Emerson PR6426/0R0-030 intrinsically safe (IS) eddy-current proximity probe

The Emerson PR6426/0R0-030 is a specialized intrinsically safe (IS) eddy-current proximity probe designed for hazardous environments where explosive gases or dust may be present. Here are its detailed specifications and applications:

Key Specifications

Parameter Details

Model PR6426/0R0-030

Type Intrinsically Safe (IS) Eddy-Current Sensor

Certifications ATEX, IECEx (Class I, II, III Div 1) for hazardous areas

Measurement Range 0 to 2 mm (calibration-dependent)

Output Signal -2 to -18V DC (linear to gap distance)

Power Supply -24V DC via IS barrier (e.g., Bently Nevada 3300/1900-IS)

Cable Length 9 meters (30 feet) with IS-rated cable

Temperature Range -40°C to +120°C (ambient); T4 rating (≤135°C surface temp)

Frequency Response 0 to 10 kHz

Target Material Ferrous metals (e.g., AISI 4140 steel)

Applications

Oil & gas (compressors, pumps in explosive atmospheres)

Petrochemical plants

Mining equipment (dust-prone environments)

Any Zone 1/21 or Div 1 hazardous area

Key Differences vs. Standard PR6426 Models

Feature PR6426/0R0-030 (IS) PR6426/000-030 (Standard)

Safety Rating ATEX/IECEx Certified Not for hazardous areas

Power Limits Requires IS barrier Direct connection to monitor

Cable IS-rated, shielded Standard shielded cable

Installation Strict Ex-compliance General industrial use