DSHD-1792 Mercaptan Sulfur Tester
A:Briefdescription:
DSHD-1792MercaptanSulfurTesterismadeaccordingthenationalstandardGB/T1792-88Distillatefuels－Determinationofmercaptansulfur－Potentiometrictitrationmethod.
DSHD-1792MercaptanSulfurTesteriscomposedofPHS-3CPHmeter,95-1magneticstirrerandsupportdevice.
Itsfunctionistodeterminethemercaptansulfurinjetfuel,gasoline,keroseneandlightdieselwithouthydrothion,andthecontentiswithintherangeof0.0003～0.01%(m/m).Interferenceswillappearwhenelementalsulfurisover0.0005%（m/m）
B:Technicalparameters
DSHS-3CPHmeter1.Gradeofinstrument:0.012.MeasurementrangePH:（0～14.00）PHMV:（0～±1999）mV(automaticallypolaritydisplay）Temp:（0～100.0）℃3.Minimumdisplayunit:0.01pH，1mV，0.1℃4.Compensatedtemperaturerange:（0～60）℃5.Basicerrorofelectronicunit:PH:±0.01pHMV:±0.1%FS6.Basicerrorofinstrument:pH:±0.02pH±１word Temp:±0.5℃±１word7.Incomingcurrentofelectronicunit:≤2×10-12A8.Inputresistanceofelectronicunit:≥１×1012Ω9.Compensatedtemperatureerror:±0.01pH10.Repeatabilityerrorofelectronicunit:PH:≤0.01pH MV:≥1mV11.Repeatabilityerrorofinstrument:≤0.01pH12.Stabilityofelectronicunit:±0.01pH±１word/3h13.Overalldimension:290mm×210mm×95mm14.Weight:1.5kg15.Workingcondition： a)Ambienttemperature:（５～40）℃ b)Relativehumidity:≤85% c)Powersupply:AC（220±22）V,（50±0.5）Hz d)Noobviousvibration e)Noexternalmagneticfieldinterferenceexceptearthmagneticfield
95-1magneticstirrer1.Powersupply:AC220V±10%50Hz2.Workingmode:Continuously3.Maximumstirringcapacity:2000ml4.Heatingpower:Step-lessadjustablewithin300W5.Rotationspeed:(20～1200)r/min6.Electricmotortorque:7.6mm/V.m7.Temperaturecontrollingaccuracy:±1℃8.Temperaturecontrollingrange:roomtemperature+5℃～100℃9.Timingrange:(20～1200)min10.Reversingtime:(5～30)s11.Overalldimension:230mm×150mm×130mm（Thebarisnotincluded）Burette:10mL,scaledivisionis0.05mL
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