Features:
*2 to 5 points calibration from low to high concentrations.
*Selectable water hardness units - mmol/L, mg/L, German degree (°dH),
English degree (°e) and French degree (°f).
*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, stability criteria, 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 for data transfer or connecting a power adapter to meter.
Accessories:
Water hardness electrode, temperature probe, standard solutions (10/100mmol/L), ionic strength adjuster and carrying.
83-84 Portable Water Hardness Meter PH-322.pdf