These innovative pH sensors incorporate a reference system whereby chemical equilibria is controlled to the point that no solution/precipitation of the reference solution components occurs at the reference element at temperatures between 0 and 100 degrees Celsius. The composition of the pH internal fill solution has also been designed so that its temperature coefficient is minimal. The net effect is to make the electrode predictable, reliable, and quick to respond at any temperature.

One can cycle between samples with initial temperatures of 25 and 80 C and reach reproducible pH in a matter of 30 seconds with PBR pH Electrodes, as compared to 1 to 3 minutes for other commercial pH electrodes. Drift and accuracy problems commonly found when using normal pH electrodes are virtually eliminated. The sample pH is registered in less than 20 seconds, the result is correct to within 0.02 pH units, and the pH value stays constant at any given temperature. And, unlike other new pH technology addressing problems with temperature, this electrode reads pH consistently at elevated temperature without premature loss in performance.

pH Range	pH 0 to 14 (Na+<0.1N)
Temp Range	-5 to 80℃(Epoxy Body) -5 to 100℃(Glass Body)
Slope(out of box)	59±3mV/pH unit at 25℃(95 to 105% slope)
Zero Point	pH 7
Offset(asymmetry potential)	0mV ±25mV
Response Time	<10sec(95% response) from pH 7.00 to pH 4.01
Stability	<3mV drift / 24 hours in pH 7.00 buffer
Glass Membrane Impedance	<300 Mohm at 25℃
Reference Junction Impedance	<50 Kohm at 25℃
Body Material	Epoxy, Glass
Reference Electrolyte	R001013