Economical pH/mV/ORP/Conductivity/TDS Meter with RS232 Output U Conductivity/TDS/pH/mV U Splashproof Front U Records Maximum and Minimum Readings U RS232 Output The PHH224 is ideal for water conditioning, beverage, fish hatcheries, laboratory, universities and many other Industrial applications. These microprocessor based digital meters are rugged, portable units which are able to recognize and compensate for electrode offset and slope. The PHH224 also features RS232 output, data hold, °C or °F selectable, auto shutoff, overload indication and automatic or manual temperature compensation. Specifications Sensor: Conductivity included, all others purchased separately Display: 51 x 32 mm (2 x 1.3"), dual function LCD, 15 mm (0.6") digit Measurement: pH/mV/ORP/conductivity/TDS Ranges/Resolution/Accuracy: pH: 0 to 14/0.01/±(0.02 pH +2d) mV: -1999 to 1999 mV/1 mV/±(0.5% + 2d) Conductivity: 2 mS: 0.2 to 2.0 mS/0.001 mS/±(3%FS +1d) 20 mS: 2 to 20.0 mS/0.01 mS/±(3%FS +1d) 2000 ppm: 132 to 1320 ppm/1 ppm/±(3%FS +1d) 20,000 ppm: 1320 to 13200 ppm/10 ppm/±(3%FS +1d) Temperature: 0 to 60°C (32 to 140°F)/0.1/±0.8°C (1.5°F) Input Impedance: 1012 Ω Temperature: Manual: 0 to 100°C (32 to 212°F) Automatic: ATC probe 0 to 65°C (32 to 149°F) compensation Data Output: RS232 Data Hold: Yes Sampling Time: Approx. 0.8 sec Operating Temp: 0 to 50°C (32 to 122°F) Operating Humidity: Less than 80% RH Memory Recall: Maximum/Minimum Power Supply: 9V battery (included) Dimensions: 195 x 68 x 30 mm (7.7 x 2.7 x 1.2") Weight: 250 g (0.55 lbs) Probe Connections: pH/ORP: BNC Conductivity/TDS: Plug and play socket PHH224 comes complete with conductivity/ TDS/temperature probe and carrying case. Probe Specs Temperature Dimensions 0 to 60°C 22 mm Dia. x 120 mm Conductivity/ TDS(CDE224) (32 to 140°F) length w/1 m (3.3') cable Temp Probe 0 to 65°C Probe: 3.9 mm Dia. x 106 mm length (Thermistor) (32 to 149°F) Handle: 11 mm Dia. x 60 mm (PHAT2234) length w/1 m (3.3') cable PHH224, with optional PHE-1411 electrode shown smaller than actual size. To Order Model No. Description PHH224 Meter with conductivity/TDS probe and carrying case; pH electrode sold separately Accessories Model No. Description PHE-1411 lab electrode pH ORE-1411 ORP electrode CDE224 Conductivity/TDS probe SWCABLE Cable and software for RS232 PHA-4 4.00 pH buffer solution 500 ml (1 pint) bottle PHA-7 7.00 pH buffer solution 500 ml (1 pint) bottle PHA-10 10.00 pH buffer solution 500 ml (1 pint) bottle MN1604 Replacement 9V battery Comes complete with operator’s manual, conductivity/TDS probe, carrying case, and 9V battery. pH electrode sold separately. Ordering Example: PHH224, pH meter, PHE-1411, pH electrode, PHA-4, buffer 4, PHA-7, buffer 7.