{"product_id":"vivosun-aerolab-thb1s-hygrometer","title":"VIVOSUN AeroLab THB1S Bluetooth Hygrometer – For Grow Tents","description":"\u003ch2\u003eCanopy temperature, humidity and VPD – on the screen and on your phone\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eVIVOSUN AeroLab THB1S\u003c\/strong\u003e is a Bluetooth thermo-hygrometer with a built-in \u003cstrong\u003eSwiss-made sensor\u003c\/strong\u003e and a \u003cstrong\u003e3m external probe\u003c\/strong\u003e, so it can read two places at once – the room and the tent, or the canopy and below it. The 2.33in LCD shows temperature, \u003cstrong\u003ehumidity\u003c\/strong\u003e, \u003cstrong\u003eVPD\u003c\/strong\u003e, the day's highs and lows and comfort-range indicators, and it pairs with the \u003cstrong\u003eVIVOSUN app\u003c\/strong\u003e over Bluetooth 5.0 for live readings, alerts and two years of free cloud data. Accuracy is \u003cstrong\u003e±0.5°C\u003c\/strong\u003e (±0.9°F) and \u003cstrong\u003e±5% RH\u003c\/strong\u003e, refreshed every 2 seconds.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-channel monitoring\u003c\/strong\u003e – built-in sensor plus a 3m probe; switch between them on the unit or in the app\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVPD on screen\u003c\/strong\u003e as well as temperature and humidity, with max\/min records and comfort-range icons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate and quick\u003c\/strong\u003e – ±0.5°C and ±5% RH, updating every \u003cstrong\u003e2 seconds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo years of free data storage\u003c\/strong\u003e in the VIVOSUN app, with export\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote readings and alerts\u003c\/strong\u003e when paired with a VIVOSUN GrowHub E42, E42A or E25 acting as its Wi-Fi gateway\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount it anywhere\u003c\/strong\u003e – wall screw, kickstand, magnet or the strap to hang it in the tent; about a year on three AAA batteries\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Read Humidity and VPD at the Canopy?\u003c\/h3\u003e\u003cp\u003eTemperature and \u003cstrong\u003ehumidity\u003c\/strong\u003e swing hard between lights-on and lights-off, and a reading by the door rarely matches what the plants feel. Too humid and you invite mould; too dry and plants close their stomata, slowing growth and \u003cstrong\u003enutrient uptake\u003c\/strong\u003e. A VPD reading at plant height, with a record of the overnight highs and lows, tells you straight away whether your extraction, heater, humidifier or dehumidifier settings are working.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit the three AAA batteries\u003c\/strong\u003e (included) and download the VIVOSUN app\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePair it:\u003c\/strong\u003e hold the Pair\/Channel button for 3 seconds with Bluetooth on, then add the device in the app\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHang it in the tent\u003c\/strong\u003e just above the canopy with the strap, or stand or mount it where you want the main reading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug in the probe\u003c\/strong\u003e and run it to the second spot – outside the tent or under the canopy – then press Pair\/Channel to switch readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e°C\/°F:\u003c\/strong\u003e press the °C\/°F button; hold it for 3 seconds to clear the max\/min history\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep the probe in air\u003c\/strong\u003e – it measures air temperature and humidity and must not go in water or nutrient solution\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e VIVOSUN AeroLab THB1S (with external probe)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensors:\u003c\/strong\u003e built-in Swiss temperature\/humidity sensor + external probe on a 3m lead\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 2.33in LCD – temperature, humidity, VPD, max\/min, comfort ranges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e -20°C to 65°C, accuracy ±0.5°C (±0.9°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 0–100% RH, accuracy ±5% RH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefresh rate:\u003c\/strong\u003e every 2 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Bluetooth 5.0, up to 50m with no obstructions; Wi-Fi via GrowHub E42\/E42A\/E25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData:\u003c\/strong\u003e 2 years free cloud storage, export in the app\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 3 x AAA batteries (included), about 1 year battery life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 8.4 x 7.1 x 2cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e wall screw, kickstand, magnet or hanging strap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn the box:\u003c\/strong\u003e monitor, 3m sensor probe, 3 x AAA batteries, strap, wire tie, wall screw and plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdiv class=\"hcs-faq\"\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eDo I need Wi-Fi or a hub to use it?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. It works on its own screen and pairs with your phone over Bluetooth within range. For readings and alerts while you are away, add a VIVOSUN GrowHub E42, E42A or E25, which acts as its Wi-Fi gateway.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eWhat is the external probe for?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eIt gives a second reading 3m away from the unit – for example the canopy and the room, or inside and outside the tent. Switch between channels with the button or in the app. It measures air only, so never put it in water.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eCan I see past readings?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eYes. The screen shows the day's highs and lows, and the VIVOSUN app keeps two years of temperature, humidity and VPD history free, which you can export.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003ch3\u003eWorks Well With\u003c\/h3\u003e\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/vivosun-growhub-e25\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/vivosun-growhub-e25-1.jpg?v=1790597873\u0026amp;width=160\" alt=\"VIVOSUN GrowHub E25 Controller – Grow Room Environment\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eVIVOSUN GrowHub E25 Controller – Grow Room Environment\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eWi-Fi gateway for remote alerts\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/vivosun-grow-hub-controller-e42a\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/vivosun-grow-hub-controller-e42a.webp?v=1787263551\u0026amp;width=160\" alt=\"VIVOSUN GrowHub E42A Controller – Smart Grow Room Automation\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eVIVOSUN GrowHub E42A Controller – Smart Grow Room Automation\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eAdds it as an extra room sensor\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":53931042242826,"sku":"TLS-VIVO-007-01","price":29.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/vivosun-aerolab-thb1s-hygrometer-default-title-1.jpg?v=1792294980","url":"https:\/\/hydrocropshop.co.uk\/products\/vivosun-aerolab-thb1s-hygrometer","provider":"Hydro Crop Shop","version":"1.0","type":"link"}