MOISTERM

MoistTerm  is a service-oriented software tool from RGI that helps with setting up, parameterizing and checking the microwave moisture sensor 7406.

This  software works with the humidity sensor firmware 7406 of the transmitter and receiver and enables easy setting of all measurement parameters depending on the application.

As  soon as the parameters of the moisture sensor 7406 are set, it can be separated from MoistTerm.

All  parameters are stored in the microcontroller of the 7406 humidity sensor and are retained in its EEPROM in the event of a power failure.

For  routine use, the evaluation unit for the 7406 humidity sensor is sometimes connected to the pulse frequency output of the MOCON 21.

All  operating functions and the technical description are in the supplied MOCON 21 manual.

For  other applications, the 7406 humidity sensor is connected to the RS485 bus system, which connects further RGI modules to an industrial PC that functions as the central measurement data acquisition and evaluation station


MOCON 21
Controller for moisture measurement on conveyor belts
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The 2.4 GHz ISM band-based microwave moisture sensor 7406 consists of 2 modules with built-in front-end electronics: a receiver and a transmitter unit, each with an HF antenna, which measures the moisture of almost electrically non-conductive bulk material in industrial applications.

The  material must be between these two components (e.g. on a conveyor belt).

Transmitter 7406 sends a constant pattern of pre-programmed RF power on a fixed frequency channel, which starts approx. 10 seconds after the device is switched on after the built-in HF module has initialized.

The  receiving unit 7406 receives the RF signal level at the pre-programmed frequency, which process starts approx. 10 seconds after switching on after the device has initialized the built-in RF module.

From  now on, the 7406 unit repeatedly generates the values ​​of the received signal strength indicator (RSSI signal = logarithmic value of the received RF signal) of its RF part.

The  repetition interval (at least 0.25 seconds) and the receiver frequency are constant and pre-programmable and are customer-specific parameters.

All  system parameters are stored in the non-volatile EPPROM of the corresponding modules.