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Specifications
SKU: CUSTOM Digital Sound Level Meter SL-1340U
Product overview
![[Measurement item] Noise](https://www.kk-custom.co.jp/function/function_SoundLevel.svg "[Measurement item] Noise")
![[Function] MAX MIN](https://www.kk-custom.co.jp/function/function_MaxMin.svg "[Function] MAX MIN")
![[Function] Bar graph display](https://www.kk-custom.co.jp/function/function_BarGraph.svg "[Function] Bar graph display")
![[Function] Automatic power off](https://www.kk-custom.co.jp/function/function_AutoOff.svg "[Function] Automatic power off")
![[Function] Analog output](https://www.kk-custom.co.jp/function/function_AnalogOutput.svg "[Function] Analog output")
It supports both a "digital display" that allows you to instantly check the measurement value, and an "analog display" that allows you to instantly recognize the change in the measurement value on a graph.
- Compliant with international standard IEC 61672-1.
- The maximum or minimum measurement value can be displayed.
- Equipped with an alert function that displays "OVER" when the measurement value exceeds the set analog range, and "UNDER" when it falls below.
- The time constant can be switched (FAST/SLOW) depending on the measurement target.
- Calibration function included (A-weighted only. Calibrator sold separately.)
- Comes with AC/DC output terminal.
Supports A/C characteristics and FAST/SLOW switching.
It supports both "A-weighting," which is close to human hearing and is used for general noise measurement, and "C-weighting," which is suitable for measuring sound pressure levels with a high level of low frequency components such as impact sounds. It is also possible to switch between "FAST" weighting (time constant: 125 ms), which provides measurements close to the response time of the human ear, and "SLOW" weighting (time constant: 1 s), which provides measurements of the average level of fluctuating noise.
Supports two types of display: "analog display" and "digital display."
It supports two types of display: an "analog display" that allows you to instantly recognize the amount of change, and a "digital display" that allows you to instantly check the measurement value.Part names
Main unit
- ① Windshield sponge
- ② Display section
- ③ Power button
- ④ Level range control button
- ⑤ Frequency weighting selection button
- ⑥ Maximum/minimum value hold button
- ⑦ Time weighting characteristic selection button
- ⑧ Microphone
- ⑨ AC/DC output terminal
- ⑩ Tripod mounting part
- ⑪ Battery cover
Screen display section
- ① Auto power off enabled indicator
- ② Measured value is below the lower limit of the analog range
- ③ Analog range display
- ④ Measurement value display (digital)
- ⑤ Battery level display
- ⑥ Time weighting characteristics (fast response)
- ⑦ Time weighting characteristics (slow response)
- 8) Measurement value is displayed as being above the upper limit of the analog range
- ⑨ Maximum/minimum value hold status display
- ⑩ Calibration mode display
- ⑪ Frequency weighting (A-weighting) display
- ⑫ Frequency weighting (C characteristic) display
360° rotating image
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specification
Electrical Performance
| Frequency response | A characteristic/C characteristic | |
|---|---|---|
| Frequency Range | 20 Hz to 8 kHz | |
| Measurement range | 32.0 to 130.0 dB | |
| display | Digital (4 digits) | Analog (bar graph) |
| Analog Range | - |
|
| resolution | 0.1 dB | 2 dB |
| sampling | Approximately 2 times/second | 5 times/second |
| Measurement accuracy | ±1.4 dB (94 dB, at 1 kHz) | |
| Dynamic characteristics |
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General specifications
| Auto Power Off | Approximately 30 minutes (can be canceled) |
|---|---|
| Operating temperature and humidity | 0 to +40°C, 10 to 90% RH (no condensation) |
| Storage temperature and humidity | -10 to +60°C, 10 to 75% RH (no condensation, excluding batteries) |
| size | Approx. W 55 × H 258 × D 25 mm (excluding windshield sponge) |
| weight | Approximately 200 g (including batteries) |
| power supply | 9V battery x 1 |
| battery life | Approximately 40 hours (when using alkaline batteries) |
| accessories | Instruction manual, windshield sponge, storage case |
| Compliance standards | IEC61672-1 Class 2 |
| proofreading | Possible |
| JAN | 4983621181340 |
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