Specifications

WESTLOCK CONTROLS CORPORATION
280 MIDLAND AVENUE, SADDLE BROOK, NJ 07663 TEL: [phone] FAX: [phone]
www.westlockcontrols.com
1/12/10 TECH-439/D.W.O. 19024 Page 36 of 58
6 Technical Specifications
Input
Set-point: 4-20 mA, two wire, Namur NE43
Normal Operation: 3.8≤ I ≤ 20.5 mA
Fail Condition: I≤3.6 or I≥21.0 mA
Minimum current w/o reset: 3.2mA
Voltage: 9 to 35 VDC
Over-current protection: < 70mA, 40VDC
Impedance: 450 Ohms @ 20mA
Pressure: 15 - 45 psi (Low)
40 - 120 psi (High)
Instrumentation air quality must be
according to ISA-7.3 “Air Quality Standards
for Pneumatic Instruments”
Output
Flow Rate: 8.0 scfm @ 25 psi (Low)
16.2 scfm @ 90 psi (High)
Pressure: 0 to 45 psi (Low)
0 to 120 psi (High)
Actuator: Single Acting or
Double Acting
Optional position transmitter:
4-20 mA, two wire, Namur NE43
Normal Operation: 3.8≤ I ≤ 20.5 mA
Fail Condition: I≤3.6 or I≥21.0 mA
selectable by switch
Maximum voltage: 35VDC
Maximum load impedance: 1 KOhm
Performance
Resolution: ± 0.2% Full Travel
Linearity: ± 0.5% Full Scale (Rotary)
± 1.0% Full Scale (Linear)
Hysteresis: ± 0.2% Full Scale
Repeatability: ± 0.2% Full Scale
Operating Temp: -40C to 85C
(-40F to 167F)
LCD readable: -20C to 70C
(-40F to 158F)
Remote Hall sensor: -40C to 125C
(-40F to 257F)
Thermal Coefficient: ± 2% / 100C
Air Consumption: 0.03 scfm @ 25 psi
(Low)
0.08 scfm @ 90 psi
(High)
Stroke: 0.25 to 24 inches (Linear)
45 to 95 degrees (Rotary)
Position Feedback: Magnetic (Non-
Contact)
Diagnostics: HART Protocol, Software
Utilizing HART Protocol
Enclosure
Material: Engineered Resin,
Aluminum, Stainless Steel
IP Rating: IP 66
Weight: 3.3 Kg / 7.2 Pounds (resin,
standard flow manifold)
Air Connections: 1/4” NPT or 1/4”BSP
(STD Flow)
3/8”NPT or BSP
(High Flow)
Conduit Connection: 1/2” NPT
(Standard)
M20 (Optional)
EMC (Electromagnetic Compatibility)
IEC 61000-6-4: 2007 “Emission standard for
industrial environments”.
IEC 61000-6-2: 2005 “Immunity for
industrial environments”