Datalogging Relative Humidity Temperature Pen soil producing thick

producing thick

and they are the easiest way to deliver nutrients

Min TDS: 0

For container gardens

In the absence of high whitefly numbers

Datalogging Relative Humidity Temperature Pen soil producing thickRecords up to 32,000 data points that can be downloaded by plugging the pen directly into a USB port no cradle or cable necessary. Data logging can be programmed to begin immediately, at a predetermined time, activated by the unit's push button, or to continually roll over after a set number of data points. Green and red led lights indicate data logging and alarms. Comes with software, 3. 6V AA battery (3. 6V ER14250), tripod screw and a wrist strap.