Reviews Sound Frequency Meter

ennoLogic Decibel Meter and Recorder eS528L with Updated 2023 Software – Digital Sound Level Meter Noise Logger and Tester – Max/Min/Hold Range 30-130 dBA

...nd proof doors and windows. Measure how quietly your air conditioning runs, or sound levels of home appliances. Or take this meter to a store to compare the noise level of appliances or air conditioners before purchasing..
RELIABLE AND ROBUST DECIBEL METER: Measurement range 30-130 dBA, accurate to ±1.5 dB. A and C frequency weighting. Fast and slow response. MAX reading display and ANALOG BAR GRAPH DISPLAY. Analog outputs (DC and AC). Large 1.5” LCD display with BACKLIGHT, easy to read even from a distance. Tripod mount (tripod not included). External power option. Auto power off. Comes with 9V battery, Software CD (Windows only), USB cable and user manual. 10 YEAR WARRANTY..

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.

Designed for studio, broadcast and mobile applications, and carefully crafted with key metal components for lasting durability. Magnet-Neodymium.
Uses the same large aperture drivers as ATH M50x headphones, delivering exceptional clarity, extended frequency range, and accurate bass response.
Low profile, closed back, on ear design provides excellent sound isolation and a great fit.
Memory foam ear pads and headband provide excellent comfort and durability.
Comes with 3 interchangeable cables (1.2 meter, 3.0 meter coiled, 3.0 meter straight, and 1.2 meter straight each with a 3.5 millimeter (1/8 inches) mini plug).
Also comes with a 6.3 millimeter (1/4 inches) screw on adapter and a protective carrying pouch.

High frequency transducer: XStat CLS electrostatic transducer.
Low frequency driver : 8" high excursion, high-rigidity doped fiber cone with extended throw drive assembly, non-resonance asymmetrical chamber format.
MicroPerf panel is housed within a radical aluminum and composite AirFrame.
129 square inches of sound radiating surface on both the front and back.
Proprietary Vojtko topology filter utilizing custom air core coil and low DCR steel laminate inductors, polyester film capacitors in series, and low DF electrolytic capacitors in parallel.
Frequency response: 42 - 22,000 Hz ±3 dB, Sensitivity: 91 dB/2.83 volts/meter.
Recommended amplifier power: 20-300 watts per channel.
Dimensions: 52.1" high, 9" wide, 16.3" deep.

Noise dosimeter, sound level meter and data logger. Personal sound exposure meets IEC 61252, ANSI S1.25.
High accuracy of ±1.0dB meets Type 2 standards..
Designed to meet noise survey requirements for compliance with OSHA and CCOHS regulations.
A and C frequency weighting & Fast and Slow time weighting, Data hold and Min/Max hold, Adjustable Criterion Level, Exchange Rate and Threshold, & Tripod mount for long-term monitoring.
Includes: - Dosimeter - Microphone with Clip - Wrist Strap - Carrying Case - Batteries.

EASY TO USE :The logarithmic power meter adopts AD8317 chip design, which is convenient to use, small in size, high in efficiency, easy to install, stable and reliable, and is used for radio frequency signal power detection..
DETECTABLE :The logarithmic power meter has strict quality control and quality assurance. It can detect the power of the radio frequency signal from -55dBm to 0dBm, and convert the radio frequency signal into a DC voltage output..
DYNAMIC RANGE :The greater the amplitude or power of the radio frequency signal, the higher the output voltage, and the output voltage is proportional to the logarithm of the input signal amplitude, thereby expanding the dynamic range of the detection signal to 55dB..
WIDELY USED :The logarithmic power meter adopts advanced technology and exquisite craftsmanship, and has been improved to improve durability. Logarithmic detector can be widely used in radio frequency signal detection, signal power measurement, and environmental field strength detection..

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.

Measure All EMF Radiations: AC magnetic, AC electric, and RF radio frequency filed for detecting Power line, Smart meter, Cell phone, Bluetooth, Microwave etc..
Clear and Informative Readings: 2.4" IPS screen display with Hold, Max, Peak, Alarm text and color features to comprehend the full scale of the EMF radiation.
Histograph View and Sound Feature: Intuitively show the signal changing process and help to find signal source direction or record bursts.
Frequency Response: Detects EF, MF, 5G network signal and RF from 50hz up to 8Ghz. Note: Please hold the meter uprightly and do not cover the top sensors.
Theme Feature, Highlight Backlit and Rechargeable: Black color theme, constant or highlight backlight feature are available. Built in rechargeable battery.

【Sound-Light Alarm 】When the test result exceeds the safe value that you have setted up, the instrument will alarm automatically. It's widely used to test and learn electromagnetic radiation situation indoor and outdoor. Suitable to measure the electromagnetic generated machine, measure low-frequency appliance and high-frequency radiation appliance..