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ABOUT THE EM50 LOGGER SERIES
2. ABOUT THE EM50 LOGGER SERIES
2.1 EM50 LOGGER SERIES OVERVIEW
The ECH
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O system is made of data loggers, sensors, telemetry, and software that help you
measure soil moisture and other environmental parameters accurately and cost effectively.
METER's innovative sensors are the heart of the system and we designed it to be very easy to
use (no programming needed).
The Em50 series loggers are 5-port, self-contained data loggers especially suited for
field research and commercial agriculture. The Em50 logger series includes three models:
the Em50, the Em50R, and the Em50G. These devices are housed in a weather-resistant
enclosure, making them suitable for long-term outdoor operation.
Em50: The Em50 is the basic logger. The communication with this model is through a stereo
to USB or stereo to serial cable to a PC or mobile handheld device. An integrated solar panel
is an options for the Em50.
Em50R: The Em50R includes a spread-spectrum radio telemetry module that delivers data
to a DataStation. The radio module is available in long-range 900 MHz. Use the telemetry in
energy efficient transmit mode or two-way mode. (Section6 provides more information on
telemetry.)
Em50G: The Em50G includes a GSM/GPRS (Global System for Mobile communications/
General Packet Radio Service) cellular module to allow environmental measurement data
transmission over the Internet. METER partners with a provider of global cellular data
service to make data transmission and maintenance easy and inexpensive. Measurements
from the Em50G are sent wirelessly to METER internet server and are available for download
using ZENTRA Cloud. An integrated solar panel is an option for the Em50G.
Em50 Compatible Sensors: You can use the Em50 to log data for almost all of the legacy
sensors that METER sell. Please see metergroup.com or our catalog for an up-to-date list of
supported sensors.
2.2 SPECIFICATIONS
Sensor Input Ports Five 12-bit analog or 32-bit digital
Sensor Port Type 3.5-mm stereo plug connector
Data Storage 1 MB (36,800 scans for all five ports)
Memory Type Nonvolatile flash
Battery Capacity Five AA alkaline or lithium batteries
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