{"product_id":"hot-wire-probe-head-temperature-humidity-sensor-0635-1570","title":"Hot Wire Probe Head for Temperature \u0026 Humidity Measurement","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThe Testo 0635 1570 Hot Wire Probe Head significantly expands the functionality of your existing Testo universal handle. Designed for versatility, this probe head allows for parallel determination of relative humidity and air temperature in indoor environments, including capabilities for long-term measurements.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eThis intuitive sensor integrates seamlessly, providing precise data with absolute pressure compensation. It also calculates essential metrics like wet bulb temperature, dew point, and absolute humidity, making it an indispensable tool for HVAC professionals.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eWhy It Matters\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eAccurate measurement of air velocity, temperature, and humidity is crucial for maintaining optimal indoor air quality and ensuring HVAC system efficiency. This hot wire probe head provides reliable data, enabling technicians to diagnose issues, verify system performance, and ensure comfortable, healthy indoor environments.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eHot wire probe head including temperature and humidity sensor\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eCalibration protocol\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cstrong\u003eVersatile Measurement:\u003c\/strong\u003e Determines relative humidity, air temperature, and absolute pressure.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cstrong\u003eAdvanced Calculations:\u003c\/strong\u003e Provides wet bulb temperature, dew point, and absolute humidity.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Plugs onto an extendable telescope and connects to universal handles (Bluetooth® or cable).\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cstrong\u003eSmart Calibration:\u003c\/strong\u003e Only the probe head needs to be sent for calibration, reducing downtime.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cstrong\u003eRobust Design:\u003c\/strong\u003e Hot wire technology ensures reliable readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eMonitoring indoor air quality in residential and commercial buildings.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eAssessing HVAC system performance and efficiency.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003ePerforming long-term climate measurements in critical environments.\u003c\/li\u003e\n\u003cli style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eDiagnosing ventilation issues and ensuring proper airflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote style=\"border-left: 4px solid #007acc; background-color: #f9f9f9; font-style: italic; padding: 15px; margin: 20px 0;\"\u003e\n\u003cstrong\u003eTradie Pro Tip:\u003c\/strong\u003e Always ensure your probe head is clean and properly calibrated for the most accurate readings. The intelligent calibration concept means you only need to send the head in, saving time and simplifying maintenance.\u003c\/blockquote\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 16px; margin-bottom: 20px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eMeasuring Range\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eAccuracy\u003c\/th\u003e\n\u003cth style=\"color: #007acc; border: 1px solid #e0e0e0; padding: 10px; text-align: left; background-color: #f5f5f5;\"\u003eResolution\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eTemperature - NTC\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e-4° to 158 °F \/ -20 to +70 °C\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e±1.4 °F (-4° to 32 °F) \/ ±0.8 °C (-20 to 0 °C)\u003cbr\u003e±0.9 °F (32° to 158 °F) \/ ±0.5 °C (0 to +70 °C)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0.1 °F \/ 0.1 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eHumidity - Capacitive\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e5 to 95 %rH\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eHysteresis: ±1.0 %rH\u003cbr\u003e±3 %rH (65 to 90 %rH)\u003cbr\u003e±2 %rH (35 to 65 %rH)\u003cbr\u003e±5 %rH (Remaining Range)\u003cbr\u003e±0.06 %rF\/K (k=1)\u003cbr\u003e±3 %rH (10 to 35 %rH)\u003cbr\u003elong-term stability: ±1%RH \/ year\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0.1 %rH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003eAbsolute Pressure\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e+280 to +440 InH₂O \/ +700 to +1100 hPa\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e±1.2 InH₂O \/ ±3.0 hPa\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px;\"\u003e0.1 InH₂O \/ 0.1 hPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003ePair With\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eEnhance your measurement setup with a Universal Bluetooth Handle, a Universal Cable Handle, or an Extendable Telescope for Air Velocity Probes.\u003c\/p\u003e\n\u003ch2 style=\"color: #007acc; border-bottom: 2px solid #f0f0f0; padding-bottom: 8px; margin-top: 35px;\"\u003eGet Yours Today\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; line-height: 1.6; margin-bottom: 20px;\"\u003eExpand your measurement capabilities with the Hot Wire Probe Head including Temperature and Humidity Sensor. Order yours now for precise and reliable HVAC diagnostics.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Automated FAQ Schema --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What measurements can this probe head perform?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Hot Wire Probe Head measures relative humidity, air temperature, and absolute pressure. It also calculates wet bulb temperature, dew point, and absolute humidity.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does the intelligent calibration concept benefit me?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"With the intelligent calibration concept, you only need to send in the probe head for calibration, not the entire measuring instrument. This reduces downtime and simplifies the calibration process.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What accessories are needed to use this probe head?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"To use this probe head, you will need a universal handle (either Bluetooth or wired) and an extendable telescope for air velocity probes. A handle adapter (0554 2160) is also required to connect the probe head to the universal handle.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Testo","offers":[{"title":"Default Title","offer_id":43536272261179,"sku":"0635 1570","price":1875.18,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0316\/7787\/4235\/files\/0635-1570-hot-wire-probe-head-incl-temperature-and-humidity-sensor.png?v=1779418379","url":"https:\/\/www.hvacshop.com.au\/products\/hot-wire-probe-head-temperature-humidity-sensor-0635-1570","provider":"HVAC Supply Shop","version":"1.0","type":"link"}