Description pH and ORP Electrodes | 2724, 2726, 2725 Specifications General Performance Efficiency >97% @ 25 °C (77 ° F) Operating Range pH 0 to 14 pH ORP ±2000 mV 3-2726-LC Low conductivity fluids; 20 – 100 μS/cm nominal < 20 μS; flow must be less than 150 ml/min in a properly grounded system 3-2724-HF, 3-2726-HF Hydrofluoric acid resistant glass, pH 6 or below; trace HF <2% Compatibility Temperature Sensor 2751 Smart Sensor Electronics (for 8900, 9900, 9950, 4 to 20 mA or Profibus Concentrator), 2760 Preamplifier Pt1000 versions Compatible with Georg Fischer 2751 pH/ORP Smart Sensor Electronics for connection to a PLC or to the Georg Fischer 8900, 9900 or 9950 instruments 3 KΩ Balco versions Compatible with Georg Fischer 2751 pH/ORP Smart Sensor Electronics or with Georg Fischer 2760 pH/ORP Preamplifier for connection to the Georg Fischer 8750 pH/ORP Transmitter Process Connection ¾ in. NPT ISO 7/1-R 3/4 Mounts into Georg Fischer fittings Wetted Materials pH Ryton® (PPS), glass, UHMW PE, FKM ORP Ryton® (PPS), glass, UHMW PE, FKM, Platinum Max. Temperature/Pressure Rating Operating Temperature Range* -10 °C to 85 °C 14 °F to 185 °F Operating Pressure Range 6.8 bar @ -10 to 65 °C (100 psi @ 14 to 150 °F) 4 bar @ 65 to 85 °C (58 psi @ 150 to 185 °F) *Best performance for 2724-HF, 2726-HF sensors is above 10 °C (50 °F) Recommended Storage Temperature 0 °C to 50 °C 32 °F to 122 °F The electrode glass will shatter if shipped or stored at temperature below 0 °C (32 °F) The performance life of the electrode will shorten if stored at temperatures above 50 °C (122 °F) Mounting In-line Mounting Use the sensor threads Use a Georg Fischer standard fitting up to 4 in. Sensor can be mounted at any angle Submersible Mounting Use threads on models 2751 or 2760 Requires ¾ inch NPT or ISO 7/1-R 3/4 male threaded liquid tight extension conduit. Shipping Weight 0.25 kg 0.55 lb Standards and Approvals RoHS compliant, China RoHS Manufactured under ISO 9001 for Quality, ISO 14001 for Environmental Management and OHSAS 18001 for Occupational Health and Safety pH and ORP Electrodes | 2724, 2726, 2725
