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DO METER HANNA HI9142N DISOLVED OXYGEN METER HI 9142 is a rugged, waterproof meter that solves the common problems of field use, such as cold, rain, snow and dust, that can damage a meter, rapidly deteriorating its performance and life. It is very simple to use: calibration is performed with HI 7040 zero oxygen solution, while 100% calibration is done in air. The polarographic probe ( HI 76407/ 4) is provided with a membrane covering the sensors and a built-in thermistor for temperature measurement and compensation. The thin permeable membrane isolates the sensor elements from the testing solution, but allows oxygen to enter. When a voltage is applied across the sensor, oxygen that has passed through the membrane reacts causing current to flow, allowing the determination of oxygen. The probe included with the meter is supplied with a 4 m ( 13' ) cable that allows measurements to be taken even in even hard to reach places. For applications that require longer probe cables, the HI 76407/ 10 and HI 76407/ 20 probes with a 10 m ( 33' ) or 20 m ( 67' ) cable are available. Spesifikasi Range O2 0.0 to 19.9 mg/ L ( ppm) Temperature -5.0 to 50.0º C ( 32.0 to 122.0º F) Resolution O2 0.1 mg/ L ( ppm) Temperature 0.1° C ( 1º F) Accuracy ( @ 20° C) O2 ± 1.5% F.S. Temperature ± 0.2° C ( ± 1º F) ( excluding probe error) Calibration manual, at one or two points ( zero and slope) Temperature Compensation automatic, 0 to 50° C ( 32 to 122° F) Probe HI 76407/ 4 polarographic DO probe with internal temperature sensor, DIN connector and 4 m ( 13’ ) cable Battery Type / Life 1.5V AAA ( 3) / approximately 1, 000 hours of continuous use Environment 0 to 50° C ( 32 to 122° F) ; RH max 95% Dimensions 185 x 72 x 36 mm ( 7.3 x 2.8 x 1.4” ) Weight 300 g ( 10.6 oz.) Anugrahsurvey Jln .Panjang, Tc Penerangan( PUSDIKLAT) No.19, Kelapa Dua Kebon Jeruk Jakarta Barat 11550 No Hp yang Bisa Dihubungi Diantaranya Sbb : CONTACK : Firmansyah : 087770760007 : 081320616872 : 081317111213 Fax : ( 021) 53672178 web : http: / / indonetwork.co.id/ surveysolusions web: businesszoom.co.id/ surveymandirisolutions/ web : www.anugrahsurvey.com Email : syahfirmansyah92@ gmail.com Email : syahfirmansyah85@ yahoo.co.id
