Armoured Level Transmitter MPM416WK Series

Overview

The MPM416WK Submersible Level Transmitter is designed for accurate hydrostatic level measurement in various industrial applications, including chemical industries and city water treatment and management. This transmitter is built with robust materials and offers a range of features that ensure reliable performance even in challenging environments.

Features

• Separate Construction: The MPM416WK features a fully sealed stainless steel construction for the submersible sensor and an aluminum-alloy electric connection box. This design facilitates easy installation, wiring, and calibration.
• Protection and Installation: Includes stainless steel tube protection, flange installation, local display, and calibration capabilities.
• Explosion-Proof: Conforms to Exia Ⅱ CT6 standard (GB3836.4), with an explosion-proof certificate issued.
• Ship-Use Certification: Complies with CCS Rules of Classification of Sea-going Steel Ships (2006) and has a ship-use product certificate.
• CE Certified: Meets European compliance standards.

Introduction

The MPM416WK Submersible Level Transmitter uses high-performance piezoresistive pressure sensors as its sensing elements. It measures liquid static pressure accurately, proportional to the liquid depth, and converts it into a standard current/voltage output signal through an amplifier circuit board. This transmitter is characterized by high accuracy, compact size, and ease of operation, making it suitable for submersion in liquids to measure levels from the transmitter bottom to the liquid surface. It is widely used for liquid measurement and control in petroleum, chemical industries, power stations, city water supply and drainage, and hydrology.

Application Example

The MPM416WK can be installed in static water environments. Users need to prepare the flange and thread at the local installation site for proper setup.

Ordering Guide

When ordering the MPM416WK Armoured Level Transmitter, specify the range in meters of water (mH2O), armoured tube length, output signal, construction material, and any additional requirements.

Output Signal Codes:

• E: 4~20mADC
• F: 1~5VDC
• J: 0~5VDC
• Q: 0~10mADC
• U: 0~20mADC
• V: 0~10VDC

Construction Material Codes:

• Diaphragm: SS 316L
• Pressure Port: Stainless Steel
• Housing: Stainless Steel

Additional Features:

• M1: 0~100% hand pointer indicator
• i: Intrinsic safe version Exia Ⅱ CT6

Flange/Male Thread Codes:

• Stainless Steel Flange/Male:

• 1F1: DN50 flange

• 1M1: M42×1.5 male

• 1F2: DN10 flange

• 1M2: M30×1.5 male

• Carbon Steel Plating Zinc Flange/Male:

• 2F1: DN50 flange

• 2M1: M42×1.5 male

• 2F2: DN10 flange

• 2M2: M30×1.5 male

Example Order: MPM416WK [0~3mH2O]5 E 22 iC1.

Specifications

Pressure Range: 1, 2, 3, 4 meters of water (mH2O)

Overpressure: 1.5 times the full scale (FS)

Accuracy: Typical: ±0.25% FS, Maximum: ±0.5% FS

Stability Error:

• Typical: ±0.1% FS (pressure range > 10mH2O)
• Maximum: ±0.2% FS (pressure range > 10mH2O)
• Typical: ±10mmH2O (pressure range ≤ 10mH2O)
• Maximum: ±20mmH2O (pressure range ≤ 10mH2O)

Temperature Drift:

• Zero drift:

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

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

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

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

Power Supply: 15~28VDC (Intrinsic safe version supplied through a safe barrier)

Output Signal: 420mADC, 010/20mADC, 0/1~5/10VDC

Load (Ω): < (U-15)/0.02A for current output, > 5kΩ for voltage output

Material Contacting with Media:

• Housing: Stainless steel 1Cr18Ni9Ti
• O-ring: Viton
• Diaphragm: Stainless steel 316L
• Rubber casing: NBR
• Cable: 7.2mm PVC/Polyurethane cable with a vented tube

Operation Temperature: -30°C to 80°C

Storage Temperature: -40°C to 120°C

Protection: IP68 (sensor part), IP65 (wiring part)

Explosion-Proof Class: Exia Ⅱ CT6

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