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The Masoneilan SVI1000 is a compact, reliable 4-20 mA digital valve positioner with HART protocol, designed for single-acting pneumatic control valves. Utilizing proven non-contact magnetic position sensing, it ensures accurate valve positioning in demanding industrial environments. With a rugged aluminum housing and integrated diagnostics, the SVI1000 minimizes downtime and enhances long-term performance, making it a cost-effective solution for precise control and maintenance.
Key Features
Robust non-contact shielded magnetic travel sensor for wear-free operation and high reliability.
Industrial metal housing with IP66/NEMA 4X protection against environmental hazards.
Integrated diagnostics including cycle counts, step tests, ramp tests, and system health indicators for predictive maintenance.
Intrinsically safe design with universal approvals (FM, ATEX, IEC, CE) for hazardous areas.
Low power consumption (9 VDC at 20 mA) and positive pressured housing with bug-resistant orifices for tropical compatibility.
Fungus-resistant per ASTM-G21 with anti-fungal coated circuits for extended service life.
Technical Specifications
Parameter
Details
Housing Material
Low copper chromated aluminum (ASTM A360)
Protection Rating
IP66 / NEMA 4X
Weight
2 kg (4.5 lb)
Input Power/Signal
3.2-24 mA; Compliance: 9 VDC at 20 mA, 11 VDC at 4 mA
Optional Outputs
Two solid-state switches (1A/30 VDC); 4-20 mA position retransmit
Electrical Connection
One 1/2 NPT female
Ambient Temperature
-40 to +85 °C (-40 to +185 °F)
Humidity
100% RH non-condensing
Communication
HART Protocol Rev 5/7
Approvals
FM, FMC, ATEX, IEC, CE
Applications
Petrochemical and refining processes requiring reliable positioning in corrosive environments.
Oil and gas facilities for accurate control of single-acting valves.
Power generation plants for steam and feedwater valve automation.
Chemical processing with hazardous areas needing intrinsically safe equipment.
General industrial valves where diagnostics help reduce unplanned shutdowns.
Frequently Asked Questions
What makes the SVI1000 reliable in harsh conditions? Its non-contact sensor and IP66 housing resist vibration, humidity, and external abuse.
How do diagnostics work? Built-in tests like cycle counts and step tests provide health indicators via HART or local interface.
Is it suitable for tropical environments? Yes, with fungus resistance (ASTM-G21) and anti-fungal coatings.
What if overpressure occurs? The design includes positive pressure and bug-resistant orifices to prevent damage.
How long is the service life? Wear-free sensor and rugged build ensure extended operation with minimal maintenance.