{"product_id":"li-cor-trisonica-mini-wind-weather-station","title":"LI-COR TriSonica Mini Wind \u0026 Weather Station","description":"\u003cp\u003eThe TriSonica Mini packs a full met station into something that fits in your hand and weighs about as much as a golf ball. It measures wind in \u003cstrong\u003ethree dimensions by ultrasonic pulse — no cups, no vane, no moving parts to wear out or ice up\u003c\/strong\u003e — and adds temperature, humidity, and barometric pressure from internal sensors, plus a compass and accelerometer so it knows its own heading and tilt.\u003c\/p\u003e\u003cp\u003eThat combination makes it practical where a conventional weather station isn't: on a tripod you carry to the site, on a mast at a compliance boundary, or mounted to a drone.\u003c\/p\u003e\u003ch3\u003eWhat it measures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWind speed:\u003c\/strong\u003e 0–50 m\/s, 0.01 m\/s resolution. Accuracy ±0.2 m\/s from 0–10 m\/s, ±2% from 11–30 m\/s, ±4% from 31–50 m\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWind direction:\u003c\/strong\u003e 0–359° horizontal (±1.0°); vertical component ±15° from horizontal (±2°); 1.0° resolution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e −20 to 72 °C, 0.01 °C resolution, ±2.0 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative humidity:\u003c\/strong\u003e 0–100%, 0.01% resolution, ±3%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric pressure:\u003c\/strong\u003e 50–115 kPa, 0.01 kPa resolution, ±1.0 kPa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrientation:\u003c\/strong\u003e magnetometer (±50 gauss) and accelerometer (±2 g, ±180° pitch and roll)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSampling:\u003c\/strong\u003e up to 40 Hz; output rate selectable at 1, 2, 5, 10, 20, or 40 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich model do I need?\u003c\/h3\u003e\u003cp\u003eThe mount is the obvious difference, but \u003cstrong\u003ethe termination and available outputs matter more\u003c\/strong\u003e — check these before ordering:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLI-550F — flat base.\u003c\/strong\u003e Four mounting holes for M3 or 3\/16\" bolts. Terminates in \u003cstrong\u003efour bare wires\u003c\/strong\u003e (no connector), and offers \u003cstrong\u003eRS-232 only\u003c\/strong\u003e. 50 g, 91.9 × 91.9 × 53.6 mm. Choose this to bolt directly to a plate or airframe and wire straight into your own logger.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLI-550P — pole mount.\u003c\/strong\u003e Fits a hollow ½\" schedule 10 pipe or 22 mm carbon fiber tube, so power and data run \u003cem\u003einside\u003c\/em\u003e the mast. Terminates in a \u003cstrong\u003e12-pin circular connector\u003c\/strong\u003e and adds \u003cstrong\u003eRS-422 and UART-3V\u003c\/strong\u003e alongside RS-232. 67 g, 80 × 80 × 73.3 mm. Choose this for a sealed, plug-and-play cable connection and longer cable runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eQuick rule:\u003c\/strong\u003e if you want a weatherproof connector and a ready-made cable, you need the \u003cstrong\u003eLI-550P\u003c\/strong\u003e. The LI-550F is the bare-wire, integrate-it-yourself option.\u003c\/p\u003e\u003ch3\u003ePower \u0026amp; output\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 5–32 VDC, 400 mW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial:\u003c\/strong\u003e continuous ASCII stream at 115,200 baud, 8 data bits, no parity, 1 stop bit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating range:\u003c\/strong\u003e −20 to 72 °C, 0–100% RH non-condensing, up to 5,000 m altitude\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAdd telemetry and it reports on its own\u003c\/h3\u003e\u003cp\u003eBecause the sensor streams standard RS-232 serial, a telemetry gateway with a serial input can read it and push the data to the cloud. Pair it with an \u003ca href=\"\/products\/ayyeka-wavelet-telemetry-unit\"\u003eAyyeka Wavelet\u003c\/a\u003e (which accepts RS-232, RS-485, and SDI-12) plus a \u003ca href=\"\/products\/geotech-siteview-data-plan-annual\"\u003eGeotech SiteView data plan\u003c\/a\u003e and you have an unattended met station reporting wind and weather alongside your water level or water quality sensors on one dashboard. Browse all \u003ca href=\"\/collections\/telemetry\"\u003etelemetry systems\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eTypical applications\u003c\/h3\u003e\u003cp\u003eWeather monitoring and reporting, atmospheric and boundary-layer research, ecosystem and microclimate studies, air quality and trace-gas work where wind direction identifies the source, drone and uncrewed aerial system (UAS) mounting, and fixed or portable tower deployment.\u003c\/p\u003e\u003ch3\u003eCables \u0026amp; documentation\u003c\/h3\u003e\u003cp\u003eThe LI-550P connects with a \u003ca href=\"\/products\/trisonica-cable-assembly-12-position\"\u003e12-position circular plug cable assembly\u003c\/a\u003e (5 m or 10 m). \u003cem\u003eThe LI-550F does not use these cables — it ships with bare wires.\u003c\/em\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/Manuals\/Li-Cor_Manuals\/Trisonica-Mini-User-Manual.pdf\" target=\"_blank\"\u003eTriSonica Mini — user manual (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.geotechenv.com\/pdf\/field_supplies\/li_core_trisonica_mini.pdf\" target=\"_blank\"\u003eTriSonica Mini — datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot sure which model or how to integrate it with your logger? \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e and we'll spec it out.\u003c\/p\u003e","brand":"LI-COR","offers":[{"title":"LI-550F — flat base, bare wires, RS-232","offer_id":48759769170110,"sku":"72254000","price":1540.0,"currency_code":"USD","in_stock":true},{"title":"LI-550P — pole mount, 12-pin connector, RS-232\/422\/UART","offer_id":48759769202878,"sku":"72254002","price":1650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/9926\/6750\/files\/tri_b.png?v=1787150878","url":"https:\/\/envirotechonline.com\/products\/li-cor-trisonica-mini-wind-weather-station","provider":"EnviroTech Services","version":"1.0","type":"link"}