The Cardy Twin pH Meter has been discontinued. It has been replaced by the LAQUA Twin pH Meter.

• The dual-action sensor guard protects the electrode and captures samples from buckets and bodies of water
• Flat sensor allows measurement of small samples
• Auto calibrates to pH 4 and 7 standard solutions
• Sensor is replaceable and stores dry
• Automatic temperature compensation, waterproof, auto power-off
• pH range: 2.0 to 12.0 (Accuracy/Repeatability: ±0.1 pH)
• Includes case, two 3V batteries and pH 4 & 7 standards