Classic analogue pH meter model E488 from the Swiss manufacturer Metrohm Heresau. This measuring instrument is designed to accurately measure pH and voltage (mV) in laboratory environments or for industrial analysis tasks. Details and functions: - Manufacturer: Metrohm Heresau - Model: pH-Meter E488 - Country of manufacture: Switzerland - Large analogue speedometer display for pH and mV reading - Front mounted knobs for temperature compensation and calibration - Mounted carry handle for easy transport - Included power supply/adaptor Stand and comments: The unit appears with regular patinated wear and wear corresponding to age. The apparatus has not been tested. Note: Sold as viewed and without warranty.