Easy-to-use, single-junction electrodes feature durable, epoxy bodies.The electrode design lessens errors and provides accurate results within 30 seconds, depending on solution concentration. Concentration range is 0.01 to 17,000 ppm. Use it over a 0 to 50 degree Celsius temperature range and above pH 11. The BNC connector and one-meter cable allow you to use with almost any existing meter.