{"product_id":"tzone-tz-wf503b-wifi-temperature-humidity-data-logger-external-probe","title":"Tzone TZ-WF503B Wi-Fi Temperature \u0026 Humidity Data Logger with External Probe","description":"\u003cp\u003eThe Tzone TZ-WF503B is a Wi-Fi temperature and humidity data logger with an external SHT30 probe. It uploads readings to the cloud in real time, so you can monitor cold rooms, freezers and shipments from any browser or phone. No gateway is needed.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal SHT30 probe:\u003c\/strong\u003e Measures temperature and humidity from -40°C to +125°C, with fast response and strong anti-interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh accuracy:\u003c\/strong\u003e ±0.3°C (0–60°C) and ±2% RH (10–90% RH).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time Wi-Fi upload:\u003c\/strong\u003e 2.4 GHz \/ 5 GHz, 802.11 b\/g\/n. Cloud storage is unlimited.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNFC setup:\u003c\/strong\u003e Tap your phone to read and change settings with the \"Real-time Data Logger\" NFC app.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18,368 records on the device:\u003c\/strong\u003e Data is kept locally as well as on the cloud.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual alarms:\u003c\/strong\u003e Cloud platform alerts plus an onboard buzzer, with user-definable temperature and humidity limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD display:\u003c\/strong\u003e Shows temperature, humidity, alarms, Wi-Fi and battery status.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong battery life:\u003c\/strong\u003e Replaceable 3.6 V lithium battery lasts about 2 years at the default 60-minute upload interval.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged IP65 enclosure:\u003c\/strong\u003e Compact and wall-mountable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePress the button to start the logger.\u003c\/li\u003e\n\u003cli\u003eSet it up by tapping it with the NFC app on your phone.\u003c\/li\u003e\n\u003cli\u003ePlace the probe inside the cold room, freezer or container and mount the logger outside. It logs temperature and humidity and uploads over Wi-Fi.\u003c\/li\u003e\n\u003cli\u003eView reports on your mobile or PC.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eThe -40°C to +125°C range applies to the probe. Mount the logger body where the ambient temperature stays between -30°C and +60°C, within range of your Wi-Fi network.\u003c\/p\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eVaccine transport · Blood transport · Pharmaceutical storage · Refrigerated food storage · Container shipments · HACCP, food and catering\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSHT30 temperature \u0026amp; humidity probe (external)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasuring range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.3°C (0–60°C), ±0.5°C (other ranges)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2% RH (10–90% RH), ±4% RH (other ranges)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasuring medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating conditions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30°C to +60°C, 5–95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWi-Fi 2.4 GHz \/ 5 GHz, 802.11 b\/g\/n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNFC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUpload interval\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDefault 60 min, 4 records per upload (1 every 15 min), customizable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCloud platform + buzzer, user-definable temperature \u0026amp; humidity limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDevice memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18,368 records\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReplaceable 3.6 V lithium, about 2 years (at 60-min upload)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize \/ weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e99 x 85 x 28 mm \/ 174 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIP rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a gateway?\u003c\/strong\u003e\u003cbr\u003eNo. The WF503B connects directly to your Wi-Fi network and uploads to the cloud platform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the logger go inside a freezer?\u003c\/strong\u003e\u003cbr\u003ePlace the probe inside. The logger body is rated for -30°C to +60°C, so mount it outside very cold freezers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if Wi-Fi goes down?\u003c\/strong\u003e\u003cbr\u003eThe logger keeps recording and stores up to 18,368 records on the device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the battery replaceable?\u003c\/strong\u003e\u003cbr\u003eYes. It uses a replaceable 3.6 V lithium battery that lasts about 2 years at the default upload interval.\u003c\/p\u003e","brand":"Tzone","offers":[{"title":"Default Title","offer_id":68115983565099,"sku":null,"price":385.0,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/7788\/8555\/files\/Tzone-WF503B-01-main.jpg?v=1794676935","url":"https:\/\/www.tefco.sa\/products\/tzone-tz-wf503b-wifi-temperature-humidity-data-logger-external-probe","provider":"TEFCO","version":"1.0","type":"link"}