{"product_id":"palmer-wahl-dst621-661-digi-stem-dual-sensor-rtd-thermometer-with-transmitter","title":"Palmer Wahl DST621_661 | Digi-Stem Dual Sensor RTD Thermometer with Transmitter | -45.5 to 260 °C","description":"\u003cp\u003eThe DST621_661 is the meter for the Digi-Stem DST621 and DST661 Series (probe sold separately). It adds a second 4-wire RTD, wired to an internal 4–20 mA transmitter, to the DST600 platform. The battery-powered primary RTD is the reference indicator, while the secondary runs on separate 24 V DC loop power to feed a recorder or control panel through a watertight Turck four-pin connector. It is designed for critical uses such as low acid canned food processing, meeting FDA 21 CFR Part 113 requirements for replacing mercury-in-glass thermometers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e±0.1 °F\/°C meter accuracy over 1 year (23 °C ±5 °C ambient)\u003c\/li\u003e\n\u003cli\u003eSelf-checking electronics show \"Err\" if out of tolerance\u003c\/li\u003e\n\u003cli\u003eProbe ID prevents unauthorised probes\u003c\/li\u003e\n\u003cli\u003eDST621 polycarbonate H frame; DST661 all stainless, both NEMA 4X\u003c\/li\u003e\n\u003cli\u003e1.0 in LCD readable to 30 ft\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Palmer Wahl","offers":[{"title":"Default Title","offer_id":67715789226097,"sku":"DST621_661","price":0.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0625\/3930\/0977\/files\/DST621_TURCK_CONNECTION.jpg?v=1792286160","url":"https:\/\/www.generaltechshop.sa\/products\/palmer-wahl-dst621-661-digi-stem-dual-sensor-rtd-thermometer-with-transmitter","provider":"General Tech Services LLC","version":"1.0","type":"link"}