{"product_id":"turbidity-meter-pce-tum-20","title":"Turbidity Meter PCE-TUM 20","description":"\u003cp align=\"center\"\u003e\u003cstrong\u003ePCE-TUM 20 Turbidity Meter\u003cbr\u003e0 ... 1000 NTU turbidity measuring range \/ Infrared LED light source \/ Calibration references included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp align=\"justify\"\u003ePCE-TUM 20 is a portable handheld turbidity meter or turbidimeter for water quality analysis. This turbidity measuring device is equipped with a large LCD screen and user-friendly keyboard. The turbidity meter features two automatically switching measuring ranges between 0 ... 50 NTU and 50 ... 1000 NTU for increased accuracy. Using the included calibration references of 0 NTU and 100 NTU, the meter can be adjusted at any time. (Note: NTU stands for Nephelometric Turbidity Unit.)\u003cbr\u003e\u003cbr\u003eInside the meter, there is an infrared LED light source with a wavelength of 850 nm. A photodiode positioned in a 90° angle to the measuring ray absorbs the light reflected by the particles in the dissolution. Diffused light or Nephelometric measuring methods are used for the lower measuring range. For the higher measuring range, an additional photodiode is positioned at the opposite side; therefore, measurement is performed via the transmitted light method.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli align=\"justify\"\u003ePortable\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli align=\"justify\"\u003eHigh accuracy\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli align=\"justify\"\u003eLarge LCD screen\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli align=\"justify\"\u003eUser-friendly keyboard\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli align=\"justify\"\u003eDisplays turbidity measurements in NTU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasuring range  \u003c\/td\u003e\n\u003ctd\u003e0.00 to 50.0 NTU and 50 to 1000 NTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.01 and 1 NTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy  \u003c\/td\u003e\n\u003ctd\u003e± 5 % of measured value or  ± 0.5 NTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight source  \u003c\/td\u003e\n\u003ctd\u003eLED, infrared at 850 nm \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifetime\u003c\/td\u003e\n\u003ctd\u003eAlmost unlimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight detector\u003c\/td\u003e\n\u003ctd\u003ePhotodiode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10 sec.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003e6 x 1.5 V AAA batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating conditions\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 50 °C \/ 122 °F, \u0026lt; 85 % RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 155 x 76 x 62 mm \/ 6.1 x 3.0 x 2.4\" (H x W x D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 320 g \/ 0.71 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDelivery Scope\u003c\/h3\u003e\n\u003cp\u003e1 x PCE-TUM 20 turbidity meter\u003cbr\u003e1 x calibration reference (0 NTU)\u003cbr\u003e1 x calibration reference (100 NTU)\u003cbr\u003e2 x measuring cuvettes\u003cbr\u003e1 x cleaning solution\u003cbr\u003e1 x cleaning cloth\u003cbr\u003e6 x batteries (1.5 V AAA)\u003cbr\u003e1 x user manual\u003cbr\u003e1 x carrying case \u003c\/p\u003e","brand":"PCE Instruments","offers":[{"title":"Default Title","offer_id":45087006916662,"sku":"PCE-TUM 20","price":815.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/9482\/5014\/files\/pce-instruments-turbidity-meter-pce-tum-20-5954508_1423650.webp?v=1774191530","url":"https:\/\/farmsteadfocus.com\/products\/turbidity-meter-pce-tum-20","provider":"Farmstead Focus","version":"1.0","type":"link"}