{"product_id":"ath4-dual-temperature-accessory-head","title":"Fieldpiece ATH4 Dual Temperature Accessory Head","description":"\u003cp\u003eThe Fieldpiece ATH4 measures two temperatures simultaneously using included K-type wrap-tab thermocouples, displaying T1, T2 and the calculated T1–T2 differential on a compatible meter — ideal for airflow delta-T checks and coil performance diagnostics.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSimultaneous dual-temperature reading with T1\/T2\/Delta-T display\u003c\/li\u003e\n\u003cli\u003eAccepts any K-type thermocouple; two wrap-tab thermocouples included\u003c\/li\u003e\n\u003cli\u003eField-calibratable via external adjustment pots for ±1°F accuracy\u003c\/li\u003e\n\u003cli\u003eAuto-off (can be disabled for continuous data logging)\u003c\/li\u003e\n\u003cli\u003eCan be made wireless with the optional EH4W handle kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRange: -50°F to 1800°F (-46°C to 982°C), upper range requires an optional high-temp thermocouple\u003c\/li\u003e\n\u003cli\u003eAccuracy (after field calibration): ±1°F from -50 to 165°F; ±2°F from 165 to 350°F; ±3°F from 350 to 1700°F\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1° on meters with 0.1mVDC resolution\u003c\/li\u003e\n\u003cli\u003eThermocouple type: K-type (2 included, insulated to 400°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eWorks with Fieldpiece Stick series meters, DL3 data logger, and the EHDL1 electronic handle. Compatible with other DMMs via the AHDL1 adaptor handle or ADLS2 leads.\u003c\/p\u003e\n\u003cp\u003eModel: ATH4\u003c\/p\u003e","brand":"Fieldpiece","offers":[{"title":"Default Title","offer_id":51615576752434,"sku":"ATH4","price":128.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/1577\/files\/ATH4-Clearance.png?v=1787228346","url":"https:\/\/shop.ptea.com.au\/products\/ath4-dual-temperature-accessory-head","provider":"Palm Tree Enterprise Australia","version":"1.0","type":"link"}