New and Original Yokogawa OTDR Aq7280 Modular Optical Time Domain Reflectometer

• Customization: Available
• After-sales Service: Offer After-Sales Service
• Warranty: 1 Year
• Model NO.: AQ7280
• Brand: Yokogawa
• Output Signal: 4–20 Ma
• Protection Rating: IP54
• Connection Types: 1/4"NPT, G1/4, M20×1.5
• Type: Optical Time Domain Reflectometer
• Form Factor: Modular Chassis
• Dynamic Range: up to 45 dB
• Pulse Width Range: 3 Ns to 20 µs
• Distance Range: up to 300 Km
• Event Dead Zone: as Short as 0.8 M
• Attenuation Dead Zone: as Short as 3 M
• Fiber Types Supported: SMF, Mmf, Dsf, Nz-Dsf
• Operating Temperature: 0°c to +40°c
• Humidity Range: 10% to 90% Rh
• Power Supply: AC 100–240 V, 50/60 Hz or DC 12 V
• Transport Package: with Carton Package
• Specification: 45X40X35 cm
• Trademark: Yokogawa
• Origin: Japan
• HS Code: 8479909090
• Production Capacity: 1000
• Package Size: 45.00cm * 40.00cm * 35.00cm
• Package Gross Weight: 9.000kg

Product Description

AQ7280 Modular Optical Time Domain Reflectometer

Responding to the growing needs for reliable and ease-of-use field test instruments for installation and maintenance of fiber optic networks, Yokogawa AQ7280 Optical Time Domain Reflectometer (OTDR) is designed to empower field technicians to make fast and precise measurements with confidence. The AQ7280 satisfies a broad range of test and measurement needs in analyzing optical networks from access to core.

Touch panel application menu

No special tools needed

The 8.4-inch touchscreen enables intuitive operation. Select the desired function by simply tapping the icon on the main menu.

The hardware for the OTDR units, option modules, and battery cover can be removed and put back using common work tools, even coins, to allow for quick and easy replacements and tweaks even when in the field.

Specification

Category	Parameter	Specification
General	Model Number	AQ7280 (with modular slots for different modules)
	Type	Optical Time Domain Reflectometer (OTDR)
	Form Factor	Modular chassis (supports up to 4 modules)
Optical Performance	Wavelength Options	1310 nm, 1550 nm, 1625 nm, or dual-wavelength (module-dependent)
	Dynamic Range	Up to 45 dB (varies by module)
	Pulse Width Range	3 ns to 20 µs (adjustable)
	Distance Range	Up to 300 km (depends on fiber type and module)
	Event Dead Zone	As short as 0.8 m
	Attenuation Dead Zone	As short as 3 m
	Measurement Accuracy	±(1 m + 0.005% of distance)
Measurement Features	Analysis Modes	Auto, Real-time, Comparative, Fiber break detection
	Data Storage	Internal memory (module-dependent), USB, or network storage
	Fiber Types Supported	SMF, MMF, DSF, NZ-DSF
User Interface	Display	10.4-inch color touchscreen (1280 × 800 resolution)
	Languages Supported	English, Japanese, Chinese, etc.
Connectivity	Interfaces	USB, Ethernet (LAN), GPIB (optional), HDMI (for external display)
	Remote Control	Supported via SCPI commands or Yokogawa software
Power & Environmental	Power Supply	AC 100–240 V, 50/60 Hz or DC 12 V (optional battery operation)
	Operating Temperature	0°C to +40°C (32°F to 104°F)

Company Profile

Kerui (Weifang) Automation Equipment Co., Ltd.

Since: 2025
Advanced Features:

At KeRui (Weifang), we take pride in offering a comprehensive range of products and bespoke technical services tailored to exceed the unique demands of our esteemed clientele. From state-of-the-art flow instruments to precise liquid level gauges, advanced temperature sensors, and robust pressure measurement devices, our offerings epitomize innovation and technological superiority.

In fostering strategic alliances with esteemed brands such as Rosemount, Honeywell, Yokogawa, and Siemens, we ensure the delivery of premium-grade products and pioneering solutions that uphold the highest industry standards.

Company introduction

KeRui (Weifang) Automation Equipment Co. Ltd. Has maintained a cooperatve relationship with Rosemount for 15 years, and our purchase quantity has reached 20,000 units.
We supplied the tuning fork level gauge to the Rosemount factory and have been well received by the Beijing factory. We have cooperated with Yokowaga and maintained a cooperative relationship for 8 years, and our purchase quality has reached 7000 units.
The companies we have cooperated with:
1. Awarded "Outstanding Supplier by Yanchang Petroleum in 2008
2. In December 2012, our company was awarded the "Excellent Equipment Service Award" for the expansion project of units 6 and 7 of the Guangdong Guohua Yuedaishan Power Plant
3. Awarded "Outstanding Supplier by Yaxing Group in 2013
4.200 transmitters for Haihua Group's ethylene debottlenecking transformation project in 2015.
5. In 2018, we were rewarded as a National Nuclear Power Instrumentation Industry Measurement and Testing Alliance member.
6.160 transmitters and 20 electric autuators for the Shandong Laigang Yongfeng Steel expansion project in 2019
7.In 2022, Jinneng Chemical (Qingdao) Co., Led/ Jinneng 2x450,000 tons/ year high-performance polypropylene project (newly built) equipped 460 transmitters from our company.
8. In 2022, Shandong Qinghe Chemical Technology Co., Ltd.s hydrogen peroxide method epoxy propane device and supporting hydrogen peroxide device expansion project used 253 pressure transmitters.
9.In 2022, the Wanhua Chemical HTN project NPG installed 320 transmitters and 50 sets of valve positioners.

Certifications

FAQ

1.Does KeRui provide technical support to customers after sales?

 Yes, we provide comprehensive technical support to ensure our customers derive maximum value from our products.

 

2.How long has KeRui been partnering with leading brands in the automation industry?

 We have been partnering with top brands such as Rosemount, Honeywell, Yokogawa, and Siemens to deliver top-quality industrial automation solutions since our establishment.

 

3. What are the advantages of using KeRui's flow meters in industrial applications?

 Our flow meters offer precise measurement, reliability, and durability, making them ideal for critical industrial processes.

 

4. How does KeRui ensure that its PLCs and DCS systems meet industry standards?

 We adhere strictly to international standards and conduct rigorous testing to ensure our PLCs and DCS systems meet or exceed industry requirements.

 

5. What are the warranty terms offered by KeRui for its industrial automation instruments?

 Our warranty terms ensure coverage for manufacturing defects, providing peace of mind to our customers.

 

6. How does KeRui manage logistics for international shipments?

 We work with reliable logistics partners to ensure efficient and secure international shipments of our products.

 

7. What are the core values that drive KeRui's commitment to customer satisfaction?

 Our core values include integrity, reliability, innovation, and customer-centricity, guiding everything we do.

 

8. How does KeRui stay updated with the latest technological advancements in industrial automation?

 We invest in research and development and maintain partnerships with leading technology providers to stay at the forefront of innovation.

 

9. What are the goals of KeRui for the next five years?

 Our goals include expanding our market reach, enhancing product innovation, and solidifying our reputation as a trusted provider of industrial automation instruments.

10. In which global markets does KeRui see the highest demand for its products?
 We experience high demand in South Asia, the Middle East, and Southeast Asia, with growing interest from other regions worldwide.

Packaging & Shipping