Submersible Level Transmitter MPM416WRK Series

Introduction

The Submersible Level Transmitter MPM416WRK Series is designed to deliver high accuracy and reliability for measuring liquid levels in various industrial applications. Using a high-performance piezoresistive pressure sensor, this transmitter accurately measures liquid static pressure, which is directly proportional to the liquid depth. It converts this pressure into standard current or voltage output signals through an amplifier circuit, making it ideal for use in petroleum, chemical industries, power stations, city water supply and drainage systems, and hydrology.

Features

• Separate Construction: The MPM416WRK features fully sealed stainless steel construction for the submersible/inserted sensor and an aluminum-alloy electric connection box, ensuring easy installation, wiring, and calibration.
• Full Welded Design: The transmitter is equipped with a stainless steel flexible tube armored for durability.
• Explosion-Proof: Conforms to Exia Ⅱ CT6 of Standard GB3836.4, with an issued Explosion-proof Certificate.
• Ship-Use Certification: Conforms to CCS Rules of Classification of Sea-going Steel Ships (2006), with an issued Ship-use Product Certificate.
• CE Certificate: Ensures compliance with European standards.

Load Characteristics

• 2-wire Output: 4mA~20mADC
• Power Supply: 15V~30VDC

Specifications

• Pressure Range: 1, 2, 5, 10, 20mH2O
• Overpressure: 1.5 times FS
• Accuracy: ±0.25% FS (typical), ±0.5% FS (maximum)
• Stability Error: Varies by pressure range:

• 10mH2O: ±0.1% FS (typical), ±0.2% FS (maximum)

• ≤10mH2O: ±10mmH2O (typical), ±20mmH2O (maximum)

• Temperature Drift:

• Zero drift and sensitivity drift vary by pressure range:

• 10mH2O: 0.005% FS/℃ (typical), 0.01% FS/℃ (maximum)

• ≤10mH2O: 0.01% FS/℃ (typical), 0.02% FS/℃ (maximum)

• ≤5mH2O: 0.015% FS/℃ (typical), 0.03% FS/℃ (maximum)

• ≤2mH2O: 0.025% FS/℃ (typical), 0.05% FS/℃ (maximum)

• Power Supply: 15~28VDC (Intrinsic safe version requires a safe barrier)
• Output Signal: 420mADC, 010/20mADC, 0/1~5/10VDC
• Load: < (U-15)/0.02A for both 2-wire and 3-wire outputs, >5k for voltage outputs
• Materials: Stainless steel 1Cr18Ni9Ti housing, Viton O-ring, stainless steel 316L diaphragm, NBR rubber casing, Φ7.2mm PVC/Polyurethane cable with vented tube.
• Temperature Range: Operation: -30℃ to 80℃, Storage: -40℃ to 120℃
• Protection Class: IP68 (sensor part), IP65 (wiring part)
• Ex-proof Class: Exia Ⅱ CT6

Applications

The MPM416WRK Submersible Level Transmitter is versatile and can be integrated into various systems for liquid measurement and control:

• System Integration: Connect with MSB9418 measure displayer for level measurement and control with upper and lower limit alarms, outputting RS232 or analog signals.
• Explosion-proof Systems: Use with safe barriers and measure displayers for measurement and control.
• Tank Level Measurement: Suitable for static level measurement in open tanks.
• Flow Water Measurement: Use with a steel tube with holes at different heights to measure flowing water.

Installation Instructions

• Ensure Media Compatibility: Verify that the media is compatible with the contacting materials.
• Cable Selection: Default is PVC cable unless specified otherwise; polyurethane cable is available for higher flexibility and wear resistance.
• Lightning Protection: Recommended in areas prone to thunderstorms.
• Handling Precautions: Do not pull the flexible steel tube during operation.

Order Guide

• Range: Specify the desired range in mH2O.
• Output Signal Options:

• E: 4~20mADC

• F: 1~5VDC

• J: 0~5VDC

• Q: 0~10mADC

• U: 0~20mADC

• V: 0~10VDC

• Construction Material:

• Diaphragm/Pressure port/Housing:

• 22: SS 316L/SS/SS
• 25: Tantalum/SS/SS
• Additional Codes:

• i: Intrinsic safe version (Exia Ⅱ CT6)

• F1: Fixed flange

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