
SED-PH-S — pH Meter
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SED-PH-S benchtop pH meter with 5.7-inch high-resolution LCD. Measures pH (-2.00 to 20.00, 0.01 resolution, ±0.01 pH accuracy), mV (-2000 to 2000 mV, 0.1 mV resolution, ±0.1% or ±0.3 mV) and temperature (-5 to 110 °C, 0.
Funcionamiento
A glass pH electrode (BNC/Q9 input) is immersed in the sample solution; the electrode generates a potential proportional to H+ activity. The instrument amplifies this mV signal, applies temperature compensation from a 4-pin aviation connector temperature probe (ATC) or manual setting (VTC), and converts to pH using the slope and offset derived from the most recent buffer calibration. Auto-hold senses signal stability and locks the reading; results stream to the on-board GLP-compliant 500-record memory and out via USB or RS-232.
