1/4" NPT Differential Pressure Transmitter Of The Honeywell SmartLine Series STD800

1/4" NPT Differential Pressure Transmitter Of The Honeywell SmartLine Series STD800

Product description:

Precise and continuous measurement of fluids and gases for a variety of different applications – with Honeywell’s powerful differential pressure transmitter STD800. The pressure transmitters of the SmartLine family are based on high-precision, piezoresistive sensor technology. The multiple integrated sensors link process pressure measurement with static pressure (DP models) and temperature compensation measurement. With its modular, robust pressure transmitters, Honeywell’s SmartLine pressure measurement system is particularly suitable for use in complex process environments.

Specifications: 

Application Examples (English)

1. Flow Measurement

• Use Case: Installed across an orifice plate, venturi tube, or pitot tube.
• Function: Measures the differential pressure created by fluid flow restriction.
• Benefit: Provides accurate flow rate calculation for liquids, gases, and steam.

2. Level Measurement

• Use Case: Mounted on a pressurized or sealed tank with high- and low-pressure ports connected at different heights.
• Function: Calculates liquid level based on hydrostatic pressure difference.
• Benefit: Reliable level monitoring in storage tanks, reactors, and separators.

3. Filter & Strainer Monitoring

• Use Case: Connected across filters or strainers in pipelines.
• Function: Detects pressure drop caused by clogging.
• Benefit: Enables predictive maintenance and prevents process downtime.

4. Pump Protection

• Use Case: Measures suction and discharge pressure of pumps.
• Function: Monitors differential pressure to detect cavitation or abnormal operation.
• Benefit: Extends pump life and ensures safe operation.

5. Energy & Utility Systems

• Use Case: Applied in boiler drum level, steam flow, or chilled water systems.
• Function: Provides precise measurement for energy efficiency and process optimization.
• Benefit: Reduces energy losses and improves plant performance.

FAQ – Honeywell SmartLine™ STD800 Differential Pressure Transmitter

1. What is the Honeywell SmartLine STD800?

The STD800 is a high-performance differential pressure transmitter designed for precise measurement of flow, level, and pressure in industrial processes. It belongs to Honeywell’s SmartLine™ family, known for accuracy, stability, and modular design.

2. What is its measurement accuracy?

The STD800 offers accuracy up to ±0.025% of span, making it one of the most precise transmitters in its class.

3. How stable is it over time?

It provides long-term stability of ±0.01% of URL per year for up to 15 years, reducing recalibration needs.

4. What is the turndown ratio?

The transmitter supports a rangeability (turndown) of up to 400:1, allowing flexible application across wide measurement ranges.

5. What is the response time?

The STD800 has a fast response time of 90 ms, ensuring real-time process control.

6. Which communication protocols are supported?

It supports HART, Foundation Fieldbus, and Profibus protocols for seamless integration with control systems.

7. What display options are available?

The device features a multi-window LCD with a modular design, allowing operators to view process variables, diagnostics, and configuration data simultaneously.

8. What certifications does it have?

The STD800 complies with SIL 2/3 safety standards, as outlined in ANSI/ISA 12.27.0, and offers world-class overpressure protection.

9. What are typical applications?

• Flow measurement (with orifice plates, venturi tubes, pitot tubes)
• Tank level monitoring (pressurized or sealed tanks)
• Filter/strainer monitoring (detecting clogging)
• Pump protection (suction/discharge monitoring)
• Energy systems (steam, boiler drum, chilled water)

10. What is the warranty period?

Honeywell provides a 15-year warranty for the SmartLine STD800, one of the longest in the industry.