ORP Electrode ORP Electrode Testing Parameter mV pH Temperature Measurement Range 0 to 14 pH 1999 to 2000mV pH Range 0.00 to 14.00pH Tip Shape Round Operating Temp Range 32 Degrees to 122 Degrees F Body Material Epoxy Diameter 0.47 in Length 130 mm Cable Length 39 in Connector BNC Temp Sensor 32 Degrees to 230 Degrees F For Use With REED R3525 pH/mV Meter Reference Combination Electrode Junction Single Special Features Handheld or Wall Mount Applications