If I were looking for Meters & Controllers and I wanted the best selection I could find at a good price, AMAZON would be my first choice. Not only do they have a large collection of Meters & Controllers, but they also have great prices, and free shipping on some items.
The product links on this page will take you directly to the complete collection of Meters & Controllers on the AMAZON website.
If you are truly looking for a great shopping experience, great selection and great prices, you have come to the right place. Browse around, I'm sure you will find exactly what you are looking for.
 EPever 40A MPPT Solar Charge Controller Tracer A 4210A + Remote Meter MT-50 Solar Charge With LCD Display for solar Battery Charging List Price: Sale Price: $178.90 You save: $59.10 (25%)  Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionEPEVER 40A MPPT Solar Charge Controller Tracer A 4210A Solar Charge With LCD Display Product Specification ★Multiple load control modes: manual control, lighting ON/OFF, light On+Timer ★Advanced Maximum Power Point Tracking (MPPT) technology, with efficiency no less than 99... Features
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 bayite DC 6.5-100V 0-100A LCD Display Digital Current Voltage Power Energy Meter Multimeter Ammeter Voltmeter with 100A Current Shunt List Price: Sale Price: $18.75 You save: $26.25 (58%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionMain Specifications: Working voltage: DC 6.5 ~ 100V Measuring Accuracy: 1% Power Consumption: 0.2W Measurement speed: 2 times/s Store Energy data when power off. Can be reset to 0. The blue backlight can be turned on/off manually Test Range and Display format: 1... Features
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 DIGITEN Water Liquid Flow Rate Volume Digital Display Flowmeter Quantitative Controller Counter Liter Gallon Sale Price: $49.99 Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionFEATURES Quantitative control Controller will turn off the solenoid value automatically when flow reach to the setting value you desire Monitor flow rate Display the REAL-TIME volume of liquid which passes per minute Work with all hall effect flow sensor It can work various different flow sensor through adjust the K value Volume unit Display Liter or Gallon Water meter DFC15 can be used to measure the volume of water Adjustable accuracy Calibrate the accuracy through adjust the K parameter Temperature monitor Come with temperature sensor, it can measure liquid temperature Easy-to-Read Front-Panel Liquid Crystal Display Displays the flow total volume, flow rated and sensed temperature clearly; custom icons on the display indicate the controller working status at a glance TECHNICAL SPECIFICATIONS Controller Power Requirement: 12VDC Power Adapter: Input: 100-240VAC, Output: 12VDC, max 2A Adapter lead length: 1m Measuring Accuracy: ±1% Output for Solenoid valve: 12VDC, max 5A Temperature Sensor: 0-100℃/32-212℉, NTC3950, Accuracy: ±1℃/±1℉ thread: M8 Max Total Volume : 999999 G/L Quantitative Range: 0-9999 G/L Flow Rate Range: 0-9999... Features
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 Walmeck Professional Laboratory Electrode Aquarium Hydroponic Spare Laboratory pH Electrode Probe BNC Controller Meter Connector Sale Price: $10.49 Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product DescriptionSpecifications: Type: Laboratory Electrode Model: pH/EC-983, pH/TDS-986 Suitable SKU: E1272, E1275 Display: Digital Display Probe Type: Sensitive Crystal Ball Bubble Range: 0.00 ～ 14.00pH Resolution: 0... Features
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 Tristar Digital Meter for Morningstar Tristar Charge Controllers List Price: Sale Price: $100.00 You save: $12.99 (11%) Eligible for free shipping!Availability: Usually ships in 3-5 weeks See Reviews For This Product DescriptionThis controller mounts directly to TS45 or TS60 charge controllers. Morningstar's TriStar Meter-2 (TS-M-2) and TriStar Remote Meter-2 (TS-RM-2) are advanced digital meters that may be used with any TriStarTM solar controller... Features
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 DC Programmable Meter Controller 0-200V 0-50A Volt Amp Power Ah Auto Shut Down Sale Price: $26.50 Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionThe DCM9040 Battery Monitor The unit is designed to monitor performance most kind of battery systems, it continuously monitors voltage, discharge current, number of power, consumed amp hours, these information leads to more efficient use of the battery, which can enhance battery life and reduce the risk of failure... Features
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 EDEALLINE 2.1" RC Cell Meter-7 Digital Battery Capacity Checker/Controller for NiCd / NiMH / LiPo / LiFe / Li-ion Sale Price: $6.42 Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product DescriptionBrand New Battery Checker Specification: *Input cells: LIPO: 2-7 cells LIFE: 2-7 cells Li-lon: 2-7 cells NiCd: 2-7 cells NiMH: 4-7 cells *Total Voltage: LIPO: Yes LIFE: Yes Li-lon: Yes NiCd: Yes NiMH: Yes *Total cell battery capacity(0-99%): LIPO: Yes LIFE: Yes Li-lon: Yes NiCd: No NiMH: No *Individual Battery cell voltage: LIPO: Yes LIFE: Yes Li-lon: Yes NiCd: No NiMH: No *Lowest cell voltage: LIFE: Yes Li-lon: Yes NiCd: No NiMH: No *Highest cell voltage: LIPO: Yes LIFE: Yes Li-lon: Yes NiCd: No NiMH: No *Voltage Difference Between Highest and lowest cell voltages: LIPO: Yes LIFE: Yes Li-lon: Yes NiCd: No NiMH: No Package Includes: 1 * Battery Capacity Checker Features
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 Aclorol WS2812B Digital RGB LED Strip 150 Pixels Individually Addressable 5V, WS2812B Programmable 5050SMD 30 LEDs/m LED Strip Dream Color IP67 Waterproof Work w/ Arduino & Raspberry Pi Controller List Price: Sale Price: $21.99 You save: $13.00 (37%) Eligible for free shipping!Availability: Usually ships in 24 hours See Reviews For This Product DescriptionWIDELY USED.For making led screen, led wall, advertising board, applied to hotel, KTV, Bars, commercial street atmosphere lighting and Wedding, Halloween, Christmas holiday décor. SAFETY & EASY INSTALLATION... Features
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 LtrottedJ 1M Thermometer Temperature ，Meter Digital LCD Display Sale Price: $1.99 Eligible for free shipping!Availability: Usually ships in 1-2 business days See Reviews For This Product DescriptionMini Thermometer Temperature Meter Digital LCD Display Feature:100% brand new and high quality.Quantity: 1Measuring humidity: 5%~80%Measuring temperature range: -50Celsius~110CelsiusTemperature accuracy: ±1 CelsiusTemperature display resolution: 0... Features
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Price: 38.21
Description: Health O Meter Baby Toddler Scale, 1.0 CT
Price: 12.48
Description: The Health O Meter Digital Tape Measure is an easy-to-use digital tape measure. Adjustable for measuring the circumference of eight different body parts, this Digital Measure makes checking weight loss or determining clothing sizes quick and painless. This body tape measure has a digital display and records the previous measurement for you. With 5' of flexible tape, this Health O Meter Digital Tape Measure is great for checking the effectiveness of weight-loss programs and your own efforts at staying slim. The digital display is easy to read from a variety of angles and has a simple, easy-to-use locking mechanism, which is controlled by a conveniently located button. Never have to guess your own size again with this body tape measure.
Price: 14.5
Description: Made from BPA-free, impact-resistant and dishwasher durable Eastman Tritan copolyester material, the Thermos 24-oz BPA-free Hydration Bottle with Meter keeps you hydrated and healthy. Features include a hygienic button lid with one-handed operation, a sip spout and a flip-up carrying loop.
Price: 17.71
Description: Thermos Nissan Intak Hydration Bottle with Meter, Purple Multi-Colored
Price: 17.76
Description: Thermos Intak Hydration Bottle with Meter, Pink Multi-Colored
Price: 14.98
Description: Discontinued TRUEresult Blood Glucose Meter Kit
Price: 22.86
Description: Acme United Corporation 10431EA Wooden Meter Stick, 39 1/2;;
Price: 4.94
Description: Avery Permanent Adhesive Postage Meter Labels, 1 1/2 x 2 3/4, White, 160/Pack
Price: 358.95
Description: Bosch - GLR825 - Bosch GLR825 825-Feet Digital Laser Distance Range Meter Measure w/ Viewfinder