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{"title":"Noise Meter, with USB Interface Data Storage, Sound Level Meter (SL4202)","imgUrl":"https:\/\/img.chinax.com\/nimg\/a9\/53\/caed645b09686876cef8b7752436-200x200-1\/noise_meter_2c_with_usb_interface_data_storage_2c_sound_level_meter_28sl4202_29.jpg","attrs":{"Model NO.":"SL4202","Frequency Weighting":"A\/C","Digital Display":"4 Digit LCD","Resolution":"0.1dB"}}
{"title":"5-in-1 Environment Meter with Dual LCD Display and IEC61672 Class 2 Sound Level","imgUrl":"https:\/\/img.chinax.com\/nimg\/33\/0b\/7be2409cda2ca3a9a2a0c0b780c6-200x200-1\/5_in_1_environment_meter_with_dual_lcd_display_and_iec61672_class_2_sound_level_measurement.jpg","attrs":{"Model NO.":"MS6300","Certification":"CE, ISO","Warranty":"1 Year","Temperature":"-10~60\u00ba C"}}
{"title":"SL4200 Sound Level Meter with 31.5Hz to 8kHz Frequency Range, A\/C Weighting, and","imgUrl":"https:\/\/img.chinax.com\/nimg\/56\/1c\/9581325cce3966e7d32b51a2fabb-200x200-1\/sl4200_sound_level_meter_with_31_5hz_to_8khz_frequency_range_2c_a_2fc_weighting_2c_and_0_5db_resolution_for_accurate_noise_measure.jpg","attrs":{"Model NO.":"SL4200","Frequency Range":"31.5Hz to 8kHz","Frequency Weighting":"A\/C","Resolution":"0.5dB"}}
{"title":"Mini Sound Level Meter with Bluetooth 30-130dB High Accuracy Noise Meter for","imgUrl":"https:\/\/img.chinax.com\/nimg\/12\/c6\/37260e59ae95064a1afe87eea342-200x200-1\/mini_sound_level_meter_with_bluetooth_30_130db_high_accuracy_noise_meter_for_industrial_and_environmental_use.jpg","attrs":{"Model NO.":"WT85B","Measuring Level":"30-130dB (a)","Accuracy":"\u00b11.5dB","Resolution":"0.1dB"}}
{"title":"Digital Sound Level Meter 30 to 130dB Large LCD Wall Hanging Type Decibel Noise","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/66\/6ccd3ebe245291d94c454929b493-200x200-1\/digital_sound_level_meter_30_to_130db_large_lcd_wall_hanging_type_decibel_noise_meter_for_restaurant_indoor_2foffice_2fhome_sw_525.jpg","attrs":{"Model NO.":"SW-525A","Frequency Range":"31.5Hz~8.5kHz","Frequency Weighting":"a","Response Time":"Fast"}}
{"title":"Large Screen Digital Sound Level Meter 30~130dB with USB Data Transfer and Wall","imgUrl":"https:\/\/img.chinax.com\/nimg\/33\/86\/26de90c5a674e265fdca0ab1aa14-200x200-1\/large_screen_digital_sound_level_meter_30_7e130db_with_usb_data_transfer_and_wall_hanging_noise_meter.jpg","attrs":{"Model NO.":"SW-525B","Frequency Range":"31.5Hz~8.5kHz","Frequency Weighting":"a","Response Time":"Fast"}}
Features: * Designed according to International Electrician Committee Standard IEC 651 TYPE 2, ANSI S1.4 TYPE 2
* Wild Measurement Range: 30-130dB
* Windscreen/sponge ball to filter-out unwanted signals
* With Bar graph & Overload Indication (Over/Under)
* With 2 equivalent weighted sound pressure levels A and C
A frequency weighting for general sound level measurements
C frequency weighting for checking the low-frequency content of sounds
* AC & DC analogy signal output are available connecting to frequency analyzer level recorder, FFT analyzer and graphic record
* Large LCD screen with digits reading
* Fast and Slow dynamic characteristic mode
* Maximum value hold function to lock up the maximum reading
* Dynamic sound level ranges & battery life indication
* Data storage
* With USB interface
Specification:
* Frequency range: 31.5Hz to 8KHz
* Measuring range: (28)30-130dB
* Frequency Weighting: A/C
* Microphone: 1/2 inch polarization capacitance microphone
* Digital Display: 4 digit LCD
* Resolution: 0.1dB
* Display Update: 2 times/sec
* Time Weighting: FAST 125ms
SLOW 1 second
* Measuring ranges:
Range 1: (28)30dB to 70 dB
Range 2: 60dB to 100 dB
Range 3: 90dB to 130 dB
* Accuracy: ± 1.5dB(reference conditions 94dB@1kHz)
* Dynamic range: 40dB
* MAX hold: "MAX"
* Data storage: 60000 samples
* Interface: USB interface
* Power: One 9V battery
* Operating environment: Temperature: 0-40º C(32-104° F),Relative humidity: ≤ 75%RH
