*mydirectindustry

MRB28

Product catalog summary

Features

High measuring accuracy with digital output options (HART or MODBUS protocols).
Pressure measurement range from -1 to 600 bar.
Compact and rugged design with wide media compatibility.
Low static and thermal errors, reverse polarity, and transient current protection.

Description

The MRB28 series is a silicon piezo-resistive pressure transmitter with an SS316L diaphragm, designed for harsh environments. It offers flexibility and reliability for various applications at competitive pricing. Available in pressure ranges from -1 to 0 bar and 0 to 600 bar, it provides a 4-20mA output signal. Standard precision is 0.5% FS, with optional 0.25% FS and 0.1% FS. Its robust construction is ideal for demanding long-term applications.

Applications

Research activities
Production machinery
Data logging
Machine tool control
Air conditioning
Agricultural equipment
Open cut mining
Hydrostatic level control
Hydraulic pumps
Compressed air line

Technical Specifications

Pressure media: Compatible with stainless steel fluids.
Pressure ranges: -1 to 0, 0 to 600 bar.
Pressure references: Vented Gauge, Absolute, Sealed Gauge.
Overpressure rating: 150% FS.
Supply voltage: 12 to 36 VDC.
Analogue output: 4-20mA.
Digital output: MODBUS (RS485 interface), HART protocol.
Precision: 0.5% FS (standard), 0.25% FS, 0.1% FS.
Long-term stability: <0.1% FS/year.
Compensated temperature range: 0 to 70°C.
Operating temperature range: -30 to +80°C.
Temperature coefficient of zero/span: 0.02% FS/°C.
Insulation resistance: 100MΩ @ 50VDC.
Process connection: G1/4 or others.
Electrical connection: DIN43650 and others.
Case materials: SS321.
Diaphragm materials: SS316L.
Protection level: IP68 with cable connection.
Sealing: Nitrile or fluoro-rubber sealing ring.

Ordering Information

Available ranges include [-1/0], [-1/+1], [-0.5/+1], and others up to 600 bar. Pressure references include VG (vented gauge), SG (sealed gauge), and Abs (absolute). Precision options are 0.5% FS, 0.25% FS, and 0.1% FS. Output signals include 4-20mA, MODBUS, and HART protocols. Pressure ports include G1/4, M20x1.5, NPT1/4, and others. Electrical connections include DIN 43650 connector and 3m cable options.

Note: Sensors with a range of up to 1 bar are available with an accuracy of 0.5% FS only. Specifications are subject to change without prior notice.

Catalog excerpts

MRB28 General Purpose Silicon Digital Pressure Transmitter Features High Measuring Accuracy Digital output (HART or MODBUS protocols) Pressure Measurement Range of -1 to 600bar Compact and Rugged Model Wide Range of Media Compatibility Low Static and Thermal Errors Reverse Polarity and Transient Current Protected Description MRB28 series with SS316L diaphragm is a rugged silicon Piezo-resistive technology based pressure transmitter suitable for harsh environments. This compact pressure transmitter offers great flexibility and reliability for a wide range of applications with highly competitive pricing. MRB28 is available in pressure ranges from -1 to 0bar and 0 to 600bar with an output signal of 4-20mA. It is suitable for pressure measurement of liquids compatible with stainless steel. While the standard Precision is 0.5% FS, you can optionally get a precision of 0.25% FS and 0.1% FS. The robust construction with its high performance makes it ideal for demanding long term applications. Applications Research activities Agricultural equipment Production machinery Data logging Hydrostatic level control Machine tool control Hydraulic pumps Technical Specifications Pressure media: all fluids compatible with Stainless Steel Compensated temp. range: 0 to 70°C Temp. coefficient of zero: 0.02% FS /°C Pressure references: Vented Gauge, Absolute, Sealed Gauge Temp. coefficient of span: 0.02% FS /°C Overpressure rating: 150% FS Supply voltage: 12 to 36 VDC Analogue output signal: 4-20mA Digital output signal: MODBUS protocol (RS485 interface), HART protocol Precision: 0. 5% FS (standard), 0.25% FS, 0.1% FS, combined LRH error Operating temp. range: -30 to +80°C Insulation resistance: 100MΩ @ 50VDC Process connection: G1/4 or others Electrical connection: DIN43650 and others Case materials: SS321 Diaphragm materials: SS316L Protection Level: IP68 with cable connection Sealing: Nitrile or fluoro-rubber sealing ring Long term stability: <0.1% FS/year MeasureX Pty Ltd U14, 42 Garden Boulevard, Melbourne VIC, 3172, Australia Tel: +61 3 9558 2420 email: [email protected] Website: www.MeasureX.com.au

Open the catalog to page 1

MRB28 General Purpose Silicon Digital Pressure Transmitter Dimensions MRB28 with M20x1.5 port and DIN connector MRB28 with M20x1.5 port and cable connection Connection Diagrams Electrical connection for RS485 interface Ordering Code MRB28 Range [-1/0]; [-1/+1]; [-0.5/+1]; 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100, 200, 400, 600 bar or other ranges in bar or psi Pressure Reference VG (vented gauge) SG (sealed gauge) Abs (absolute) Precision ± 0.5% FS 0.25% FS 0.1% FS Output Signal 4-20mA (2 wire loop-powered) MODBUS protocol (RS485 interface) HART protocol Pressure Port G1/4(¼" BSPP male) M20x1.5...

Open the catalog to page 2