Features:
     • Simulates values for pH 4, 7 and 10 (+/-0.1%FS accuracy) 
     • Simple to use - connect the calibration cable to device
       needing calibration and select simulation range 
     • High Ohm range for industrial applications 
     • Easy verification - if your pH meter displays the same
       value that is being simulated, then it is in calibration 
     • Size: 3.5 x 2.3 x 1" (60x92x25mm)/10 Oz (284g) 
     • Complete with 9V battery
     • CE approved, one year warranty