ATD Tools Analog Pocket Thermometer 0–220°F — ATD-3407

The ATD-3407 is a compact analog pocket thermometer for automotive and HVAC service professionals who need fast, battery-free temperature verification during A/C, cooling system, and fluid service. Temperature range spans 0–220°F — wide enough to cover refrigerant vent output temperatures, coolant operating ranges, and transmission fluid checks. The analog bimetal mechanism requires no batteries and delivers instant response. Universal application — suitable for automotive A/C vent temperature checks, cooling system service, and HVAC diagnostics. Compatible with any vehicle make, model, or year. Not for direct refrigerant pressure measurement, as well as lift trucks, agricultural equipment, heavy equipment, on/off-highway diesel vehicles. ATD Tools designs shop-ready service instruments for professional technicians who need reliable, straightforward tools. Ships nationwide. Keep one in your A/C service kit for quick temperature verification on every job. Compare Similar Products ATD-3407 — This Product ATD-3412 Digital Pocket Thermometer Brand MPN ATD Tools ATD-3407 ATD Tools ATD-3412 Key Differentiator — (this is the product you are viewing) Digital display, -58°F to 302°F range, ±1°C accuracy Best For Battery-free 0–220°F temp checks — auto A/C, HVAC, diesel & ag fluid Wider range and digital precision Price [your price] View Price → Which Should You Buy? The ATD-3407 analog thermometer is the low-maintenance choice — no batteries, instant reading. For wider range (-58–302°F) and digital precision, choose the ATD-3412 Digital Pocket Thermometer. Browse all Temperature & Pressure Testing Tools at Sinclair Auto Parts.