LCD Display Submersible Hydrostatic Level Transmitter PT124B-221 Series

Introduction – LCD Display Submersible Hydrostatic Level Transmitter PT124B-221 Series

The PT124B-221 Series LCD Display Submersible Hydrostatic Level Transmitter is a high-accuracy and high-stability instrument developed with digital circuit compensation technology for precise liquid level measurement. Designed for long-term reliability, it converts hydrostatic pressure signals into standard electrical outputs for real-time monitoring and control. The built-in LCD display provides clear local readings, enabling operators to quickly assess liquid levels on site.

Constructed with a stainless-steel probe (SS304 or SS316L) and a flameproof aluminum housing, the PT124B-221 Series ensures dependable performance even in harsh industrial and outdoor environments. Its IP68-rated submersible design protects internal components from moisture and dust, while vented waterproof cables and sand-proof caps safeguard the sensor diaphragm against contaminants.

Engineered for versatility, the transmitter offers multiple industrial-standard signal outputs—including 4–20 mA, 0–5 V, 0–10 V, and RS485—making it compatible with PLCs, control systems, and data acquisition equipment. Quick flange or threaded installation (M33×2) supports integration in new or existing setups.

Ideal for use in water treatment, chemical processing, environmental protection, and petroleum applications, the PT124B-221 Series delivers accurate, stable, and responsive liquid level monitoring. Available through Dubai Sensor, it provides a reliable solution for industries across the UAE and MENA region seeking precision measurement and long-term durability.

Key Features & Benefits

• High accuracy options: 0.1 %FS / 0.25 %FS / 0.5 %FS / 1 %FS
  
• Digital circuit compensation ensures excellent stability and minimal temperature drift
  
• Integrated LCD display for direct, on-site level indication
  
• Multiple outputs: 4–20 mA, 0–5 V, 0–10 V, RS485
  
• Moist-proof, frost-proof, and leak-resistant design
  
• IP68 submersible protection (probe) and IP67 housing for harsh environments
  
• Flameproof aluminum housing and stainless-steel probe for durability
  
• Fast response time (< 3 ms) for real-time control systems
  
• Simple flange or threaded mounting options
  
• Long-term stability ±0.2 %FS/year
  
  

Technical Specifications – LCD Display Submersible Hydrostatic Level Transmitter PT124B-221 Series

Standards & Certifications

• Ingress Protection: IP68 (probe), IP67 (electrical housing)
  
• Explosion-Proof Design: Flameproof aluminum enclosure
  
• Industrial Compliance: Designed for continuous operation in demanding process control environments
  
• Quality Assurance: Manufactured under strict calibration and test procedures
  

Applications & Industries

• Water & Wastewater Treatment: Sedimentation tanks, reservoirs, clarifiers, and sewage pits
  
• Chemical & Petrochemical: Reactors, buffer tanks, and storage vessels
  
• Food & Pharmaceutical: Fermentation and raw material tanks
  
• Environmental Monitoring: Industrial and domestic wastewater discharge systems
  
• Power Industry: Boiler drum and cooling tower level control
  
• Oil & Gas: Oil storage tanks and transport pipeline buffers
  
• Agriculture & Water Conservancy: River, lake, and reservoir level monitoring
  
• Urban Infrastructure: Water supply and drainage networks
  

Installation, Commissioning & Maintenance

Installation is straightforward via M33×2 threaded or DN50 flange connection. The probe should be fully submerged at the measurement point, and the vented cable must remain unobstructed to ensure accurate pressure equalization. The LCD display simplifies calibration and field adjustment.
Routine maintenance involves inspecting cable integrity, checking sensor cleanliness, and verifying electrical connections. The device’s rugged build and corrosion-resistant materials minimize maintenance frequency, ensuring years of reliable service.

Why Choose LCD Display Submersible Hydrostatic Level Transmitter PT124B-221 Series

The PT124B-221 Series stands out for its measurement precision, rugged construction, and adaptability to a wide range of industrial and environmental conditions. Its IP68-rated submersible probe ensures continuous operation even under extreme water exposure, while its digital compensation circuitry maintains signal stability and accuracy across temperature variations.

For engineers and procurement specialists seeking long-term reliability and flexible integration, this model provides superior value. Available from Dubai Sensor, the PT124B-221 Series offers a dependable solution tailored to industrial applications throughout the UAE and MENA region, combining advanced design with proven performance.

Ordering Guide

Model Format:
PT124B-221 – [Range] – [Output] – [Cable Length] – [Options]

Example:
PT124B-221 – 20 mH₂O – 4/20 mA – 25 m Cable

For official procurement and technical consultation, contact Dubai Sensor, the authorized distributor for the PT124B-221 Series in the UAE and MENA region.

FAQ – LCD Display Submersible Hydrostatic Level Transmitter PT124B-221 Series

Q1: What is the measurement range of the PT124B-221 Series transmitter?
A1: The PT124B-221 Series can measure liquid levels from 0…1 mH₂O up to 0…50 mH₂O, equivalent to approximately 0.1 bar to 5 bar, covering most industrial and water management applications.

Q2: What output signals are available for this transmitter?
A2: It supports multiple industry-standard outputs including 4–20 mA (2-wire), 0–5 V / 0–10 V (3-wire), and RS485, ensuring compatibility with various control systems and PLCs.

Q3: Can the transmitter be used in corrosive or outdoor environments?
A3: Yes. The probe is made of SS304 or SS316L stainless steel, and the housing is constructed from flameproof aluminum alloy. The unit features IP68 protection (probe) and IP67 (housing), making it suitable for harsh and outdoor environments.

Q4: Does the PT124B-221 Series include a local display?
A4: Yes. It comes with a built-in LCD display, allowing direct on-site liquid level monitoring without additional instruments.

Q5: How is the transmitter installed?
A5: Installation can be done using either an M33×2 threaded interface or a DN50 flange. The submersible probe should be fully immersed in the measured liquid, with the vented cable positioned to avoid blockage.

Q6: What industries commonly use the PT124B-221 Series?
A6: It is widely used in water treatment, chemical and petrochemical, food and pharmaceutical, oil and gas, power generation, environmental monitoring, and agriculture & water conservancy applications.

Q7: What is the response time of this transmitter?
A7: The response time is less than 3 milliseconds, enabling real-time level measurement for precise process control.

Q8: What is the power supply requirement?
A8: The transmitter operates on 12–36 V DC, with 24 V DC as the typical supply voltage for most installations.

Q9: How often does the transmitter require calibration or maintenance?
A9: Due to its digital circuit compensation and high stability (±0.2%FS/year), it requires minimal maintenance. Periodic inspections of the cable, probe, and display are recommended for optimal performance.

Q10: Is the PT124B-221 Series available through Dubai Sensor?
A10: Yes. Dubai Sensor is the authorized distributor for the PT124B-221 Series across the UAE and MENA region, providing full technical support and reliable supply.