• Output Range: 3-30 psig, 0.2-2 bar, 20-200 kPa
  • Extended Output Range: 0-120 psig, 0-8 ba, 0-800 kPa
  • Supply Pressure: 20-120 psig, 1.5-8 bar, 150-800 kPa
  • Extended Supply Pressure: 35-150 psig, 2.4-10 bar, 240-1000 kPa
  • Conduit Fitting: 1/2" NPT
  • Underwriting Group: Canadian Standards, ATEX, Factory Mutual
  • Temperature Range: -40°F to +160°F, -40°C to +71.2°C
  • Input: 4-20 mA
  • Port Size: 1/4"
  • Port Thread: NPT, BSPT (Tapered)
  • Options:
    • Tapped Exhaust
    • Natural Gas Media Approval, Group D gases (includes Nipple; TCXI TEXI TFXI only)
    • Alternate Cable Lengths
  • Materials of Construction:
    • Body & Housing: Chromate Treated Aluminum
    • Trim: Zinc Plated Steel, Stainless Steel
    • Orifice:
      • Aluminum, Sapphire
      • Nickel Plated Brass, Sapphire (for Extended Range)
    • Elastomers: Nitrile
    • Finish: Epoxy Powder Coating
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.
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Selected Configuration

Model #:

TAXI7800-401E

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Configuration

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Agency Approvals

  • ATEX
  • CE
  • CSA
  • FM

Tests & Certificates

  • Natural Gas Media Approval, Group D Gases

Environmental Protection

  • Explosion-Proof
  • Intrinsically Safe
  • IP66
  • NEMA 4X

Supply Pressure

  • For Output Range 0 to 30 psig (0 to 2 bar, 0 to 200 kPa): 35 to 150 psig (2.4 to 10 bar, 240 to 1,000 kPa) to Extended
  • For Output Range 0 to 60 psig: 65 to 150 psig (4.6 to 10 bar, 460 to 1,000 kPa) to Extended
  • For Output Range 0 to 120 psig: 125 to 150 psig (8.8 to 10 bar, 880 to 1,000 kPa) to Extended
  • For Output Range 3 to 27 psig (0.2 to 1.8 bar, 20 to 180 kPa), 32 to 120 psig (2.2 to 8 bar, 220 to 800 kPa)
  • For Output Range psig: 3 to 15: psig: 20 to 120 (bar: 1.5 to 8, kPa: 150 to 800)
  • For Output Range psig: 6 to 30: psig: 35 to 120 (bar: 2.4 to 8, kPa: 240 to 800)

Supply Pressure Effect

  • Less than 0.1 psig (0.7 kPa, 0.007 bar) change for 10 psig (0.7 kPa, 0.007 bar) supply change - for extended range
  • No measurable effect

Output Pressure

  • psig: 0 to 120
  • psig: 0 to 30
  • psig: 0 to 60
  • psig: 3 to 15
  • psig: 3 to 27
  • psig: 6 to 30

Operating Temperature

  • -40° to 71° C (-40° to 160° F)

Storage Temperature

  • -40° to 82° C (-40° to 180° F)

Temperature Effect

  • +0.5% to +0.06% / ° F temperature change of span typical for extended range

Hysteresis

  • ≤0.1% Full Scale
  • ≤0.25% Full Scale to For Extended Range

Deadband, Approximate

  • ≤0.02% Full Scale

Accuracy

  • 0.15% Full Scale Typical ISA S51.1
  • 0.25% Full Scale Guaranteed ISA S51.1

Repeatability

  • ≤0.1% Full Scale
  • ≤0.1% Full Scale for Extended Range

Span - Minimum

  • For Output Range 0 to 30 psig: 12.5 psig (0.85 bar, 85 kPa) to Extended Range
  • For Output Range 0 to 60 psig: 25 psig (1.5 bar, 50 kPa) to Extended Range
  • For Output Range 0 to 120 psig: 50 psig (3 bar, 300 kPa) to Extended Range
  • For Output Range psig: 3 to 15 - psig: 5 (bar: 0.35, kPa: 35)
  • For Output Range psig: 3 to 27 - psig: 10 (bar: 0.7, kPa: 70)
  • For Output Range psig: 6 to 30 - psig: 10 (bar: 0.7, kPa: 70)

Exhaust Capacity - Relieving Units Only

  • 2 SCFM (3.4 m³/Hour)

Vibration Effect

  • <1% of span under the following conditions: 5 to 15 Hz at 0.8" constant displacement 15 to 500 Hz at 10g's - Extended

RFI/EMI Effect

  • <0.5% of Span at 30 V/m class 3 Band ABC (20-1,000 mHz) per SAMA PMC 33.1 1978 and <0.5% of Span at 10 V/m level, to 2 GHz Band per EN 61,000-4-3:1998 +A1 EMC Directive 89/336/EEC European Norms EN 61326

Process Connection - Threaded

  • 1/4" Female NPT
  • 1/4" Female BSPT

Relief

  • Relieving

Vent

  • Straight
  • Tapped Exhaust

Supply Voltage

  • 3-wire voltage input: 7.2-30 Vdc, Less than 3 mA

Input

  • 4-20 mA
  • mA DC: 4-20

Cable Length

  • 100 feet (30 meters)
  • 19.69 feet (6 meters)
  • 50 feet (15.2 meters)

Signal Impedance

  • 3-wire Voltage Input: 10 Kilohms

Operating Voltages

  • 2-wire Current Input: 7.2 Vdc at 20 mA (4-20 mA Signal)
  • 7.2 Vdc at 20 mA (4-20 mA signal)

Frequency

  • -3 db at 2 Hz per ISA S26.4.3.1 Load Configuration A - Extended Range
  • -3 db at 5 Hz per ISA S26.4.3.1 Load Configuration

Electrical Connectors

  • 1/2" NPT

Reverse Polarity Protection

  • No damage occurs from reversal of normal Supply current (4-20 mA) or from misapplication of up to 60 mA

Flow Rate

  • 11 SCFM (18.7 m³/Hour) at psig: 150 (bar: 10, kPa: 1,000) Supply and midscale Output - Extended Range
  • 2.5 SCFM (4.25 m³/Hour) at psig: 25 (bar: 1.7, kPa: 170) Supply and psig: 9 (bar: 0.6, kPa: 60) Output
  • 9 SCFM (15.3 m³/Hour) at psig: 120 (bar: 8, kPa: 800) Supply and psig: 9 (bar: 0.6, kPa: 60) Output

Air Consumption

  • Maximum: Set Point 0 psig: 0.5 SCFH (0.01 m³/hr) - For 0 to 120 psig Extended Range
  • Maximum: Set Point 0 psig: 1.6 SCFH (0.04 m³/hr) - For 0 to 60 psig Extended Range
  • Maximum: Set Point 0 psig: 3.1 SCFH (0.09 m³/hr) - For 0 to 30 psig Extended Range
  • Maximum: Set Point 3 psig: 3.5 SCFH (0.10 m³/hr)
  • Maximum: Set Point 9 psig: 7.0 SCFH (0.20 m³/hr)
  • Maximum: Set Point 15 psig: 4.7 SCFH (0.13 m³/hr) - For 0 to 60 psig Extended Range
  • Maximum: Set Point 15 psig: 7.8 SCFH (0.22 m³/hr) - For 0 to 30 psig Extended Range
  • Maximum: Set Point 15 psig: 9.5 SCFH (0.27 m³/hr)
  • Maximum: Set Point 30 psig: 3.8 SCFH (0.11 m³/hr) - For 0 to 120 psig Extended Range
  • Maximum: Set Point 30 psig: 7.8 SCFH (0.22 m³/hr) - For 0 to 60 psig Extended Range
  • Maximum: Set Point 30 psig: 11.8 SCFH (0.33 m³/hr) - For 0 to 30 psig Extended Range
  • Maximum: Set Point 30 psig: 13.5 SCFH (0.38 m³/hr)
  • Maximum: Set Point 60 : 7.6 SCFM (0.21 m³/hr) - For 0 to 120 psig Extended Range
  • Maximum: Set Point 60 psig: 13.3 SCFH (0.37 m³/hr) - For 0 to 60 psig Extended Range
  • Maximum: Set Point 120 psig: 15.1 SCFM (0.42 m³/hr) - For 0 to 120 psig Extended Range

Enclosure/Body Material

  • Chromate Treated Aluminum

Enclosure Finish

  • Epoxy Powder Coating

Orifice Material

  • Brass
  • Sapphire

Trim Material

  • Brass
  • Stainless Steel
  • Zinc-Plated Steel

Elastomers

  • Nitrile

Position Effect

  • 0.125% at 90° and 0.25% at 180° - For Extended Range