Product Overview
The F9300AJ measures gauge and absolute pressure with high accuracy using advanced piezoresistive sensor technology. This transmitter delivers stable readings for pressure monitoring in various industrial processes. Plants depend on this instrument for reliable pressure data in critical control and safety applications. The F9300AJ features digital temperature compensation to maintain precision across wide ambient variations.
Key Specifications
| Parameter | Specification |
|---|---|
| Model | F9300AJ |
| Measurement Type | Gauge pressure / Absolute pressure |
| Sensor Technology | Piezoresistive (silicon) |
| Pressure Range | 0–100 kPa to 0–50 MPa (user selectable) |
| Overpressure Limit | 2× full scale (max) |
| Accuracy | ±0.25% of full span |
| Long-term Stability | ±0.2% per year |
| Response Time | 200 ms (adjustable) |
| Output Signal | 4–20 mA DC with HART protocol |
| Power Supply | 12–45 V DC (24 V DC nominal) |
| Load Resistance | ≤750 Ω (at 24 V DC) |
| Process Connection | 1/2 NPT female |
| Wetted Parts Material | 316L stainless steel |
| Diaphragm Material | 316L stainless steel |
| Fill Fluid | Silicone oil |
| Operating Temperature | -20°C to +80°C |
| Storage Temperature | -40°C to +85°C |
| Ambient Temperature Effect | ±0.04% per 10°C |
| Enclosure Rating | IP66 / NEMA 4X |
| Electrical Connection | 1/2 NPT female or M20 × 1.5 |
| Housing Material | Aluminum alloy (standard) |
| Display | LCD (optional) |
| Weight | 2.8 kg |
| Dimensions | 140 mm × 105 mm × 120 mm |
Pressure Measurement and Sensor Technology
The F9300AJ utilizes a piezoresistive silicon sensor for accurate pressure-to-electrical signal conversion. This transmitter covers a wide pressure range from 0–100 kPa up to 0–50 MPa. Users can select the appropriate calibration range during configuration to match process requirements. The sensor delivers an accuracy of ±0.25% of full span under standard conditions. Long-term stability remains within ±0.2% per year for consistent performance over time.
Overpressure Protection and Durability
This pressure transmitter withstands overpressure up to twice its full scale without sustaining damage. The F9300AJ handles pressure spikes effectively due to its robust sensor construction. Such high overload capability ensures reliable operation during process upsets and transient events. The transmitter maintains measurement integrity even after repeated overpressure incidents. Consequently, plants benefit from reduced instrument replacement costs and increased uptime.
Output Signal and Communication
The F9300AJ provides a standard 4–20 mA analog output with superimposed HART digital communication. This two-wire loop-powered transmitter operates from a 12 to 45 V DC power supply. At 24 V DC, the device drives a load resistance of up to 750 Ω. Operators can configure parameters and perform diagnostics through the HART interface. The transmitter also supports remote zero and span adjustments for convenient field configuration.
Process Connections and Wetted Materials
Standard process connections feature 1/2 NPT female threads for universal compatibility. The F9300AJ wetted parts utilize 316L stainless steel for excellent corrosion resistance. The diaphragm material matches the wetted parts construction for consistent fluid compatibility. The transmitter uses silicone oil as the standard fill fluid for reliable pressure transmission. Alternate fill fluids are available for oxygen service and special applications.
Environmental Tolerance and Enclosure Design
The F9300AJ operates reliably across process temperatures from -20°C to 80°C. Ambient temperature variations produce only ±0.04% effect per 10°C on measurement accuracy. The aluminum housing carries an IP66 and NEMA 4X rating for ingress protection. This rugged enclosure makes the transmitter suitable for outdoor installations and harsh environments. Storage temperatures from -40°C to 85°C do not affect instrument integrity.
Display and Interface Options
The F9300AJ offers an optional local LCD display for direct process reading at the installation site. This display shows pressure values in user-selectable engineering units. The display also indicates diagnostic messages and configuration parameters when required. Operators can navigate the menu using external magnetic switches without opening the housing. Consequently, field personnel can perform adjustments safely in hazardous areas.
Physical Dimensions and Weight
The transmitter housing measures 140 mm in height, 105 mm in width, and 120 mm in depth. The F9300AJ weighs 2.8 kg without mounting bracket options. The electrical connection accommodates 1/2 NPT or M20 × 1.5 cable glands. Installers can mount the device directly onto pipe stands, wall brackets, or manifold assemblies.
Application Suitability
The F9300AJ suits pressure monitoring in chemical, oil and gas, and water treatment industries. This transmitter excels in applications requiring reliable gauge or absolute pressure readings. Its wide pressure range accommodates various process conditions, from low vacuum to high pressure. The device handles liquids, gases, and steam across diverse industrial processes. The F9300AJ also integrates with distributed control systems and PLC platforms.
Installation and Maintenance Guidance
Mount the F9300AJ vertically or horizontally with the process connection facing downward. Connect the impulse piping to the pressure port using appropriate fittings and sealant. Wire the two-wire loop to the terminal block, observing correct polarity. Configure zero and span values using the HART communicator or configuration software. Perform routine zero checks to verify measurement integrity periodically. The transmitter requires minimal maintenance due to its solid-state sensor design.
Details
| Weight | 2.8 kg |
|---|---|
| Dimensions | 140 × 105 × 120 mm |
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