Dwyer 3003MRS-WP Photohelic® Switch/Gauge is a reliable and accurate device designed for monitoring air and compatible gases. With a temperature range of 20 to 120°F (-6.67 to 48.9°C) and an accuracy of ±2% of FS, this product is ideal for various applications. It operates on 24 VDC power supply and offers an optional 24VAC. The electrical connections come with an 18" cable assembly, and the product can be mounted with the diaphragm in a vertical position. With a pressure limit of -20" Hg to 25 psig, the Dwyer 3003MRS-WP is a versatile and practical solution for measuring pressure. It features a 4" dial face with adjustable knobs for easy set point adjustment. Overall, this product is a cost-effective and reliable solution for pressure measurement.