Alarm function. Data storage. Super large 9.6" LCD digital display with backlight that makes reading more clear and visually in dark areas. Alarm Reminder(sound+display) Yes. Resolution 0.1dB(<100dB), 1dB(>100dB).
eBay
100A 3 Phase LCD Digital Display with Backlight Power Meter in Energy Meters Smart Electric Meter Kwh Meter AC 380V Din Rail
Aliexpress UK
Compared with ordinary sensors, it is more sensitive, accurate and stable. 1 decibel knife. frequency response range: 50Hz~8.5KHz; Humidity range: 20~85%, accuracy: ±5%; Temperature range: 14~122℉, accuracy: ±5%.
eBay
HABOTEST HT603 Light Meter 200000 Lux Digital Illuminance Meter with Ambient Humidity and Temperature Meter Lux Meter
Aliexpress UK
1 decibel knife. Not only can the screen brightness be adjusted, you can also adjust the speed of detection. 14~122F, accuracy: ±5%. It's more sensitive, accurate and stable. -Large screen, wall mount.
eBay
SWR Frequency Meter SWR Meter SWR Power Meter 120W Digital Display Standing Meter Frequency Tester for FM AM SSB SWR Tester
Aliexpress UK
The microphone is designed with a windproof sponge, more accurate sound collection, filtering the impact of wind on the sound. Storage: -10 to 60℃. Accuracy: ±1.5dB(94dB@1KHz).
eBay
SWR Frequency Meter SWR Meter SWR Tester SWR Power Meter 120W Digital Display Standing Meter Frequency Tester for FM AM SSB
Aliexpress UK
The MAX/MIN button will hold the highest/lowest reading until a much higher/lower reading is picked up. Accuracy Within +/-1.5dB. Communication is important. (except for weekend). Resolution: 0.1dBA.
eBay
Clamp Leakage Current Meter ETCR‑6300 Current Meter 0mA‑60A Digital Clamp Leakage Current Meter with USB Communication
Aliexpress UK
Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.
eBay
Mobile Digital Electricity Meter 230 V 16 A, Mobile Outdoor KWH Power Consumption Meter, CEE Plug Electricity Meter for Socket
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
UNI-T Angle Meter LM320F LM320D Magnetic Inclinometer Digital Protractor LM320A Angle Finder Bevel Box Angle Measurement Tool
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
NOYAFA NF-8508 Network Cable Tester LCD Digital Rechargeable Network Line Finder Wire Tracker PoE Checker Optical Wire Meter
Aliexpress UK