Widely used for testing aqueous solutions. Ideal for laboratory probes or electrodes. Suitable for most ORP meters and controllers with BNC Q9 connectors. Filled with colloidal solution saturated with kcl, used for treatment of waste water containing chromium on printed circuit boards and online ORP detection. The material is environmentally friendly, harmless to the human body, and has good electrical conductivity. Suitable for water systems such as water springs, aquariums, hydroponics, laboratories, hot springs, swimming pools, etc. Specification: no manual Material: PC Model: ORP-101 Type: Laboratory electrode Probe Type: Sensitive Crystal Ball Bubble Range: 0~1999mV Accuracy: 5mV Applicable temperature range: 5~70 Electrode potential: 245-270mv (15~30) Reference electrode internal resistance: 10k Electrode stability: 8 mv/24 electrodes electrode indication: good conductivity Electrode plug type: Q9 BNC: Vertical pH electrode wire length: about 70cm Item Size: Approx 155 x 20 x 20mm/(ORP Electrode) Item Weight: Approx 49.6g. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store