Our Specification: pH Measurement Range and Accurancy 0.00 ~14.00pH/ +/-0.01pH mV Measurement Range and Accurancy 0mV~+/-1999mV/+/-0.1mV Temperture Resolution and Accurancy 0.0 ~ 100.0+/-0.1 Temperture Measurement Range and Accurancy 10.0 ~ 120.0+/-0.1 Welcome to contact with our: AI-ON