Extech 610022-B
pH Calibration Checker

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