Analysis and measurements 363 All prices are indicative and exclude VAT. Visit www.dulis.nl pH-metry 6 models to choose from: • 2 pocket pH meters with temperature range; • 1 pocket conductivity meter with TDS and temperature ranges; • 1 pocket instrument for redox measurement with temperature range and with/without pH range; • 2 multiparameter handheld instruments for pH, conductivity, TDS and temperature measurements. * In 1 or 2 point with 2 buffer sets stored, (pH 4.01, 7.01, 10.01 or pH 4.01, 6.86, 9.18) *In 1 point at 1413 µS/cm or 12.88 mS/cm hWaterproof and robust, floats on water hLarge 2-level screen hIntegrated temperature sensor for temperature measurement and compensation hReplaceable electrode/probe: quick and easy exchange hAutomatic (pH) compensation / automatic (Temperature EC/TDS) correction hStability indicator for safe reading hAutomatic keyboard calibration hHOLD function to freeze a value on the screen hAdjustable TDS factor and temperature coefficient (EC) hBattery power indicator on switch-on (self-extinguishing in case of insufficient power) hAuto-off after 8 minutes of non-use Cat. No. Description 052005 PH 7 and pH 4 Calibration Kit - 20 ml sachets (5 of each) N/A - 052001 Preservation solution - 500 ml bottle N/A - 052002 Cleaning solution for electrodes - 500 ml bottle N/A - 052003 Spare electrode N/A - € Model HI 98127 pHep 4 HI 98128 pHep 5 HI 98311 DiST 5 HI 98120 Redox HI 98129 pH/EC Combo HI 98130 pH/EC Combo Range pH -2.0 to 16.0 pH -2.00 to16.00 pH - - 0.00 to 14.00 pH 0.00 to 14.00 pH EC - - 0 to 3999 µS/cm - 0 to 3999 µS/cm 0.00 to 20.00 mS/cm TDS - - 0 to 2000 mg/L - 0 to 2000 mg/L 0.00 to 10.00 g/L Redox - - - ±1000 mV - - Temperature -5.0 to 60.0 °C -5.0 to 60.0 °C 0.0 to 60.0 °C -5.0 to 60.0 °C 0.0 to 60.0 °C 0.0 to 60.0 °C Resolution pH 0.1 pH 0.01 pH - - 0.01 pH 0.01 pH EC - - 1 µS/cm - 1 µS/cm 0.01 mS/cm TDS - - 1 mg/l - 1 mg/l 0.01 g/l Redox - - - 1 mV - - Temperature 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C 0.1 °C Accuracy (at 20 °C) pH ± 0.1 pH ± 0.05 pH - - ± 0.05 pH ± 0.05 pH Full scale EC/TDS - - ± 2% - ± 2% ± 2% Redox - - - ±2 mV - - Température ± 0.5 °C ± 0.5 °C ± 0.5 °C ± 0.5 °C ± 0.5 °C ± 0.5 °C Calibration pH Automatic* Automatic* - - Automatic* Automatic* EC/TDS - - Automatic** - Automatic** Automatic** Auto temp. compensation Yes Yes Yes - Yes Yes Battery type 4 x 1.5 V 4 x 1.5 V 4 x 1.5 V 4 x 1.5 V 4 x 1.5 V 4 x 1.5 V Battery life(hours) 300 300 300 300 300 300 Battery Error Prevention System Yes Yes Yes Yes Yes Yes Auto-off after 8 min. Yes Yes Yes Yes Yes Yes Dimensions / Weight 163 x 40 x 26 mm / 85 g Cat.No. 052000 052384 052427 052389 052436 052437 € N/A - N/A - N/A - N/A - N/A - N/A - Accessories Testers HANNA High-precision testers for essential parameters
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