AERO-GRO 5-in-1 TDS/pH Meter - IP67 Waterproof 5 Functions pH TDS EC Salinity Temperature 0.01 Resolution High-Accuracy Pen-Type Tester for Hydroponics Water Wine Spas Aquariums White

  • [5-in-1 pH METER] - Meter has a five-in-one function, which can measure PH, TDS, EC (Electrical Conductivity), Salinity %, Salinity ppm, and....
  • [Accurate pH Tester] - Featuring a solid glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. The pH meter uses a 3-point....
  • [TDS Measurement] - Fast and accurate TDS / PPM testing for hydroponics or anywhere TDS is critical. The TDS Range is 0~10,000ppm. Accuracy is ±2%..
  • [EC Measurement] - Measure Electrical Conductivity of either fresh or salt water..
  • [Saline % and Saline ppm Measurement] - Conveniently and easily keep track of saline levels by either percentage or ppm. Great for aquarium, saltwater....
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Amprobe - 3311871 TH-1 Compact Probe Style Relative Humidity Meter

  • Relative humidity (RH), temperature, wet bulb, and dew point meter is used for HVAC, indoor air quality, and environmental applications.
  • Dual-scale thermometer measures wet- and dry-bulb temperature and dew point in F and C.
  • Capacitive humidity sensor ranges from 0 to 100 percent relative humidity (RH).
  • Data hold for recording data, and minimum and maximum temperature readings.
  • Sensor: Electronic Capacitance Polymer Film Sensor.
  • Range Temperature: -20 to 50°C (-4 to 122°F).
  • Accuracy Relative Humidity: ±3%RH from 10 to 95%RH, +5%RH (0 to 10, 95 to 100%RH) @ 25°C (77°F) non-condensing.
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BTMETER Digital Anemometer Barometer Handheld, for Wind Speed Temperature Wind Chill Tester w/Humidity, Altitude, Barometric Pressure Meter for Climbing Drone HVAC CFM BT-100WM

  • ➤【MULTIFUNCTION ANEMOMETER】BT100WM wind speed gauge meter measures not only Wind Speed, Wind Temp, Wind Chill Indicator, but also Relative Humidity, Dew Point, Barometric Pressure and Altitude. With data log, Tripod hole for mounting, it’s ideal for outdoor activities:Long Range shooting, Hunting, Sailing, Kite flying, Drone Driving, CFM air flow test..
  • ➤【HIGH PRECISION】Digital wind meter for measure wind speed range 0.67 ~ 67.1 mph( +/- 5% accuracy).
  • Wind temperature range -10~45℃,14℉-113℉(+/-2 ℃/℉).
  • Wind meter measurement altitude from 0-19685 Ft. Resolution: 0.2 mph, 0.2℉,0.1% RH. So you can be rest assured to get fast and accurate reading..
  • ➤【EASY TO USE】Measures different readings such as Max, Min, Average, Current Wind Speed, display in 5 units: mph, ft/min, km/h, m/s or knots. Temperature (Celsius/Fahrenheit), Elevation(M, Ft), Atmospheric pressure(inHg, hpa mbar). And LCD backlit screen makes it easy to read in day or at night..
  • ➤【LOG THE BAROMETER DATA】This handheld wind speed meter can also log 16 groups of barometric pressure data for record, compare and analyse the relationship between temperature, humidity, and height. It’s compact pocket sized Pro anemometer for weather station, long distance shootin....
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Sper Scientific 860040 Turbidity Meter

  • ...ement range of 0-14pH, 0.01 pH resolution. High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response.One-button lock reading function helps lock reading even if the tester is taken out of the sample!.
  • ✅Automatic Calibration - The digital ph meter for water uses a 3-point AUTOMATIC calibration method, calibrating the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18 to ensure the accuracy of your measurements..
  • ✅Automatic Temperature Compensation - No longer need to pay attention to the temperature of testing liquid, Allprettyall ph tester digital can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C (32 °F-140 °F), so as to solve the inaccurate problem caused by changing the liquid temperature..
  • ✅Wide Application-Allprettyall water quality tester designed in pH and temperature can be measured simultaneously with high precision. Omni-directional measurement of water quality to ensure the health of water quality! The ph meter digital water tester is ideal for drinking water,daily household,hydroponics,sewage, lab teaching and ANY water sample..
  • ✅Easy To Carry And 100% Quality Guarantee - Small pocket size and light weight design makes it more popular wi....
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Audio analog VU Level Meter XLR to RCA convert box for amp

  • VU1 PRO VU meter & audio converter is multi-function box: As a VU meter, with LINE and microphone inputs, can be matched well with most audio devices such as phone, computer, CD players, or speakers etc. As an audio adapter, easily to convert XLR (RCA) input to RCA (XLR) output and with IN/OUT switch, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets..
  • Environment noise filtering, can filter redundant noise and only retain the music from players, the pointer will swing more accurately. AGC and DB mode, the swing of pointer can be proportional (DB mode) or not proportional(AGC mode) to the input level, can be switched to get different display effects and fit different usage requirements..
  • Dimensions(W*D*H): 152*115*50mm / 5.98*4.53*1.97in.
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ALLOSUN Digital Thermometer Hygrometer Indoor Humidity Greenhouse Temperature Monitor Alarm & Long Probe Gauge Dew-Point Meter with LCD Display

  • 1. Display the temperature, relative humidity and dew point. It can be operated easily and be ideal instruments for use in fields, laboratory,....
  • 2. Humidity alarm feature can be turned on or off. The humidity alarm limits can be set according to your reality needs. LED Alarm..
  • 3. Temperature-Humidity Sensor can be mounted on the left side of the meter or extended for measurements in other locations. The meter can be mounted....
  • 4. Data memory of max/min temperature and humidity values are available. Fahrenheit/Celsius can be exchanged according to your application preference..
  • 5. Large LCD display. Power supplied by 2 x 1.5V AAA battery (Not provided by seller)..
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Douk Audio VU2 MIC & Line Dual VU Meter, Analog Sound Level Indicator, 4-Way Splitter Switch, Audio Switcher Box for Speaker / Amplifier / Preamp (Light Version)

  • ... 4-IN-1-OUT to compare the sound quality of differet audio source among mobile phone, tablet computer, TV, CD player, DAC etc., also can work in 1-IN-4-OUT mode to do contrasts among preamp, headphone, power amplifier and active speakers etc..
  • No need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets. 4 channel can input at the same time to mixer different audio source, also can output at the same time to satisfy the requirements of monitoring or recording..
  • The USB interface of VU2 is only for providing power for the drive board of the VU meter, without any interference to the audio input and output circuit. VU meter and switcher box is controlled independently, and VU meter only reads audio signal from the I/O interface, the sound quality will not be affected..
  • Unique and powerful design with exquisite appearance, cool black case and colorful indicators looks vintage and dynamic. All input and output terminas are made of lengthened gold-plated pure copper with large contact area for perfect performance and ultra-low signal loss, and equipped with remote control, very convenient to use, can perfectly match with audio device of different styles and suitable for a variety of scenarios..
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Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

  • 3 Modes in 1: With the VIVOSUN 3-in-1 pH meter, you can accurately measure pH, TDS and temperature values to discover your water quality and ensure your family’s health.
  • Automatic Calibration: Featuring three-point calibration, the VIVOSUN pH pen can automatically identify calibration solutions of pH 4.00, pH 6.86 and pH 9.18.
  • High Accuracy: Highly sensitive probe gives you a full measurement range of 0-14 pH, 0.01 pH resolution.
  • pH tester digital green backlit display ensures you can read the measuring results under any conditions.
  • Automatic Temperature Compensation: With the VIVOSUN pH meter’s accurate ATC, pH / TDS / EC / temp function can accurately read sample values across a broad temperature range of 32 °F-140 °F.
  • Solve the problem of inaccurate measurements caused by changes in liquid temperature.
  • Multiple Uses: Pocket-sized and multi-functional, the VIVOSUN pH tester is ideal for daily use, to add to water testing kits for drinking water, or as a gift for family and friends.
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Hanna Instruments HI 98121 Combination pH/ORP/Temperature Tester

  • One- or two-point manual pH calibration for obtaining results across a wide range.
  • Non-clogging fiber junction and replaceable electrode to prolong life of meter.
  • Automatic Temperature Compensation (ATC) eliminates need for extra calculations.
  • Waterproof and floats if dropped in water.
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