Uses sophisticated production technology, has excellent performance, and can be used for radio antenna radiation. Use: for Radio Antenna Radiation. 1 x Antenna. Suitable for detecting radio waves of 100khz‑1Ghz, and the sensitivity is very high and adjustable.
eBay
HABOTEST HT602A Sound Level Meter Digital Handheld DB Meter HT602B Noise Audio Level Meter 30-130dB Decibels Mini Sound Meter
Aliexpress UK
This feature allows users to amplify alarm sounds or notifications as needed, effectively making it suitable for larger areas where a louder alert is necessary. This wall mount feature is suitable for permanent installations in bars, KTVs, classrooms, hospitals, and offices, maximizing convenience.
eBay
Sound Level Meter Digital Portable Noise Meter NENG GN102 Audio Level Meter 30-130dB Ambient Noise Windproof Decibel Meter test
Aliexpress UK
Sound level meter with instructions & case, used. Good condition.
eBay
UNI-T UT353BT Sound Level Meter Digital Bluetooth Noise Meter Tester 30-130dB Decibel Monitoring Sound Level Meters
Aliexpress UK
Strict Structure: The level sensor transmitter employs a modular circuit design, with a multilayer PCB. Keyboard: three light touch keys. Output mode: 4-20mA. Level/liquid level mode selection. Display: LCD.
eBay
Digital Sound Level Meter with Large LCD Screen Wall Mounted Digital Sound Level Meter 30~130dBA Decibel Monitoring Tester
Aliexpress UK
It is lightweight, compact, easy to carry, and is not limited by location or location. Windproof Sponge Design: The microphone is designed with a windproof sponge, more accurate sound collection, filtering the impact of wind on the sound.
eBay
Water Level Meter Buoy Water Shortage Reminder Display Plug Potted Moisture Gauge Water Level Meter Detachable
Aliexpress UK
This feature saves you the trouble of having to constantly hold the tool in position.
eBay
SMART SENSOR AR884A Sound Level Meter with Large LCD Screen Wall Mounted Digital Sound Level Meter Noisemeter Monitoring Tester
Aliexpress UK
Listing as parts not working as I haven't tested What is in the photo is what is included Sold as seen
eBay
MASTFUYI FY826B Digital Sound Level Meter 30-130dB Decibel Portable Noise Audio Level Sonometer Meter for Environmental Testing
Aliexpress UK
Alarm Prompt: The default alarm value for power on is 130dB. Level Display Bar: With analog bar level indication, 6 bars noise decibel display, 30-75dB display is green, 76-130dB display is red, clear and intuitive.
eBay
ME202W 5m Intelligent Water Tank Level Sensor Meter Tuya Intelligent Remote WiFi High Accuracy Oil Diesel Water Level Meter
Aliexpress UK