ReviewsAir Quality Measuring Instrument

Mendini By Cecilio Alto Saxophone - E Flat Saxophones w/Case, Mouthpiece, Stand, Reeds & Cloths

【Top Material】Our beautiful instrument used selected h68 copper material and multi-layer painted transparent lacquered gold,durable and non-fading and Hand carved on the appearance and high-quality shell buttons make the sax more perfect.EASTROCK saxophone is definitely an outstanding musical instrument in terms of quality and appearance..
【Excellent Sound】The EASTROCK saxophone have been professionally adjusted before leaving the factory to ensure that have good sound without noise, and the buttons have good feedback and look perfect when the fingers are pressed down..
【Advanced Design】EASTROCK saxophone used upgraded quality leather so that make the saxaphone have higher air tightness,used the upgraded quality copper needle spring make the instrument more smooth.Choose EASTROCK must be your best investment,NEVER let you disappoint..
【Suitable For Any Level Player】EASTROCK saxophone is suitable for students,beginners,school,concert,gifts and any level players.Tone B-Flat to High F.Package included one tenor saxophone,portable updated hard case,Mouthpiece,neck strap,Reeds,Mouthpiece Cushion Pads,Cleaning Cloth&Cleaning Rod,White Gloves,Alcohol Pads.Absolute value for money..
【100% Money Back】EASTROCK musician instrument have 1 year ma....

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CAMWAY LCR Meter LCD Capacitance Inductance Resistance Tester Measuring Meter Self-Discharge pF nF μF with Overrange Display

LCR Meter is Inductance, Capacitance, Resistance, Continuity Test And Diodes Measuring Meter, A Special Digital Instrument , Easy to Operat, Reading Accuracy Degree is Higher with LCD Display 1999 (3 1/2)..
Adopted Double Integral A/D Converter Core and A Large-Scale Integrated Circuits, Make The LCR Meter Inductance, Capacitance, Resistance Tester an Excellent Performance Instrument for Users..
Wide Measuring Range 200pF to 2000uF, Accuracy ±(2.5%+5), 200uH Tto 20H,Accuracy ±(2%+5), 200Ω to 200MΩ, Accuracy ±(0.8%+2)..
Multi-function : Auto Power Off, Data Hold function, Low Power Indication, ZERO ADJ for Capacitance , Large Screen Can be Flipped , Sampling rate is 3 times per Second..
Accessory : 1x Instruction Manual, 1xCertificate, A pair of crocodile clip , 1x 9V Battery, Designed to Safely and Accurately Troubleshoot A Variety of Automotive and Household Electrical Problems..

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Ammonia Gas Detector,0~100PPM NH3 Concentration Tester, Air Quality Humidity Temp Reader with Alarm for Home Decoration,Poultry Farm,Industry (AIOMEST AI-5800G)

✅【High Accuracy】-Measuring ammonia gas range 0~100PPM, with resolution of 0.1PPM and high accuracy +/- 2%, this air quality meter works well in continuous monitoring NH3 in real time..
✅【Double Alarm】-Installed with light/sound alert, when the ammonia intensity reaches the alarm value (AL1, AL2) you set, AI-5800G will remind you to take necessary action, with both red light indicator and buzzer..
✅【Wide Applications】-Combing temperature and humidity function in one, this particle tester shows ambient humidity and temperature -4~122℉(-10 ~ 50℃) on the large color LCD screen simultaneously, great for home decoration, mining, poultry pig farms..
✅【Long Service-Life】-Built-in 1600mAh large capacity rechargeable battery, this ammonia tester provides longer service time. Recharge the instrument with USB cable (included), when low battery indicator appears..

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Round Thermometer Hygrometer, Humidity Temperature Meter for Violin Guitar Case Instrument Care(Gold)

DELICATE APPEARANCE: Adopted alloy frame, the thermometer and hygrometer is not only very durable but also has exquisite workmanship and delicate appearance..
FUNCTION: Mainly used for the humidity and temperature measurement of musical instrument like violin and guitar..
MEASUring RANGE: Measure the humidity at the range of 20~100%, displaying at , measure the temperature at the range of -25~55 / -13~130, displaying at ..
GOOD ACCESSORY: The thermometer and hygrometer is compact and portable to place at the violin or guitar case, no battery needed, it shows the current humidity and temperature clearly. Greatly beneficial to the storage and care of your precious instrument..
GREAT GIFT: This thermometer and hygrometer is a practical gadget for instrument lovers, the person who receive this gift will be very happy..

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RCYAGO Dissolved Oxygen Meter with Electrode Filling Fluid

Dissolved oxygen meter is a precision instrument for measuring dissolved oxygen and temperature. The dissolved oxygen probe is a thin film with a polarographic sensor and a thermistor for temperature measurement and temperature compensation. The permeable membrane separates the measured solution from the sensing electrode but allows oxygen to pass through the membrane to react, and the concentration can be measured..
Dissolved oxygen refers to the concentration of molecular oxygen dissolved in water, generally expressed in mg/L (ppm) and saturation percentage (%), which is the percentage of dissolved oxygen in 1L of water. The oxygen concentration of our dissolved oxygen meter is 0.0-40.0mg/L, most of the range of dissolved oxygen meters on the market is 0.0-20mg/L. When measuring and calibrating, needn't open the protective cover of the electrode, just put the electrode in the solution for measurement..
Detachable probe, easy to replace, equipped with 6 probe protective covers and anaerobic water calibration powder. The film inside the protective cover cannot be taken apart. After using it for a period of time, the test value is inaccurate and the calibration is still inaccurate, and the membrane sleeve needs to be replaced..

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Digital Brix Refractometer, Brix Meter for Sugar, Food, Beverage, Fruit, Beer, Honey, Various Sauces, Tomato Sauce and Etc Range 0-55%

...ly needs to drop 2 drops of sample, and then press the measuring key to display the value in 2 seconds. Accurately and quickly measure the refractive index, concentration, and other parameters of various aqueous solutions, avoiding subjectively wrong numerical read. Accuracy ±0.2%/±1℃..
【Precision Optical Instruments】The Brix Meter is a precision optical instrument with a digital LCD display panel. And the Brix refractometer has an automatic temperature compensation function, compensation 10-40°C, which is faster, more accurate, and clearer than traditional handheld refractometers..
【Easy to Use and Carry】One key boot, one key zero-setting, the touch buttons are comfortable and beautiful, only need 2*1.2V AA battery, and the weight is 113g can be easily put in the pocket and can be accurately measured anytime anywhere. Automatic backlight can be measured day or night, easy to read..
【IP65 waterproof 】for the safety of the instrument, the instrument panel and prism part are waterproof, and the solution can be flushed to flow into the instrument (the body is not waterproof, do not soak the body in water). Equipped with a high crystal prism, built-in interference filter, the measurement process is not affected by strong light and....

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EASTROCK Bb Trumpet Cupronickel Intermediate Double-Braced Trumpet Instrument with Carrying Case,Gloves, 7C Mouthpiece

Bb (B flat) Trumpet - Eastrock Intermediate Double-Braced Trumpet,Solid and durable Cupronickel body, excellent spraying process,its sound is excellent and bright, penetrating, abundant and powerful, excellent vibration..
Design And Process--11.65mm/0.460inch pipe & 125mm/4.92inch bell mouth, The valve is durable, Spring rebounds quickly Good air tightness,There is resistance when pulling out the adjusting tubes, and the water key has good air tightness,Environmental protection and no harm to health..
Beautiful Shape--Valves will accurately link each piping ,Smooth action valves and comfortable buttons,Highly durable piston valve lengthening the life of the instrument while maximizing sound quality..
Includes - Trumpet,a pair of white gloves, Soft polishing cloth,Silver plated 7C mouthpiece,Hard case with backpack straps and zipper pocket.【Pay Attention to Cleaning and Maintenance】.
No-hassle warranty - If the instrument ever fails due to manufacturing defects,We promise, for as long as you own the instrument and have proof of purchase, we'll provide you with parts for free ,feel free to reach us by message to contact our support team..

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Dilwe Guitar Round Thermometer Hygrometer, Humidity Temperature Meter for Violin Guitar Case Instrument Care(Silver)

DELICATE APPEARANCE: Adopted alloy frame, the thermometer and hygrometer is not only very durable but also has exquisite workmanship and delicate appearance..
FUNCTION: Mainly used for the humidity and temperature measurement of musical instrument like violin and guitar..
MEASUring RANGE: Measure the humidity at the range of 20~100%, displaying at , measure the temperature at the range of -25~55 / -13~130, displaying at ..
GOOD ACCESSORY: The thermometer and hygrometer is compact and portable to place at the violin or guitar case, no battery needed, it shows the current humidity and temperature clearly. Greatly beneficial to the storage and care of your precious instrument..
GREAT GIFT: This thermometer and hygrometer is a practical gadget for instrument lovers, the person who receive this gift will be very happy..

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Hyuduo LED Display Voltmeter, Voltage Tester Current Detector Square 22mm Dual Display Panel Voltmeter Ammeter AC 0-100A 60-500V Meter Indicator (Blue)

【Multiple Colors】: There are four colors of voltage meter , you can choose any color you like..
【Accurate And Stable】: Voltage current detector has beautiful appearance, high measurement accuracy and stable working performance..
【Keep Abreast Of Voltage】: Volt monitor uses an LED digital display tube for clear display, and you can see the real-time voltage through the display..
【High Quality】: Voltage tester is made of high quality materials, exquisite workmanship and long service life..
【Measuring Range】: LED display instrument has a wide measuring range of AC 60-500V and 0-100A..

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Refrigeration Digital Manifold Gauge Meter HVAC Vacuum Pressure Temperature Tester Kit with Test Clip and Pipe for Testing Maintaining Air-Conditioner, Refrigerator

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..
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..
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..
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. Built-in 89 kinds of refrigerant pressure-evaporation temperature database, also calculate the subcooling superheat, to facilitate direct reading of operating process data..
The instrument uses high-strength engineering plastics and flexi....

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Proster LCR Meter LCR Multimeter Tester for Capacitance Resistance Inductance Measuring Meter with LCD Over-range Display

Proster LCR Meter: inductance, capacitance and resistance measuring meter,it is a Specialdigital instrument which is easy to be operated, the reading....
High Accuracy : (Inductance) Measuring accuracy up to ±(2%+5).
(Capacitance) Measuring accuracy up to ±(2%+5)Forward voltage drop of diode:Displaty....
Rotable LCD Display : Multi angle adjustment for easy reading.There is no need to hold tester while measuring, more convenient operation..
New Version Test Leads: Comes with crocodile clip/ Test Loads/ mini Alligator Clip.
The black pen is connected to the negative pole and the red test....

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