Reviews Frequency Measurement Tool

EMF Meter 5HZ-3.5G, ENGiNDOT Digital LCD EMF Detector, 3-in-1 EMF Tester, Ghost Hunting Equipment, Electromagnetic Radiation Detector, Temperature Detector, EMF Inspections

  • 【Larger Frequency Range】The measurement frequency range is larger up to 5HZ-3.5G, The home EMF inspector can be used to test TV, induction cooker, refrigerator, cell phone, computer, electrical wires, WIFI signal, wire tower, and any other low-frequency home appliances, etc..
  • 【Accurate Measurement】This EMF meter tests electromagnetic field range from 0.1 to 199.9mG with a resolution of 0.1mG/0.01µT. Detects electric field range 1-1999V/M with 1V/M resolution and tests ambient temperature range 32-122℉..
  • 【How Does it Aid Your Life】 Scientific test tool aids for students assignment projects, people who want to have DIY home EMF inspections to eliminate radiation risks that potentially deteriorate your family’s health..
  • 【Multifunction】 This EMF reader meter has multiple functions includes data hold & max measurement, one-key to lock the data, manual/auto shut off, safe value setting, and large LCD display of the values with the sound light system. All designed for your convenience..
  • 【Paranormal Research】 This EMF tester is a compact to use while travel. It is an aid-on analysis tool for parapsychologist research, visitor for haunted house inspection, and hotel inspections, also made for people with pure curiosity..
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Professional Upgraded DDS Signal Generator Counter, Seesii 60MHz LCD Display High Precision 200MSa/s Dual-Channel Arbitray Waveform Function Generator Frequency Meter

  • ...e, Sawtooth wave, Pulse wave, white noise, user-defined waveform etc. each channel can be independently set the parameters.Duty cycle of each channel can be adjusted separately. Precision can be 0.1%..
  • 【Frequency Meter】With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement and counting function.The settings allow you to enter up to 20volts.
  • 【Lightweght Compact and Portable】With intuitive control panel, you can easy to control.This Signal Generator is the ideal instrument for electronic engineering, laboratories, production lines, teaching and scientific research. This is an important tool for both experts and newcomers.
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YWBL-WH AC Round Frequency Meter LED Digital Display Hz Frequency Indicator Light

  • 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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Decibel Meter RISEPRO® Digital Sound Level Meter 30 – 130 dB Audio Noise Measure Device Backlight MAX/MIN Data Hold Auto Power Off Dual Ranges HT-80A

  • USEFUL TOOL IN YOUR WORK & LIFE – This sound level meter is a great tool for checking, monitoring or controlling the sound level of any environments. It is widely applicable for personal, families, business, studies, industrial and etc..
  • WIDE RANGES & ACCURATE MEASUREMENT – It measures range from 30 – 130 dB with frequency range from 31.5 to 4Khz. Highly accurate with +/-1.5dB..
  • TIME WEIGHTING & FREQUENCY WEIGHTING – FAST(125mS) for time weighting. TYPE A for frequency weighting..
  • HOLD , MAX & MIN, AUTO POWER OFF, BACKLIT – Including all useful features such as data hold, max recorded reading and min recorded reading as well as auto power off. Backlit feature allows use of this meter in the dark..
  • GIFT BOX PACKAGE - Black carrying pouch and premium color gift box are come with the meter..
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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....
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DIMMAIRY Decibel Meter, Digital Sound Level Noise Meter Measurement 30-130dB Backlight MAXMIN, Data Hold Auto Power Off Dual Ranges,Black

  • ✔ 003cb003e【Higher accurate & wider frequency range】003c/b003e : Handheld Sound Level Meter calibrated to the standard source in advance by our factory, measurement 30 - 130 dB with frequency range from 31.5Hz-8.5KHz.Highly accurate with +/-1.5dB..
  • ✔ 003cb003e【Smart design】003c/b003e : Mini digital noise meter with data hold function,maximum and minimum value measurement.Temperature measurement function and temperature unit selection(℃/℉). LCD display with backlight,convenient to use at night..
  • ✔ 003cb003e【Stable and reliable】003c/b003e : LCD decibel test with stable and reliable performance.Low battery indication, automatic & manual power off function.Equipped with sponge ball for sensor protection. Red back light alarm and sound alarm function..
  • ✔ 003cb003e【Wide application】003c/b003e : Audio Noise Measure Device with alarm and digital is a great tool for checking, monitoring or controlling the sound level of any environments. Best suit for personal, families, business, studies, industrial and etc..
  • ✔ 003cb003e【What you get】 003c/b003e: 1x Sound Level Meter (battery not include ), 1x user manual, 1x Perfect package box (If you have any problem , please do not hesitate to contact us, our support team will solve your pro....
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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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Testo 770-2 Digital Clamp Meter – Multimeter T-RMS for Hands-Free HVAC Measurements, Current, and Frequency Testing – Voltage Tester incl. Automatic Range Detection and thermocouple Adapter

  • The testo 770-2 amprage tester is ideal for electric testing on refrigeration, air conditioning and heating systems and allows for quick and convenient application.
  • With its sensitive sensors, the volt meter offers precise readings of TRMS, frequency, as well as inrush, resistance and temperature measurements.
  • Thanks to the unique hook-on function the amp clamp can grab hard-to-access wires without using hands. The retractable post of the HVAC tool releases the wires after testing.
  • Includes the 770-2 hook-clamp voltage meter, 3 AAA Batteries, one set of measuring cables, and one adapter for type K thermocouples.
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NanoVNA 10KHz-1.5Ghz Vector Network Analyzer, Fit V3.4 HF VHF UHF，JUNSHUNTONG Voltage Standing Wave Ratio, Mini Antenna Analyzer Measuring S Parameters，Phase，SWR Meter，Smith Chart

  • 【Tiny DIY Product】 This Nanovna antenna analyzer is a DIY product, in the size of the credit card size as far as possible to provide perfect vector network measurement function. It contains a 2.8-inch touch screen, 450mah battery, which can be used offline for 3 hours..
  • 【Accurate,Portable and Easy to handle】 This tiny vector network analyzer is a truly handheld and measurement licensed microwave band, and consists of original equipment, which is dedicated to its own frequency range and reasonable price..
  • 【Fit 10KHz-1.5GHz Frequency 】 Battery powered spectrum compact equipment does not need an external down converter or connection with a PC. It is a necessary tool for any field engineer to perform microwave equipment installation, link troubleshooting, site planning and maintenance in the field environment..
  • 【Metal Shield】The metal shield is designed to reduce external interference and improve the measurement accuracy. Its frequency algorithm can be extended to 900MHz with the odd harmonics of si5351. The direct output 50k-300mhz band can provide better than 70dB dynamic, the expanded 300m-600mhz band can provide better than 50dB dynamic, and the 600m-900m band can provide better than 40dB dynamic..
  • 【Note】 Free software is available wh....
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Capacitance Meter - LCD Digital Capacitance Meter Capacitor Tester mF uF Circuit Gauge

  • Appearance parameters: 2.8-inch TFT display, 4-bit semi-display.
  • Display digit: Main parameters: 5 bits, secondary parameters: 5 bits.
  • Test Frequency 100Hz, 120Hz, 1KHz, 10KHz, 40kHz, 100KHz.
  • Easy To Use: Supporting DC Resistance and Electrolytic Capacitance Measurement.
  • Automatic Recognition of Component Measurement.
  • Support screening and deviation measurement.
  • OtherFunctions: Adjustable measuring speed, manual and automatic range.
  • Short circuit correction with open circuit.
  • Applicable scene: Ideal for COMMERCIAL settings , large capacity lithium battery power supply can handle the demands of a long workday, Has a durable appearance and a wide range of functions...
  • Additional Tips: This Capacitance ResistanceTester designed to troubleshoot a variety of automotive and household electrical problems safely and accurately. It’s a suitable tool if you want to do some household or commercial improvements whether Diyers or Hobbyists. Combined with amazn's excellent delivery.We will provide quality after-sale technical support..
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Decibel Meter, CURCONSA SPL Meter, Portable Sound Level Meter, 30dB to 130dB, LCD Display, can be Used in Homes, Factories and Streets（Blue）

  • ...】 The measuring range of the sound level meter is 30dB to 130dB with fast response speed and stable and reliable performance. Sound level meter is a high-precision noise meter with an accuracy of ± 2.0 dB. Real-time monitoring can give you accurate data on the sound level in the area.
  • ❤【A / C Double-weighting Measurement】 The A-weighting simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise. The C-weighting 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 Response Rate Conversion】 The spl meter has the function of converting the fast and slow response rate. The fast response rate uses a time constant of 125 milliseconds for general environmental measurement. The slow response rate uses a 1 second time constant, which is used for environmental measurements with relatively large changes in noise levels.
  • ❤【Maintain the Maximum Value】Long press the MAX key to lock the maximum value measured during the measurement. Note that db meter does not have data ....
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AmazonCommercial 2000 Count Pocket Compact Digital Multimeter, NCV, CATII 600V

  • Compact handheld digital multimeter for taking voltage and frequency measurements.
  • Compact size fits easily into a pocket or on a tool belt.
  • Backlit LCD display with measurement saving function.
  • Includes manual ranging and data hold, NCV test, 600V AC/DC, and 200mA DC.
  • Included components: test leads, 12V battery, user manual.
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PAGOW 10pcs Multimeter Test Hook Clip, Electrical Testing Colorful Test Grabber Probe, for Testing Electronic Components Mini Grabber Clips

  • Non-contact AC Voltage Measurement Tester - probe type induction, plastic insulation, The tester will flash and beep when the device close to AC Voltage greater during the specified Voltage range without touch the measured object, to ensure the safety of the human body, more convenient monitoring..
  • Safely Sound & light Alarm Tester Pen- distinguish the live and Null wire through different frequency alarm sound. The higher the voltage, the higher the audible alarm frequency and rate of flashing lights great, even in noisy environments..
  • Accurately Multi-ranging Measurement - The electrical tester accurately detects AC Voltage ranging from 12V to 1000V, and distinguish them into 3 Voltage levels (low, moderate, high). NCV sensitivity automatically adjusts from low, medium and high while indicating Voltage level with audible beep..
  • Low Voltage Indicator & LED Light - The shining prompt of low voltage LED and alarm of the power tester pen can warn you to replace the battery in time, while the LED light allows operation even in dark environment..
  • Auto Power Off Tester -The electrical tester operated with 2 x 1.5V AAA batteries(not included), auto power off after no operation for 3 minutes to save energy. Lightweight, durable construction with convenient pocke....
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