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A605, No.5 Bldg, BaiziYuan, Chaoyang, Beijing, 100124, China.

Our standard sound level meter CENTER 320 has a wide dynamic range from 30 to 130 dB. It has different frequency weighting A and C to respond to human sense or machine monitoring purposes. For different sound pattern, it also supplies Fast and Slow time constant setting. Analog output is also provided for other use.

• 4 Digits Display
• MAX / MIN Function
• Level Range Display
• Resolution 0.1dB
• AC / DC Signal Output
• IEC 651 TYPE II 
• Specifications

If one needs long time on site sound monitoring, CENTER 322 will be the choice. With its build in 32000 records deep memory, it can gather all the data you need just by this tester and a tripod.

• PC Interface.

• 32,000 Records Datalogger.

• Barograph Indication.

• MAX / MIN Function.

• Auto Ranging (30~130dB).

• Resolution 0.1dB.

• Clock Display.

• Level Range Display.

• IEC 651 TYPE II.

• Specifications

• Meets IEC 651; ANSI S1.4, type2 standard
• Quasi-Analog bar indicator: 1dB display steps, 50dB display range, updated every 50ms
• Measurement level range features 6 ranges
• Background noise absorber mode filters ambient sounds
• Fast (125 msec.) or Slow (1 sec.) response 3 times
• Record Max / Min. & Maximum Hold function
• A / C Weighting selectable
• Microphone: 6mm (Dia.) electric condenser type
• Backlight for use in dark areas (Model 8922)
• Low battery indicator
• Optional RS232 software (Disk & PC cable)
• Serial format: 2400Baud rate, 1 Stop bit, 8 Data bits. N: xxx, xdB
• Monitor the sound levels from traffic noise, alarm systems and workplace machinery
• Multi-Frequency calibration to ensure quality stable
• Specifications

• Our lowest price sound meter
• A / c weighting selectable
• Fast / slow response selectable
• Max hold function
• Analog output
• Check sound levels economically
• Response option: Fast and Slow (F/ S )
• Resolution: Analog continuous
• Display: Meter with needle indicator
• Weighting: A and C to measure a broad range of frequencies
• Measurement range from 54-126 dB in 7 ranges
• Built-in 0.5" electret microphone
• Max hold front-panel select switch locks highest reading on the display for peak sound level
• Analog output for connection to chart recorders, data logger etc.
• Low battery checker
• Easy calibration adjustment
• Threaded insert for tripod mount
• Specifications

TES-1357 Sound Level Meter

• 0.1dB Resolution
• Range from 30 to 130dB
• Fast / Slow dynamic characteristic
• A & C Frequency Weighting
• Specifications

• Auto ranging
• 0.1dB Resolution
• Range from 30 to 130dB
• A&C Frequency Weighting
• Fast / Slow dynamic characteristic
• 16000 Records Data logging function
• RS-232 interface
• Real time clock with calendar
• Specifications

• 0.1dB Resolution
• Maximum hold function
• AUX OUTPUT JACKS
• Specifications

• 0.1dB Resolution
• Maximum hold function
• AUX OUTPUT JACKS
• Specifications

• Real-time 1/1-Octave and 1/3-Octave analysis
• Wide linearity range of 100dB
• Memory max. 10000 records of Lp data
• RS-232 interface
• TES-1358A (230V)
• TES-1358B (110V)
• Specifications

• 94dB and 114dB Sound Calibration at 1KHz
• Accurate and Simple to use
• Fits 1", 1/2" or 1/4" diameter microphone
• Specifications

• Measure % Noise Dose / Exposure Time / Sound Level
• Real time clock with calendar
• RS-232 interface
• Specifications

• Wide linearity range of 100dB
• 32000 Records Data logging function
• RS-232 interface
• Real time clock with calendar
• Specifications