Aplisens Smart Differential Pressure Transmitter APR-2000ALW Series

Introduction – Aplisens Smart Differential Pressure Transmitter APR-2000ALW Series

The Aplisens Smart Differential Pressure Transmitter APR-2000ALW Series is a high-performance industrial instrument designed for precise differential pressure measurement in gases, vapours, and liquids. It features a piezoresistive silicon sensor isolated by stainless steel diaphragms and manometric fluid, ensuring outstanding accuracy and long-term stability even under severe process conditions.

This transmitter combines 4–20 mA output with HART 5 or HART 7 communication protocols, allowing full configuration, diagnostics, and calibration through local keys or remote HART communicators. The robust aluminium or stainless steel housing with IP66/IP67 protection and a backlit rotatable display ensures durability and user convenience in industrial environments.

With accuracy up to ±0.075% (and optional ±0.05%, ±0.04%, or ±0.025%), the APR-2000ALW delivers superior metrological performance for both standard and high-pressure applications. Its static pressure limit of up to 1000 bar, combined with rangeability up to 25:1, makes it suitable for a wide range of process applications.

Certified to SIL2/SIL3 for functional safety and approved under ATEX, IECEx, FM, CSA(FM), INMETRO, UKEX, and KCS Korea, this series is ideal for critical operations across oil & gas, chemical, power, and marine industries. Available from Dubai Sensor, it is a trusted solution across the UAE and MENA regions for high-reliability process control.

Key Features & Benefits

• 4…20 mA output signal with HART 5 / HART 7 protocol
  
• Optional 0…20 mA or 0…5 mA + HART 5 version
  
• Accuracy up to ±0.075% (optional ±0.05%, ±0.04%, or ±0.025%)
  
• Static pressure limit up to 1000 bar
  
• Rangeability up to 25:1
  
• Functional Safety (SIL2/SIL3) compliance
  
• Explosion-proof and intrinsically safe certifications (ATEX, IECEx, FM, CSA(FM), INMETRO, UKEX, KCS)
  
• Marine approval DNV, BV
  
• Programmable zero, span, damping, and characteristic
  
• Rotatable display (0–340°) with backlight for easy readability
  
• Wetted parts available in 316L, Hastelloy C276, Tantalum, or Gold plated
  
• HS version for ultra-stable performance (up to 10 years)
  
• IP66/IP67 protection housing (Aluminium or Stainless Steel 316)
  
• Optional NACE MR-01-75 compliance for corrosive media
  

Technical Specifications – Aplisens Smart Differential Pressure Transmitter APR-2000ALW Series

Standards & Certifications

• ATEX, IECEx, FM, CSA(FM), INMETRO, UKEX, KCS Korea
  
• SIL2 / SIL3 functional safety certification (PN-EN 61508 / 61511 / 62061)
  
• Marine certification: DNV, BV
  
• PED Category I (C-type process connection)
  
• NACE MR-01-75 corrosion resistance option
  
• Ingress protection: IP66 / IP67
  

Applications & Industries

• Differential pressure measurement in gases, vapours, and liquids
  
• Chemical and petrochemical plants
  
• Oil & gas pipelines and refineries
  
• Power generation and steam systems
  
• Marine and shipbuilding systems (DNV/BV)
  
• Sugar and food industries (with diaphragm seal versions)
  
• Suitable for UAE and MENA industrial process control environments
  

Installation, Commissioning & Maintenance

• Can be mounted directly on a 3- or 5-valve manifold or on 2" pipe brackets (Aplisens mounting kit).
  
• Configurable via local keypad or HART communicator / Raport 2 software.
  
• Supports calibration, range setup, zero/span adjustment, and damping control.
  
• Ensure the medium does not freeze in impulse lines or process connections.
  
• Minimal maintenance due to high stability and robust construction.
  
• Available accessories include stainless steel mounting brackets and adapters for differential pressure installations.
  

Why Choose Aplisens Smart Differential Pressure Transmitter APR-2000ALW Series

The APR-2000ALW Series stands out for its exceptional precision, robust build, and adaptability across multiple industrial sectors. Its certified safety compliance (SIL2/SIL3) and high static pressure capability up to 1000 bar make it one of the most dependable transmitters in its class.

With its configurable HART communication, flexible installation options, and superior material selections, it ensures long-term accuracy and reliability. Available through Dubai Sensor, this series provides trusted performance and support for process automation applications throughout the UAE and MENA regions.

Ordering Guide

1. Select model: APR-2000ALW (standard) or APR-2000ALW/Safety (SIL-certified).
   
2. Choose housing: Aluminium or Stainless Steel 316.
   
3. Define process connection type: C, CH, GP, PN, or 1/2”NPTM.
   
4. Specify wetted part materials: 316L, Hastelloy C276, Tantalum, or Gold plated.
   
5. Select measuring range: from −7…7 mbar to 0…70 bar.
   
6. Add options: Marine certification, NACE, IP67, or diaphragm seal if required.
   
7. Confirm communication version: HART 5 or HART 7.
   

For all supply, installation, and configuration requirements, the Aplisens Smart Differential Pressure Transmitter APR-2000ALW Series is available through Dubai Sensor, the official distributor in the region.

FAQ – Aplisens Smart Differential Pressure Transmitter APR-2000ALW Series

Q1: What is the main function of the Aplisens APR-2000ALW Series?
A: It measures differential pressure in gases, vapours, and liquids, converting the signal into a standard 4–20 mA output with HART 5 or HART 7 communication for precise process monitoring and control.

Q2: What is the accuracy of the APR-2000ALW transmitter?
A: The standard accuracy is ±0.075%, with optional high-precision versions available at ±0.05%, ±0.04%, or ±0.025% of the calibrated range.

Q3: What are the available process connection types?
A: Available process connections include C (1/4" NPT F) for manifold mounting, CH (rotated 90°), GP (G1/2" M), PN (1/4" NPT F), and 1/2" NPT M, with materials such as 316L, Hastelloy C276, Tantalum, or Gold plated diaphragms.

Q4: What is the static pressure limit of this transmitter?
A: The APR-2000ALW can withstand a static pressure limit up to 1000 bar, depending on the process connection and configuration.

Q5: Which communication protocols does the transmitter support?
A: It supports HART 5 and HART 7 protocols for configuration, diagnostics, and calibration through HART communicators or Aplisens Raport 2 software.

Q6: What certifications does the APR-2000ALW Series hold?
A: It is certified for ATEX, IECEx, FM, CSA(FM), INMETRO, UKEX, KCS Korea, and SIL2/SIL3 functional safety. Marine certifications include DNV and BV.

Q7: What materials are available for wetted parts?
A: Wetted parts can be made from 316L stainless steel, Hastelloy C276, Tantalum, or Gold plated surfaces to suit different process media and corrosion levels.

Q8: What is the ambient and medium temperature range?
A: The ambient temperature range is −25…+85°C (depending on the Ex version), and the medium temperature range is −25…+120°C.

Q9: Is this transmitter suitable for safety-critical applications?
A: Yes. The APR-2000ALW/Safety version is SIL2/SIL3 certified, making it suitable for safety instrumented systems (SIS) in hazardous environments.

Q10: Can it be used in marine or offshore applications?
A: Yes, it holds DNV and BV marine certifications, making it suitable for shipbuilding and offshore installations.

Q11: What is the long-term stability of the transmitter?
A: The standard model maintains its accuracy for 3 years, or 5 years with extended limits; the HS version offers up to 10 years of stability.

Q12: Who distributes Aplisens transmitters in the UAE and MENA regions?
A: Dubai Sensor is the official distributor providing the Aplisens Smart Differential Pressure Transmitter APR-2000ALW Series and full technical support across the UAE and MENA markets.