1 x Noise Decibel Detector. Sampling Rate (FAST): 125ms. Sampling Rate (SLOW): 1sec. Noise Accuracy: ±2dB. Data Hold: Yes. If you are satisfied with our service, pls. Auto Power Off: Yes.
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Digital Sound Level Meter with Large LCD Screen Desktop Noise Meter Sonometro Sound Meter Decibelimetro 30-130dB Decibel Meter
Aliexpress UK
Concentration Unit Decibel: dBA. Temperature Range: -10℃ -50℃. Storage Temperature: -10℃-60℃. Temperature Range: -10-50℃. 1 x Hole Sticker. Humidity Range: 20%-85%. Frequency Range: 50Hz-8.5kHz. Frequency Response Range: 50Hz-8.5KHz.
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Bubble Level Ruler 30/60cm Aluminum Alloy Spirit Level Ruler Gauge Measure Tool Magnetic Bubble Level Ruler Spirit Level Meter
Aliexpress UK
Wall hanging type. With the hanging hole, it can installed on the wall to or free stand on the table. With the hanging hole, it can installed on the wall to or free stand on the table. Alarm function.
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Ultrasonic Wireless Water Tank Liquid Level Meter With Temperature Sensor Level Monitor Time Display Low Battery Indicator Alarm
Aliexpress UK
Mini Electronic Digital Angle Protractor. nn Robust Design and Magnetic Features nConstructed from high-quality aluminum alloy, this digital angle gauge is not only lightweight and portable but also sturdy and durable.
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Huepar Protractor Electronic Digital Display Level Meter 360° Spirit Level With Magnetic Vertical Horizontal Bubble Inclinometer
Aliexpress UK
Reftec SLM 1A Sound Level Meter, a vintage analog instrument used to measure acoustic noise in decibels (dB). It is designed for general environmental and occupational noise monitoring. In original box with operating notes. Good used condition. Please see attached pictures. Tested and working. Measurements shown in pictures in cm’s. Happy to answer any questions or supply extra pictures.
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ES-UL800 IP68 Ultrasonic Level Meter for Tanks water level transmitter 4-20mA RS485 Transmitter DC24V Power Supply
Aliexpress UK
Dual meter calibrated from -20 to +3
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20-500M Well Depth Sensor / Cable Ruler Water Level Meter / Underground Water Level Gauge
Aliexpress UK
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Universal level meter double-sided observation level bubble transparent glass level bubble high-precision level bead portable le
Aliexpress UK
Alarm Clock Switch: Short press the horn button to turn off the alarm clock, the red light goes off, then short press the horn button to turn on the alarm clock, the red light is on. Accuracy: ±1.5dB (based on standard sound source, 94dB at 1KHz).
eBay
Ultrasonic Wireless Water Tank Liquid Level Meter Temperature Sensor Level Monitor Time Display Low Battery Indicator Alarm
Aliexpress UK