MT300D-HOBO Soil Moisture Sensor for HOBO UX120-006M and U12s dataloggers.

Reference MT300D-HOBO

The MT300D-HOBO is a probe for obtaining soil moisture content (% VWC). Specially developed for the HOBO logger and to be used by the HOBOware program, it is not suitable for any other use.

Electronically built around a Microcontroller of last generation, it detects to a frequency of 70 MHz. The variations, in relation to the medium in which it is, later transforms these variations of frequency in analogical data.

It needs additional current to the HOBO datalogger, three AA batteries of 1.5 volts.

Description

Characteristics

High precision non-resistive soil moisture probe.
Measured in Volts / % VWC
Manufactured according to CE standard
Manufactured in fiberglass, electronic encapsulation with special anti-humidity resin.
Resistant to salinity, fertilizer chemicals and corrosion.

Measurement accuracy: ± 3% VWC (Accuracy improves with actual field calibration)
Measuring range: On HOBO Logger from 0.100 V (0%) to 2.200 V (100%)
Operating voltage: 3.6 to 5 V
Operating consumption: < 0.004mA per measurement
Autonomy of external power supply operation: Autonomy of 1 year, frequency measurements of 15 minutes HOBO
Operating Temperature: -40º to +60º C (-40 to 140º Fahrenheit)
Protection Internal stabilization of the sensor at 3 Volts
Connectors: Jack 2.5 mm male (HOBO) Jack 3.5mm female (power)
Cable: 3 m hose, 4 x 0.14mm2, 300v
Weight: 64 gr
Dimensions: 127*26mm

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