Bluelab pH 4.0 Calibration Solution 250ml

Bluelab pH 4.0 Calibration Solution 250ml is a high-quality calibration solution for disposable pH sensors/probes. Bluelab calibration fluids are essential when it comes to working with all Bluelab meters. Bluelab calibration fluids are manufactured specifically for Bluelab products and meet high laboratory standards to ensure your Bluelab products last longer and are accurate.

• accuracy: ±0.01 pH
• value: 4.0 pH at 25°C
• volume: 250 ml
• for multiple calibration