Quality. Service. Value.

TPS has been designing and manufacturing instruments and sensors in Australia since 1968. We have extensive experience in all types of instrumentation from precision laboratory equipment to industrial process control. This experience carries over to our hydroponics products which we have been producing for over 20 years. At TPS, our aim is to provide you with the best quality, service and value for money and the TPS Quality System has been independanty certified in accordance with the AS/NZS ISO 9001 standard. ! Huge 11 mm digits for Conductivity and pH data ! Temperature and Time readout ! Control...

! Waterproof housing design. ! Separate pumps supplied for A Nutrient, B Nutrient and pH Adjustor. ! Adjustment to fine-tune A and B Nutrient ratio ! 4 Terminal technology resists fouling for maximum reliability. Hydroponics Dosing System Sample Chamber Input Flow Emergency Overflow Output Flow ! Sample chamber makes probe installation quick and easy. ! Flow rate adjustment tap. ! System senses flow ensuring that dosing only occurs when pump is running. Automatic calibration. User can choose readout in mS/cm, CF units, dS/m or ppM (TDS). Quick-dose function to top up chemicals even if readings...

! hydroCHEM Controller, supplied with Conductivity, pH and Pump sensors. ! All the features of the hydroCHEM - DS, but without the pump & sample chamber panel. ! 3 x 24V DC outputs for Nutrient A, Nutrient B and pH, which can be used to control low power solenoids, pumps etc or relays which can switch larger dosing pumps. ! Conductivity and pH Sensors are supplied with 5 metre cables for maximum installation flexibility. ! Ideal for large Run-To-Waste operations, which may require higher flow rate pumps. Inductive Pump Sensor 24V DC Control Outputs hydroCHEM-DS Dosing System . . . . 111109 Kit...

pH Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0 to 12.0 pH* 2.00 to 12.00 pH* Resolutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1 pH* 0.01 pH* Accuracy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +/-0.01pH Conductivity Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 9.9 mS/cm* 0 to 9.99 mS/cm* 0 to 99 CF* 0 to 99.9 CF* 0 to 9.9 dS/m* 0 to 9.99 dS/m* Resolutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1 mS/cm* 0.01 mS/cm* 1 CF* 0.1 CF* 0.1 dS/m* 0.01 dS/m* Accuracy . . . . . . . . . . ....

! Fully Waterproof Design ! Simultaneous Readout of Conductivity/TDS, pH & Temperature ! Easy to Use ! One-Touch Calibration ! Large Digit Mode (for one parameter) ! Fold-out Stand for Bench Use Power 9V Alkaline Battery for approx 70 hours continuous use. 0 to 20.00 mS/cm 0 to 200.0 mS/cm 0 to 2000. uS/cm 0.01 mS/cm 0.01 mS/cm 0.01 mS/cm +/-0.04 mS/cm +/-0.40 mS/cm +/-4.00 uS/cm Mass Instrument only . . . . . . . . . . . . . . . . . . . . . . . . Approx 250 g Full Kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 kg Environment Temperature . . . . . . . . . . ....