RW65_EX_II Intrinsically Safe Ringbalance Differential Pressure Gauge

Overview

• Ex-zone, output and limit contact support

Specifications

Intrinsically safe

ATEX approved for gas and dust hazardous areas

Ex-zone suitability

Approved for zones 0, 1, 2, 20, 21 and 22

Local indication

Large 150 x 150 mm analogue dial for on-site reading

4–20 mA output

Passive transmitter output for remote signal transmission

Biogas applications

Suitable for gas accumulator and anaerobic digestion monitoring

Configuration options

Measuring range, scaling, housing and limit sensor options selected to suit the duty

Intrinsically safe Ringbalance gauge

Provides low draft, pressure and differential pressure measurement for hazardous-area applications.

ATEX gas and dust approval

Approved for gas zones 0, 1 and 2, and dust zones 20, 21 and 22 with II 1G and II 1D marking.

Local analogue indication

Large 150 x 150 mm dial supports direct pressure reading at the instrument.

Passive 4–20 mA output

Intrinsically safe transmitter output supports remote pressure monitoring through suitable Ex signal equipment.

Hazardous-area application focus

Suitable for applications such as biogas, anaerobic digestion and gas accumulator pressure monitoring.

Freely selectable range and scaling

Measuring range and scale can be selected to suit the required low-pressure duty.

Optional limit sensing

NAMUR inductive limit contacts can be specified where minimum or maximum switching functionality is required.

Overload protection option

DZ1 or DZ2 overload protection can be considered where excessive differential pressure may occur.

Hazardous-area review

Advice on whether the RW65_EX_II is suitable for the required gas or dust Ex-zone application

Range and scale selection

Support selecting the correct low-pressure measuring range and dial scaling

Limit contact options

Support reviewing NAMUR inductive limit contact requirements where min / max switching is needed

Overload protection

Advice on whether DZ1 or DZ2 overload protection should be considered where pressure spikes or pressure inversion may occur