Model Number SRD960-BHQDSN7EDZFA
Type Smart Electronic Valve Positioner
Supply Air Pressure 1.4 - 7 bar (20 - 100 psi)
Action Single-acting (for spring-return actuators)
Ambient Temperature -30°C to +80°C (-22°F to +176°F)
Input Signal 2-wire, 4-20 mA DC (Loop powered)
Load Resistance Typically up to 850 Ohms at 20 mA (dependent on air supply)
Communication HART® protocol (standard for digital communication)
Performance
Accuracy Typically ≤ ±0.5% of span
Hysteresis Typically < 0.1%
Linearity Typically < 0.1%
Mechanical & Physical
Housing Protection IP66/67 (NEMA 4X equivalent) - Dust-tight and protected against powerful water jets and temporary immersion.
Mounting Direct mounting per VDI/VDE 3845. Adapter kits available for other standards.
Pneumatic Connections FA = 2 x 1/4" NPT internal thread
Electrical Connection Z = Cable gland M20 x 1.5
The Foxboro ECKARDT SRD960-BHQDSN7EDZFA is a smart, microprocessor-based electronic valve positioner. It is designed to precisely control the position of pneumatic control valves (e.g., rotary type like ball or butterfly valves) in process automation systems.