T950XP Explosion-Proof I/P Transducer

Type 950XP Explosion-Proof I/P Transducer

Process reliable and field rugged

Now there's a compact I/P transducer that delivers reliable high performance for the toughest applications in the most hazardous environments: the Type 950XP from ControlAir. The Type 950XP converts an electrical current signal to a stable, pneumatic output to actuate valves. Its NEMA 4X (IP65) 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 (340 Nl/min), the Type 950XP has the muscle to drive large valves and actuators. Yet because it typically consumes only 0.05 scfm (0.11 m3/hr) at mid range, it not only costs less to buy, it costs less to operate as well. And because it takes impure air in stride, downtime is reduced, too.

The Type 950XP gives you big 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. And since the Type 950XP is position insensitive, it gives you even more freedom in mounting and connecting to valves and instruments. As a result of this flexibility, installation goes faster. Easy access Zero and Span adjustments make bench or field calibration quick and easy. For operating versatility, you may choose direct, reverse, and split range modes.


Functional Specifications

Input 4-20 mA

3-15 psig 0.20-1.00 bar
3-27 psig 0.20-1.80 bar
6-30 psig 0.40-2.00 bar
0-33 psig 0-2.2 bar

Air Consumption 3.0 scfh (1.5 Nl/min)) 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 (127 Nl/min) at 25 psig
(1.7 bar) supply
12 scfm (340 Nl/min) 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

Hysteresis, and
± 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

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)

Housing: Chromate-treated aluminum with epoxy baked paint. NEMA 4X (IP65)

Elastomers: Buna-N

Trim: Stainless steel; Brass; Zinc-plated steel

Weight 1.8 lbs (0.82kg)

Ordering Information

T950 order chart