GM1357 портативный цифровой измеритель уровня
- Категория: Laser Levels >>>
- Поставщик: Fuzhou,Hedao,Trade,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Aug-16-2025 | 27.6 $* | 28.35 $* |
| Jul-16-2025 | 22.58 $* | 22.29 $* |
| Jun-16-2025 | 26.46 $* | 27.26 $* |
| May-16-2025 | 26.53 $* | 27.45 $* |
| Apr-16-2025 | 21.75 $* | 21.91 $* |
| Mar-16-2025 | 26.9 $* | 27.73 $* |
| Feb-16-2025 | 25.46 $* | 26.59 $* |
| Jan-16-2025 | 25.41 $* | 26.94 $* |
Характеристики
PRODUCT SPECIFICATIONS
Sound Level Meter
Introduction
This equipment has been designed to meet the meas-urement requirement of Safety Engineers, Health, Indu-strial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family,and audio system.
Specification
Measuring range：30~130dBA、35~130dBC
Accuracy：土1.5 dB (under reference conditions)
Frequency range：31.5Hz~8KHz
Level range：30~80,50~100,60~110,80~130, 30~130dB
Linearity range：50dB 1 100dB
Frequency weighting： A/ C
Digital Display：4digits
Resolution：0.1dB
Sample rate：2 times/second
Bar graph：50 dB scale at 1 dB step for monitoring current sound pressure level display Sample rate: 20times/second
Over indication：OVER /UNDER
AC output ：0.707Vrms at FS output impedance approx.100 ohm
DC output：10mV/dB, output impendance approx.100ohm
Time weight：FAST/SLOW
Microphone：1/2 inch electret condenser microphone
Max：MAX
Power supply：1.5V AA alkaline cells or DC 6V 100mA (maximum DC9V)
Power life：About 30 hours (alkaline battery)
Self calibration time：3s
Operating condition：0~40C，10~80%RH
Storage condition：-10~60C，10~70%RH
Weight：308g (including battery)
Dimension：256*70*35mm
Introduction
This equipment has been designed to meet the meas-urement requirement of Safety Engineers, Health, Indu-strial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family,and audio system.
Specification
Measuring range：30~130dBA、35~130dBC
Accuracy：土1.5 dB (under reference conditions)
Frequency range：31.5Hz~8KHz
Level range：30~80,50~100,60~110,80~130, 30~130dB
Linearity range：50dB 1 100dB
Frequency weighting： A/ C
Digital Display：4digits
Resolution：0.1dB
Sample rate：2 times/second
Bar graph：50 dB scale at 1 dB step for monitoring current sound pressure level display Sample rate: 20times/second
Over indication：OVER /UNDER
AC output ：0.707Vrms at FS output impedance approx.100 ohm
DC output：10mV/dB, output impendance approx.100ohm
Time weight：FAST/SLOW
Microphone：1/2 inch electret condenser microphone
Max：MAX
Power supply：1.5V AA alkaline cells or DC 6V 100mA (maximum DC9V)
Power life：About 30 hours (alkaline battery)
Self calibration time：3s
Operating condition：0~40C，10~80%RH
Storage condition：-10~60C，10~70%RH
Weight：308g (including battery)
Dimension：256*70*35mm
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Why Choose Us
Why choose us
1. We have our own factory with strong R&D center and QA team which can make sure your goods c an be sent out on time and in superior quality.
2. We have experienced and dedicated core members to offer you professional and reliable
2. We have experienced and dedicated core members to offer you professional and reliable
Company Information
Fuzhou Hedao Trade Co., Ltd., located in Fuzhou, Fujian, specializes mainly in exporting all kinds of refractometers,such as Digital refractometer, Abbe refractometer,Gem refractometer,Handheld refractometer(Brix Refractometer,Beer brewing refractometer,Honey Refractometer,Salinity Refractometer,Clinical Refractometer,Oe Refractometer,Wine Refractometer,Antifreeze Refractometer,Industrial Fluid Refractometer,Milk refractometer).Also specialized in Gem identified instruction, Fiber microscope. .
FAQ
Q: How do you guarantee the quality?
A: One year's guarantee from date on B/L. Normally. If it's quality problem, we promise to return goods or funds.
Q: Is OEM available?
A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.
Q: Can we buy 1 pc for sample testing?
A: Yes, we are glad to send 1pc for quality testing if we have stock of the model you required.
Q: How to deliver the goods for trial order or small order?
A : For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.
Q: What kind of payment your company accept?
A : T/T , Western Union,MoneyGram, Paypal , ect.
Q: If we have not found the model from website, what should we do?
A: Please email us with description and picture of the product, we research and develop new model every month, and some of them maybe have not been uploaded in website immediately. But If this is a new products for us, we can develop it for you after get all detailed information about your product.
A: One year's guarantee from date on B/L. Normally. If it's quality problem, we promise to return goods or funds.
Q: Is OEM available?
A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.
Q: Can we buy 1 pc for sample testing?
A: Yes, we are glad to send 1pc for quality testing if we have stock of the model you required.
Q: How to deliver the goods for trial order or small order?
A : For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.
Q: What kind of payment your company accept?
A : T/T , Western Union,MoneyGram, Paypal , ect.
Q: If we have not found the model from website, what should we do?
A: Please email us with description and picture of the product, we research and develop new model every month, and some of them maybe have not been uploaded in website immediately. But If this is a new products for us, we can develop it for you after get all detailed information about your product.
Our Services
1. 100% quality guarantee
2. Quick delivery time
3. OEM service
4. Promptly reply you within 24 hours
5. We treat clients as friend .Giving best service and sincere greetings
1. 100% quality guarantee
2. Quick delivery time
3. OEM service
4. Promptly reply you within 24 hours
5. We treat clients as friend .Giving best service and sincere greetings
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