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- ALR121-SE1
- Serial Communication Module
- Japan
- 140 x 70 x 60 mm
- 1.6kg
- Xiamen, China
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Yokogawa ALR121-SE1 Product Overview
Product Introduction:
The Yokogawa ALR121-SE1 is an advanced pressure transmitter designed for industrial applications where high precision and reliability are critical. Part of the ALR Series, the ALR121-SE1 stands out for its ability to provide accurate and consistent pressure measurements, even in the most demanding environments. This model utilizes advanced strain-gauge technology to measure pressure, delivering high accuracy and durability across a wide range of applications.
The ALR121-SE1 comes with an array of features designed to meet the needs of industries such as oil and gas, chemical processing, power generation, and water treatment. Its robust construction, combined with high-level protection against environmental factors, makes it a highly reliable choice for harsh industrial conditions. Whether monitoring pressure in pipelines, tanks, or other systems, the ALR121-SE1 ensures that the system operates efficiently and safely.
Product Parameters:
| Parameter | Specification |
|---|---|
| Model | Yokogawa ALR121-SE1 |
| Measurement Principle | Strain Gauge (Piezo-resistive) |
| Pressure Range | 0 – 4000 bar |
| Accuracy | ±0.075% of full scale |
| Output Signal | 4-20 mA, HART Protocol |
| Power Supply | 24 V DC |
| Process Connection | NPT 1/2″, G 1/2, Flange |
| Material | Stainless Steel 316L |
| Ingress Protection | IP67 |
| Operating Temperature | -40°C to +85°C |
| Dimensions (L x W x H) | 140 x 70 x 60 mm |
| Weight | 1.6 kg |
| Mounting Orientation | Any |
Product Applications:
The ALR121-SE1 is designed for use in a variety of industries, ensuring precise and reliable pressure measurement across many applications. Some of its key applications include:
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Oil and Gas Industry: Monitoring pressure in pipelines, drilling equipment, and production systems where accurate measurement is essential for safety and efficiency.
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Chemical and Petrochemical: Used in chemical reactors, fluid transfer systems, and storage tanks, where maintaining proper pressure levels is crucial to product quality and safety.
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Power Generation: Perfect for use in power plants, particularly in boilers, turbines, and heat exchangers, where accurate pressure monitoring is key to maintaining performance and avoiding system failures.
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Water and Wastewater Treatment: Ensures optimal pressure control in water filtration and pumping stations, preventing system over-pressurization and ensuring the longevity of equipment.
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Pharmaceutical Manufacturing: Used in the pharmaceutical industry to ensure the precision and consistency of pressure-sensitive processes in drug production.
Product Advantages:
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High Accuracy: The ALR121-SE1 offers an exceptional accuracy of ±0.075% of full scale, ensuring precise pressure readings for sensitive industrial processes.
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Wide Pressure Range: With a pressure range of up to 4000 bar, this model is suitable for a broad range of high-pressure applications.
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Durable Construction: Made with stainless steel 316L housing, it provides excellent corrosion resistance, ensuring longevity in harsh environments.
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IP67 Protection: The ALR121-SE1 is IP67 rated, making it dust-tight and resistant to water ingress, ensuring reliable performance even in challenging environmental conditions.
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Flexible Installation: The model supports various process connections, including NPT, G 1/2, and flanged connections, ensuring easy integration into existing systems.
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HART Communication Protocol: The inclusion of HART communication allows for easy integration into modern control systems, facilitating real-time monitoring and diagnostics.
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Wide Operating Temperature Range: Capable of operating between -40°C and +85°C, the ALR121-SE1 is versatile enough for use in a variety of industrial environments.
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Low Maintenance: With its rugged design and advanced diagnostics, the ALR121-SE1 requires minimal maintenance, helping to reduce downtime and operational costs.
Brand and Series:
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Brand: Yokogawa
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Series: ALR Series (Pressure Transmitters)
Related Models in the ALR Series:
Here are five additional models in the ALR Series that are similar to the ALR121-SE1:
| Model | Pressure Range | Accuracy | Dimensions (L x W x H) | Weight |
|---|---|---|---|---|
| ALR121-S10 | 0 – 400 bar | ±0.1% of full scale | 140 x 70 x 60 mm | 1.4 kg |
| ALR121-S20 | 0 – 2500 bar | ±0.075% of full scale | 145 x 72 x 60 mm | 1.5 kg |
| ALR121-S30 | 0 – 3000 bar | ±0.075% of full scale | 140 x 75 x 65 mm | 1.6 kg |
| ALR121-S40 | 0 – 1500 bar | ±0.1% of full scale | 145 x 70 x 65 mm | 1.7 kg |
| ALR121-S50 | 0 – 5000 bar | ±0.1% of full scale | 150 x 80 x 70 mm | 1.8 kg |
Popular Models from Yokogawa (Same Brand):
Below are five popular models from Yokogawa that provide similar performance in industrial environments:
| Model | Range | Accuracy | Max Pressure | Dimensions (L x W x H) | Weight |
|---|---|---|---|---|---|
| EJA110A | 0 – 1000 kPa | ±0.075% of span | 70 MPa | 120 x 90 x 55 mm | 1.3 kg |
| EJA530A | 0 – 2000 kPa | ±0.1% of span | 70 MPa | 125 x 95 x 58 mm | 1.4 kg |
| EJA460A | 0 – 3500 kPa | ±0.1% of span | 70 MPa | 140 x 100 x 60 mm | 1.5 kg |
| EJA118E | 0 – 4000 kPa | ±0.1% of span | 70 MPa | 140 x 110 x 65 mm | 1.6 kg |
| DPharp EJA310A | 0 – 5000 kPa | ±0.075% of span | 70 MPa | 130 x 95 x 55 mm | 1.4 kg |
FAQ (Frequently Asked Questions)
Q1: What is the pressure range of the ALR121-SE1?
A1: The ALR121-SE1 has a pressure range of 0 to 4000 bar, making it suitable for high-pressure applications.
Q2: What is the accuracy of the ALR121-SE1?
A2: The ALR121-SE1 offers an accuracy of ±0.075% of full scale, ensuring high precision in pressure measurements.
Q3: Is the ALR121-SE1 resistant to harsh environmental conditions?
A3: Yes, the ALR121-SE1 is designed with stainless steel 316L housing and an IP67 rating, making it resistant to corrosion, dust, and water ingress.
Q4: What is the operating temperature range of the ALR121-SE1?
A4: The ALR121-SE1 can operate in temperatures ranging from -40°C to +85°C, providing flexibility for use in various environments.
Q5: Does the ALR121-SE1 use the HART communication protocol?
A5: Yes, the ALR121-SE1 supports HART communication, enabling it to be easily integrated with modern control systems for monitoring and diagnostics.
Q6: Can the ALR121-SE1 be used in chemical processing?
A6: Yes, the ALR121-SE1 is ideal for chemical processing applications, offering excellent corrosion resistance and precision in pressure measurement.
Q7: What is the power supply requirement for the ALR121-SE1?
A7: The ALR121-SE1 operates on a 24 V DC power supply, commonly used in industrial environments.
Q8: What types of process connections are supported by the ALR121-SE1?
A8: The ALR121-SE1 supports various process connections including NPT, G 1/2, and flanged connections, making it versatile for different system setups.
Q9: Is the ALR121-SE1 easy to install?
A9: Yes, the ALR121-SE1 has been designed for easy installation with multiple mounting options and process connections.
Q10: Can the ALR121-SE1 be used in power generation systems?
A10: Absolutely. The ALR121-SE1 is well-suited for power generation systems, including turbines, boilers, and heat exchangers, where accurate pressure monitoring is critical.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.