Continued on next page To see other variants and accessories, please enter the webcode on our website. webcode 925 pH Meters webcode WWSE2015 Hand-held Meter SD 305 pH/ORP, Lovibond® The portable SD 305 pH/ORP hand-held meter is the ideal companion for on-site determination of pH or redox in aqueous media. Whether pH electrodes with an integrated temperature probe or the use of an external temperature probe, the automatic temperature compensation always ensures precise measuring results. Functions such as the automatic buffer recognition of standard solutions and DIN buffers greatly simplify measurement and calibration procedures. The internal memory allows the recording of 1000 (manual looger) to 10000 data records (auto logger). The alarm function additionally allows the monitoring of safety-relevant limits, e.g. for the correct dosing of the pH in swimming pools or to control the redox value as a quality parameter in various processes. The intelligent sensor diagnosis after calibration and the smart calibration reminder complete the range of functions. • Buffer recognition of Lovibond® standards (pH 4.01 / 7.00 / 10.01) and buffers according to DIN 19266 • Choice between 1-, 2- or 3-point calibration • Evaluation of the sensor quality after each calibration • Alarm function with adjustable limits • Automatic temperature compensation • Auto hold function • Battery status indicator • Redox measurement in mV or mVH according to DIN 38404-6 • Data transfer and evaluation via software possible Scope of delivery in carrying case: instrument in protective armouring incl. electrode holder, pH buffer: 4.01 / 7.00 / 10.01 (set 1 / set 2), 470 mV ORP control solution (set 3), storage solution for pH/ORP electrodes, 2 × AAA batteries and user manual Technical data: Measuring principle: Poteniometry Measuring range: pH: -2.000 – 16.000 pH Redox: ± 2000 mV Temperature: -5.0 – 150.0°C Display: Backlit LCD-Display Power supply: 2 × AAA-batteries, Interface cable with USB connection Data logger: Manual logger: 1000 data sets (single value by keystroke) Auto. logger: 10000 data sets (cyclic, time interval: 1 – 3600 s) Auto-Off: yes Dimensions: 164 × 100 × 37 mm Weight: 302 g (incl. batteries and protective armouring) Protection class: IP 67 Conformity: CE, RoHS, WEEE Article Order No. SD 305 pH/ORP (set 1) 10 77 13051 pH/Temp.-electrode type 231 SD 305 pH/ORP (set 2) 10 77 13052 pH-electrode type 226 & temperature probe Pt1000 SD 305 pH/ORP (set 3) 10 77 13053 Redox electrode type 242 & temperature probe Pt1000 pH-meter, pH4440, Funke - Dr. N. Gerber pH4440 The pH4440 is intended for measuring pH value, conductivity, and redox potential. During measuring and calibrating, the colour display indicates all key information (measured value, temperature, temperature sensor, electrode status, etc.). The intuitive menu with the time-proven 5-button operation provides for easy handling of the device. Electrodes are available as an option. Technical data: pH Conductivity Redox potential Temperature Measurement range: -2 – 16 0.01 µS/cm – 1000 mS/cm (sensor dependent) ± 2000 mV -40°C – 100°C Pt1000/NTC30K Resolution: 0.01 pH automatic 0.1 mV 0.1°C Precision: 0.01 pH ± 0.5% 0.1 mV ± 0.3°C Calibration: 1 – 5 point 1 point 1 point Input: DIN DIN 8 way DIN 4 mm Power supply: 230 V / 115 V (50/60 Hz) 120 VA Size (W × D × H): 210 × 150 × 80 mm Weight: 1.1 kg Article Order No. pH-meter pH4440 10 42 04440 Measuring Systems Electrochemistry
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