MRH21

MRH21

MRH21

Product catalog summary
Features
  • Frequency response up to 1MHz
  • High measuring accuracy
  • Pressure measurement range from -1 to 1000bar
  • Low static and thermal errors
  • Compact and rugged design
  • Wide media compatibility
Description

The MRH21 series is a rugged pressure transmitter based on MEMS technology, featuring an embedded amplifier circuit. It is designed for dynamic measurements and offers flexibility and reliability across various applications at competitive pricing. Available in pressure ranges from 0.1 to 1000bar, it provides voltage output and is compatible with gases and liquids that are suitable for stainless steel. Standard precision is 0.5% FS, with an optional precision of 0.25% FS. Its robust construction makes it ideal for demanding long-term applications.

Applications
  • Production machinery
  • Oil and gas industry
  • Machine tool control
  • Research
  • Aerospace and military industries
  • Open cut mining
  • Data logging
  • Hydraulic equipment
Technical Specifications
  • Pressure media: Compatible with stainless steel SS321
  • Pressure ranges: 0.1 to 1000bar
  • Pressure references: Gauge, Sealed Gauge, Absolute
  • Overpressure rating: 200% FS
  • Supply voltage: 12 to 32 VDC
  • Output signals: 0/5V, 0/10V, 1/5V
  • Precision: 0.5% FS (standard), 0.25% FS
  • Long term stability: <0.2% FS/year
  • Protection level: IP65 with DIN connection; IP67 and IP68 (optional) with cable connection
  • Dynamic frequency response: 1MHz max.
  • Compensated temperature range: 0 to 70°C
  • Operating temperature range: -10 to +80°C
  • Temperature coefficient of zero/span: 0.03% FS/°C
  • Insulation resistance: 100MΩ @ 50VDC
  • Process connection: M20x1.5 or others
  • Electrical connection: DIN43650 and others
  • Case materials: SS321
  • Diaphragm materials: Silicon
  • Sealing: Epoxy adhesive sealing
Ordering Information

The MRH21 can be ordered with various pressure ranges, pressure references, precision levels, output signals, pressure ports, and electrical connections. Note that sensors with a range higher than 200bar are only available with 0.5% FS accuracy, and a ¼” pressure port is not available. IP68 cable is available for sealed gauge reference.

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Catalog excerpts

MRH21-1

MRH21 High Frequency Pressure Transmitter Features Frequency Response up to 1MHz High Measuring Accuracy Pressure Measurement of -1 to 1000bar Low Static and Thermal Errors Compact and Rugged Model Wide Range of Media Compatibility Description MRH21 series with embedded amplifier circuit is a rugged MEMS technology based pressure transmitter suitable for dynamic measurements. This compact pressure transmitter offers great flexibility and reliability for a wide range of applications at highly competitive pricing. MRH21 is available in pressure ranges from 0.1 to 1000bar with voltage output. It is suitable for pressure measurement of gases & liquids compatible with stainless steel. While the standard Precision is 0.5% FS, you can optionally get a precision of 0.25% FS. The robust construction of MRH21 with its high performance makes it ideal for demanding long term applications. Applications Production machinery Aerospace and military industries Machine tool control Data logging Hydraulic equipment Technical Specifications Pressure media: all fluids compatible with stainless steel SS321 Dynamic frequency response: 1MHz max. Operating temp. range: - 10 to +80°C Pressure references: Gauge, Sealed Gauge, Absolute Temp. coefficient of zero: 0.03% FS /°C Overpressure rating: 200% FS Supply voltage: 12 to 32 VDC Output signals: 0/5V, 0/10V, 1/5V Precision: 0.5% FS (standard), 0.25% FS, combined LRH error Compensated temp. range: 0 to 70°C Temp. coefficient of span: 0.03% FS /°C Insulation resistance: 100MΩ @ 50VDC Process connection: M20x1.5 or others Electrical connection: DIN43650 and others Case materials: SS321 Long term stability: <0.2% FS/year Diaphragm materials: Silicon Protection Level: IP65 with DIN connection; IP67 and IP68 (option) with cable connection Sealing: Epoxy adhesive sealing 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
MRH21-2

MRH21 High Frequency Pressure Transmitter Dimensions MRH21 with M20x1.5 port and DIN connector Connection Diagrams Ordering Code MRH21 Range 0.1, 0.2, 0.5, 1, 2, 5,10, 20, 50, 100, 200, 400, 600, 800, 1000 bar or other ranges in bar or psi Pressure Reference SG (sealed gauge) (1) Precision ± Output Signal 0/5V volts and other voltage outputs (2) Pressure Port M20x1.5 M12x1 1/2"NPT G1/2(½" BSPP male) and others Electrical Connection DIN 43650 connector (3) 3m Cable 3m IP68 Cable and others MRH21 Notes: (1): Sensors with range of higher than 200bar are available in only accuracy of 0.5% FS. (2):...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.