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Compact Explosion-Proof I/P Transducer
Explosion proof compact I/P transducer delivers reliable performance in hazardous areas. Internal electronic feedback system maintains accurate control of output pressure.
The compact explosion proof I/P transducer that delivers reliable high performance for the toughest applications in the most hazardous environments. It converts an electrical current signal to a stable pneumatic output to actuate valves. Its IP66 housing is designed for both Intrinsically Safe and Explosion-Proof operation. Advanced circuitry includes electronic feedback control for superior vibration protection and highly accurate output. With flow rates up to 12 SCFM (20m3/hr), the 950XP has the muscle to drive large valves and actuators. Because it takes impure air in stride, downtime is reduced, too.
Because of its flexibility, its small footprint can fit into tight spots. Its standard mounting bracket lets you mount it directly on a valve, wall, panel, or pipe. Optional field-selectable process output ranges reduce downtime and inventory. Since this transducer is position insensitive, it gives even more freedom in mounting and connecting to valves and instruments. As a result of the flexibility, installation goes faster. Easy access Zero and Span adjustments make bench or field calibration quick and easy. For operating versatility, direct, reverse, and split range modes can be chosen.
Specifications
Functional Specifications
| Input | 4-20 mA |
| Output | 3-15 psig 0.20-1.00 BAR 3-27 psig 0.20-1.80 BAR 6-30 psig 0.40-2.00 BAR |
| Air Consumption | 3.0 scfh (0.11 m3/hr) at mid range |
| Supply Pressure | 100 psig (7.0 BAR) maximum
Note: Supply pressure must be a minimum of 5 psig above maximum output |
| Flow Capacity | 4.5 SCFM (7.6 m3/hr) at 25 psig (1.7 BAR) supply 12 SCFM (20.0m3/hr) at 100 psig (7.0 BAR) supply |
| Temperature Limit | OPERATING: -40° to + 158°F (-40° to + 70°C) STORAGE: -40° to + 200°F (-40° to + 93°C) |
| Loop Load, I/P Transducer | 9.5 VDC @ 20 mA (500 Ohms resistance) |
| Impedance | 260 Ohms @ 70°F |
| Operating Modes | direct, reverse or split range |
Performance Specifications
| Accuracy, Hysteresis, and Repeatability |
± 0.10% of span |
| Deadband | 0.02% of span |
| Position Effect | No noticeable effect |
| Vibration Effect | Less than ±1.0% of span under the following conditions: 5-15 Hz @ 0.8 in., constant displacement; 15-500 Hz @ 10g’s |
| Supply Pressure Effect | No noticeable effect |
| Temperature Effect | ±0.045%/°F (0.07%/°C) of span |
| Reverse Polarity Effect | No damage from reversal of normal supply current (4-20 mA) or from misapplication of up to 60 mA |
| RFI-EMI Effect | Less than .5% of span change in output pressure per En61000-4-3: 1998, Amendment 1, Performance Criterion A |
Physical Specifications
| Port Sizes | Pneumatic 1/4″ NPT Electric 1/2″ NPT |
| Media | Clean, dry, oil-free, air filtered to 40 micron
Sweet natural gas or methane filtered to 40 micron when purchased with the (E) option. |
| Mounting | Direct wall, panel, or 2″ pipe (optional) |
| Materials | Housing: Chromate-treated aluminum with epoxy baked paint. NEMA 4X (IP66)
Elastomers: Buna-N Trim: Stainless steel; Brass; Zinc-plated steel |
| Weight | 1.8 lbs (.82kg) |
Applications
A compact I/P transducer delivers reliable high performance for the toughest applications in the most hazardous environments.
