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Best Digital Variable Optical Attenuator

HMC472 Digital RF Attenuator Module DC-3.8GHz Parallel 0.5dB Step 31.5dB Attenuation Value

  • Attenuation Factor and Step Size :The HMC472 is a wideband 6-bit digital attenuator with an attenuation range of 0 to 31.5 dB and a typical step error of ± 0.25 dB..
  • Operating Frequency Range :Adopt QFN surface mount package, uses single power supply 5V, working frequency range from DC to 3.8 GHz..
  • Insertion Loss :Insertion loss is less than 2.0 dB (typical) and IIP3 is +54 dBm..
  • Objects Used :Suitable for a variety of RF and IF applications..
  • Attenuation Control Interface :Manually adjust the control through the 6-position pin header on the board..
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LC/UPC Fiber Optic Attenuator 5dB, in-Line Attenuator, Male/Female, Single-mode Fixed, dB Options: 3dB, 5dB, 7dB, 10dB, 10 Pack

  • Connector/Connection Polish: LC/UPC Male to LC/UPC Female, 10 Pack.
  • Low Insert-loss & High Return-loss: Optical fibers are connected by adapters through internal open sleeves. Provide LC adapters to ensure the connection between fiber patch cable..
  • Good Repeatability & Intercalation: Widely used in Optical Fiber Distribution Frame, Optical Communication Network, Optical Fiber Broadband Access Network, Optical Fiber CATV, Optical Fiber Testers, FLAN, the performance is stable and reliable..
  • Feature: Light weight, small volume, high accuracy, good stability and convenient operation..
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3GEN DL1 Epiluminescence Dermlite Dermatoscope

  • Variable magnification: Up to 35x optical and up to 105x digital..
  • Observes and records in real time (30 FPS)..
  • The free FireflyPro software supports Windows 10, 8, 7, and Mac OS 10.8 or higher..
  • Live feed is plug-and-play with most video conferencing software platforms..
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Firefly DE550 Wireless Digital Video Otoscope/Earscope

  • Wirelessly captures pictures and videos..
  • Variable magnification: 15x-30x optical and 15x-90x digital..
  • Observes and records in real time (30 FPS)..
  • The free FireflyPro software supports Windows 10, 8, 7, and Mac OS 10.8 or higher..
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Firefly DE500 Digital Video Otoscope/Earscope

  • Variable magnification: 15x-50x optical and 15x-150x digital..
  • Observes and records in real time (30 FPS)..
  • The free FireflyPro software supports Windows 10, 8, 7, and Mac OS 10.8 or higher..
  • Live feed is plug-and-play with most video conferencing software platforms..
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XLBH Optical Fiber Accessories 5PCS/Bag FC UPC Female to Male 15dB Fiber Optic Attenuator FC UPC 15db Female Male Fiber Optic Attenuator Adapter Connector

  • FAST CONNECTION: Quick assembly SC connector can provide quick and easy termination of fibers in the field.
  • EXCELLENT PERFORMANCE: fiber optic adapter has good repeatability, stable performance, high success rate and high reliability.
  • AUXILIARY EQUIPMENT: The attenuator can effectively suppress loop noise, eliminate interference, and prevent accidental damage to the main control terminal.
  • WIDE APPLICATION: optic fiber quick connectors can be widely Used for fiber optical communication system,optical distribution frame (ODF), FTTH, CATV, etc.
  • CERAMIC FERRULE: optic fiber connector built in ceramic ferrule, low insertion loss, wear resistance and long service life.
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Electronix Express EX Digital Satellite Finder Meter for DirecTV - SF-95DR Backlit Plug and Play

  • Reliable and accurate Digital Satellite finder with backlit LCD display and sound.
  • Compatible with DirecTV, Dish Network, and Free-to-Air satellite Systems.
  • Input Level Min: -40 dB, Input Level Max: -10 dB.
  • Operating Range (LNB gain) 52~60dB. NOTE: When using a LNB with gain higher than 60dB, insert a 5dB attenuator between the LNB/LNBF and the digital....
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Jackson Safety Insight Welding Helmet ADF Cartridge, 46128 - Digital Variable Auto Darkening Filter Replacement with Sensitivity and Delay Adjustments, Variable Shades 9-13, Digital Controls

  • UPDATeD MODEL: This Jackson Safety ADF Cartridge is for use with Jackson Safety Insight Welding Helmets. It has 4 sensors to reduce possible blockage, and has been newly updated with industry-leading 1/1/1/1 optical clarity and True Color..
  • BEST VIEWING: It provides a viewing area of 3.93" x 2.36" and offers optimal vison during all stages of the welding process without having to lift the helmet's hood..
  • DIGITAL CONTROL: With variable shades from 9 to 13, it has user-friendly digital controls for sensitivity and delay adjustments for different tasks and durations. This enables welders to enjoy enhanced visibility and color recognition..
  • MULTI-USE WELDING: The variable auto darkening allows you to use it for MIG, TIG, STICK, and ARC welding processes..
  • CARTRIDGE ONLY: Sold as the ADF cartridge only. Insight welding helmet is sold separately. Jackson Safety has built a century long reputation for delivering the most innovative safety solutions in the welding and personal protective equipment industries..
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Sellstrom Face Shield S32010, Single Crown, Full Safety Mask for Men and Women, Clear Polycarbonate, Ratchet Headgear, Lightweight Comfort, ANSI Z87

  • PATENTED TECHNOLOGY: This Jackson Safety True Sight II Welding Helmet has patented Balder technology, offering industry-leading optical clarity 1/1/1/1 rating and True Color (DIN rating EN379.).
  • BEST VIEWING: This ADF helmet has a viewing area of 3.93" x 2.36" and offers optimal vison during all stages of the welding process, without having to lift its hood.
  • It has a lightweight HLX 100 shell that has a narrow shape for working in tight spots.
  • DIGITAL CONTROL: With variable shades from 9 to 13, this helmet has user-friendly digital controls for sensitivity and delay adjustments for different tasks and durations.
  • This enables welders to enjoy enhanced visibility and color recognition.
  • MULTI-USE WELDING: This variable auto darkening face mask allows you to use it for MIG, TIG, STICK, and ARC welding processes.
  • It also features our premium 370 Speed Dial easy grip/turn headgear system.
  • SAFETY CERTIFICATIONS: This helmet provides protection to the user's face and eyes from during welding.
  • It’s efficient and economical, meets ANSI Z87.1 2010 standards, and is CSA compliant.
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Jackson Safety Welding Helmet, Digital Variable Auto Darkening Filter, Stars and Scars Design, Lightweight Protective Welder Face Mask with Light HLX100 Shell, Unisex, Universal Size, 46118

  • Features: True Sight II Digital Variable Auto Darkening Filter Welding Helmet built with four independent sensors (with 2 AAA batteries).
  • Design: ADF helmet has largest viewing area of 4.0" x 3.25" and offers optical clarity with a true 1/1/1/1 rating (DIN rating EN379).
  • Clean View: Variable shades from 5-8 and 9-13 to shield and protect eyes from radiant energy during weld.
  • Shade: Helmet has shade, sensitivity and delay adjustments for different tasks, enabling welders to enjoy enhanced visibility.
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Jackson Safety Welding Helmet, 46129 - Digital Variable Auto Darkening Filter, Lightweight Protective Welder Face Mask for Men and Women, HSL-100 Shell, Universal Size, Black

  • UPDATeD MODEL: This Jackson Safety Ultra-Lightweight Insight Welding Helmet is built with 4 sensors to reduce possible blockage. It’s been newly updated with industry-leading 1/1/1/1 optical clarity and True Color.
  • BEST VIEWING: This ADF helmet has a viewing area of 3.94" x 2.36" and offers optimal vison during all stages of the welding process, without having to lift its hood. It also has a slender HSL 100 shell, which is ideal when working in tight spots.
  • DIGITAL CONTROL: With variable shades from 9 to 13, this helmet has user-friendly digital controls for sensitivity and delay adjustments for different tasks and durations. This enables welders to enjoy enhanced visibility and color recognition.
  • GRIND & WELD MODES: With this economical variable auto darkening face mask, you can choose between grinding and welding modes, including MIG, TIG, STICK, and ARC welding processes. Also features our premium 370 Speed Dial easy grip/turn headgear system.
  • Certified Product: Welding helmet meets ANSI Z87.1 standards and is CSA Z94.3 Compliant.
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Fairfield Circuitry The Accountant

  • No integrated circuits in the signal path Transformer-balanced input and output Selectable output transformer loading resistors by an internal T4-style electro-optical attenuator Very simple to operate with only two main controls, Gain and Peak Reduction A big meter shows gain reduction or output level at two different reference levels Hardwire bypass switch for easy comparisons XLR and TRS input and output jacks for flexible connections Link jack and switch for conne.
  • The COMP-3A is a single-channel vintage-style Compressor/Leveler.
  • The signal path uses only discrete components like resistors, capacitors and transistors, and the input and output is transformer balanced using two different transformers, each one optimized for its purpose.
  • This is the way audio components were built before integrated circuits became available.
  • Integrated circuits are small and cheap and widely used in most modern designs.
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Audiolab AAV-MDACPLUS Digital Audio Converter Pre-Amplifier - Black

  • Frequency Response: 20Hz - 20KHz (± 0.2dB).
  • Audiophile DAC for home use, Highly specified, audiophile-quality digital preamplifier.
  • Class A preamplifier output stage (fixed or variable output), Processes audio data up to 32-bit/384kHz via USB.
  • DSD64, DSD128 and DSD256, 11 user-selectable filters for optimal listening and measurement modes.
  • Sampling Rate: 24-bit / 192kHz (Optical, Coaxial, AES).
  • 2.8MHz (DSD64), 5.6MHz (DSD128), 11.2MHz (DSD256).
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