Dwyer SPPM-28-C is a smart programmable panel meter designed for indoor or outdoor use. It features a 2.4", 2.8" or 3.5" TFT full color screen with 320 x 240 pixel resolution. The meter has an accuracy of ±2.0°F (±1.0°C) and a temperature range of 32 to 104°F (0 to 40°C). It can be powered by a USB port through the SPPM panel meter or a voltage of 4-30 VDC maximum. The meter has a NEMA 4X (IP66) enclosure rating, making it suitable for various environments. It supports K-type, J-type, and T-type probe ranges and has a sampling rate of 3 samples/second. The meter also has screw terminals, pin connections, or USB options for easy connection. Compatible with Windows® 7, Windows® 8, and Windows® 10, this meter is an ideal solution for precise temperature monitoring.