2-wire transmitter isolator / current isolator

Model : PR 3186

Brand: PR Electronics

  • 1 or 2 channel loop powered isolator for 2-wire transmitters
  • Isolation and 1:1 conversion of standard current signals
  • Only 6.1mm width
  • Excellent accuracy, better than 0.05% of span
  • Low channel voltage drop
  • 2.5kVAC galvanic isolation and High load stability
  • Fast response time less than 5ms
  • Low cost

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Catalogue
Specifications
Function

Repeater, Signal Isolator

Brand

PR Electronics

Number of Inputs

1, 2

Input Type

DC Current, Transmitter

Number of Outputs

1, 2

Output Type

DC Current

Programming

No

Accuracy

< ±0.05% of span

Certification

ATEX, Zone2, CCC, DNV, EAC, FM, Zone2 – DIV2, IECEx, Zone2, UL 61010

Power Supply

Input loop-powered

Isolation Voltage

2.5 kVAC

Operating Temperature

-25 to +70°C

Temperature Coefficient

< ±0.01% of span /°C

Protection Degree

IP 20

Dimension

113x 6.1×115 mm

Weight

70g

Other product features
Weight

70 g

Dimensions

175 × 150 × 15 mm

Application

  • 3186A is a 1:1 output loop-powered 2-wire transmitter isolator that excites and measures passive input signals.
  • 3186B is a 1:1 output loop-powered 2-wire current isolator that measures active input signals.
  • A very competitive choice in terms of price and technology for galvanic isolation.
  • Provides surge suppression and protects control systems from transients and noise.
  • 3186 eliminates ground loops and can be used for measuring floating signals.
  • The device can be mounted in the Safe area or in Zone 2 and Cl. 1 Div 2. area.

Technical characteristics

  • 3186 is powered by the host loop voltage.
  • Wide supply range from 6…35 V.
  • Low input to output voltage drop typ. 2.5 V (3186A).
  • Low input drop ≤ 3 V (3186B), even when no loop power is applied to the output terminals.
  • Excellent conversion accuracy, better than 0.05% in the 3.8…20.5 mA range.
  • The signal range is 3.5…23 mA which means that 3186 is NAMUR NE43 compliant.
  • Inputs and outputs are floating and galvanically separated.
  • High galvanic isolation of 2.5 kVAC.
  • Fast response time < 5 ms.
  • Excellent signal/noise ratio > 60 dB.

Mounting / installation

  • DIN rail mounting with up to 330 channels per meter.
  • Extended operating temperature range from -25…+70°C.

Source: PR3186 Official Page

Product Documents:

Certifications:

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