Polarographic dissolved oxygen sensor AD630

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AD630 Dissolved Oxygen & Temperature Waterproof Meter with Galvanic Probe AD630 is a heavy-duty portable waterproof meter for DO (Dissolved Oxygen) and temperature measurements, designed to provide laboratory results and accuracy even under harsh industrial conditions. DO readings displayed in ppm or % saturation units DO calibration at 1 or 2 standard points (0 and 100%), or at 1 custom point (>20%) Galvanic DO probe with built-in temperature sensor Automatic temperature compensation Log-on-demand Setup mode for setting altitude & salinity compensation factors, temperature measure unit (°C or °F), serial communication parameters, date & time, auto-off, instrument ID code HOLD feature to freeze stable reading on the LCD GLP feature to view last calibration data PC interface via RS232 port Galvanic probe: Unlike polarographic probes, Galvanic DO probes do not require any conditioning time when the unit is switched on, saving time when many measurements are required.