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Noise Level Meter For Classroom

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Total 605 products for noise level meter for classroom Manufacture & Suppliers

8Meter suction Self Priming Pump/ High purity CIP PUMPS

... , low noise, large suction, simple maintenance, high purity Various Application for CIP Series Superior self-priming capacity up to 8Meter, negative pressure can be -0.8bar CIP Soluction Tank emptying Low l...

DONJOY TECHNOLOGY CO., LTD
Zhejiang,China

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Low Voltage 400V 3 Phase Reactor 6% 25Kvar 1.93mH 1A To 2000A

...1000VDC, Insulation resistance value >100MΩ. 2.Noise of the reactor is less than 65dB ( Tested at the point with a horizontal distance of 1 meter away from the reactor). 3.Level of protection:IP00 4.Insulati...

Xiamen Winley Electric Co.,Ltd
Fujian,China

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Industrial Portable Diesel Generator 60HZ Three Phases Or Single Phase Silent Type Diesel Generator

... acoustic enclosure technology with sound-absorbing materials and vibration-dampening mounts, these units typically operate between 65-75 dB(A) at 7 meters - comparable to normal conversation levels. The int...

Zhejiang Sanrock Power Machinery Co., Ltd
Zhejiang,China

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QES60 Electrical Power Generator For High Temperature Environments

... daily routine. You won't have to worry about loud, constant noise disturbing your work or relaxation time. Despite its powerful output, the QES60 is also relatively lightweight, coming in at 1300 Kg. This m...

CEBE GROUP HK CO.,LTD
Guangdong,China

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Vacuum Cleaner

... Cleaner portable vacuum cleaner Voltage:220v Power:1200W Frequency:50hz Vacuum degree:16kpa Volumn:60L Noise:<82db Filler system:4 levels Cable conductor:5 Meters G.W/N.W:9.6KG/8.5KG Packing size:470X450X750mm...

Shanghai AA4C Auto Maintenance Equipment Co., Ltd.
Shanghai,China

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Vacuum Cleaner

... Cleaner portable vacuum cleaner Voltage:220v Power:1800W Frequency:50hz Vacuum degree:16kpa Volumn:60L Noise:<82db Filler system:4 levels Cable conductor:5.5 Meters G.W/N.W:12.7KG/11.5KG Packing size:470X450X820mm...

Shanghai AA4C Auto Maintenance Equipment Co., Ltd.
Shanghai,China

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Vacuum Cleaner

... Cleaner portable vacuum cleaner Voltage:220v Power:1200W Frequency:50hz Vacuum degree:16kpa Volumn:60L Noise:<82db Filler system:4 levels Cable conductor:5 Meters G.W/N.W:9.6KG/8.5KG Packing size:470X450X750mm...

Shanghai AA4C Auto Maintenance Equipment Co., Ltd.
Shanghai,China

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Vacuum Cleaner prices

... Power:1200W Frequency:50hz Vacuum degree:16kpa Volumn:20L Noise:<82db Filler system:4 levels Cable conductor:5 Meters G.W/N.W:8KG/7KG Packing size:385X385X460mm AA4C Advantage 1.AA4C have full range of garage equipments. You can buy most items in AA4C ......

Shanghai AA4C Auto Maintenance Equipment Co., Ltd.
Shanghai,China

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IP54 Protection 20T Counterflow Cooling Tower , Bottle Type Cooling Tower Long Lifetime

..., protection level IP54, good sealing, which is suitable for running in damp and hot environment with low noise and long lifetime. 1. More than 100 workers for pvc cooling tower water mist eliminator 2. With...

Ningbo Haijiang Machinery Co.,Ltd.
Zhejiang,China

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1400rpm Speed 4KW 5.5HP Three Phase Asynchronous Motor

...meters from sea level Rated Voltage: ±5% Frequency: 50HZ or 60HZ Protection class: IP54 or IP55 Insulation class :F,B Duty Type: S1. Feature 1. TEFC cage 2. High efficiency 3. 100% copper wire &100% output. ...

Fuan Zhongzhi Pump Co., Ltd.
Fujian

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ET20MH Semi Electric Walking Type Pallet Truck Capacity 3000kg Forklift

... hand pallet truck, load/unload on vehicles - Separately excited motor, strong power/climbing - Emergecy stop/hour meter/Battery level indicator - Low noise, low power consumption - Low voltage...

Shanghai Sinolift Mechanical and Electrical Equipment Co., Ltd.
Anhui,China

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Y2 Series 2850r/min IP54 1.5KW Three Phase Asynchronous Motor

...: no higher than 1000 meters from sea level Rated Voltage: ±5% Frequency: 50HZ or 60HZ Protection class: IP54 or IP55 Insulation class :F,B Duty Type: S1. IE2 Motor Feature 1. TEFC cage 2. high efficiency 3....

Fuan Zhongzhi Pump Co., Ltd.
Fujian

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2 Channels 5V BT5.0 Audio Receiver Board for Wireless Stereo Music Module

... Micro USB 5V power supply Power supply: 3.7~5V Signal to noise ratio: 90db THD+N: -70db Crosstalk: -86db DNR: 91db Support configuration: A2DP/AVCTP/AVDTP/HFP Service Level: >5 meters Contact Information We...

Shenzhen Creatall Electronics Co., Ltd.
China

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Rechargeable Silent Wireless Mouse, 6 Keys, 4800 DPI, RGB Backlit, Dual-Mode, Metal Silver

... 6 programmable keys, 4-level DPI switching (1200/1600/2400/4800), and RGB backlighting for modern aesthetics. This metal silvery wireless mouse operates up to 10 meters via USB nano receiver (stored in base...

Anhui Arts & Crafts Import & Export Company Ltd.
Anhui,China

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RS-550SA 2600mA 15000RPM high torque brushed motor For Blender

...Noise Test Water-proof Test Life Test Impact Test Storage Test Salt Spray Test Environmental Related Substance Typical Applications conditioning damper actuator, door lock actuator, retractable rearview mirr...

Hofon Precise Motor Limited
Guangdong,China

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ODM Lithium Battery Production Line High And Low Temperature Experiment Box

..., Constant, 1 Meter In Front Of The Equipment) Ambient Temperature +25℃,relative humidity ≤85% Relative Humidity ≤85% Cooling Time +85 ° C Down To -40 ° C, ≥ 5 ° C / ......

Xiamen Sinuowei Automated Science And Technology Co., Ltd.
Fujian,China

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40mm*5mm mobilephone speaker 4ohm loudspeaker DXI40N-B

...LEVEL 84±3dB SPL（Average at 800Hz,1000Hz,1200Hz,1500Hz） Measuring condition: 0.1W (Sine wave) 1m measured with baffler shown in Fig.1. （SPL (min) ≥ 85DBA – from 1 meter） 2 IMPEDANCE: 4±20%Ω(@2KHz 1V) without...

Changzhou Duoxing Electronics Co,.Ltd
Jiangsu

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2 Megapixel 1080P HDTVI Dome Camera

...noise reduction, Super low illumination >2.8~12mm Manual Focus Lens >UP to 30 meters IR Distance >IR cut function ,Day & Night surveillance >Metal housing ,Inner line bracket ,multiple angle adjustable >Wate...

Shenzhen Safer Technology Co., Ltd.
Guangdong,China

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2.0Megapixel 1080P HDTVI Dome Camera

...noise reduction, Super low illumination >2.8~12mm Manual Focus Lens can be adjusted External >UP to 30 meters IR Distance >IR cut function ,Day & Night surveillance >Metal housing ,Inner line bracket ,multip...

Shenzhen Safer Technology Co., Ltd.
Guangdong,China

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2.0 Megapixel 1080P HDTVI Dome Camera

...noise reduction, Super low illumination >2.8~12mm Manual Focus Lens >UP to 30 meters IR Distance >IR cut function ,Day & Night surveillance >Metal housing ,Inner line bracket ,multiple angle adjustable >Wate...

Shenzhen Safer Technology Co., Ltd.
Guangdong,China

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Noise Level Meter For Classroom

Total 605 products for noise level meter for classroom Manufacture & Suppliers