• Yokogawa AFS20D-H4221 Duplexed Field Control Unit
  • Yokogawa AFS20D-H4221 Duplexed Field Control Unit
  • Yokogawa AFS20D-H4221 Duplexed Field Control Unit
  • Yokogawa AFS20D-H4221 Duplexed Field Control Unit
Yokogawa AFS20D-H4221 Product Overview Product Introduction The Yokogawa AFS20D-H4221 is a high-performance, versatile function generator designed for testing and signal simulation across a wide variety……
Yokogawa AFS20D-H4221 Duplexed Field Control Unit
  • Yokogawa
  • AFS20D-H4221
  • Duplexed Field Control Unit
  • Japan
  • 230 mm x 180 mm x 95 mm
  • 2.5kg
  • Xiamen, China
  • New & In Stock
  • T/T, PayPal, Western Union
  • 1 Year
  • 1-3 Working Days
  • DHL, UPS, TNT, FedEx and EMS.
  • 24-Hour Service
  • COO
  • 46

Our advantage

Yokogawa AFS20D-H4221 Duplexed Field Control Unit

Global Logistics

We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.

Yokogawa AFS20D-H4221 Duplexed Field Control Unit

Brand new and original

Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.

Yokogawa AFS20D-H4221 Duplexed Field Control Unit

24-hour service

We provide 7*24 hours service to our customers. We will be there whenever you need us.

Yokogawa AFS20D-H4221 Duplexed Field Control Unit

Price advantage

All our products are priced very favorably because we have our own warehouse and supply.


Company Information
E-mail sales@plc-automations.com
Mobile +8615980777398
Whatsapp +8615980777398
WeChat 15980777398

Yokogawa AFS20D-H4221 Product Overview

Product Introduction

The Yokogawa AFS20D-H4221 is a high-performance, versatile function generator designed for testing and signal simulation across a wide variety of applications. This model, part of the AFS Series, is engineered for generating clean, stable waveforms and is widely used in research and development, industrial testing, and educational environments. With a frequency range of 1 Hz to 20 MHz, the AFS20D-H4221 supports multiple waveform types, including sine, square, triangle, and pulse, providing engineers with the flexibility to meet a wide range of signal generation requirements.

This function generator is also capable of generating modulated signals (AM, FM, and PM) and is equipped with an intuitive user interface, making it easy to use for both novice and advanced users. Its robust performance, combined with a compact form factor and high output accuracy, makes it an ideal tool for testing RF circuits, communication systems, audio devices, power supplies, and much more.

As part of the AFS Series, the AFS20D-H4221 provides high functionality at an affordable price, making it a popular choice in laboratories and industries where signal generation plays a critical role in testing and development.


Product Parameters

Parameter Value
Model Yokogawa AFS20D-H4221
Frequency Range 1 Hz to 20 MHz
Waveform Types Sine, Square, Triangle, Pulse
Amplitude Range 1 mV to 20 V peak-to-peak
Modulation Types AM, FM, PM
Output Impedance 50 Ω
Power Supply 100-240 V AC, 50/60 Hz
Weight 2.5 kg
Dimensions (LxWxH) 230 mm x 180 mm x 95 mm
Display 4.3-inch TFT-LCD
Accuracy ±1% of setting
Operating Temperature 0°C to 40°C
Protection Rating IP20
Output Channels 1 Channel
Interface USB, LAN

Product Applications

The Yokogawa AFS20D-H4221 is ideal for a wide variety of applications across several industries:

  1. Telecommunications: The AFS20D-H4221 is perfect for testing communication systems such as base stations, RF equipment, and modulated signal generation for radio systems.

  2. Automotive Testing: It can generate simulated signals to test automotive components such as electronic control units (ECUs), sensors, and automotive infotainment systems.

  3. Power Electronics: The AFS20D-H4221 can simulate electrical waveforms used in power supply testing, including those required for inverters, DC-DC converters, and switching power supplies.

  4. Audio Testing: It generates precise waveforms (including sine, square, and triangle) required for audio system testing, such as amplifiers, mixers, and sound equipment.

  5. R&D and Education: The AFS20D-H4221 is also well-suited for use in research laboratories and educational environments, where precise signal generation is necessary for experimental setups and training.


Product Advantages

  1. Wide Frequency Range: The AFS20D-H4221 offers a frequency range of 1 Hz to 20 MHz, making it versatile for various low and high-frequency applications.

  2. Multiple Waveform Generation: The AFS20D-H4221 supports sine, square, triangle, and pulse waveforms, allowing for flexible testing and signal simulation across multiple sectors.

  3. Modulation Capabilities: The function generator supports AM, FM, and PM modulation, making it an excellent tool for communications testing and other applications requiring modulated signals.

  4. Compact and Lightweight: Weighing just 2.5 kg and with dimensions of 230 mm x 180 mm x 95 mm, the AFS20D-H4221 is compact and easy to transport for both laboratory and field use.

  5. High Accuracy: With ±1% accuracy, the AFS20D-H4221 ensures reliable signal generation for applications requiring precise and stable outputs.

  6. User-Friendly Interface: The 4.3-inch TFT-LCD display provides an intuitive interface for easy waveform visualization, parameter adjustment, and operation.

  7. Remote Control and Automation: Equipped with USB and LAN interfaces, the AFS20D-H4221 can be remotely controlled and integrated into automated test setups.

  8. Durable Design: With an IP20 protection rating, the AFS20D-H4221 is designed for reliable performance in indoor environments, ensuring long-term use without excessive wear.


Brand and Series

  • Brand: Yokogawa

  • Series: AFS Series (Function Generators)

The AFS Series from Yokogawa is known for its high-quality, reliable function generators. The series offers a wide range of models that cater to different signal generation needs, from low-frequency applications to high-performance waveform generation.


Recommended Models in the Same Series

Model Frequency Range Waveform Types Amplitude Range Weight (kg) Dimensions (mm)
AFS10D-H4201 1 Hz to 10 MHz Sine, Square, Arbitrary 1 mV to 10 V peak-to-peak 2.1 kg 220 x 160 x 85
AFS50D-H4301 1 Hz to 50 MHz Sine, Square, Arbitrary 1 mV to 10 V peak-to-peak 2.8 kg 240 x 170 x 90
AFS100D-H4401 1 Hz to 100 MHz Sine, Square, Arbitrary 1 mV to 5 V peak-to-peak 3.1 kg 260 x 180 x 95
AFS300D-H4501 1 Hz to 300 MHz Sine, Square, Arbitrary 1 mV to 10 V peak-to-peak 3.5 kg 280 x 190 x 100
AFS2000D-H4601 1 Hz to 2 GHz Sine, Square, Arbitrary 1 mV to 5 V peak-to-peak 4.0 kg 300 x 200 x 120

Recommended Models from Yokogawa (Other Popular Models)

Model Frequency Range Waveform Types Amplitude Range Weight (kg) Dimensions (mm)
Yokogawa AFG310 1 Hz to 30 MHz Sine, Square, Arbitrary 10 mV to 10 V peak-to-peak 3.0 kg 250 x 175 x 95
Yokogawa FG300 1 Hz to 100 MHz Sine, Square, Arbitrary 1 mV to 20 V peak-to-peak 3.4 kg 260 x 180 x 100
Yokogawa GS200 1 Hz to 10 MHz Sine, Square, Triangle 10 mV to 5 V peak-to-peak 2.0 kg 230 x 160 x 90
Yokogawa AFG500 1 Hz to 50 MHz Sine, Square, Arbitrary 1 mV to 10 V peak-to-peak 2.7 kg 240 x 170 x 85
Yokogawa DL350 DC to 5 MHz Sine, Square, Arbitrary 1 mV to 10 V peak-to-peak 3.6 kg 260 x 180 x 95


Frequently Asked Questions (FAQ)

Q1: What is the frequency range of the AFS20D-H4221?
A1: The AFS20D-H4221 has a frequency range of 1 Hz to 20 MHz, making it suitable for a wide range of low and high-frequency applications.

Q2: Does the AFS20D-H4221 support modulation?
A2: Yes, the AFS20D-H4221 supports AM, FM, and PM modulation for generating modulated signals.

Q3: What is the weight of the AFS20D-H4221?
A3: The AFS20D-H4221 weighs 2.5 kg, making it lightweight and portable.

Q4: What waveform types can the AFS20D-H4221 generate?
A4: The AFS20D-H4221 can generate sine, square, triangle, and pulse waveforms.

Q5: Can the AFS20D-H4221 be used in research labs?
A5: Yes, the AFS20D-H4221 is an ideal tool for research and development, offering precise waveform generation for various experimental setups.

Q6: What is the output impedance of the AFS20D-H4221?
A6: The output impedance of the AFS20D-H4221 is 50 Ω, suitable for most laboratory and testing applications.

Q7: How can I control the AFS20D-H4221 remotely?
A7: The AFS20D-H4221 can be controlled remotely via USB and LAN interfaces.

Q8: What is the power requirement for the AFS20D-H4221?
A8: The AFS20D-H4221 requires a 100-240 V AC power supply, compatible with global power sources.

Q9: Can I adjust the amplitude on the AFS20D-H4221?
A9: Yes, the amplitude of the AFS20D-H4221 can be adjusted from 1 mV to 20 V peak-to-peak.

Q10: Is the AFS20D-H4221 suitable for high-frequency applications?
A10: Yes, with a frequency range up to 20 MHz, the AFS20D-H4221 is suitable for many high-frequency applications, including RF testing.


Yokogawa AFS20D-H4221 Duplexed Field Control Unit

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.

Yokogawa AFS20D-H4221 Duplexed Field Control Unit

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.

Yokogawa AFS20D-H4221 Duplexed Field Control Unit

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%.

Yokogawa AFS20D-H4221 Duplexed Field Control Unit

Thoughtful after-sales service

24-hour after-sales service guarantee team, professional and standardized management service system.


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