relative pressure transmitter / absolute / strain gauge / ceramic
TR, TA-22 series

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Characteristics

  • Pressure type:

    relative, absolute

  • Technology:

    ceramic, strain gauge

  • Mounting:

    flush diaphragm

  • Other characteristics:

    stainless steel, two-wire, explosion-proof, intrinsically safe

  • Process temperature:

    Min.: -20 °C (-4 °F)

    Max.: 100 °C (212 °F)

  • Pressure range:

    Min.: -1 bar (-14.5 psi)

    Max.: 50 bar (725.19 psi)

Description

Version : relative and absolute pressure
Range: from -1 to 50 bar
Process connection 1''BSPM, CLAMP or SMS
Technology : Thick enameled strain gauge on ceramic support
Output 2 wires - 4-20 mA
Global error: +/-0.2% FS
Setting Zero and span

features:
» Flush ceramic cell
» No retention area and no fluid filling
» 316L stainless steel head and housing (reinforced tightness)
» Terminal connection
» Axial or radial cable gland

Options:
» Intrinsic Safety
» Flush diaphragm
» Oygen cleaning
» Reinforced P. Max.
» Rangeability of 50 to 100% FS

Function

2 wires, 4/20mA output gauge pressure (TR) or absolute pressure transmitter (TA) with flush ceramic cell technology. Advantages : no retention area and no fluid filling.

Sensing elementFlush ceramic cell
Relative range (TR) -1 to 50 bar, 24 ranges available
Absolute range (TA)0 to 50 bar abs., 15 ranges available
Overpressure limit Refer table backside
Power supply 12 to 28 Vdc
Protection against reverse polarity.
Output signal 4/20 mA , 2 wires
Substituted values≈ 3.7 mA or ≈ 25 to 27 mA
In case of strain gauge breaking
Zero / span adjust.± 3 %
As option (See backside) rangeability of 50 to 100% of F.S.
Load R(Ω)=(Usupply-12V)/0.02A
Max global error ≤ 0.2% FS (at 25°C)
≤ 0.5% FS (at 25°C) see backside
Linearity*+ Hysteresis + Repeatability
*Best straight line with forced zero
Temperature drift ± 0.03%/°C FS
(Compensated T° between 0 and 50°C)
Housing 316L stainless steel
Process connection 316L stainless steel1» BSPM, CLAMP or SMS
Protection IP 66
Electrical connection On internal terminals and metallic cable gland ISO12 (Ø4-8mm)
Ambient T° -20 to 100°C
(135°C max for short period)

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Measurement