Minimum sample volume: 0.1ml (0.05ml with sampling sheet B)
Up to 3 calibration points
pH and mV display
Auto calibration
Auto buffer recognition: USA & NIST pH buffers
Auto temperature compensation
Auto stable / auto hold measurement
Auto power off: 30 mins
Low battery indicator
IP67 Rating dust & waterproof
Replaceable sensor
400 Hours battery life: continuous use without backlight
Material: ABS epoxy 
Display: custom (monochrome) LCD with backlight
Operating conditions: 5 to 40°C, 85% or less relative humidity