成人做爰免费视频免费看_成人a级高清视频在线观看,成人a大片在线观看,成人a大片高清在线观看,成人av在线播放,一a一级片,一级黄 中国色 片,一级黄 色蝶 片,一级黄色 片生活片

The PH-1 module and pH meter application turns your iPhone 4 or 4S into a pH meter quickly and easily. Perfect for occasional measurements in the field, plant or lab. The app provides real time display of pH, mV, and temperature. Measurement records include time stamp and geographic coordinates.

• Free app can be downloaded directly from the iPhone App store
• Module easily affixes to the bottom of your iPhone
• pH probe connects to the module via a standard BNC connector

  Free app can be downloaded directly from the iPhone App store

  Easy-to-use app provides real time display of measurement data. It also stores calibration and measurement history - including comment fields for electrode, user, and general information.

  Module easily affixes to the bottom of your iPhone

  Simply attach the PH-1 module to the bottom of your iPhone 4 or 4S, launch the pH meter app, and you're ready to take measurements!

  pH probe connects to the module via a standard BNC connector

  The PH-1 module accepts any pH electrode with a BNC connector. For temperature compensated measurements, use with Hach electrode 2039700 （included）.