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This is a water proof push button with illuminator. It is made by stainless steel with excelle..
A useful battery-backed real time clock or RTC that enables your Raspberry Pi to keep track of time ..
DETAILS:pH 7.00Works with any pH Probe125ml (4oz) or 250ml (8oz)±0.02 pH at 25°CStandardized against..
Works with any pH Probe
125ml (4oz) or 250ml (8oz)
±0.02 pH at 25°C