ReviewsDigital Frequency Range Meter

XUNTOP EMF Meter Reader EMF Detector Handheld Digital Electromagnetic Field Radiation Detector with LCD Backlight Sound-Light Alarm Max Average Value Lock for Home Office Industrial Site

...9.9mG with a resolution of 0.01uT/0.1mG. Detects electric field range 1-1999V/M with 1V/M resolution. Can test invisible radiation to make sure you have a healthy and safe life. 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..
【3 Colors Sound-Light Alarm 】XUNTOP EMF Meter is built-in signal strength prompt speaker, and will trigger sound-light alarm when the radiation data exceeds the safe range (Electric field > 40 V/M and Magnetic field> 0.4µT)-the detector will flash red and alert the user via an alarm sound automatically, also shows "safe" and "harmful" on the LCD display which make the result more easier to understand. Long press the “UNIT” can turn off the sound.
【Easy and Convenient to Use】Data retention to lock Peak Value (Maximum)/Average Value by one key for review. It is a good helper to check out whether the place is radiation-free. Measure both magnetic field radiation and electric field radiation at same time clearly and accurately. One-handed operation, easy to move for on-site measurements, ....

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TENMA 72-9385 MODERN DIGITAL MULTIMETER

【High-precision Auto Ranging】 This IKOVWUK voltage tester measures AC/DC voltage from 600mv to 600V, current from 600μA to 10A, resistance from 600Ω to 60MΩ accurately. You can also use it for continuity, diode, temperature, frequency, capacitance and live wire test. CAT III 600V safety rating and double fuses provide overload protection..
【Fully Functioned】 This voltmeter can be used to measure AC/DC current, AC/DC voltage, resistance, frequency, duty cycle, capacitance, continuity, diode, and temperature. It is not only a voltage tester.
but also a multi-tester such as a circuit tester and electric meter..
【6000 Counts True-RMS Display】 New generation high accuracy chip, updated software and TRUE RMS(root mean square), provides higher range and more accurate readings, which makes this digital multimeter become an excellent helper for electrical test..
【User-friendly Design】 Equipped with backlight screen, flashlight, support stand and test leads holder, this voltage meter is really helpful for testing automotive and household electrical problems..
【Considerate Service】The package of this ohmmeter included 1 pair of test leads,1 pair of K-type test leads, 1 screwdriver, 1 storage bag, and 2 AAA batteries. Our brand IKOVWUK also pr....

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UNI-T Digital Multimeter Tester UT139C, Voltage Meter Tester Capacitance Meter Frequency TRMS 6000 Counts Auto/Manual Ranging

True RMS Multimeter Kit UT139C. 6,000 counts. Measures AC DC voltage (600V max), AC DC current (10A max), resistance, capacitor tester, frequency, temperature, diode test, bandwidth, etc. Ideal for electricians. Diagnose automotive, industrial and household electrical issue in a breeze..
Auto/manual ranges switchable multi meter digital. Relative mode. MAX/MIN. Data hold. LCD backlight. Auto power off. Troubleshoot home appliances, light fixtures, sockets and electrical panels. Besides, great volt meter and multimeter for checking automotive battery voltage, alternator output, etc..
Safe & Durable ohm meter multimeter. Safety rating: CAT III 600V. NCV detection feature effectively checks electrical status through measuring EM field intensity. Full range protection (600V). Thick rubberized cover and quality built-to-last electrical kit..
Easy to use electrical tester kit. Value pack includes: UT139C voltmeter digital, test leads (pair), temperature probe, paper manual, eManual (free download), gift box, and easy access to UNI-T 7/24 User Support (by email)..
UNI-T WARRANTY – A trouble-free experience with 100% 18-MONTH WARRANTY and 100% MONEY BACK GUARANTEE by UNI-T Direct!.

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UT136B Multimeter Resistance Tester Voltmeter Digital Ohmmeter Voltage Tester Measures Current, Resistance, Frequency; Tests Diodes, Temperature

【Diode Tester】Our diode Test meter maximum display 3999, support diode and triode test function, support NCV function.
【Auto Range 】UT136B+ automatic range digital multimeter with capacitor and frequency for easy operation.
【Safety Operation】Safety level CAT II 1000V, CAT II 600V, passed the 1m drop test. Voltmeter can measure AC and DC voltages up to 1000V and can measure currents up to 10A (20A at 30S measurement time).
【Protection】Full featured mis test protection, can withstand 1kV voltage shock, and is more convenient to use.
【Multifunction Test】Support on off test, data hold, auto power off, low voltage display and screen backlight.

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PC Interface Controller

【One-year after-sale warranty】The PWM to voltage module converts PWM digital signals to 0 to 10V analog signals. It can be used to switch the signal interface of PLC or other industrial control board. Adjust the output voltage by adjusting the PWM duty cycle. The module is small in size and easy to apply in different places.003cbr003e.
Using MCU embedded technology. Easy to operate, can be fine-tuned by potentiometer.003cbr003e.
Select the PWM signal input level range by short circuit. The module is small, easy to carry and easy to use.003cbr003e.
(current greater than 100mA)，PWM signal receiving frequency range: 1KHZ-3KHZ.
When power on for the first time, it is best to do a calibration and debugging: find a signal with a 50% duty cycle and connect it to PWM and GND. Jumper caps set the corresponding voltage range. When the frequency is 1KHZ-3KHZ, use a multimeter to measure the two ports of VOUT and GND. At this time, the meter displays about 5V. Adjust the potentiometer on the board so that the multimeter displays 5.00v.003cbr003e.

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Digital Tachometer Handhled Non Contact Laser Tach Meter 2.5 to 99999 RPM Meter, Professional Replacement Tachometers with Reflection Tape Marks, Battery Included

Accurate RPM Meter: rotational speed measurement range is 2.5RPM-99999RPM, resolution ratio: 0.1 rpm, precision :±(0.1%n+5d)rpm. Adopt the lastest microprocessor and laser technology, ensure the tachometer more accuracy and intelligent.
Memory Function: laser tachometers can automatically record the maixumum value/ minimum value/ last measure value/ average value after shut down the instrument. Super easy to review the previously measured memory values.
User Friendly Design: This digital tachometer RPM Meter features large clear LCD backlight display for easy reading even in dark place, battery low power indication and auto shutdown after 60s. Tachometer comes with 3-peice reflective tapes more conveneint and easy to measurement.
Widely Application: The tach meter suit for measurement rotate speed, linear velocity or frequency of motor, impeller blades, expansion cylinder and spindle, capable of measuring range from 2.5RPM-99999RPM.
Durable Material: Tachometer shell is made of solid ABS plastic, optimized electronic elements to make the measurement value reliable. Compact size and lightweight easy to carry and operate.

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Protmex Sound Level Meter, Dual Mode db Meter Decibel Meter Noise Level Meter 30-130dB Measure with Fast/Slow Selection, Backlight, Max and Data Hold Function, A/C Mode PT6708(Batteries Included)

... SENSITIVE SOUND METER】The Protmex SPL meter complies with International Committee IEC651 Type 2 and American National Standard ANSI S1.4 Type2. It has a 0.5s response time, can measure noise level, and quickly display accurate measurement results.Measuring Range 30~130dB.
+/-1.5dB Accuracy with 0.1dB Resolution. Frequency ranges from 30Hz to 8KHz..
【MAX/MIN/HOLD FUNCTION DECIBEL METER】The Protmex sound level meter with a data logger can record the current maximum or minimum decibel value.
the decibel reader and recorder can freeze the reading on the display without worrying that the reading is too fast to record..
【DIGITAL LCD DISPLAY & BACKLIGHT FUNCTION 】The Digital Sound Level Meter has a large clear LCD backlight display that can show the measurement clearly. Turn on the backlight to get the reading easily during the night and reduce the damage to the eyes..
【WIDELY APPLICATION SOUND DECIBEL METER】The decibel meter can be used in many environments and is also suitable for noise engineering, product quality control, health prevention, and treatment, etc. This audio noise measurement equipment is an excellent tool to check, monitor or control and test any environmental sound level. Widely applicable to individuals, families, enterprises....

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

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, easy and intuitive, all use of in-line components, the circuit is simple and easy to produce..
You need to solder and assemble by yourself, all the components are directly inserted, and the wire is printed correctly according to the PCB. After welding, the signal is input with the standard signal source, and the yellow adjustable capacitor is adjusted to make the display value equal to the signal frequency..
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..
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..

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Vibration Meter - Digital Precision Split Type Meter Tester HT-1201 Sensor Gauge with LCD Backlight Analyzer Acceleration Velocity Displacement Measurement for Moving Mach

... down “Enter” key to turn on/off the back light.During the measurement process, press “Esc/Max” key, the screen displays “MAX”, indicating that the function is enabled. The top of the screen always displays the maximum reading. Press the “Esc/Max” key again to close the functions. When the vibration frequency exceeds 1KHz, it will switch to acceleration measurement automatically and display high frequency prompt. - vibration an.
【Excellent Design】This Digital Precision Split Type Vibration Meter Tester is very lightweight and it comes with one travel case, perfect for easy storage and taking anywhere. This Vibration Meter Tester uses high-strength ABS material for durability.The body of this carbon monoxide detector is ergonomically designed for comfortable grip and more convenient for your use. - vibration meter.

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Hailege Digital Satellite Signal Tracker Dish FTA HD Monitor TV Signal Reception Television Signal Searching Strength Meter Satellite Locator Finder DC13-18V with Connect Cable

Light weight and pocket size, Power supplied by satellite receiver, Satellite Dish with LNB, Extremely sensitive meter that indicates very small - changes in signal strength , Suitable for digital and analogue reception satellite receiver boxes , Ideal for RVs, 5th wheels, campsites and home use etc.
Digital Satellite Signal Tracker Dish FTA HD Monitor.
Specification: Frequency range: 0.95GHz ~ 2.15GHz , Gain: 11dB.

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RF Explorer Digital Handheld Spectrum Analyzer 6G Combo Plus - Slim

[Impressive frequency range] – Scan and diagnose any frequency starting in low frequency 50KHz up to high frequency 6.1GHz, with no gaps or limitations. Offering this wide operating range, it can detect all WiFi, cell stations and phones, IoT, HAM bands, Digital radio and TV, ISM bands, Drone links and pretty much all wireless technologies used in todays demanding communications world..
[Robust design and instant power up] – A fully armored metallic enclosure provides robust mechanical strength and the high quality baked varnished paint provides a unique glossy finish. The device is designed and manufactured to last many years of demanding usage in the field, with internal rechargeable Lithium battery for hours of continuous usage..
[Advanced features] – Included advanced high-resolution Spectrum Analyzer mode, WiFi Analyzer mode, Tracking SNA. Internal firmware is continuously updated with additional features and functions to improve the device capabilities..
[Free Computer software] - When connected to a Windows, Linux or Mac computer the analyzer can display advanced high resolution graphics, including Power Meter and Spectrum Analyzer real time charts, historical charts, save data to CSV files and export to other tools such as WW6 or MatLab, d....

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