Level Transmitter for Low Level MPM436W Series

Overview

The MPM436W Level Transmitter is a high-performance submersible sensor designed to measure liquid static pressure accurately. It transforms pressure signals into standard current/voltage outputs. This device is robust, compact, and suitable for direct submersion into liquids.

Features

• Fully Sealed Stainless Steel Structure: Provides IP68 protection for durability and longevity.
• Removable Top Cap: Prevents diaphragm damage and facilitates cleaning.
• Wide Measuring Range: Starting from 0.5mH2O, resistant to strong pressure shocks.
• High Performance Pressure Sensor: Ensures precise liquid level measurement.
• Compact Size and Easy Installation: Can be directly submerged into liquids for measurement.

Applications

• Petroleum Industry: Ideal for monitoring liquid levels in petroleum applications.
• Chemical Engineering: Suitable for harsh chemical environments.
• Power Plants: Reliable for usage in power generation facilities.
• Urban Water Supply and Drainage: Perfect for municipal water systems.
• Hydrological Exploration: Useful in environmental and water resource studies.

Specifications

Measuring Range

• Range: 0mH2O to 0.5mH2O / 2mH2O
• Overpressure: ≤10 times FS

Accuracy and Stability

• Accuracy: ±1%FS (0mH2O to 0.5mH2O), ±0.5%FS (0mH2O to 2mH2O)
• Long-term Stability: ±5mmH2O/year
• Thermal Drift: ≤ ±0.15%FS/10℃

Temperature

• Application Temperature:

• -20℃ to 70℃ (PE, PVC cable)

• -20℃ to 80℃ (PUR cable)

• Storage Temperature: -20℃ to 85℃

Protection and Weight

• Protection Rating: IP68
• Weight: ≤150g

Electrical Connection

• Output Signal: 4mA to 20mA DC (2-wire system)
• Power Supply: 15V to 28V DC
• Load Resistance: ≤(U-15)/0.02 (Ω)
• Wiring:

• Red: +V

• Black: 0V / +OUT

Materials

• Isolated Diaphragm: 96% Alumina ceramics
• Housing: SS 304 (Stainless Steel)
• Cable Options: PE, PUR, PVC

Ordering Guide

Measurement Range

• Specify the measurement range (e.g., 0mH2O to 2mH2O) and desired cable length (L).

Output Signal

• E (4mA to 20mA DC)

Junction Box Options

• No junction box
• Aluminum junction box (Yb)
• MS200 waterproof junction box (Yc)
• PD140 lightning-proof junction box (Yd)
• Junction box with or without display (Ye)

Display Indicator (for Ye junction box only)

• No display indicator
• M1 (0% to 100% linear indicator)
• M6 (4-digit LED digital indicator)
• M7 (4-digit LCD digital indicator)

Process Connection

• F1 (fixed flange)

Ordering Notes

1. Ye junction box with a display indicator is only available for 4mA to 20mA DC output products.

2. For transmitters with M6 or M7 indicators, ensure the power supply is ≥20V DC.

3. Environmental temperature considerations:

• M6 indicator: -20℃ to 70℃

• M7 indicator: -10℃ to 60℃

4. Default cable material is PE; specify if other materials are required.

5. Junction boxes have an IP65 protection rating.

6. Ensure the measured media is compatible with wetted materials. Specify the media density if not water.

7. In areas prone to thunderstorms, use a lightning protection device and ensure proper grounding.

8. Contact the manufacturer for a metrology verification certificate or other specific requirements.

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