Top 10 Frequency Counter Kit – Motion Detectors

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1. KOOBOOK

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KOOBOOK 1Set 1Hz-50MHz Frequency Counter Meter Crystal Oscillator Digital Tester Meter DIY Kit 5-Digital LED Display

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KOOBOOK #ad - The power supply can use a usb to 3. 5mm power cable, or you can directly input a 5-9V DC power supply at the - and + pads. You need to solder and assemble by yourself, the signal is input with the standard signal source, all the components are directly inserted, and the wire is printed correctly according to the PCB.

This is a pic microcontroller based on the frequency meter, with a crystal measurement function and programmable addition and subtraction frequency settings. Five digital display, all use of in-line components, easy and intuitive, the circuit is simple and easy to produce.

It can measure the frequency range from 1 hz to 50 megahertz 1Hz-50MHz, can measure the oscillation frequency of most common crystal oscillators, and measure equipment such as radio transceivers. After welding, and the yellow adjustable capacitor is adjusted to make the display value equal to the signal frequency.
BrandKOOBOOK #ad
ManufacturerKOOBOOK #ad
Part NumberKB260

2. Zripool

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Zripool High Accuracy Frequency Counter Tester Measurement RF Meter 1~500 MHz Tester Module For ham Radio

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Zripool #ad - Standard interface for easy connections with other tests or antennas. Higher reliability and durable quality. 0802 lcd display, low-power consumption. Wide range: 1~500 mhz, 100Hz resolution. Input is via an SMA jack female.
BrandZripool #ad
ManufacturerZripool #ad
Part Numberas11

3. Yosoo

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Yosoo High Accuracy 1~500 MHz Frequency Counter Tester Measurement

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Yosoo #ad - Simple construction, Compact Design and Easy to carry. Wide range : 1 ~ 500 mhz, 100Hz resolution. 0802 lcd display, low-power. Input is via an SMA jack female. Standard interface for easy connections for other tests or antennas. Package included : 1 X High Accuracy Frequency Counter Batteries not included.
BrandYosoo #ad
ManufacturerYosoo #ad
Part NumberCECOMINOD026263
ModelCECOMINOD026263

4. AstroAI

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Transistors, TRMS 6000 Counts Volt Meter Manual and Auto Ranging; Measures Voltage Tester, AstroAI Digital Multimeter, Resistance, Frequency; Tests Diodes, Continuity, Temperature, Current

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AstroAI #ad - Ideal for commercial settings where it can handle the demands of a long workday, from the durable exterior to the wide range of heavy-duty capabilities. Ease of use: convenient features like data hold, Large LCD Backlit Screen, Auto Shut-off and Hanging Magnet, and Kickstand make taking and recording measurements easier than ever before.

Built-in f400ma/600v and f10a/600v explosion-proof ceramic fuse tubes; double protection, more secure and reliable; The fuses can protect the multimeter effectively; Overload protection on all ranges. Wide range of tests for voltage, Resistance, Continuity, frequency; Tests Diodes Transistors, Current, Capacitance, Temperature. Professional level features include auto-ranging capability, and True RMS for measuring both AC Current and Voltage. Note: please take off the cap before using the test leads. 3 year warranty provided by AstroAI.
BrandAstroAI #ad
ManufacturerAstroAI #ad
Height6.69 Inches
Length8.66 Inches
Width2.28 Inches
Part NumberDM6000AR
ModelWH5000A

5. crenova

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Crenova MS8233D Auto-Ranging Digital Multimeter Home Measuring Tools with Backlight LCD Display

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crenova #ad - Backlight display designed with 3 1/2 digit LCD display and 'Backlight', showing the reading clearly in low light areas. Sampling Speed: 3 times per second. Overload Protection on all ranges. Special points data hold, maximum value Hold, Function Switching, Auto Power OFF. 9v batterydon't forget to install the 9V battery before using the digital multimeter, or it will go on strike. 100% safety assurancebuilt-in Double Fuse. Auto-ranging testeraccurately measure AC/DC voltage, resistance, diode, continuity, AC/DC current, frequency, etc.
Brandcrenova #ad
ManufacturerCRENOVA #ad
Height1.6 Inches
Length5.5 Inches
Weight0.71 Pounds
Width2.8 Inches
Part Numberms
Model8542039425

6. AstroAI

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Frequency; Tests Diodes, TRMS 4000 Counts Volt Meter Manual and Auto Ranging; Measures Voltage Tester, Current, Continuity, Temperature Red, Resistance, AstroAI Digital Multimeter

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AstroAI #ad - 3 year warranty provided by AstroAI. Professional level features include auto-ranging capability, and True RMS for measuring both AC Current and Voltage. Wide range of tests for ac/dc voltage, Continuity, AC/DC Current, resistance, Capacitance, Frequency and Temperature; Tests Diodes.

Ease of use: convenient features like data hold, Large LCD Backlit Screen, Kickstand, and Low Battery Indicator make taking and recording measurements easier than ever before. Ideal for commercial settings where it can handle the demands of a long workday, from the durable exterior to the wide range of heavy-duty capabilities. Safety first: two integrated fuses rated at f500ma/600v and f10a/600v; Explosion-proof ceramic fuses provide maximum safety; The fuses can protect the multimeter effectively; Overload protection on all ranges.
BrandAstroAI #ad
ManufacturerAstroAI #ad
Height4.25 Inches
Length1.53 Inches
Weight0.72 Pounds
Width6.11 Inches
Part NumberMT132A
Model132A

7. Meterk

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Meterk EMF Meter Electromagnetic Field Radiation Detector Handheld Mini Digital LCD EMF Detector Dosimeter Tester Counter

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Meterk #ad - Data hold & max measurement - One-key lock the radiation value. Large & clear lcd display - of the values for easy reading. Emf meter function - Testing the magnetic field for home use mainly. Measure radiation - of tv, induction cooker, for low-frequency home appliances, rice cooker, electrical wires, computer, refrigerator, etc. Sound-light alarm * when the test result exceeds the safe value, the instrument will alarm automatically.
BrandMeterk #ad
ManufacturerMeterk #ad
Height1.18 Inches
Length6.5 Inches
Width3.03 Inches
Part NumberMK08
ModelMK08

8. Meterk

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Digital Clamp Meter Meterk 6000 Counts TRUE RMS NCV AC/DC Voltage Auto Range AC Current Clamp Multimeter Capacitance Resistance Frequency Temperature Measure Black Digital Clamp Meter

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Meterk #ad - High resolution and low battery indication. The flashlight access convenient AC current measurement in the dark. Data hold, auto range and auto power off. You will getmeterk digital clamp meter, 1 pair of test probe, user manual English + French + German + Italy + Spanish, 3 AAA BatteriesInside the Clamp meter, 1 Temperature Probe, 1 Storage Bag.

Light and sound alarm if detects the AC voltage6-600V or live wire. Easy to use and read with large lcd screensmall and portable to carry and use. Shows "ol" on the LCD if over range. Multi-purpose clamp meter with true rms auto-RangeAccurate AC/DC voltage, frequency, diode, AC current, duty cycle, capacitance and resistance measurement.

Continuity test & over load protectiondesigned to safely and accurately confirm the circuit conducts electricity with low voltage indication and overload protection. With ncv&live line test functionnon-contact voltage detection function with a sensor to detect voltage and avoid electric shock without touching any wires.
BrandMeterk #ad
ManufacturerMeterk #ad
Height1.38 Inches
Length8.19 Inches
Weight0.56 Pounds
Width3.07 Inches
Part NumberMK05
Model5841751555

9. TURBRO

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Honeywell, Haier, Whirlpool, Delonghi, Clockwise Thread, Compatible with Whynter, TURBRO Portable Air Conditioner Universal Exhaust Hose, 5 Inch Diameter, 78 Inch Length, Toshiba

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TURBRO #ad - Repeat on the other end of the hose to attach to the second coupler. Expandable hose the shortened length of the hose is 16 inches. You can extend the hose up to 78 inches. Easy installation fully expand the end of the hose, align with the coupler, and rotate the coupler counter-clockwise to twist onto the hose.

100% satisfaction guarantee don’t know how to choose the correct size? worried about installation? Receive a defective item? For any issues or concerns, you can easily contact us on Amazon or directly via our brand's official service email. Step 2 - make sure your original hose has a clockwise threading direction. Universal & durable design turbro exhaust hoses are sturdy and long-lasting with no nasty chemical odors, making them a perfect replacement for your cracked portable AC exhaust hose.

Our hose fits most popular portable ac models that use a 5-inch diameter hose, such as Whynter, Haier, Toshiba, Delonghi, Honeywell, Whirlpool and many more. Please double check the diameter and screw direction on pictures 2 and 3 before purchase. Before you buy step 1 - make sure your original hose diameter is 5 inches from outer edge to outer edge. Refer to pictures 3 and 4. Turbro replacement exhaust hoses are longer than most original hoses, making them more flexible for use in large areas.
BrandTURBRO #ad
ManufacturerTURBRO #ad
Height5 Inches
Length16 Inches
Width5 Inches

10. Bafx Products

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Decibel Meter/Sound Pressure Level Reader SPL / 30-130dBA Range, 1 Year Warranty, BAFX Products

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Bafx Products #ad - Up to 30 hours of continuous use on a single 9V battery. Features - automatic backlit display for easy visibility in dark situations. Simply turn on and get a reading! large easy to read backlit display with a MAX/MIN function to know the MAX and MIN dB levels recorded by the meter.

This way you will only be paying for what you really need in a sound meter, a decibel reading. Warranty - 1 year no hassle manufacutrer warranty against all manufacturing defects with friendly and responsive USA based support staff who will be happy to help with any and all questions or concerns! Max/min hold feature for measuring absolute high/low peaks. All readings are measured in dba, the most common decibel reading for most all applications, home and commercial.

Versatile - a great basic sound meter for use across the spectrum in many different fields from music recording, neighbor noise complaints, office settings, industrial settings, speech therapy & more. Sampling rate of 2x/Second. Easy - super easy and simple to use. 1. 5dba with 01dba resolution & measuring range of 30-130dBA. Automatic power off feature to save battery life easily disablable.
BrandBafx Products #ad
ManufacturerBAFX Products #ad
Height1.5 Inches
Length6 Inches
Weight0.2 Pounds
Width2 Inches
Part NumberBAFX3370
ModelBAFX3370