noise meter for classroom

Level Calibrator Tool Product Description: The level calibrator tool features dual sound levels and multi-frequency sound sign...

30-130dB Digital handheld Sound Level Tester in decibels LCD Screen MS1353 Introduction: This sound level is very small ...

.... The sound level is compact and light weight, convenient to carry. Polarized capacitance Microphone, Dynamic cahracteristics fast 125ms, Slo...

SL-S35 Application SL-S35 is suitable for detecting near-ear toys, rattle toys, squeeze toys, gunpowder cap toys, other hand-h...

... 30~130dB Wall Hanging dB Measuring with USB Transfer Data Storage SW-525B Applications The Sound Level is a versatile devic...

Sound Level Test Stand / Acoustic Toys Testing Equipment Sound Test Noise Test Application: This machine is the test stand for noise meter, used to as...

...Centralized testing line include brake force axle load speedometer clamping wheel alignment headlight tester Test item/Features: Motorc...

Digital Sound Level Meter GM1351 Environmental Detection This equipment has been designed to meet the measurement requirement of Safety Engineers, Hea...

Universal Toys testing instrument Applications: The is used to measure the sound pressure level comes form sound toys in a predetermined d...

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... 2X40W output power, 2.4G wireless microphone transmission Fully meet the audio needs of 100 square of Easy to install, placed ab...

... 5-digit display, which makes the reading data clearer and more convenient. High sensitivity sensor, fast measurement and more accurate. The decibe...

...-SDI,LAN interface. .Leading auto focus algorithm makes lens a fast,accurate and stable auto-focusing. .Low CMOS effectively ensure high SNR ...

... accuracy 1.5dB decibel 30-130dB sound level Application This unit adopts condenser microphone as the sensor, high configuration ...

Valve with Low- Operation for Aquarium Water Maintenance with Precise Dosing Product Description: Customized for aquarium water maintenan...

..., ultra-high four types of folding parititon walls. Under normal circumstances, the type of ceiling is less than 4 to choose type 65, that i...

...SFP+ Uplink & IRF2 Stacking Key Features Fanless passive cooling for zero‑ operation, ideal for ‑sensitive scenarios like , hot...

... Commercial Area Application: Hospital, Living room, Office, Hotel, Restaurant, Workshop, , Meeting room,Cinema and other Public ...