The Masoneilan 4000 Converter Module by Dresser is a high-performance electrical signal converter device that converts electric signals into pneumatic outputs. The model 4000 I/P Converter is provided especially for the industrial applications that require careful conversion of signals. It is Part No.: 055100-212-888 and designed to meet all the safety and performance requirements, including Sira 02Atex 1274, which makes it safe for hazardous location use. The unit has been certified for operation within explosive atmospheres, taking into consideration the explosion protection ratings such as Ex D Iic T4 Gb for temperatures that range between -40°C and +85°C. Other ratings include Ex D Iic T5 and T6 Gb to afford flexibility in different temperature ranges. It has intrinsic safety, flameproof construction, and Type ‘n’ protection, ensuring very effective performance in harsh conditions. With a Pi rating of 0.8W, 4000 Converter is very energy efficient. Sira 02Atex 2277X and Sira 02Atex 4279X certifications allow it to be used in environmental conditions that demand extra safety. It is rated to specifications like Ex Ia Iic T4 Ga for ambient temperatures up to +80°C. Electrical ratings are Ui=30Vdc, Ii=110mA, Ci=0, Li=0, thus giving flexibility for varied types of electrical systems. The 4000 Converter can take up to a maximum pressure capacity of 150 PSI and features an IP66 rating, making it robust and reliable enough for the toughest environmental conditions. Powered by a standard 4-20 mA input signal, this module is compatible with many control systems. Weighing just 660 grams, this module is compact and high-performance and suitable for a wide variety of industrial automation and control applications. It has been ensured that the converter would not fail in performance, would fulfill all safety requirements and features, and have rugged design for being used even in hazardous environment operation if precise signal conversion is required in industries.