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SER Series Digital Valve Positioner
Brand: A-T Controls, Inc
Reliable valve control device guaranteeing optimum span and zero settings by smart auto-calibration function.
Features- Auto-calibration for Optimum Zero and Span Setting
- Simple and Easy to Set
- Precise Control Performance and High Dynamic Response
- Pressure Regulator Built in to Eliminate Variations in Supply Air Pressure
- Low Air Consumption due to Piezo Electric Microvalve
- Input / Output Signal Isolated
- Automatic Detection for DA: Direct-Acting or RA: Reverse Acting
- Single and Double Acting Available
- No Hunting on the Small Actuators
- 1/2 Split Range Available
- High Resistance Against Shock and Vibration
Specifications
Brand
Actuator Type
- Double-Acting
- Linear
- Rotary
- Spring Return
Adjustment Type
- Zero & Span Adjustment
Air Consumption
- 0.05 scfm (0.08 Nm³/hour) at psi: 20.31 to 87.02 (kPa: 140 to 600, bar: 1.4 to 6) Supply
Approvals & Certifications
- KC Ex d IIB + H₂ T6 IP66
- NAMUR
Consumption
- 170 mW at 20 mA - Power Consumption
- 30.8 mW at 4 mA - Power Consumption
Enclosure, Body Material
- Aluminum - Die Cast
Environmental Protection
- Explosion-proof
- IP66
- Weatherproof
Flow Capacity
- 2.8 scfm (4.8 Nm³/hour) at psi: 20.31 (kPa: 140, bar: 1.4) Supply - Air Capacity
Hysteresis
- 0.5 % of Full Scale
- Within 0.2 %
Input Impedance
- 0 to 430 ohms
Input Signal
- 4-20 mA DC
Linearity
- ± 1 % of Full Scale
- Within ± 0.5 %
Media
- Allowed Gas
- Dust
- Free of Water
- Oil
- Pressurized Air
Mounting
- Direct Mounting
NPT Connection
- 1/2” NPT - Pneumatic Connection
- 1/4” NPT - Pneumatic Connection
Operating Temperature
- -30° to 80° C (-22° to 176° F)
Output
- 2-Wire
- 4-20 mA
Output Options
- Pressure Gauge
Power Supply
- 15-30 Vdc
- 24 Vdc - Recommended Power Supply
Pressure Range
- psi: 150 (kPa: 1,000, bar: 10) - Pressure Gauge
Repeatability
- ± 0.5 % of Full Scale
Rotation
- 50° to 90°, Max.
Sensitivity
- Within ± 0.2 %
Supply Pressure
- psi: 20 to 100 (kPa: 150 to 700, bar: 1.5 to 7) - Air
Supply Voltage
- 8.5-30 Vdc (42 ohms)
