Basic Info.
Type
Normal Pressure Transmitter
Pressure range
0–25 Mbar to 0–400 Bar
Product Name
Siemens 7mf0300 Sitrans P Pressure Transmitter
Differential Pressure
0–25 Mbar to 0–400 Bar
Output Siqnals
4~20 Ma + Hart 7 Protocol
Power Supply
4–20 Ma Hart®, 2-Wire
Environmental Rating
IP66/68 (NEMA 4X)
Temperature Range
-40°c to +150°c
Materials
316L Stainless Steel
Loop Resistance
≤ 1, 200 Ω (Hart®)
Power Consumption
≤ 22 Ma
Measuring Range
0–5 M to 0–50 M
Response Time
< 100 Ms (90% of Final Value)
Long-Term Stability
< ±0.15% of Url Per 10 Years
Sensor Technology
Hydrostatic Pressure with Ceramic Diaphragm
Transport Package
Air/Land/Sea Transportation
Specification
35cm*30cm*30cm*
Product Description
Product Parameters
| Category | Specifications & Details |
|---|
| 1. Product Overview | Model: Siemens 7MF0300 Type: Compact Pressure Transmitter Series: SITRANS P Application: Industrial process pressure measurement for liquids, gases, and vapors. |
| 2. Technical Specifications | |
| Measurement Range | - Absolute Pressure (AP): 0-25 mbar to 0-400 bar - Gauge Pressure (GP): 0-25 mbar to 0-400 bar - Vacuum: -1 to 0 bar (adjustable) |
| Accuracy | - Standard: ±0.25% of span - High Precision: ±0.1% of span (optional) - Long-term stability: ±0.15% of URL/year |
| Output Signal | - Analog: 4-20 mA HART®, 2-wire - Digital: PROFIBUS PA/Foundation Fieldbus (FF) - Wireless: Integrated Bluetooth (optional) |
| Power Supply | - Voltage: 10.5-45 V DC (4-20 mA) - Loop Resistance: ≤ 1,200 Ω (HART®) - Power |
Product Description
Siemens 7MF0300 SITRANS P Pressure Transmitter: Comprehensive Technical Reference and Functional Description
1. Product Overview
The Siemens 7MF0300 SITRANS P Pressure Transmitter is a state-of-the-art device engineered for precision pressure measurement across diverse industrial applications. As part of the globally recognized SITRANS P series, this transmitter combines robust construction, advanced sensor technology, and seamless integration capabilities to deliver reliable performance in demanding environments such as oil and gas, chemical processing, water treatment, and pharmaceuticals. Its modular design and compliance with international certifications make it a versatile solution for both hazardous and non-hazardous zones.
2. Technical Specifications
2.1 Measurement Capabilities
Pressure Ranges:
Absolute Pressure (AP): 0-25 mbar to 0-400 bar.
Gauge Pressure (GP): 0-25 mbar to 0-400 bar.
Vacuum Range: -1 to 0 bar (adjustable for vacuum applications).
Accuracy:
Standard accuracy of ±0.25% of span over the entire temperature range.
Optional high-precision version achieves ±0.1% of span for critical processes.
Long-term stability of ±0.15% of URL (Upper Range Limit) per year, minimizing drift and recalibration needs.
Response Time: Adjustable from ≤90 ms for dynamic processes to 1.5 s for noise suppression in turbulent media.
2.2 Electrical and Communication Specifications
Output Signals:
Analog: 4-20 mA with HART® 7 protocol for bidirectional communication.
Digital: Supports PROFIBUS PA (IEC 61158-2) and Foundation Fieldbus (FF) protocols.
Wireless: Optional Bluetooth 5.0 integration for remote configuration via Siemens SITRANS Asset Sentinel app.
Power Supply:
Voltage Range: 10.5-45 V DC (compatible with loop-powered systems).
Power Consumption: ≤22 mA, optimized for energy-efficient operations.
2.3 Mechanical and Environmental Design
Process Connections:
Materials: 316L stainless steel, Hastelloy C276, or tantalum for corrosive media.
Port Sizes: 1/4" NPT, 1/2" NPT, G1/2, or flange-mounted options (DIN 11851/EN 1092-1).
Seals: Kalrez (high-temperature), PTFE (chemical resistance).
Environmental Resilience:
Temperature Limits:
Process medium: -40°C to +150°C (extended to +400°C with optional cooling elements).
Ambient conditions: -40°C to +85°C.
Protection Class: IP66/68 (NEMA 4X) against dust and water ingress.
Vibration Resistance: 5 g (10-150 Hz) for stability in high-vibration environments (e.g., compressors, turbines).
2.4 Certifications and Compliance
Functional Safety: SIL 2/3 certification (IEC 61508) for safety-critical systems.
Hazardous Area Approvals: ATEX, IECEx, FM, and CSA certifications for Zone 0/1/2 (gas) and Zone 20/21/22 (dust).
Industry Standards: NAMUR NE 21, 3-A Sanitary (for food/pharma), and PED 2014/68/EU (pressure equipment directive).
3. Core Functional Features
3.1 Advanced Sensor Technology
Single-Crystal Silicon Sensor:
Utilizes monocrystalline silicon with piezoresistive properties for high linearity and minimal hysteresis.
Laser-trimmed circuitry compensates for temperature effects, ensuring accuracy across the operating range.
Overpressure Protection:
Withstands up to 400% of URL without damage (e.g., 0-100 bar sensor handles 400 bar overload).
3.2 User-Centric Configuration
Local Operator Interface (LOI):
Integrated LCD display with tactile buttons for on-site configuration without external tools.
Displays real-time pressure values, diagnostics, and unit conversion (bar, psi, kPa).
Quick Calibration:
One-button zero/span adjustment via HART® or Bluetooth, reducing downtime during maintenance.
3.3 Diagnostic and Predictive Maintenance
Self-Diagnostics:
Monitors sensor health, cable breaks, and process anomalies (e.g., overpressure, temperature extremes).
Generates alerts for drift exceeding ±2% or communication failures.
Siemens MindSphere Integration:
Transmits data to Siemens IoT platform for predictive analytics, enabling condition-based maintenance.
3.4 Flexible Communication
Multi-Protocol Support:
PROFIBUS PA: Ideal for integration with Siemens PLCs (e.g., SIMATIC S7-1500) in factory automation.
Foundation Fieldbus: Suited for process industries requiring digital fieldbus networks.
Wireless Connectivity:
Bluetooth 5.0 enables configuration via mobile devices up to 30 meters away, enhancing safety in hazardous areas.
3.5 Customization Options
Specialized Diaphragms:
Ceramic diaphragms for abrasive slurries.
Gold-plated diaphragms for highly corrosive media
Explosion-Proof Housing:
Flameproof enclosures (Ex d) for Zone 1 gas environments.
Company Profile
KeRul (WeiFang) Automation Equipment Co., Ltd. is speciallzed in industrialautomation instrument development, production and sales, technical servicesand supporting equipment supply of specialized companies, The mainproducts are fow meters, level meters, temperature meters, pressuremeters, electrical meters, thermal meters, programmable controller(PLC), Dcs distributed control system, eight series of more than 1,000specifcations. its products and technologies are widely used in electrlcpower, metallurgy, petrochemical, environ. mental protection, plastics,food,l printing, tobacco, textile, dyeing and other fields.
Our Services
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.
FAQ
Q: How long will you give me the reply?
A: We will reply to you as soon as we see the information
Q: What is the delivery time?
A:The products in stock will be shipped after receiving the payment, and the products that need to be ordered are subject to the factory time.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing.
Q: How about the payment terms?
A:You can choose T/T.
Q: What is the MOQ?
A:1PC.
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.
Q:After sales and warranty?
A: We provide one year warranty lifetime technical support services.
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