Hach POLYMETRON 9240 Basic User Manual

Hach POLYMETRON 9240 Basic User Manual Manual pdf 3 page image

SpecificationsSpecifications are subject to change without notice.Specification DetailsMeasuring range 0 to 10,000 ppb freely programmable0 to 200 ppm with K-Kit optionAccuracy Non-cationic application: ± 0.1 ppb or ± 5% of reading, whichever is greaterCationic application: ± 2 ppb or 5% reading, whichever is greaterRepeatability < 0.02 ppb or 1.5% reading, whichever is greater within 10°C variationAverage responsetimes at 25°C witha maximum ΔT=15°C betweenchannelsT90% ≤ 10 minConcentration step fromone channel to anotherMax. temp variation(°C)Time to reach accuracy 0.1 ppb or 5%up down0.1 ↔ 5 ppb 3 9 min 27 min0.1 ↔ 50 ppb 3 11 min 41 min0.1 ↔ 200 ppb 3 9 min 45 min< 0.1 ↔ 1 ppb 3 29 min 36 min0.1 ↔ 50 ppb 15 11 min 41 minElectrode type pH glass electrodeNumber ofchannels1 to 4Interferencephosphate 10 ppmMeasurement variation less 0.1 ppbSampletemperatureinterference< 0.5% / °CTypicalenvironmentPower station / indoor / demineralized water plant or instrumentation roomSuspended solids < 2 NTU, no oil, no greaseTemperature rangefor storage-20 to 60°C (2 to 140°F)Relative humidity 10 to 80%Ambienttemperature5 to 50°C (41 to 122°F)SampletemperaturevariationStabilization in 10 mins from 15°C to 30°CUse the static heat exchanger system when the temperature difference between samples ishigher than 15°CpH range ofsampleNon-cationic application: 6 to 10 pHCationic application: 2 to 10 pHFlow rate 6 to 9 L/hourPressure 0.2 to 6 bar (3 - 87 psi)Acidity Less than 250 ppm (equivalent CaCO3)Power supplyvoltage fluctuation± 10%English 3