colorȸé°ú ¼Ò¼öÁ¡ ¼¼ÀÚ¸®ÀÇ ÃøÁ¤´ÜÀ§¸¦ °¡Áø ½ÇÇè½Ç¿ë Ź»ó¿ë DO MeterÀÔ´Ï´Ù. 4°¡Áö º¸±â¸ðµå°¡ °¡´ÉÇÕ´Ï´Ù. ±×¸®°í ±âº»Á¤º¸, GLPÁ¤º¸, ±×·¡ÇÁ¿Í ·Î±× ±â·ÏÀÌ Æ÷ÇԵ˴ϴÙ. HI 4421Àº ¾Æ´äÅÍ¿Í ¼³¸í¼, HI 76408 D.O. probe, HI 7040LÁ¦·Îº¸Á¤¿ë¾×(500mL), HI 7041S ÀüÇØÁú¿ë¾×(30mL), HI 76407A/P¸Éºê·¹ÀΠĸ(2°³), HI 76404NÀü±ØȦ´õ¿Í Ç¥ÁØÄ«µå°¡ °ø±ÞµË´Ï´Ù.
Ź»ó¿ë D.O. Meter
ÀÌ°ÍÀº È®Àå ÃøÁ¤±â´É°ú BOD, OUR ±×¸®°í SOURÀÌ·ÐÀûÀΠƲó·³ DO ÃøÁ¤°ªÀ» ÃøÁ¤ÇÏ°í ¼³¸íÇÏ´Â ¿©·¯ ±â´ÉÀ» °¡Áø Àü¹®ÀûÀÎ ±â±âÀÔ´Ï´Ù. À̱â±â·Î ¿Âµµ¿Í ±â¾ÐÃøÁ¤ÀÌ °¡´ÉÇÕ´Ï´Ù. ÀÚµ¿ ¶Ç´Â ¸ÂÃã Ç¥ÁØ DOº¸Á¤À» ¼±ÅÃÇÒ ¼ö ÀÖ½À´Ï´Ù. ¼¼°¡ÁöÀÇ ¼±Åð¡´ÉÇÑ ·Î¡¸ðµå°¡ ÀÖ½À´Ï´Ù. »ùÇøµ ±â°£À» Á¶ÀýÇÒ ¼ö ÀÖ´Â ÀÚµ¿·Î¡(automatic logging) Log-On-Demand(¼öµ¿·Î¡) ±×¸®°í AutoHold logging (DO¿¡¼¸¸). DOÃøÁ¤µ¿¾È¿¡ auto-hold±â´ÉÀº ÇöÀç ±â·ÏÀ» °íÁ¤ÇÏ°í º¼¼ö ÀÖÀ» °ÍÀÔ´Ï´Ù. HI 4421Àº ÀÚµ¿ ¶Ç´Â ¼öµ¿¸ðµå¸¦ À§ÇØ 100 ·Î¡±¸È¹±îÁö ÀúÀåÇÒ °ÍÀÌ°í 200°³ OUR°ú SOUR ·¹Æ÷Æ®°¡ ÀúÀåµÇ°í 200°¡Áö BOD¹æ½Ä Á¤º¸°¡ ÀúÀåµÉ °ÍÀÔ´Ï´Ù. »ç¿ëÀÚ´Â ¿Â¶óÀÎ ¶Ç´Â ¿ÀÇÁ¶óÀÎ ±×·¡ÇÁ ¼±ÅÃÀÌ °¡´ÉÇÕ´Ï´Ù. ¸ðµçµ¥ÀÌÅÍ´Â RS232 ´Â USB¸¦ ÅëÇØ PC·Î ´Ù¿î·ÎµåÇÒ ¼ö ÀÖ½À´Ï´Ù.
Á¦Ç°ÄÚµå µÚ¿¡ 01 ÀÌ ºÙ´Â°ÍÀº 115V¾Æ´äÅ͸¦ ¸»ÇÏ´Â °ÍÀÔ´Ï´Ù.
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DO
0.00 to 90.00 ppm; 0.0 to 600.0% saturation
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DO
0.01 ppm; 0.1% saturation
Á¤È®µµ
DO
¡¾1.5% of reading ¡¾1 digit
ÃøÁ¤¹üÀ§
±â¾Ð
450 to 850 mmHg; 560 to 1133 mBar
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±â¾Ð
0 to 45 ppt (g/L)
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±â¾Ð
¡¾3 mmHg within ¡¾15¡ÆC from the calibration point
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Direct D.O.; BOD (Biochemical Oxygen Demand); OUR (Oxygen Uptake Rate); SOUR (Specific Oxygen Uptake Rate)
ÃøÁ¤¹üÀ§
Salinity
0 to 45 ppt (g/L)
ÃøÁ¤¹üÀ§
Temp
-20.0 to 120¡ÆC
ÃÖ¼ÒÃøÁ¤´ÜÀ§
Temp
0.1¡ÆC; 0.1¡ÆF; 0.1 K
Á¤È®µµ
Temp
¡¾0.2¡ÆC/K; ¡¾0.4¡ÆF
¿Âµµ
D.O.
0.0 to 50.0¡ÆC
º¸Á¤
D.O.
Automatic/user standard, 1 or 2 points
ÇÁ·Îºê
¿Âµµ¼¾¼°¡ ³»ÀåµÈ Polarographic
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pH Àü±Ø°ú ¹öÆÛ»óÅÂ
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pH
ÀÚµ¿ ¶Ç´Â ¼öµ¿ -20.0¿¡¼ 120.0¡ÆC
Log on Demand
Up to 100 lots 10000 samples/lot for automatic logging; 5000 samples/lot for manual logging; Logging interval: 1 to 300000 sec
GLP
¸¶Áö¸· º¸Á¤µ¥ÀÌÅÍ/º¸Á¤Á¤º¸
¾Ë¶÷ (DO, BOD, OUR, SOUR)
Yes (Inside/Outside Limits)
Auto Á¾·áÁ¡
Yes
PC ¿¬°á
Opto-isolated USB and RS232
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240 x 320 dot matrix color LCD with on-screen help, graphing, language selection and custom configuration
Power
12 Vdc adapter (included)
±Ô°Ý
159 x 230 x 93 mm
¹«°Ô
800 g
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DELIVERY INFO
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