Hot Sale 100% Original Rosemount 4088 Analytical Multivariable Transmitter

• Customization: Available
• Place of Origin: Singapore
• Brand Name: Rosemount
• Model NO.: Rosemount 4088
• Model Number: 4088
• Warranty: 12 Months
• Customized Support: OEM, ODM, Obm
• Rangedown: up to 100:1
• Measurement Range: up to 2000 Psi (138 Bar) Differential, up to 6092
• Process Temperature: -148 to 850 °F (-100 to 454 °C )
• Process Wetted Material: 316L Sst, Alloy C-276
• Communication Protocol: 4-20 Ma Hart, 1-5 V Low Power Hart
• Wireless Update Rate: 1 Sec. to 60 Min., User Selectable
• Power Module Life: up to 10-Year Life, Field Replaceable (Order Separ
• Measurement Variables: Pressure (Mbar to 1000+ Bar), Temperature (-200°C
• Sensor Compatibility: Capacitive/Piezoresistive (Pressure), Rtd/Thermoco
• Protection Rating: IP66/IP67 (NEMA 4/4X)
• Transport Package: Original and New
• Specification: 30X30X30 cm
• Trademark: Rosemount
• Origin: Singapore
• HS Code: 9026201090
• Production Capacity: 1000 Piece/Year
• Package Size: 30.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 10.000kg

Product Description

Product Description

Rosemount 4088 Multivariable Transmitter

The Rosemount 4088 Multivariable Transmitter, a flagship product from Emerson Process Management, represents a paradigm shift in industrial process measurement. Unlike traditional single-variable transmitters that focus solely on pressure, temperature, or flow, the 4088 integrates multiple measurement capabilities into a single, compact device. This innovation not only streamlines industrial operations but also enhances data accuracy, reduces installation complexity, and lowers overall operational costs.
Emerson, a pioneer in automation and process control solutions, engineered the 4088 series to address the evolving needs of modern industries. From oil and gas exploration to chemical processing, power generation, and pharmaceutical manufacturing, the transmitter delivers reliable, real-time measurements of key process variables—typically differential pressure (DP), static pressure (SP), and process temperature (T). By combining these three critical measurements in one unit, the Rosemount 4088 eliminates the need for multiple standalone devices, simplifies wiring and calibration, and provides a holistic view of process conditions.
What sets the 4088 apart is its ability to handle harsh industrial environments while maintaining exceptional performance. Whether deployed in high-pressure pipelines, corrosive chemical reactors, or temperature-fluctuating power plant systems, the transmitter's robust design and advanced sensor technology ensure consistent, accurate data. This makes it a preferred choice for engineers and plant operators seeking to optimize process efficiency, ensure safety compliance, and minimize downtime.

1. Working Principle of Rosemount 4088 Multivariable Measurement

To fully appreciate the capabilities of the Rosemount 4088, it is essential to understand the underlying principles that enable its multivariable measurement functionality. The transmitter leverages three core sensing technologies to capture differential pressure, static pressure, and temperature—each tailored to deliver precise, reliable data.
1.1 Differential Pressure (DP) Measurement
Differential pressure is the difference in pressure between two points in a process system, a critical variable for calculating flow rates, level, and filter clogging status. The Rosemount 4088 uses a capacitive sensor to measure DP, a technology renowned for its accuracy and stability.
The capacitive sensor consists of two isolated diaphragms—one exposed to the high-pressure (HP) side of the process and the other to the low-pressure (LP) side. These diaphragms are mounted on a rigid sensor body and separated by a sealed chamber filled with a stable, incompressible fill fluid (typically a silicone-based oil). When pressure is applied to the diaphragms, they deflect proportionally to the pressure difference. This deflection changes the capacitance between the diaphragms and a fixed electrode plate within the sensor.
The transmitter's electronics convert this capacitance change into an electrical signal, which is then processed and calibrated to provide an accurate DP measurement. 
1.2 Static Pressure (SP) Measurement
Static pressure refers to the absolute pressure of the process fluid at a given point, a key variable for monitoring system integrity, optimizing equipment performance, and ensuring safety. The Rosemount 4088 measures SP using a piezoresistive sensor, a technology that leverages the change in electrical resistance of a material when subjected to mechanical stress.
The piezoresistive sensor is integrated into the same sensor body as the DP sensor, eliminating the need for a separate SP measurement device. It consists of a thin, flexible diaphragm bonded to a substrate with a network of piezoresistive elements (typically made of silicon). When static pressure is applied to the diaphragm, it bends, causing the piezoresistive elements to stretch or compress. This mechanical stress changes their electrical resistance, which is detected by a Wheatstone bridge circuit within the sensor.

2. Key Features and Specifications of Rosemount 4088

The Rosemount 4088 Multivariable Transmitter is packed with features that enhance its performance, reliability, and ease of use. From high accuracy and wide operating ranges to advanced communication capabilities and robust construction, these features make the 4088 a versatile solution for diverse industrial applications. Below are the key features and technical specifications that set it apart from other multivariable transmitters in the market.
2.1 High Measurement Accuracy
Accuracy is a critical requirement for industrial process measurement, and the Rosemount 4088 excels in this regard. The transmitter delivers exceptional accuracy across all three measured variables:
Static Pressure (SP): For SP, the transmitter provides an accuracy of ±0.1% of FS for ranges from 0.1 mbar to 10,000 psi. This accuracy is maintained over a wide temperature range, thanks to advanced temperature compensation algorithms.
Temperature (T): The RTD-based temperature measurement offers an accuracy of ±0.1°C (±0.18°F) over the range of -200°C to 850°C. This level of accuracy is essential for applications such as chemical reactions, where small temperature variations can impact product quality.
2.2 Wide Operating Range
The Rosemount 4088 is designed to handle the extreme conditions often encountered in industrial environments. Its wide operating ranges for pressure, temperature, and ambient conditions make it suitable for use in diverse applications:
Pressure Range: The DP range can be configured from as low as 0.5 inH2O (0.125 kPa) to as high as 10,000 psi (68,948 kPa), while the SP range spans from vacuum (0.1 mbar) to 10,000 psi (68,948 kPa). 
Temperature Range: The process temperature range is -200°C to 850°C (-328°F to 1562°F), and the ambient temperature range for the transmitter electronics is -40°C to 85°C (-40°F to 185°F). 
Pressure Temperature Compensation: The transmitter automatically compensates for changes in ambient temperature and process pressure, ensuring that measurement accuracy is maintained even when conditions fluctuate. This is particularly important for applications such as oil and gas production, where wellhead temperatures and pressures can vary significantly.

Specification

Measurement capability	Differential pressure (up to 2000 psi/138 bar), static pressure (up to 6092 psi/420 bar), process temperature
Accuracy	±0.075%
Stability	±0.125%
Range ratio	100:1
Communication protocol	Modbus™, BSAP/MVS
Process liquid collection material	316L stainless steel, alloy C-276
Ambient operating temperature	-40°C to 85°C
Diagnostics	Basic Diagnostics

Company Profile

KeRui (Weifang) Automation Equipment Co. Ltd. Has maintained a cooperatve relationship with Rosemount for 15 years, and our purchase quantity has reached 20,000 units.

We supplied the tuning fork level gauge to the Rosemount factory and have been well received by the Beijing factory. We have cooperated with Yokowaga and maintained a cooperative relationship for 8 years, and our purchase quality has reached 7000 units.

The companies we have cooperated with:

1. Awarded "Outstanding Supplier by Yanchang Petroleum in 2008

2. In December 2012, our company was awarded the "Excellent Equipment Service Award" for the expansion project of units 6 and 7 of the Guangdong Guohua Yuedaishan Power Plant

3. Awarded "Outstanding Supplier by Yaxing Group in 2013

4.200 transmitters for Haihua Group's ethylene debottlenecking transformation project in 2015.

5. In 2018, we were rewarded as a National Nuclear Power Instrumentation Industry Measurement and Testing Alliance member.

6.160 transmitters and 20 electric autuators for the Shandong Laigang Yongfeng Steel expansion project in 2019

7.In 2022, Jinneng Chemical (Qingdao) Co., Led/ Jinneng 2x450,000 tons/ year high-performance polypropylene project (newly built) equipped 460 transmitters from our company.

8. In 2022, Shandong Qinghe Chemical Technology Co., Ltd.s hydrogen peroxide method epoxy propane device and supporting hydrogen peroxide device expansion project used 253 pressure transmitters.

9.In 2022, the Wanhua Chemical HTN project NPG installed 320 transmitters and 50 sets of valve positioners.

Certifications

Our Service

OEM / ODM services
To meet the user diversified requirement, Holykell have established a set of customer service and technical support system with OEM / ODM order as the center, and responded and Handle the customer's requirements in a timely manner to ensure accurate delivery time and product quality.
Order services
Fastest reply:Professional sales engineers 7/24 online services
Payment terms:T/T ,Western union, Paypal, Credit Card, L/C others
Fast delivery: within 24 hours release the cargo (normal spec.), Customized 7-12 days after payment .
 
MAINTENANCE & AFTER-SALES SERVICES
Customer Feedback:  Sales engineers and technical engineers will be one-on-one service for you to exclude all obstacles when use our sensors.
Warranty period: 12 months
Product life-long maintenance: Holykell can provide you with the maintenance of the whole life of the sensors

Packaging & Shipping

FAQ

Q1: How long will it take you to give me the reply?

A: We will reply to you as soon as we see the information

Q2: What is the delivery time?

A: Our delivery time is within 3- 7 days after we get your payment; for large qty mass orders, the time should be confirmed again for you

Q3: How about your package? 

A: Do not worry about the package. We have a lot of experience in packing, and all our packages are wooden case packages.

Q4: How about the payment terms?

A: You can choose T/T.

Q5: Do you provide samples? 

A: Yes, we have materials in stock to help you get the samples as soon as we can.

Q6: What is the MOQ?

A:1PC.

Q7: Can I get a lower price if I order large quantities? 

A: Yes, cheaper prices with larger orders.

Q8: Why choose us?

We have a perfect customization, not only to provide you with quality products, but also to have a professional customer service team available at any time to provide you with support. We pay more attention to establishing a long-term cooperative relationship with you to achieve continuous business growth.

Q9: How can we guarantee quality?

We have strict requirements on the quality of our products, and we will conduct a final inspection of our products when we ship them.