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LMP 331I

Product catalog summary

Overview: The document provides technical specifications for the LMP 331i Precision Screw-in Transmitter by BD SENSORS GmbH. This device is designed for high-precision pressure measurement in industrial applications, featuring a stainless steel sensor and digital signal processing.

Specifications:

Accuracy: 0.1% FSO according to IEC 60770.
Nominal Pressure Range: 0 to 400 mbar up to 0 to 40 bar.
Output Signal: 2-wire (4-20 mA) and 3-wire (0-10 V), with other options available upon request.
Thermal Error: 0.2% FSO in the compensated range of -20 to 80°C.
Turn-Down Ratio: 1:10.
Communication Interface: Available for adjusting offset, span, and damping.

Optional Versions:

Intrinsically safe versions for gases and dusts (Ex ia).
Factory-provided adjustment of nominal pressure gauges.

Applications: The LMP 331i is suitable for use in the chemical/petrochemical industry and environmental engineering sectors, including water, sewage, and recycling.

Performance:

Accuracy: Maintained after turn-down, with specific calculations for ranges ≤ 0.40 bar.
Long-term Stability: ≤ ± (0.1 x turn-down) % FSO per year.
Response Time: Approximately 5 milliseconds.

Environmental and Mechanical Specifications:

Permissible Temperatures: Medium: -25 to 125°C; Electronics/Environment: -25 to 85°C; Storage: -40 to 100°C.
Vibration and Shock Resistance: Vibration: 10 g RMS; Shock: 100 g / 11 msec.
Explosion Protection: Certified for use in hazardous areas (ATEX and IECEx approvals).

Materials: The pressure port, housing, and diaphragm are made of stainless steel, with FKM seals as standard.

Electrical Connections: Various options including ISO 4400, Binder series, and M12x1 connectors, with specific configurations for 2-wire and 3-wire systems.

Additional Information: The document includes wiring diagrams, pin configurations, and details on ordering codes for different configurations and accessories.

Catalog excerpts

LMP 331i Precision Screw-in transmitter Stainless Steel Sensor accuracy according to IEC 60770: 0.1 % FSO Nominal pressure The precision screw-in transmitter LMP 331i demonstrate the further development of our industrial pressure transmitters. The signal processing of sensor signal is done by digital electronics with 16-bit analog digital converter. Consequently it is possible to conduct an active compensation and the transmitters with excellent maesurements and exeptionally attractive price to offer on the market. Output signal 2-wire: 4 ... 20 mA 3-wire: 0 … 10 V others on request Product characteristics ► thermal error in compensated range -20 ... 80 °C: 0.2 % FSO TC 0.02 % FSO / 10K communication interface for adjusting of offset, span and damping Optional versions Preferred areas of use are ► IS-versions Ex ia = intrinsically safe for gases and dusts Chemical / petrochemical industry Environmental Engineering (water / sewage / recycling) adjustment of nominal pressure gauges (factory-provided) BD SENSORS GmbH BD-Sensors-Straße 1 D - 95199 Thierstein www.bdsensors.com info@b

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Technical Data LMP 331iPrecision Screw-in Transmitter Pressure ranges LMP 331 i 1

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Technical Data Wiring diagrams 2-wire-system (current) Pin configuration Electrical connections 7 may not be transmitted directly with the PC (the suitable adapter is available as accessory) Electrical connections (dimensions in mm / inch) standard optional Kompakt-Feldgehause (IP 67) C> universal-Fieldhousing stainless steel 316L with cable gland M20x1,5 (ordering code 880) and other versions on request 8 different cable types and lengths available, permissible temperature depends on kind of cable 9 standard: 2 m PVC cable (without ventilation tube, permissible temperature: -5 ... 70 °C) Mechanical...

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1 standard: 2 m PVC cable without ventilation tube (permissible temperature: -5 ... 70 °C), optionally cable with ventilation tube 2 cable with ventilation tube (code TR0 = PVC cable), different cable types and lengths available, price without cable 3 RS-232 interface only possible with el. connection Binder serie 723 (7pin) Software, Interface and cable for LMP 331i with option RS-232 have to be order separately (Ordering code: CIS-G; Software appropriate for Windows® 95, 98, 2000, NT Version 4.0 or newer and XP) Windows® is a registrated trademark of Microsoft Corporation © 2016 BD\SENSORS...

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