The PPH-1000 is a commercial grade pH controller.  The super bright tri-color display indicates both pH and temperature.  The PPH-1000 will keep the pH within a user-set range, with optional audible alarms.  Includes a SP-P10 pH probe with 3-meter cable.  Installs easily in minutes. 

pH Range: 0.01 - 14
Temperature Range: 32 - 176°F
Accuracy: ±0.5% F.S
Resolution: 0.01 pH; 0.1°F
ATC: Yes (32 - 140°F)
Calibration: Automatic or manual at 4, 7, and 10
Alarm: Optional audible alarm (set by user)
Display: Bright 5/8" tall LED display
Probe (included): 3/8" NPT, 3 meter (9.8 ft) cable. 
Power supply: AC 110V / AC 220V
Dimensions: 2.8 x 2.8 x 4.4 inches
Controller Weight: 235 g (0.52 lbs.)
Output Signal: 4 to 20 mA DC