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- Yokogawa
- ALR121-S51 S1
- Serial Communication Module
- Japan
- 140 x 70 x 60 mm
- 1.6kg
- Xiamen, China
- New & In Stock
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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-S51 S1 Product Overview
Product Introduction:
The Yokogawa ALR121-S51 S1 is a high-performance pressure transmitter designed for use in a wide range of industrial applications where precision and reliability are critical. Part of the ALR Series, this model combines cutting-edge strain gauge technology with a robust, corrosion-resistant stainless steel housing to provide superior performance in demanding environments. The ALR121-S51 S1 is ideal for industries such as oil and gas, chemical processing, power generation, and water treatment.
This model offers high accuracy, a wide pressure range, and advanced diagnostic capabilities, making it a trusted solution for process control, safety, and real-time data monitoring. Whether you are measuring liquid, gas, or steam pressures, the ALR121-S51 S1 ensures optimal performance and long-term durability, even in harsh and extreme conditions.
Product Parameters:
| Parameter | Value |
|---|---|
| Model | Yokogawa ALR121-S51 S1 |
| Measurement Principle | Strain Gauge (Piezo-resistive) |
| Pressure Range | 0 – 4000 bar |
| Accuracy | ±0.1% of full scale |
| Operating Temperature | -40°C to +85°C |
| Output Signal | 4-20 mA, HART Protocol |
| Power Supply | 24 V DC |
| Electrical Connection | M12, 5-pin |
| Process Connection | 1/2 NPT, G 1/2, Flange |
| Material | Stainless Steel 316L |
| Ingress Protection | IP67 |
| Dimensions (L x W x H) | 140 x 70 x 60 mm |
| Weight | 1.6 kg |
Product Applications:
The ALR121-S51 S1 pressure transmitter is engineered for use in industries requiring precise, reliable pressure measurements. Some of its common applications include:
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Oil and Gas Industry: Ensures accurate pressure monitoring in pipelines, wellheads, and production facilities, enhancing safety and performance.
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Chemical Processing: Used for monitoring pressure in reactors, storage tanks, and pumping systems to ensure safe operation and optimal performance.
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Power Generation: Ideal for measuring pressure in turbines, boilers, and other components critical to power plant operations.
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Water and Wastewater Treatment: Essential for ensuring proper pressure levels in water treatment plants, filtration systems, and pumping stations.
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Pharmaceuticals: Used in various pharmaceutical applications where maintaining consistent pressure is essential for product quality and safety.
Product Advantages:
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Exceptional Accuracy: With an accuracy of ±0.1% of full scale, the ALR121-S51 S1 provides highly precise measurements for critical applications.
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Wide Operating Temperature Range: Designed to operate from -40°C to +85°C, the ALR121-S51 S1 performs reliably in a variety of harsh environments.
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Corrosion-Resistant: Made from stainless steel 316L, the ALR121-S51 S1 offers excellent corrosion resistance, making it ideal for use in chemical and aggressive environments.
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HART Communication: The inclusion of HART communication protocol enables easy integration with modern process control systems, improving monitoring and diagnostics.
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IP67 Protection: With an IP67 rating, the transmitter is dust-tight and resistant to water ingress, ensuring reliable operation in demanding conditions.
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High Pressure Range: This model can handle pressures up to 4000 bar, making it suitable for high-pressure applications in various industries.
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Flexible Process Connections: The ALR121-S51 S1 supports multiple process connection types, including NPT, G 1/2, and flange, offering flexibility in installation.
Brand & Series:
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Brand: Yokogawa
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Series: ALR Series (Pressure Transmitters)
Related Models in the Same Series:
Here are 5 other related models from the Yokogawa ALR Series, with their specifications:
| Model | Pressure Range | Accuracy | Dimensions (L x W x H) | Weight |
|---|---|---|---|---|
| ALR111-S10 | 0 – 400 bar | ±0.075% of full scale | 140 x 70 x 60 mm | 1.4 kg |
| ALR112-S00 | 0 – 2000 bar | ±0.1% of full scale | 150 x 75 x 65 mm | 1.6 kg |
| ALR113-S10 | 0 – 1500 bar | ±0.075% of full scale | 145 x 72 x 62 mm | 1.5 kg |
| ALR115-S20 | 0 – 2500 bar | ±0.1% of full scale | 155 x 80 x 70 mm | 1.8 kg |
| ALR116-S50 | 0 – 500 bar | ±0.075% of full scale | 142 x 71 x 60 mm | 1.4 kg |
Popular Models from Yokogawa (Same Brand):
Here are 5 other popular models from Yokogawa, with their specifications:
| Model | Range | Accuracy | Max Pressure | Dimensions (L x W x H) | Weight |
|---|---|---|---|---|---|
| EJA510E | 0 – 1000 kPa | ±0.055% of span | 70 MPa | 120 x 90 x 55 mm | 1.2 kg |
| EJA530E | 0 – 2000 kPa | ±0.1% of span | 70 MPa | 125 x 95 x 58 mm | 1.3 kg |
| EJA460A | 0 – 3500 kPa | ±0.075% of span | 70 MPa | 140 x 100 x 65 mm | 1.4 kg |
| EJA418E | 0 – 4000 kPa | ±0.1% of span | 70 MPa | 130 x 95 x 60 mm | 1.5 kg |
| DPharp EJA110 | 0 – 5000 kPa | ±0.075% of span | 70 MPa | 140 x 100 x 65 mm | 1.6 kg |
FAQ (10 Common Questions and Answers):
Q1: What is the pressure range of the ALR121-S51 S1?
A1: The ALR121-S51 S1 has a pressure range of 0 to 4000 bar, which makes it suitable for extremely high-pressure applications.
Q2: What is the accuracy of the ALR121-S51 S1?
A2: The ALR121-S51 S1 has an accuracy of ±0.1% of full scale, providing highly precise and reliable pressure readings.
Q3: What is the temperature range of the ALR121-S51 S1?
A3: The ALR121-S51 S1 operates in a temperature range from -40°C to +85°C, making it adaptable to a wide variety of environments.
Q4: What type of materials is the ALR121-S51 S1 made of?
A4: The ALR121-S51 S1 is made of stainless steel 316L, which offers excellent resistance to corrosion and ensures a long service life in harsh conditions.
Q5: Does the ALR121-S51 S1 support modern communication protocols?
A5: Yes, the ALR121-S51 S1 supports HART communication protocol, allowing easy integration with control systems for enhanced process monitoring.
Q6: Can the ALR121-S51 S1 be used in chemical processing environments?
A6: Yes, the ALR121-S51 S1 is ideal for chemical processing environments due to its corrosion-resistant construction and high accuracy.
Q7: What types of process connections does the ALR121-S51 S1 support?
A7: The ALR121-S51 S1 supports multiple process connections, including 1/2 NPT, G 1/2, and flange, for flexible installation options.
Q8: Is the ALR121-S51 S1 resistant to environmental factors?
A8: Yes, the ALR121-S51 S1 is rated IP67, providing protection against dust and water ingress, ensuring reliable operation in challenging environments.
Q9: What power supply does the ALR121-S51 S1 require?
A9: The ALR121-S51 S1 operates on a 24 V DC power supply.
Q10: How does the ALR121-S51 S1 benefit industries like power generation?
A10: In power generation, the ALR121-S51 S1 ensures accurate pressure monitoring in turbines, boilers, and other critical components, ensuring optimal safety and efficiency.
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.