Watson Smith 3M001292 53A00100 I-P Converter Type 423

Watson Smith 3M001292 53A00100 I-P Converter Type 423

The Watson Smith Type 423 I-P Converter is a high-performance device engineered to convert a 4-20mA electrical input signal into a proportional pneumatic output. This converter is designed to deliver precise and reliable control in various industrial applications.

Key Features

• Advanced Electronic Control: Utilizes sophisticated electronic mechanisms to ensure accurate signal conversion and system responsiveness.
• Failfreeze Operation: Maintains the last known output pressure in the event of a power failure, enhancing system safety and reliability.
• Vibration Immunity: Engineered to withstand vibrations, making it suitable for use in dynamic industrial environments.
• Weatherproof Design: Built to operate effectively in various environmental conditions, ensuring durability and consistent performance.

Technical Specifications

• Input Signal: 4-20mA (two-wire configuration)
• Output Signal: 0.2-1 bar (3-15 psig); minimum outlet pressure less than 140 mbar (2 psig)
• Air Supply: Oil-free, dry air filtered to 3 microns; operating range of 1.5-3.5 bar (20-50 psig) or at least 0.7 bar above the maximum output pressure
• Flow Capacity: Up to 300 Nl/min (10 scfm)
• Air Consumption: Approximately 0.6 l/min (0.02 scfm)
• Response Time: 5 seconds (from 10% to 90% of output pressure into a 0.5-liter load)
• Total Error: Maximum error of ±0.5% of span, accounting for non-linearity, hysteresis, dead zone, and repeatability
• Temperature Effect: Typically better than 1% span between -10°C and 60°C
• Connections: Standard 1/4” NPT female ports, with two integral 1/4” NPT gauge ports; other configurations available upon request

Physical Characteristics

• Operating Temperature Range: -20°C to +70°C
• IP Rating: IP65, indicating a high level of protection against dust and water ingress
• Vibration Resistance: High immunity to vibrations, ensuring stable operation in various conditions
• Electromagnetic Compatibility: Compliant with CE marking standards, tested to BS EN50082-2: 1995 and BS EN50081-2: 1994
• Construction Materials: Zinc die-casting with passivation and epoxy painting; Verton glass/nylon cover; nitrile diaphragms
• Weight: Approximately 800 grams
• Mounting Position: Can be operated in any orientation without recalibration; includes an integral surface mounting bracket for vertical installation

Electrical Specifications

• Failure Mode: Output pressure falls below 15 mbar (0.2 psig) when the input signal fails
• Electrical Connections: Equipped with a 30mm square connector (DIN 43650), mountable in four directions; alternative connections available upon request

The Watson Smith Type 423 I-P Converter is a robust and reliable solution for precise current-to-pressure conversion, suitable for a wide range of industrial applications requiring dependable pneumatic control.