Waterproof testers for pH, conductivity, TDS and salinity measurements in applications like water and waste water treatment, aquaculture, hydroponics, environmental monitoring, cooling towers, boilers, swimming pools, etc.

	PCTestr 35 Waterproof tester for pH and conductivity, temperature display, pH: 0.0 – 14.0, resolution 0.1 pH, auto buffer recognition, up to 5 calibration points; conductivity: 2 ranges 0 – 1990 µS/cm and 2.00 – 20.00 mS/cm, resolution 1 µS/cm and 0.01 mS/cm, 2 calibration points; automatic temperature compensation (ATC), microprocessor controlled, large display PCTestr 35 in box ... $175.00 + GST Replacement sensor ... $85.00 + GST
	PTTestr 35 Waterproof tester for pH and TDS, temperature display, pH: 0.0 – 14.0, resolution 0.1 pH, auto buffer recognition, up to 5 calibration points; TDS: 2 ranges 0 – 999 ppm and 1.00 – 10.00 ppt, resolution 1 ppm and 0.01 ppt, 2 calibration points; automatic temperature compensation (ATC), microprocessor controlled, large display PTTestr 35 in box ... $175.00 + GST Replacement sensor ... $85.00 + GST
	PCSTestr 35 Waterproof tester for pH, conductivity, salinity and TDS, temperature display, pH: 0.00 – 14.00, resolution 0.01 pH, auto buffer recognition, up to 5 calibration points; conductivity: 3 ranges 0 – 199.9 µS/cm, 200 – 1999 µS/cm and 2.00 – 20.00 mS/cm, resolution 0.1µS/cm, 1 µS/cm and 0.01 mS/cm, 3 calibration points; TDS and salinity: 3 ranges 0 – 99.9 ppm, 100 – 999 ppm and 1.00 – 10.00 ppt, resolution 0.1 ppm, 1 ppm and 0.01 ppt, 3 calibration points; automatic temperature compensation (ATC), microprocessor controlled, large display PCSTestr 35 in box ... $195.00 + GST Replacement sensor ... $85.00 + GST