Reviews Voltage Meter With Sound Alarm

EMF Meter,Handheld Electromagnetic Field Tester, Radiation Meter, 0～2000mG/0～200μT, 0.1μT Resolution, 30Hz～300Hz, for Home Appliances, Power Lines and Industrial Equipments

  • MULTI FUNCTION: This EMF Meter can test the electric field and the magnetic field radiation at the same time. And you can switch between °C and °F freely in measuring the environment temperature. It can measure the radiation of high voltage power lines, appliances and electrical wires..
  • HIGH PERFORMANCE: This EMF Meter is equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on the LCD digital display.The Large-screen LCD display can ensure the clear reading with backlighting..
  • Magnetic: 0～200μT. Unit: mG (Electric Field).
  • μT (Magnetic Field). Test Bandwidth: 30Hz-300Hz.
  • AUTO ALARM: When the test result exceeds the safe value, the EMF Meter will sound and light to alarm automatically..
  • PORTABLE SIZE: The EMF Meter is compact, easy to operate with one-hand operation, easy to carry and make field measurement..
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Neoteck True RMS 9999 Counts Digital Multimeter, Large Backlit EBTN LCD, Manual & Auto Dual Ranging Integrated Design - Black

  • 【Full Functioned Digital Multimeters】This true RMS 9999 counts multimeter can accurately measure AC/DC voltage, AC/DC current, Ohm, capacitance, diode, continuity, Hz, duty cycle, live wire test, NCV & VFC function, temperature..
  • 【Manual & Auto Dual Ranging Integrated Design】 If you need a more precise values, you can choose manual mode. If you want to easily obtain measurement results, you can choose automatic mode..
  • 【Triple Protection】 Overload protection function: when the access voltage is lower than 250V, the digital voltage meter will automatically prevent burnout during the entire process.
  • Fuse Disconnect function: when the current is too large, the two fuses will immediately blow to protect the motherboard, prompt "FUSE" on the screen and beep alarm.
  • Wrong Polarity Alarm function: when the gear position and the test leads access port do not match, the volt meter's screen will display "LEAD" and beep..
  • 【Large inverted EBTN LCD Display, Easy to Read】 Negative contrast - the number values are white against a black background instead of the other way around, and the whole screen is lit. (PLEASE NOTE: It's not recommended to use the meter under strong outdoor light. It may be not clear enough to read.).
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Wireless Bluetooth Clamp Meter, INFURIDER YF-7200APP 6000 Counts Auto-Ranging Digital Voltmeter Ammeter Measures DC AC Volt Amp Ohm Clamp on Multimeter with Capacitance,Temp,Diode Tester

  • 【True RMS Clamp Meter】This ac dc clamp multimeter can accurately measure AC/DC Voltage,AC/DC current(60A/400A) has resolution up to 0.01A.Also can provide resistance,capacitance,temperature,diode,continuity,frequency(Hz) and duty cycle measurement..
  • 【Bluetooth Voltmeter Ammeter】YF-7200APP clamp meter can be easily and automatically connected to your Android/IOS.Convenient viewing of voltage amperage ohm readings on a smartphone or tablet via AiLink app(within 15m).Moreover, you can download files or charts to monitor,log and analyze..
  • 【Easy to Use】Press the [HOLD] button over 2 seconds to turn on LCD backlight screen and brightness flashlight.It’s possible to read and record the value easily in darkness.The volt amp meter feature with data hold,low battery indication.Compact and portable design make the amperage meter easy to carry and use..
  • 【NCV Function】Our clamp on multimeter with non contact voltage function,can detection effectively check electrical status through measuring without touching any wires.Light and sound alarm if detects AC voltage 90-1000V or live wire.Easy to use for troubleshooting your....
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Burglar Deterrent

  • Motion Activated - Sensitive motion sensor will detect any movement within 5-8 meter and activate the sound light alarm, sound arise and strobe light on. Come with motion detector,not only for people but also animals..
  • Audible & Visible from Far Away - the Risoon solar lamp siren horn sound is 110db, can be heard from 1000m away, and the flash strobe lighting can be seen from 1000m..
  • Solar Charging & Long Working Hours - After fully charged under sunlight, the sound alarm can work for about 30 days. No worry run out of power. Unique 4 modes: ①24 hours with flash&alarm ②24 hours with flash only③ in the night with flash&alarm ④in the night with flash only.
  • Easy Installation & Multi-Application: Just hang solar strobe alarm where get enough sunlight. The wireless motion sensor strobe light is suitable for the safety of residential house, farm, villas, hotels, markets, boarding house and other places where requiring security alarm..
  • [GUARANTEE] We provide 100% money back guarantee if you are not completely satisfied with our solar powered sound and....
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3 in 1 EMF Meter,EMF Reader,Electromagnetic Field Radiation Detector,EMF Tester for Home,EMF Detector with Sound Light Alarm,Ghost Hunting Equipmetent

  • 【Widely used】Home, office, outdoor, industrial.
  • Mobile phone, computer,TV, refrigerator high voltage line radiation detection.
  • Test the effect of protective equipment such as radiation protective clothing and radiation protective film.
  • 【3 in 1 EMF meter】One machine for three purposes, simultaneously detecting electric field, magnetic field radiation and temperature.Short press "MODE" key, the electric/magnetic field and ℃/℉ function conversion.
  • 【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.
  • 【Hold data】The instrument reading will be locked by pressing the HOLD key, and the "H" symbol will be displayed on the screen. If there is no need to lock, press the HOLD key again.
  • 【Graphic display】LCD graphic display of radiation value trend.Radiation assessment, to remind you whether the current radi....
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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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AUTOAND Car GPS & OBD Smart Gauge HUD Head Up Display, Digital Car Inclinometer Level Tilt Gauge Speedometer MPH Compass for All Vehicles

  • ...ead-up display that combines three functions, which can read the real-time data output of ECU through the data line connection to the automobile OBD interface, and supports 9 OBD protocols. Functions display: driving speed, coolant temperature, vehicle roll and pitch angle, altitude, latitude and longitude, battery voltage, RPM speed, satellite time and positioning, compass, driving time and driving mileage..
  • [FOR SAFE DRIVING] With a HD display, the car owner can monitor the driving data in real time, the data is clear at a glance, not only can drive without bowing your head. This gauge uses the principle of light sensor, which can automatically adjust the brightness of the screen according to the changes of ambient light, allowing the car owner to focus on driving and providing a safer and more comfortable driving experience..
  • [4 IN 1 ALARM SYSTEM] With car pitch angle alarm, roll angle alarm, overspeed alarm and fatigue driving Alarm. Precisely show vehicle pitch angle and roll angle changes with clear notification, then one or both angle is over 40 degree the alarm alerts. When you exceed the speed limit, the alarm will also sound to ensure your safety, and the car owner can set the speed alarm value. Fatigue driving alarm after 4 hours of driving.....
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Handheld Sound Level Meter,LCD Decibel Meter,Mini Digital Noise Meter,Decibel Tester,Decibel Alarm,with Red Black Light Alarm and Sound Alarm,Range 30-130dBA

  • This instrument is high precision sound level meter, accuracy up to ±1.5dB,resolution: 0.1dB.Temperature measurement function and Temperature unit selection(℃/℉)..
  • Red back light alarm and sound alarm function. This digital sound level meter with stable and reliable performance.Wide measurement range from 30dB to 130dBA.There will be a alarm warning when the measurement data exceeds the standard..
  • Data hold function, maximum and minimum value measurement. LCD display with backlight, convenient to use at night..
  • Low battery indication, automatic & manual power off function. Compact and light, convenient to hold and carry..
  • Equipped with sponge ball for sensor protection. Applications includes: Environmental measurement, law enforcement, work place design, sound level analysis of machinery and engines..
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Decibel Meter Sound Level Reader 30-130dB A Hand-held Sound Noise Meter with Backlight Alarm Digital Noise Meter Decibel Monitoring Tester Calibrated Audio Noise Volume Measuring Instrument

  • Sound db meter calibrated at factory, noise measurement range from 30 - 130dBA, accuracy: ±1.5dB, resolution: 0.1dB. Disable the automatic off function, sound meter can continuously measure noise value.
  • Sound meter features backlight alarm, large LCD display, maximum/ minimum noise monitor, data hold function, auto/manual power off, disable the auto off function, sound level meter can continuously measure noise value, battery indication.
  • Decibel meter is ideal for neighbors noise complaints, job-site and noise pollution monitoring.
  • Portable sound level meter is light and compact design, easy to carry with you and operate with one-hand.
  • Noise meter comes with 3 pcs AAA batteries, a wind-proof sponge ball and user manual. The decibel meter has been adjusted properly, it can be used immediately after the battery being installed..
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Yosoo Multi-Functional 12V Car Auto LCD Digital Clock Thermometer Temperature Voltage Meter Monitor (Blue)

  • This Car Voltage Meter Clock Thermometer is a multifunctional clock with 4 in 1 function, including time, thermometer, voltmeter and backlight.It can inspect your automobile at real time effectively, there is alarm lamp to remind you to avoid icing may cause damage to your car as temperature lower freezing point. There are alarm voice and lamp to remind you to cheeking the storage battery as the voltage is excessive to too low. You can maintain your automobile by the real time data of voltage.
  • Special function : Time display (12 / 24hour), date display, dual temperature display, alarm clock, snooze function, frost alarm function, automobile storage battery voltage indicator function, LED backlight.
  • Two colors blue / green of backlight for choice when the clock is powered by car cigarette lighter, there would be no backlight when it is powered by backup batteries..
  • Alert you to your car battery's voltage and its alarm sensor notifies you of excessive or under normal voltage operations.
  • When it connects with car, its back light is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen.
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KKmeter EMF Meter Handheld Digital LCD Electromagnetic Field Detector for Home Office

  • Two Uses of One EMF Meter: Testing the electromagnetic field Radiation and the temperature at the same time. The EMF Meter can get Measurement of Home Appliances: TV, AC, Induction cooker, rice cooker, refrigerator, computer, electrical wires, etc..
  • Safe Range: 0-0.4T or 0-4mG.when the radiation data exceeds the safe range,The EMF meter will flash red and alert the user via an alarm sound.
  • Multifunction: Data Hold & Max Measurement,sound-light alarm,backlight,manual/auto shut off,/ measurement, safe value setting, selection of MG or T, mutation function.
  • Package List: 1 x Electromagnetic Radiation Detector (EMF Meter),1 xUser Manual (English + French + German + Italy + Spanish).
  • Carefree service24 months warranty and technical support. Our after-sales technical engineers provide answers to all-day online questions ,just contact us via buyer messages, we will make it at first time.
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AUTENS AC Digital Meter AC 80-260V 100A Current Voltage Power Energy Panel Monitor (AC 100A Meter with Split Core CT)

  • MULTIFUNCTIONAL DIGITAL MULTIMETER: With a large-screen LCD display interface, it can display six parameters at the same time, including Voltage Current Active Power Energy Frequency and Power factor at the same time. Measuring Voltage range AC 80V-260V.
  • Power Factor range 0-1PF. It will be more convenient to install with a split current transformer..
  • OVERLOAD ALARM FUNCTION: Backlight and power will flash simultaneously to give an alarm if active power value exceeds the preset value. Alarm value can be set by yourself, but applied load should not exceed the rated power. This AC digital meter is suitable for indoor, please do not use outdoor..
  • POWER-OFF DATA STORAGE FUNCTION: The last test data is stored automatically when the power supply abruptly lose. No More worry about data loss due to sudden power outages. This digital meter can only measure the Active Power but not Apparent Power. If you measure power from a DC-AC inverter, please make sure it’s PURE SINE WAVE, or the meter can be burnt or melted..
  • ONE-BUTTON CONTROL: The button can be used to control the backlight, reset energy and preset power alarm limit. Short press the key to turn on or off the backli....
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Yosoo Multi-Functional 12V Car Auto LCD Digital Clock Thermometer Temperature Voltage Meter Monitor (Green)

  • 【Maintain Automobile by the Real Time Data】This Car Voltage Meter Clock Thermometer is a multifunctional clock with 4 in 1 function, including time, thermometer, voltmeter and backlight.It can inspect your automobile at real time effectively, there is alarm lamp to remind you to avoid icing may cause damage to your car as temperature lower freezing point. There are alarm voice and lamp to remind you to cheeking the storage battery as the voltage is excessive to too low. You can maintain your aut.
  • 【Special function : 】Time display (12 / 24hour), date display, dual temperature display, alarm clock, snooze function, frost alarm function, automobile storage battery voltage indicator function, LED backlight.
  • 【Blue / Green of backlight】Two colors blue / green of backlight for choice when the clock is powered by car cigarette lighter, there would be no backlight when it is powered by backup batteries..
  • 【Alert Car Battery's Voltage】Alert you to your car battery's voltage and its alarm sensor notifies you of excessive or under normal voltage operations.
  • 【Real Time Display】When it connects with car, its back light is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen.
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