Waterproof Temperature Indicator with Stainless Steel Penetration Probe. The TM26 is an NSF certified Temperature Indicator with long stainless steel penetration probe for measuring in liquids, pastes, and semi-solid food. Ideal for use in food industry, agriculture, and laboratories. Thermometer can be used on desktops with its removable foot stand or can be mounted on wall or metal surfaces with its magnetic back. Meter features ±1.8°F/1°C basic accuracy with 0.1° max resolution, Displays Min/Max reading with reset function, Data Hold freezes current reading on display, Low battery indication, a magnetic back that can be mounted on a metal surface and Waterproof housing to meet an IP65 rating. Complete with magentic back, foot stand, temperature sensor, and a CR2032 3V button battery.