Best Air Quality Instrument

Elitech Digital Manifold Gauge HVAC, 2 Way AC Gauge Set with Hoses, Automotive Coupler Adapters, Carrying Case, DMG-1

  • Professional Design: 2-Way Air conditioning diagnostic manifold gauge set for R134A R12 R22 and R410A refrigerants. Designed for AC charging, diagnostic check and recovery work..
  • Easy to use: Double pressure test, dual temperature test, digital readout, multi-unit switching, multi-mode function and built-in refrigerant database..
  • High Accuracy: High-quality dual-table valve with imported pressure sensor,excellent workmanship, stable performance, Large screen, display data clearly.
  • Long battery life: Powered by 3V CR2450 button battery, up to work about 6 months.
  • Wide Application: The intelligent electronic refrigerant group instrument is an auxiliary instrument for the installation, testing and maintenance of refrigeration equipment such as air conditioners,fridge and cold storage..
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BELEY Refrigeration Digital Manifold HVAC System Gauge Set with Temperature Clips and Hoses

  • MUST HAVE -- The intelligent electronic refrigerant group instrument is an auxiliary instrument for the installation, testing and maintenance of refrigeration equipment such as air conditioners, fridge and cold storage. HVAC System Gauge Set has double pressure test, dual temperature test, digital readout, multi-unit switching, multi-mode function and built-in refrigerant database..
  • SUPER CONVENIENT TOOL -- The instrument can measure double pressure at the same time, as well as dual temperature measurement, with automatic multi-unit pressure conversion, automatic conversion of temperature Celsius / Fahrenheit, to facilitate different needs..
  • WHAT YOU CAN GET MORE -- Built-in 89 kinds of refrigerant pressure-evaporation temperature database, also calculate the subcooling superheat, to facilitate direct reading of operating process data. Also it tests percentage of vacuum measurement, pressure leak measurement, leak time speed record. It is deserved to have this multi-functional, accurate and simply operated digital manifold let you do the job right..
  • PREMIUM DESIGN -- Large-size liquid crystal display, LCD backlight support,....
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Double French Horn F/Bb 4 Keys Nickel plated＆Gold Craft Lacquer Brass French Horn With French Horn Case Mouthpiece Gloves Cleaning Cloth and Brush Gold

  • This double French horn is made of phosphor bronze, the tone is brighter, mellow, and beautiful, with an integrated bell mouth molding, phosphor bronze air inlet, and strong sound quality.
  • French horns use high-quality piston wear-resistant many investigations and tests comfortable mouthpiece the sound is delicate and loud.
  • Chehery double French horns are available in two colors, the silver is nickel-plated, and the gold is gold-sprayed. Both will not fade and rust.
  • French horn with manual, musical instrument cloth, special gloves, musical instrument case, mouthpiece and brush.
  • One-piece French Horn, the sound is more beautiful, the tone is more accurate, The Chehery French Horn is an excellent instrument for students learning to play, and those of an intermediate skill level.
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Ambient Weather BA212 Wall Mounted Weather Station with Thermometer Hygrometer and Barometer - Cherry Finish

  • This traditional weather station is both a work of art and an instrument at home in any fine study, library, office or upscale restaurant. The rich, wood framed classic weather station measures barometric pressure (liquid). The antique weather station displays an air of quality and accuracy one would expect with a fine, handcrafted weather instrument from Ambient Weather..
  • The concept that 'decreasing atmospheric pressure predicts stormy weather' was postulated by Lucien Vidie -- and it's the basis for a weather prediction device called a storm glass or liquid barometer. It consists of a glass container with a sealed body, half filled with water..
  • A narrow spout connects to the body below the water level and rises above the water level, where it is open to the atmosphere. When the air pressure is lower than it was at the time the body was sealed, the water level in the spout will rise above the water level in the body and when the air pressure is higher, the water level in the spout will drop below the water level in the body..
  • Also includes a comfortmeter, which measures temperature and humidity, and a comfort zone indicator..
  • Includes 1 year Ambient Weather Warranty.
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Vbest life Practical Temperature Humidity Meter for String Instruments Guitar Violin Ukulele LCD Hygrometer Temperature Humidity Monitor(Black)

  • Designed to slowly release moisture and maintain humidity to help prevent cracking and warping of your instrument.
  • Protect your instrument from damage caused by dry, warm air.
  • Insert into the sound hole of your instrument.
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Boveda Wooden Music Instruments - 49% RH 2-Way Humidity Control - Standard Size For Wooden Instruments – Protects All Wood Instruments For Optimal Sound – Prevents Cracking & Warping Of Guitars– 12 Ct

  • WHY THIS BOVEDA: 12 STANDARD REPLACeMENT PACKS FOR BOVEDA STARTER KITS—SMALL, LARGE & DIRECTIONAL & TO FILL BOVEDA SINGLE & DOUBLE FABRIC HOLDERS. Protects fretted, bowed & woodwind instruments from humidity fluctuations. Maintains the ideal humidity level in an instrument case. NATURAL INGREDIENTS. Trusted by over 3 million people to protect & maintain items at the perfect humidity level. WE GUARANTEE QUALITY! If you’re not 100% satisfied, reach out for a full refund for up to 1 year..
  • HOW BOVEDA WORKS FOR MUSICAL INSTRUMENTS: Boveda 49% RH protects wood instruments & their accessories by stabilizing the humidity within the ideal range—45–55% RH. If the air inside a case is too moist, Boveda absorbs that moisture. If it's too dry, Boveda releases small amounts of water vapor into the case. Wide humidity fluctuations will cause the wood to expand or shrink, which puts stress on the instrument & degrades its performance abilities..
  • CHOOSE BOVEDA: Boveda's the only patented 2-way humidity control solution with 25 years of experience. Using saltwater in our humidity packs, we provide the fastest, most precise humidity ....
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Cressi Mini Console PD2 (imperial)

  • The Mini Submersible Pressure Gauge luminescent dial reads from 0 to 5000 PSI (350 BAR) and is a must-have for any Scuba Diver..
  • For at-a-glance monitoring of air pressure, the instruments face is divided into three different colored zones..
  • The blue zone is the safety zone, indicating an air-pressure from 3000 to 5000 PSI (200 to 350 BAR)..
  • The scale in red indicated when the air is about to end. The alert zone is indicated with red stripes and is when the air pressure is below 600 PSI (50 BAR)..
  • The front glass lens is made to act as a pressure relief valve. n the event of a sudden increase in pressure inside the instrument, the glass rises slightly, allowing the excess pressure to escape..
  • The Instrument is housed in a small, modern shaped boot, made from polycarbonate and Desman, to protection from shocks, scratches and ensure lightness..
  • The Gauge Boot has an attachment point for a clip or lanyard..
  • The Mini SPG is equipped with a 7/16" threaded high-pressure hose..
  • The Mini SPG is developed and made in Italy by Cressi, a brand pioneer in Scuba Diving, Snorkeling and Swimming equipment since 1946..
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BELEY Refrigeration Digital Manifold HVAC System Gauge Set, High-Precision Vacuum Pressure Temperature Leakage Tester Dignostic Meter Kit for Testing Maintaining Air-Conditioner, Refrigerator

  • Must Have -- The intelligent electronic refrigerant group instrument is an auxiliary instrument for the installation, testing and maintenance of refrigeration equipment such as air conditioners, fridge and cold storage. HVAC System Gauge Set has double pressure test, dual temperature test, digital readout, multi-unit switching, multi-mode function and built-in refrigerant database..
  • Super Convenient Tool -- The instrument can measure double pressure at the same time, as well as dual temperature measurement, with automatic multi-unit pressure conversion, automatic conversion of temperature Celsius / Fahrenheit, to facilitate different needs..
  • What You Can Get More -- Built-in 89 kinds of refrigerant pressure-evaporation temperature database, also calculate the subcooling superheat, to facilitate direct reading of operating process data. Also it tests percentage of vacuum measurement, pressure leak measurement, leak time speed record. It is deserved to have this multi-functional, accurate and simply operated digital manifold let you do the job right..
  • Premium Design -- Large-size liquid crystal display, LCD backlight support,....
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Roland WNA1100-RL Wireless USB Adaptor

  • Use the iPhone/iPad apps and a wireless USB adaptor to enhance your skills and enjoyment from recording and practicing to participating in online worldwide rankings..
  • Connect your iPhone/iPad and electronic instruments wirelessly!.
  • Simply connect the WNA1100-RL Wireless USB Adaptor to the USB port of your supported Roland instrument, and launch the iPhone/iPad.
  • Internet connection and wireless LAN access point required.
  • With the Air Recorder app, audio can be recorded from a Roland synthesizer, V-Accordion, or V-Drums directly into the iPhone. Songs can be played from the iPhone and sent to the instrument, where users can jam along and record the result back in Air Recorder. You can export your recorded songs to other apps as well. Compatibility.
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