ReviewsFrequency Detection Meter

Tenma 72-7228 True RMS Compact Clamp Meter

【Reliable Clamp Multimeter with True RMS】Accurate AC/DC voltage current, resistance, capacitance, frequency, temperature, diode, continuity test and non-contact AC voltage detection, the Clamp Meter is fully functional and easy to use for labs factories radio-technology and household..
【Auto-Ranging with NVC】The meter will automatically select the appropriate auto range.
NCV detects the existence of AC voltage on conductors and cables in-wall, troubleshooting electrical problems in a safe and user-friendly way.
【Clamp Measuring】Clamp jaw measures AC current up to 28mm without interrupting the circuit, which makes it much safer to use on mains cables and high current loads in vehicles.
【Continuity Test & Overload Protection】 Designed to Safely and Accurately Confirm the Circuit Electricity with Low Voltage Indication and Overload Protection. Light Alarm If Detects the AC Voltage(90V-1000V) or Live Wire..
【Features】high resolution, large backlit LCD screen and clamp light to improve visibility in dark place. Low battery display and automatic power off after 15 minutes inactivity. A soft zippered pouch included keeps everything neatly together and organized.
portable to carry and use. Widely used in your life..

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Decibel Meter Wall Hanging Sound Level Meter 30-130dB Range 11 Inch Large LED Display Noise+Time+Temperature & Humidity Meter Wide Applications for Home, Studio, Factory, Classroom Noise Monitor

...els of decibels, time, temperature and humidity..
【High Precision】: This sound level meter uses an intelligent air semiconductor sensor to test decibel temperature and humidity values. Compared with ordinary sensors, it is more sensitive, accurate and stable. The measurement range is 30~130dB, accuracy: ±1.5dB, frequency response range: 50Hz~8.5KHz.
Temperature range: 14~122℉, accuracy: ±5%..
【Wide Application】: This noise monitor is a great tool for checking, monitoring or controlling and testing the sound level of any environment and can be applied to noise engineering, product quality control, health prevention and treatment, etc. This large LED display decibel meter can be hung on the wall or placed on a table, making it an ideal noise meter for testing sound levels in classrooms, studios, major traffic routes, factories, construction sites, homes, offices, etc..
【Easy to use】: This intelligent decibel meter is ready to use, click “▲” to enhance the brightness, click “▼” to reduce the brightness, click “M” to adjust the detection speed, there are three gears: fast, medium and slow. Double-click “M” to adjust the time..
【Charge-Friendly】: This decibel meter built-in 2000mA....

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Decibel Meter, Tadeto Digital Sound Level Meter Portable SPL Meter 30dB to 130dB Backlight LCD Display, MAX/MIN Noise Measurement, Data Hold, A/C Mode for Classroom, Office, Factory

...Accurate Measurement】 The measuring range of the sound level meter is 30dB to 130dB and shifting function(5 adjustable measurement ranges) . Highly accurate with ± 1.5 dB. Real-time monitoring can give you accurate data on the sound level in the area..
【A/C Weighted Measurement】 The A weighted simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise. The C weighted simulates the frequency properties of high-intensity noises of the human ear, which are suitable for the sound pressure analysis of machine motors and machines. More professional measurement methods provide users with a more perfect user experience..
【Fast and Slow Measurement】 The sound level meter has the function of converting the fast and slow response rate. The fast response rate uses a time constant of 0.125s/time for general environmental measurement. The slow response rate uses a 1s/time constant, which is used for environmental measurements with relatively large changes in noise levels..
【Backlight Display 】 Large backlight LCD digital display, the reading effect is clearer in dark places. When the battery is low, the LCD display will display a low voltage icon, indicating that the power is low at th....

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AC Frequency Meter LED Digital Display 20-75 Hz Signal Ac Hz Frequency Indicator Light ST16HZ Round Red White Blue Green Yellow (Blue)

MAIN FEATURE---Produce Name: LED Hz Indicator.
Applicable: circuit frequency measurement.
20-75Hz MEASUREMENT RANGE---The AC frequency meter is of wide measurement of 20-75Hz.
HIGH ACCURACY---The AC frequency meter is of high accuracy of ±2%, helping to provide you reliable data.
CLEAR DISPLAY---Made of high quality material, the AC frequency meter is of clear display, exquisite workmanship, long service life, and stable working performance.
5 COLORS---The AC frequency meter is of 5 different colors, red, white, blue, green,yellow, you can choose one according to your preference.

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Escort Passport 8500 X50 Radar Detector Extended Long Range, AutoMute, AutoSensitivity, Audible Alerts, Adjustable LED Display, Signal Strength Meter, Grey, 1.25

...ng, AutoSensitivity Mode Automatically Reduces False Alarms, EZ-Programming Allows Instant Customization.
Operating Bands : X-band 10.525 GHz 25 MHz, K-band 24.150 GHz 100 MHz, Ka-band 34.700 GHz 1300 MHz, Laser 904nm, 33 MHz Bandwidth..
Radar Receiver / Detector Type : Superheterodyne, Varactor-Tuned VCO,Scanning Frequency Discriminator,Digital Signal Processing (DSP).
Laser Detection : Quantum Limited Video Receiver,Multiple Laser Sensor Diodes.
Enhanced Radar Protection:Our enhanced "V-Tuned" radar receiver provides extreme long range warning on all radar: conventional and "instant-on" including POP mode, X-band, K-band, and SuperWide Ka-band. Digital Signal Processing (DSP) provides maximum range, with minimum false alarms.
Exclusive AutoSensitivity Mode:ESCORT's patented AutoSensitivity mode intelligently identifies real threats from other radar sources. Plus, our exclusive Traffic Signal Rejection (TSR) software rejects interstate traffic sensors making it quiet to own and operate.
High-Performance Laser Protection:PASSPORT's multiple high-performance laser sensors provide maximum laser warning, with superior off-axis protection. For the ultimate in laser protection add the optional ZR4 Laser Shifter.
Three-Levels of Brightness Control:Choose betwe....

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Discover It - iProtect 3 Band RF Anti-Spy Counter Surveillance Radio Frequency Bug Detector - Detect Listening Devices, Hidden Cameras, GPS, WiFi, Bluetooth, GSM, 3G, 4G/LTE, 2.4, and 5.8Ghz Signals

"THE DISCOVER IT - iPROTECT DD1216 - 3 BAND RF ANTI-SPY COUNTER SURVEILLANCE RADIO FREQUENCY BUG DETECTOR HAS GIVEN ME PIECE OF MIND!" - Did you know that countless families, businessmen & women and corporations have relied upon the Discover It - iProtect 3 Band RF Anti-Spy Counter Surveillance Radio Frequency Bug Detector to ensure their MAXIMUM level of privacy and security? Get ready to experience your greatest level of personal privacy yet!.
THREE BANDS OF DETECTION - Did you know that the detection frequency range of the Discover It - iProtect 3 Band RF Anti-Spy Counter Surveillance Detector has been split into 3 parts, each displayed by a separate bargraph: "VHF/UHF 50-700 MHz", "Mobile and wireless 700 MHz – 3 GHz" and "Microwave and wireless 3-12 GHz". Allowing the operator to understand what type of signal is detected, to detect several signals simultaneously and to sustain the ability of detection near sources of interference.
HAVE AMAZING PROFESSIONAL 5 STAR RESULTS WITHOUT QUESTIONING THE DETECTION RESULTS - Do you want to have amazing 5 STAR detection results each and every time you scan your home, car, office & conference board room or hotel room? Its never been easier to sweep and detect hidden bugs, hidden cameras or malicious RF sign....

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Uniden DFR8 Super Long Range Laser and Radar Detection, Advanced K/KA Band Filter, Voice Notifications, Ultra-bright Multi-Colored OLED Display

Ultra-performance, Super Long Range Laser / Radar Detection with Voice Notifications.
Advanced K Band Filter and Radar Band Frequency Display.
Micro USB Cord included. Cigarette charger with MUTE key. Carrying Case Included..

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Signal Generator, Multi-Function LHT00SU1 Oscilloscope 2 Channel Input Virtual Oscilloscope Logic Analyzer USB Logic Analyzer

【Supported Protocols】Serial Peripheral Interface, IIC, UART, SMBus, I2S, CAN, Parallel, Custom, Search, Async, 1-Wite, PS / 2.
【Multi Purpose】8-channel logic analyzer, Data Logger. PWM controller, Frequency generator. Frequency meter, Remote controller.
【Dual Channel】Dual channel voltmeter, Mixed signal oscilloscopes and logic analyzer, Dual input oscilloscope (single, 16Msps, 3MHz bandwidth).
【Frequency Meter】PWM controller, Frequency generator. Frequency meter, Remote controller.
【100% Guarantee】High quality product, we promise to do everything possible to satisfy all customers. However, if you are not 100% satisfied with our service or our products, simply contact us. We are always at the side of our customers to support and continuously seek new ways to improve.

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Smart Meter Cover,Electric Meter Cover Shield, Faraday Cage Protection RF Shield Guard Block 5G with Adjustable Bottom Meter Cover

... other sicknesses and neurological problems. We think we are keeping our children safe and we do not realize how much danger we are putting them in by exposing them to all of these electromagnetic toxins. While this Smart Meter Cover could protect us..
2.√√√[Features and Functions]blocking 99% of harmful radio frequency,block yellow dust and fine dust to protect Smart Meter.This Smart Meter Cover can reduce the radiation levels of electromagnetic fields and rediofrequency emitted by smart electric meters.Eradication of ringing in the ears caused by the radiation emitted by smart electric meter.Eliminates headaches caused by EMF and Rf radiation..
3.√√√[QUALITY MATERIALS]The radiation shielding Smart Meter Cover is made by Copper/ Nickel/Polyester Fiber which is certified to provide 99.999%protecting across the frequency range of 10KHz to 3GHz.The Smart Meter Cover could reduce the radiation and emf emitted from Smart Meter.Using adjustable nylon ribbon to fix the cover, compared with stainless steel ring, more safety and better sealing.You can adjust it loose or tight as needed..
4. √√√ [BIG SIZE MEETS MOST SMART METER]The size of the Smart Meter Cover is 7IN * 4IN, is suitable for most round samart meters in the US and Canada. Owning ....

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UNI-T UT202F Digital Clamp Meter AC Current TRMS Volt Ohm Amp Meter HVAC Clamp On Multimeter Auto Ranging 6000Counts AC Current Frequency NCV DC AC Voltage Frequency Resistance Continuity Diode Tester

Auto ranging & True RMS. UNI-T UT202F clamp on multi tester. NCV detection. Versatile for diagnosing industrial electricity, air conditioning, hvac, automotive, household electrical issues, etc..
6,000 counts. Measures AC current (600A max), AC current frequency (Hz), AC/DC voltage (600V max), AC voltage frequency(Hz), Resistance (Ω), Capacitance (F), Frequency (Hz), temperature (°C/°F)..
Safe & Durable. Safety rating CAT III 300V, CAT II 600V. Low battery indicator. Auto power off. Continuity test. Diode test. MAX/MIN. Nonslip rubber grip and easy to carry..
Easy to use with 28mm jaw opening. Large digit LCD screen. What you get: 1 x UT202F clamp meter, 1 x UNI-T test leads(pair), 1 x carrying case (black), 1 x gift box, 1 x paper manual, 1 x e manual..
A trouble-free experience with 100% 18-month warranty and 100% money back guarantee by UNI-T Direct!.

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Hidden Devices Detector，Hidden Camera Detectors，Anti Spy Detector，Bug Detector， Listening Device Detector, RF Signal Detector

...The sensitivity can be changed by altering the potentiometer，Effective detection of 30㎡ range area。 (increase sensitivity, widen detection range, reduce sensitivity, shorten detection range, and identify radio wave sources faster and more accurate.).
【Multiple Detection Modes】more detection modes: 1. radio frequency wireless signal detection 2. UG magnetic field signal detection 3.LED signal display detection.4. flashlight auxiliary lighting，Radio frequency detector can detect radio waves, 2G, 3G, 4G mobile signal, SIM card bug. Frequency detection range 1Mhz – 6.5Ghz..
【Durable and Lightweight】Light weight, small size, suitable for various places, such as hotels, conference rooms, bathrooms, locker rooms, residences, offices, examination places.Built-in rechargeable battery, after charging can be standby time can up to 30 days, no need to replace the battery.More convenient to use and carry..
【Easy to Use】Although the product has many functions, but the use of the method is very simple, only through the “mode button” and “sensitivity adjustment button” can be switched between a variety of functions, even a novice can quickly master the use of the method.Krevi.

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