Description

FOM2/mts TDR Soil Moisture Meter as well as the related probes developed in the Institute of Agrophysics Polish Academy of Sciences, Lublin, Poland and manufactured in E-Test Ltd. -Poland.

The FOM2/mts and is a measurement device for Soil moisture (on the base of Time Domain Reflectometry technique), and electrical conductivity (salinity). FOM2/mts is a new TDR meter for field measurements of soil moisture, temperature and electrical conductivity. The new field instrument is smaller, lighter and has better battery. It is equipped with a Bluetooth Low Energy module and can be operated by a smartphone or a tablet using an Android app.  ​Due to implemented modifications and manufacturing improvements, the new FOM2/mts is a more economical solution without losing measurement accuracy.  

Features:-

• Controlled remotely via Bluetooth Low Energy by an Android (v. 4.3 and higher) app available on web.
• Measurement capabilities and accuracy as: soil moisture (accuracy: ±2%), bulk electrical conductivity (accuracy: ±0.01 S/m) and temperature (accuracy: ±0.5°C).
• Operates with FP/mts and LP/ms TDR probes with cable lengths 1.5 m to 6 m.​
• USB port enables full control by a PC application

 

FP/mts : Field TDR Probe

FP/mts is a Time-Domain Reflectometry probe for momentary or semipermanent installation for in situ simultaneous measurement of Moisture, Temperature and Salinity (bulk electrical conductivity) of the soil from the same sampling volume. Thin-wall PVC body of the probe provides ultimate low heat conductivity, thus allowing to avoid the parasite "thermal bridge" effects on distribution of soil moisture in the probe’s sensor vicinity.

Features:

• Measurement of soil moisture, bulk electrical conductivity and Temp.
• Operates with FP/mts field meter and TDR/MUX/mpts laboratory meter.
• Applicable for field use or monitoring purposes.

Physical characteristics:-

• Two 10 cm long sharpened acid-resistant steel rods (2 mm in diameter, separated by 14 mm).
• Sensor support made from a section of a PVC tube of 2 cm outer diameter and length from 15 to 150 cm (or longer on request), dependent on the intended depht of the sensor installation.
• Available straight or curved sensor support for easy installation.
• Available cable lengths from 5 m from the sensor to the terminating SMA connector.
• On special request, additional support shapes, rods of different lenghts and diameters are available.

                                                 

                                                         Specification

Soil Moisture:-

Volumetric Soil Moisture Range : 0 to 100 % (VWC)
Accuracy : ±2 % (or less if the measured soil is individually calibrated)

Resolution : 0.1 %

Repeatability : ± 0.1% VWC
 

Soil Temperature:-

Temperature Range : -20  to +50 °C 
Accuracy : ±0.5 °C or less if read from individually calibrated probe 

Resolution : 0.1 °C 

 

Electrical conductivity:-

Electrical Conductivity Range : 0.000 ÷ 1 S/m

Accuracy : ±10 % for 0 ÷ 1 S/m or less if read from individually  calibrated probe 

Resolution : 0.001 S/m 

 

TDR Meter : Hand Held TDR Meter & Display Unit

Display Unit :  5-inch capacitive touch screen display

Display Unit Software : user friendly software

Communication with PC : By USB cable

Data Storage : up to 1000000 data set

Time of test : less than 5 sec. 

Working temperature : 0  to +50 °C 

Storage Temperature : -10 to +50°C

Probe length : 15 cm to 150 cm (Probe length as per customer requirement)

Pulse : sin2 -like needle pulse having 200 ps rise-time

Calibration : User can calibrate FOM2/mts TDR meter using the supplied software

Probe Cable : 5 meter

Power : Li-Polymer, 2500 mAh, 3.7VDC (Rechargeable)

Battery Life : 3000 measurements or 182 days of stand-by

Charging : >0.5A/5V micro USB plug charger or power bank

Meter Dimensions: 180 x 85 x 58 mm

Weight : 200.5 g