N series mass flow sensors
The N series flow meter consists of the N series mass flow sensor and the IPT200 or DPT100 transmitter, achieving an accuracy level of 0.2 or 0.15 for mass flow measurement. Features of the N series flow meter: 1. Utilizes a dual-type or dual-C type flow tube design for high precision measurement, meeting user requirements. 2. Provides complete measurements of mass flow, volumetric flow, density, temperature, and calculated parameters, yielding reliable results without complicated conversions, and can directly replace volumetric meters. 3. Integrated installation structure, saving installation costs.
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Rosemount flow meter
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Detailed introduction
Product Name: N Series Mass Flow Sensor
Product Model: N10/M15/M20/N25/N50/N80/N100/H150/N200/N250
🌟 Key Features of the N Series Mass Flow Sensor
Wide Model Range: Covers applications from microflow (N10/M15) to high-capacity systems (N250), ensuring scalability across diverse process requirements.
Direct Mass Flow Measurement: Eliminates the need for temperature or pressure compensation by measuring actual mass flow.
High Accuracy & Repeatability: Typically ±1% of reading or better; excellent for precision-critical applications.
Fast Response Time: Rapid reaction to flow changes—ideal for dynamic control environments.
Multiple Output Options: Analog, pulse, and digital outputs such as RS485 or Modbus, facilitating seamless integration.
Compact, All-in-One Design: Sensor, signal converter, and display (for some models) built into a single housing for space-saving installation.
Wide Media Compatibility: Suitable for gases like air, nitrogen, CO₂, argon, and other inert or corrosive gases (depending on model specifications).
Low Pressure Drop: Engineered for minimal interference with system performance.
Robust Construction: Resistant to vibration and contamination—often rated for IP65 or better.
Self-Diagnostics & Calibration Alerts: Integrated diagnostics improve maintenance cycles and ensure long-term performance reliability.
| Model | Flow Range | Accuracy | Response Time | Output Signals | Connection Size | IP Rating |
|---|---|---|---|---|---|---|
| N10 | 0.1–5 L/min | ±1% of reading | <100 ms | Analog (4–20 mA), RS485 | 1/8" or custom | IP65 |
| M15 | 0.3–15 L/min | ±1% of reading | <100 ms | Analog, Pulse | 1/4" | IP65 |
| M20 | 0.5–20 L/min | ±1% of reading | <100 ms | Analog, RS485 | 1/4" | IP65 |
| N25 | 1–25 L/min | ±1% of reading | <100 ms | Analog, Modbus | 3/8" | IP65 |
| N50 | 2–50 L/min | ±1% of reading | <100 ms | Analog, RS485/Modbus | 1/2" | IP65 |
| N80 | 5–80 L/min | ±1% of reading | <100 ms | Analog, RS485 | 1/2"–3/4" | IP65 |
| N100 | 10–100 L/min | ±1% of reading | <100 ms | Analog, Digital Combo | 3/4" | IP65 |
| H150 | 15–150 L/min | ±1% of reading | <100 ms | Analog, RS485 | 1" | IP65 |
| N200 | 20–200 L/min | ±1% of reading | <100 ms | Analog, RS485/Modbus | 1.5" | IP65 |
| N250 | 30–250 L/min | ±1% of reading | <100 ms | Analog, Pulse, Modbus | 2" | IP65 |
❓ Frequently Asked Questions – N Series Mass Flow Sensors
Q1: What types of media can the N Series sensors measure?
A1: The N Series is designed for a wide range of gases—including air, nitrogen, oxygen, argon, CO₂, and other inert or mildly corrosive gases—depending on the sensor model and wetted materials.
Q2: Are the sensors calibrated for specific gases?
A2: Yes. Each sensor is factory-calibrated for a target gas or a user-specified gas mixture to ensure optimum accuracy.
Q3: Can these sensors be used in closed-loop control systems?
A3: Absolutely. With fast response times (<100 ms) and multiple output options (analog, RS485, Modbus), the sensors are well-suited for real-time control applications.
Q4: What is the maintenance requirement for N Series sensors?
A4: Minimal. The sensors are built for long-term stability and include self-diagnostic functions and zero-drift compensation to reduce routine maintenance.
Q5: Do they support multi-sensor networking?
A5: Yes. Models with RS485 or Modbus RTU support can be integrated into multi-point systems for centralized monitoring and control.
Q6: What protection rating do these sensors offer?
A6: Most models are IP65-rated, providing protection against dust and low-pressure water jets.
Q7: Can the sensors be installed vertically or horizontally?
A7: Yes. The compact, all-in-one design allows for flexible mounting in both orientations, depending on flow direction and piping layout.
Q8: Are they suitable for explosive or hazardous environments?
A8: Some models may offer intrinsic safety or ATEX compliance, but it’s best to verify certification per your application requirements.
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