Applications：
Widely used to test the sound level of environment, machinery, vehicle, ship and other noise. For industrial environmental protection, construction, health care, teaching and research department.
Features:
* Permits choice “A”, “C” , “F” weighting and “Fast” / “Slow” response times.
* Offers 4 measurement parameters: Lp (sound level); Leq (Equivalent Continuous A Sound Level ); Lmax ( Maximum Sound Level) and LN (Percent of all readings over alarm value set ).
* DC output :1 0 m V / d B.
* Can memorize 30 groups of measurement results and measuring conditions.
* Auto range selection and digital display with no guessing errors.
* Use “USB data output” and “RS-232 data output” to connect with PC.
* Provide “Bluetooth ™ data output” choice.
For rapid quotation,please contact Lisa directly :
To Lisa email: lisali0428@outlook.com
skype: lisali0428@outlook.com
Details:
|
Standards
|
IEC 651.2, ANSI 1.4.2
|
|
Parameters Measured
|
Lp - Sound Level
|
|
Leq - Equivalent Continuous A Sound Level
|
|
Lmax - Maximum Sound Level
|
|
LN - Percent of All Readings Over Alarm Value Set
|
|
Measurement
Range
|
Lp
|
30 ~ 130 dB ( A Weighting )
|
|
35 ~ 130 dB ( C Weighting )
|
|
40 ~ 130 dB ( F Weighting )
|
|
Leq
|
30 ~ 130 dB（ 10 Seconds, 1 Min, 5 Min, 10 Min, 15 Min, 30 Min, 1 Hour, 8 Hours, 24 Hours ）
|
|
LN
|
0 ~ 100 %
|
|
Resolution
|
0.1 dB
|
|
Accuracy
|
1 dB
|
|
Frequency Weighting
|
“A” / “C” / “F”（Flat）
|
|
Time Weighting
|
Fast (125 ms) / Slow (1 Second)
|
|
Microphone
|
1/2 Inch Electret Condenser Type
|
|
Memory
|
Maximum Value ( 30 Groups)
|
|
Built in Calibration Signal
|
94 dB at 1k Hz (sinusoidal)
|
|
Frequency Range
|
20 ~ 12,500 Hz
|
|
Alarm Value Set
|
30 ~ 130 dB
|
|
Alarm Output
|
LED Optional Relay Contact (NC)
|
|
Indicator
|
Low Battery Indicator
|
|
Power Supply
|
4 x 1.5v AAA size (UM-4) Battery
|
|
External DC Power Supply
|
6 V，DC，100 mA
|
|
Dimensions
|
236 × 63 × 26 mm
|
|
Weight
|
170 g
|
For rapid quotation,please contact Lisa directly :
To Lisa email: lisali0428@outlook.com
skype: lisali0428@outlook.com
bio-equip.cn
Guangzhou Landtek Instruments Co. Ltd. is one of leading professional manufacturers of meters and instruments in China.
Manufacturer & OEM
Our product list is :
>Coating Thickness Gauge
>Ultrasonic Thickness Gauge
>Through Coating Ultrasonic Thickness Gauge
>Vibration Meter/Calibrator
>Sound Level Meter/ Calibrator
>Noise Dose Meter
>Surface Roughness Tester
>Surface Profile Gauge
>Moisture Meter for wood/concrete/textile/grain/food/soil/cocoa bean/paper...
>River Flow Meter
>Soil Penetrometer
>Hardness Tester for metal/rubber/wood/foam/textile/fruit/soil/coating...
>Gloss Meter
>Whiteness Meter
>Reflectance Meter(Cryptometer)
>Color Meter
>Window Tint Meter Light Transmission Meter (visible light, UV , IR )
>Belt Tension Tester / Belt Frequency Tester
>Screen Tension Tester
>Yarn/Wire Tension Tester
>Force Gauge / Dynamometer
>Muscle Strength Tester
>Vehicle Brake Force Meter
>Torque Meter
>Portable Water Activity Meter
>ATP Meter / Fluorescence Detector
>Magnetic Field Strength Tester / Gauss Meter
>Anemometer for wind speed/direction/wind flow/...
>Dew Point Meter
>Stroboscope
>Digital Tachometer
>Lux Meter
If any need please do not hesitate to contact Lisa Li.Thank you!
中文
