THORLABS S122 Optical Power Meter

( Brand: Thorlabs ), ( Part Type: Meter ), ( Country Of Origin: United States ), ( Manufacturer Part Number: S122 )

Review THORLABS Optical Power Meter System

The Thorlabs S122 Fiber Optic Power Meter is a versatile and precise instrument designed for measuring optical power in both continuous wave (CW) and pulsed mode applications. This power meter is ideal for use in fiber optic communication systems, research laboratories, and industrial processes where accurate power measurement is essential.

The S122 power meter features a high-resolution, 12-digit, 0.1 pW to 100 mW power range with an optional 100 mW to 10 W power range extension. Its wide dynamic range of 130 dB ensures accurate measurements in applications with large power differences. The power meter comes with a built-in, high-resolution, color TFT graphical display, providing real-time power measurement and data logging capabilities.

The S122 power meter offers various input options, including LC/LC single-mode and LC/PC multi-mode fiber connections, making it suitable for use with various fiber types. It also includes an integrated, adjustable optical attenuator, allowing for accurate power measurements even in high power applications.

The power meter's compact and rugged design, with dimensions of 13.5 in. (343 mm) width, 2.1 in. (53 mm) depth, and 2.8 in. (71 mm) height, makes it an excellent choice for benchtop and portable applications. It is also lightweight, weighing only 3.3 lbs (1.5 kg), allowing for easy transportation and use in various environments.

The S122 power meter offers various communication interfaces, including USB, LAN, and Ethernet, enabling easy data transfer and integration with external systems. It also includes a built-in web server, allowing for remote power monitoring and control via a web browser.

The power meter includes software for data acquisition and analysis, providing features such as averaging, integration, and peak power measurement. It also offers a user-friendly interface for setting up and configuring measurement parameters, making it an excellent choice for both novice and experienced users.

The S122 power meter is designed for long-term reliability and durability, with an operating temperature range of 0 C to 50 C and a high immunity to electromagnetic interference. It also features automatic calibration capabilities, ensuring accurate and consistent measurements over time.

The Thorlabs S122 Optical Power Meter is a versatile and reliable instrument used to measure the power of optical signals in various applications. Here are some pros and cons that may help you decide if this power meter is the right choice for your needs.

1. High Accuracy: The S122 Power Meter offers a high measurement accuracy of 0.5 dB, making it suitable for applications where precise power measurement is essential.

2. Wide Dynamic Range: With a measurement range of 10 W to 500 mW, the S122 Power Meter can handle a wide range of optical powers, making it a versatile instrument for various applications.

3. Flexible Input Configurations: The S122 Power Meter offers multiple input configurations, including fiber optic, free space, and photodiode, allowing users to measure power in different types of optical systems.

4. Intuitive Software: The supplied WinSoft software is user-friendly and offers various features, such as data logging, averaging, and storing and recalling measurement sequences.

5. Robust Construction: The S122 Power Meter is built with a rugged and compact design, making it suitable for use in a laboratory or field environment.

1. Limited Bandwidth: The S122 Power Meter has a relatively low measurement bandwidth of 1 kHz, which may not be sufficient for applications requiring fast response times.

2. Calibration: The S122 Power Meter requires periodic calibration to maintain its accuracy, which can add to the overall cost and maintenance requirements.

3. Price: Compared to some other power meters in the market, the S122 Power Meter can be relatively expensive.

The Thorlabs S122 Optical Power Meter offers high accuracy, a wide dynamic range, and flexibility in input configurations, making it a reliable and versatile instrument for various applications. However, its relatively low measurement bandwidth and the requirement for periodic calibration are potential drawbacks. Despite these cons, the S122 Power Meter's robust construction, user-friendly software, and suitability for a wide range of applications make it a worthwhile investment for researchers and professionals in the field of optics.

If you require a high-precision optical power meter with a wide dynamic range and flexible input configurations, the Thorlabs S122 Optical Power Meter is an excellent choice. However, if you need a power meter with a faster measurement bandwidth, you may want to consider other options in the market. Ultimately, the decision depends on your specific application requirements and budget.

Details:

Spectra Range: 700-1800 NM. Fast and hassle-free. Condition: Used and in Excellent Condition. Optical Power Range: 10 NW-5 MW.

ThorLabs S122 Optical Power Meter System. Resolution: 1 NW. Are not included with this equipment unless pictured and/or listed in the above .

part #: s122 prices

• $450.00-$1299.00

specifications detectoimage:

• brand: Thorlabs
• part type: Meter
• country of origin: United States
• manufacturer part number: S122

payments detectoimage:

• wallet: Apple-pay
• other
• credit card: Visa

returns detectoimage:

• policy: Returns Accepted
• paid by: Buyer
• method: Money back
• time: 30 Days

seller detectoimage:

• city: Champaign, Illinois
• # reviews: 17251
• rating: 99.9%

shipping detectoimage:

• type: Calculated
• cost: $44.11
• transit: 5-8 Days
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery, FedEx Standard Overnight, FedEx Ground Economy
• class: Standard, One-day, Economy

offer detectoimage:

• sold: 0
• quantity: 1
• started: January 15, 2026
• availability: In Stock
• options: Ship-to-home

general detectoimage:

• Test, Measurement Inspection > Cameras Imaging > Other Cameras Imaging
• condition: Used

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