PH Testers and meters

	Low cost PH meter Thanks to its 0.01 pH resolution and two-point manual calibration through easy-to-reach trimmers, it immediately displays pH variations to reflect the smallest change in the sample. Unlike conventional testers, HI-99104 has a long and slim stem, ideal for measurements in small samples or vials. HI-99104 is supplied with a rugged plastic body electrode and a screw connector making electrode replacement quick and easy. The HI-99104 is supplied complete with HI-1270 pH electrode, batteries and instructions Price: £52.88 Quantity:

	Checker PH Meter electronic digital pH meter. The full pH range is covered and displayed to 0.01pH resolution on the clear LCD display. Supplied complete with a HI-1270 pH electrode. Replacement electrodes can be ordered seperately. Price: £65.80 Quantity: