The Milwaukee MC122 can monitor pH and/or ORP levels and give real time feedback via a blinking alarm indicating when the measured pH value is higher or lower than selected setpoint. pH range: 0.0 to 14.0,  2-Point Manual Calibration, Accuracy of ±0.2 pH.  Set Point Range: 5.5 to 9.5 pH, LED Visual Alarm Active & Power Plug Socket for Dosing turned on when reading is Higher or Lower ( user select ) than the set point. Supplied with 115VAC (USA) to 12VDC Power Adapter,  MA911B/2 Double Junction pH Probe, 20 ml. pH 7.01 Calibration Solution and Screwdriver for Calibration. Unit comes with Mounting Kit and Probe Holder and with a USA factory warranty and full support from Milwaukee. Part#MC122. 
Datasheet :  [link removed] 
MC12X Calibration Video :  https://www.youtube.com/watch?v=e27I2u9rnUY

Milwaukee Policy

If you are purchasing this product you agree to contact Milwaukee Instruments directly if you have any issues. This is recommended by Milwaukee Instruments to quickly address customer issues and provide their top notch customer support. Due to the complex issues of their products and vast applications they handle the tech support as they are a lot smarter than we are.

If you have any questions on:

• Dead on Arrival
• Product set up
• Application Use
• Warranty Use

Customer Support Milwaukee Instruments, Inc.
2950 Business Park Drive - Rocky Mount, NC 27804 - U.S.A.
Tel.: +1.252.443.3630 - Fax: +1.252.443.1937