... mode. From setup menu, choose calibration and immerse electrode into indicatedcalibration solution, press ENTER key and meter is ... the slope value, user decides whether to change the electrode.Automatic Temperature Compensation:Using the supplied temperature probe, the ... 1.7kgMeter Included:Ion Selective Electrode (Made in US), Temperature Probe, Power Adapters BANTE932 Fluoride Ion Meter (Using the US ...