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PK200 Current-to-Pneumatic Converter
Brand: Yokogawa Electric CorporationThe Model PK200 Current-to-Pneumatic Converter is used mostly to actuate diaphragm operated valves, air cylinder operated valves, power cylinders or other terminal elements.
Beside these, it is used as a simple signal converter in hybrid instrumentation comprising electronic and pneumatic instruments.
Features- High Accuracy and High Reliability
- High Air Delivery, Low Air Consumption
- Minimum Effects from Process Environments
- Electronic Feedback Control
Specifications
Accuracy
- ± 0.5 % of Span
Air Consumption
- 0.24 Nm³/hour at psi: 20 (kPa: 140, bar: 1.4) Air Supply Pressure
- Maximum
Air Flow Capacity
- 6.6 Nm³/hour at psi: 20 (kPa: 140, bar: 1.4) Air Supply Pressure - Output Air Capacity
- Maximum
Air Supply
- psi: 20 (kPa: 140, bar: 1.4) - Standard Output
- psi: 34 (kPa: 240, bar: 2.4) - Doubled Output
- psig: 0 to 30 (kPa: 0 to 200, bar: 0 to 2) - Standard Output
- psig: 0 to 60 (kPa: 0 to 400, bar: 0 to 4) - Doubled Output
Ambient Temperature Range
- -40° to 60° C (-40° to 140° F)
Approvals & Certifications
- CE
- CSA - Intrinsically Safe
- EMC - EN 61326-1 Class A, Table 2 for use in Industrial Locations
- FM - Explosion-proof
- TIIS - Flameproof & Intrinsically Safe
BSP Connection
- 1/4” BSPT Female
Electrical Connectors
- 1/2” NPT Female
- 3/4” NPT Female
- G 1/2” Female
- G 3/4” Female
Enclosure Finish
- Deep Sea Moss Green (Munsell 0.6 GY3.1/2.0) - Housing & Cover Material
- Epoxy Resin-Baked Coating
- Finished with Polyurethane Paint - Housing & Cover Material
Enclosure, Body Material
- Stainless Steel JIS SUS304 - Pressure Gauge Case
Environmental Protection
- IP54
- IP66
- NEMA 4X
Flow Capacity
- 20 to 3,000 cm³ - Output Load Capacity
Humidity
- 5 to 100 % Relative Humidity
Hysteresis
- 0.2 % of Span
Input Signal
- 10-50 mA
- 4-20 mA
Length
- 3.28 to 16.4 feet (1 to 5 m) - Output Piping Length
Linearity
- ± 0.2 % of Span
Mounting
- 2” (50.8 mm) Pipe
- Surface
NPT Connection
- 1/4” NPT Female
O-Ring Material
- NBR JIS B2401-0977 1 Class A
Operating Temperature
- -20° to 60° C (-4° to 140° F) - TIIS Flameproof Typical & TIIS Intrinsically Safe Typical
- -40° to 60° C (-40° to 140° F) - FM Explosion-proof Typical & CSA Explosion-proof Typical
- -40° to 80° C (-40° to 176° F) - General Use
Operating Voltages
- 5.2-6 V at (4-20 mA Except/JS3)
- 5.35-6.75 V at (10-50 mA)
- 8.2-9 V at (4-20 mA for/JS3)
Output
- psi: 3 to 15 (kPa: 20 to 100, bar: 0.2 to 1) for Output Signal - Standard Output
- psi: 6 to 30 (kPa: 40 to 200, bar: 0.4 to 2) for Output Signal - Doubled Output
Position Effect
- 10°, ± 0.2 % of Span
- 90°, ± 0.4 % of Span
Pressure Range
- psig: 0 to 30 (kPa: 0 to 200, bar: 0 to 2) - Standard Output
- psig: 0 to 60 (kPa: 0 to 400, bar: 0 to 4) - Doubled Output
Pressure Type
- Gauge
Repeatability
- 0.1 % of Span
Reverse Polarity Protection
- No Damage Occurs from Reversal of Normal Supply Current (4-20 mA) or from misapplication of up to 62 mA
Screw Material
- Stainless Steel
Span Effect
- Approximately 100 to 125 % of Span (up to 90 % of Supply Pressure)
Stability
- 0.1 % of Full Scale/Hour - Short Term
- 0.2 % of Full Scale/Month - Long Term
Storage Temperature
- -40° to 80° C (-40° to 176° F)
Supply Pressure Effect
- ± 0.1 % for psi: 1.45 (kPa: 10, bar: 0.1)
Vibration Effect
- ± 0.5 % of Span (Zero Shift), (Conditions: 5 to 200 Hz at 2 G, Steady State)
Zero Offset
- Approximately ± 10 % of Span - Zero Adjustment
