Provides instant measurement & simple operation: Enables quick and straightforward pH measurements, ideal for users of all skill levels<br> 50 Ohm BNC type connector.<br> Replaceable pH electrode is easy to calibrate.<br> It is very reliable, stable, and portable: Guarantees consistent and dependable pH measurements, suitable for both stationary and on-the-go applications.<br> Longer electrode body and 300cm (E-312) , 200cm (E-314) extra long cable.<br> Measuring range: 0-14PH<br> Measuring temperature: 5℃-60℃<br> Zero potential: 7±0.5PH (25℃)<br> Percentage theoretical slope: () ≥98.5% (25℃)<br> Internal resistance: ≤250MΩ (25℃)<br> error: 0.2PH (1mol/L) Na+, PH14) (25℃)<br> Response time: ≤1 minute<br> (The product appearance and printed words depending on the batch, but this does not affect use)<br> Color: As shown<br> Material: Metal<br> Package Contents:<br> 1 x PH Sensor Probe<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.