PH-520 Features:
*1 to 3 points calibration with automatic recognition for conductivity standards.
*Automatic electrode diagnosis shows the calibration points and factors .
*Selectable cell constant, reference temperature, linear/non-linear and pure water compensation modes.
*Automatic temperature compensation ensures accurate readings over the entire range.
*Auto-Read function senses and locks the measurement endpoint.
*Setup menu allows setting the number of calibration points, temperature unit, auto-power off, etc.
*Reset function automatically resumes all settings back to the factory defaults.
*Expanded memory stores or recalls up to 100 data sets.
*USB communication interface for data transfer orconnecting a power adapter to meter.
PH-530/531/540 Features:
*1 to 5 points calibration with automatic recognition for conductivity standards.
*Automatic electrode diagnosis shows the calibration points and factors.
*Selectable cell constant, reference temperature, TDS factor, linear and pure water compensations, seawater
and practical salinity measurement modes.
*Automatic temperature compensation ensures accurate readings over the entire range.
*Auto-Read function senses and locks the measurement endpoint.
*Calibration due alarm prompts user to calibrate the meter regularly.
*Auto-Power Off effectively conserves battery life.
*Setup menu allows setting the number of calibration points, stabilitycriteria,temperature unit, date and time, etc.
*Reset function automatically resumes all settings back to the factory defaults.
*Expanded memory stores or recalls up to 500 data sets.
*USB communication interface is easy to transfer data to PC.
*Multi-mode powerscheme (batteries, power adapter and USB port) ensures that using the meter smoothly.
75-76 Portable Conductivity TDS Salinity Meter.pdf
