Details
Manufactured by Vaisala in Finland as the model number RS80-15GH, these are a complete weather reporting radiosonde, designed to be hung from a weather / meteorological balloon.
Complete with an 8 channel 1200 baud codeless digital GPS receiver, 403 Mhz Telemetry Transmitter, Barometric, Humidity & Temperature sensors.
The device includes and is driven by a purpose designed air-cell battery.
Beautifully engineered components, Air pressure is measured by a lovely little capacitive aneroid barometer; Temperature by a capacitive bead thermocouple; Humidity by a thin film capacitive 'Humicap'. Great units just to tinker with or a bargain if you are using them for their intended use as the usual price is close on £100 EACH !
For the complete specifications, please have a look at the manufacturers pdf file:
http://forum.radiosonda.sk/download/file.php?id=130&sid=8c0449ad018ad1d6fb49dad10f95d9e9
The units are supplied new and sealed as from the manufacturer. In the photograph we show an unopened unit in its gold foil bag, together with an opened packed showing the sonde, silk string and battery, then several photos of the internal components, no wonder they usually cost a fortune !!
Complete with an 8 channel 1200 baud codeless digital GPS receiver, 403 Mhz Telemetry Transmitter, Barometric, Humidity & Temperature sensors.
The device includes and is driven by a purpose designed air-cell battery.
Beautifully engineered components, Air pressure is measured by a lovely little capacitive aneroid barometer; Temperature by a capacitive bead thermocouple; Humidity by a thin film capacitive 'Humicap'. Great units just to tinker with or a bargain if you are using them for their intended use as the usual price is close on £100 EACH !
For the complete specifications, please have a look at the manufacturers pdf file:
http://forum.radiosonda.sk/download/file.php?id=130&sid=8c0449ad018ad1d6fb49dad10f95d9e9
The units are supplied new and sealed as from the manufacturer. In the photograph we show an unopened unit in its gold foil bag, together with an opened packed showing the sonde, silk string and battery, then several photos of the internal components, no wonder they usually cost a fortune !!