Ensure your pH meters and other instruments are always accurate with the Extech Instruments Calibration Solution 84 Pk 2. This reliable calibration solution comes in a convenient 20 mL packet, perfect for on-the-go adjustments. Each packet is designed to provide precise calibration at a pH of 4.00, ensuring your readings are spot-on.
With a total of 84 packets, you’ll have plenty of solution for multiple calibrations, making it ideal for both professional and personal use. Trust Extech to keep your instruments performing at their best!