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Fisher i2P-100 ElectroPneumatic Transducer

Fisher® i2P-100

Fisher® i2P-100 electro-pneumatic transducer uses a patented converter module that converts a milliampere input to a proportional pressure output. Both the current input and pressure output range are user-configurable in the field. The converter module uses small parts of minimum mass, which are balanced symmetrically around a pivot point at the center of the mass. This balanced arrangement results in a high performance instrument that reduces sensitivity to vibration. An integral pneumatic relay provides the high capacity necessary to drive pneumatic control valve/actuator assemblies without additional boosters or positioners. The transducer also provides stable, accurate operation when its output is transmitted to small volume chambers, such as a pneumatic positioner or other pneumatic instrument. Reduced sensitivity to vibration, combined with high capacity and first order lag characteristics, make the i2P-100 transducer suitable for direct mounting on control valve/actuator combinations.

  • Low Pneumatic Supply Consumption—The transducer has low pneumatic supply consumption which lowers operating costs.
  • Split Range—Selectable user field-configurable two-way split range, using either half of the standard input signal.
  • Tolerant of Dirty Supply Medium—Free-flow pilot stage design and large internal air passages provide excellent tolerance to dirty pneumatic supply, by reducing the effects of contaminant buildup and erosion. The removable primary orifice and replaceable 5 micron filter are easy to remove for service and maintenance.

Availability: In stock
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Specification

Fisher i2P-100 ElectroPneumatic Transducer

Input Signal:-

Available as standard with 4-20 mA.

User configurable by dip switch for split ranging, see table below.

Output Signal(1):-

Available as standard 0.2 to 1.0 bar (3 to 15 psig), 0.4 to 2.0 bar (6 to 30 psig), or 0.14 to 2.3 bar (2 to 33 psig).

User configurable by dip switch selection and zero and span potentiometer adjustment, see table below.

Input Signal Output Pressure
Bar psig
4-20 mA DC 0.2 to 1.0 3 to 15
0.4 to 2.0 6 to 30
0.14 to 2.3 2 to 33
4-12 mA DC 0.2 to 1.0 3 to 15
12-20 mA DC 0.2 to 1.0 3 to 15

Equivalent Circuit:-

The i2P-100 equivalent circuit is a series circuit consisting of a constant voltage drop (battery) of approximately 4 VDC and a total resistance of 40 ohms. Input is shunted by two 6.8 V zener diodes

Supply Pressure(1):-

Recommended: 0.3 bar (5 psi) higher than upper

range limit of output signal

Maximum: 3.4 bar (50 psig)

Medium: Air or Natural Gas

Maximum Output Air Capacity(3):-

8.0 m3/hr (300 scfh) at 1.4 bar (20 psig) supply pressure

Performance(4):-

Reference Accuracy:

±1.0% of full scale output span; includes combined effects of hysteresis, linearity, and deadband.

Independent Linearity:

±0.5% of full scale output span.

Hysteresis:

0.4% of full scale output span.<

Frequency Response:

Gain is attenuated 3 dB at 3 Hz with transducer output signal piped to a typical instrument input.

Temperature Effect:

±0.14% per degrees Celsius (±0.075% per degrees Fahrenheit) of span.

Supply Pressure Effect:

0.2% of full scale output span per psi supply pressure change.

Vibration Effect:

Less than 1% of full scale output span when tested to ISA S75.13.

Operating Ambient Temperature Limits(2):-

40 to 85C (-40 to 185F)

Electrical Seal:-

Single sealed device per ANSI/ISA 12.27.01

Electrical Classification:-

Hazardous Area:

CSA— Intrinsically Safe, Explosion-proof, Type n, Dust-Ignition proof

FM— Intrinsically Safe, Explosion-proof, Type n, Non-incendive, Dust-Ignition proof

ATEX— Intrinsically Safe, Flameproof, Type n

IECEx— Intrinsically Safe, Flameproof, Type n

Hazardous Area:

When Remotely Vented

CSA— Type 4X Encl

FM— NEMA 4X

ATEX— IP66

IECEx— IP66

No Remote Venting

CSA— Type 3 Encl.

FM— NEMA 3

ATEX— IP64

IECEx— IP64

Other Classifications/Certifications

GOST-R— Russian GOST.R

INMETRO— National Institute of Metrology, Quality, and Technology (Brazil)

KGS— Korea Gas Safety Corporation (South Korea)

NEPSI— National Supervision and Inspection Centre for Explosion Protection and Safety of Instrumentation (China)

RTN— Russian Rostekhnadzor

RTN— Russian Rostekhnadzor

Contact your Emerson Process Management sales office for classification/certification specific information

Connections

Supply and Output Pressure:

1/4 NPT internal connection

Vent:

1/4 NPT internal

Electrical:

Standard 1/2 NPT

Wire Size:

18 to 22 AWG

Connections

Zero and Span:

Trim potentiometers (20 turn) for zero and span adjustments are located under the housing cap.

Switch:

Allows input signal split range and user-configurable 0.14 to 2.3 bar output.<

Mounting Position

Actuator

pipestand or

surface

Approximate Weight (Transducer Only)

2.5 kg (5.5 lbs)

Resources

Technical Data-Sheet

Fisher i2P-100 ElectroPneumatic Transducer

Fisher_i2P_100_Electro_Pneumatic_Transducer.pdf

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Technical Data-Sheet

Fisher i2P-100 ElectroPneumatic Transducer

Fisher_i2P_100_Electro_Pneumatic_Transducer.pdf

download-icon

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