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Decagon ES-2 Sensor

The ES-2 Electrical Conductivity Sensor is designed to measure the electrical conductivity of water in a pipe or tank. When you pair the new ES-2 with a GS3 or 5TE in the soil, you’ll begin to develop a complete picture of the salts that are going into your system as well as the salts remaining in your soil or substrate.

Continuous EC measurements in a pipe or tank
Direct measurements of pore water EC when used in conjunction with the Wetting Front Fullstop
Check your EC values anywhere with an internet connection

Utilising the ES-2 Sensor in a custom IoT (Internet of Things)

The SNiP-ES2 is a ‘Sensor Node Integrated Package’ for LoRaWAN or CAT-M1 communication of real-time electrical conductivity and temperature measurements for continuous water quality monitoring.

The base SNiP-ES2 integrates 1x ES-2 Sensor with 1x S-NODE to a site’s unique network, communication and power requirements. The S-NODE can support an added 3x compatible sensors.

RANGE:	Electrical Conductivity: 0 to 120 dS/m Temperature: -40 to 50°C
RESOLUTION:	Electrical Conductivity: 0.001 dS/m Temperature: 0.1°C
ACCURACY:	Electrical Conductivity: + 0.01 dS/m or + 10% (whichever is greater) Temperature: + 1°C
OPERATING TEMPERATURE:	-40° to 50°C
POWER REQUIREMENTS:	3.6 – 15 VDC, 0.03 mA quiescent, 0.5 mA during 300 ms measurement
DIMENSIONS:	ES-2 Housing: 2.2 cm Diameter, 11 cm length ES-2F Housing: 1.5 cm Diameter, 9.2 cm length
THREAD REQUIREMENTS:	1/2 inch NPT thread
MEASUREMENT TIME:	300 ms (milliseconds)
OUTPUT:	Serial TTL, 3.6 Volts Levels or SDI-12
CONNECTOR TYPES:	3.5 mm (stereo) plug, or stripped & tinned lead wires (3)
CABLE LENGTH:	5 m standard; custom lengths available upon request
DATA LOGGER COMPATIBILITY (NOT EXCLUSIVE)	Decagon Em50 Series, ProCheck, Campbell Scientific
SOFTWARE COMPATIBILITY:	ECH2O Utility (rev 1.65+), DataTrac3 (rev 3.6+)
INCLUDED:	Screw-on protective cap for ES-2 use in tanks