CEM DT-8850 Noise and Sound Measurement Device
- Measures sound levels up to 130 dB.
- In measurements, 35–100 dB is considered low level, while 65–130 dB is considered high level.
- If the measured level is outside the measurement range, "Over" appears on the screen.
- Includes a “HOLD” function to freeze the displayed value.
- F/S button enables fast or slow response settings. (F = Fast response, S = Slow response)
- The DT-8850 sound level meter can be calibrated at 94 dB using a calibration device. It is recommended to calibrate the device if it has not been used for a long time.
- Commonly used by safety engineers, healthcare professionals, and industrial safety office staff to monitor sound levels.
- Comes with a foam windscreen, 9V battery, and carrying case.
Information About Decibel Levels
These are approximate values and may vary slightly.
- 0 decibels: The faintest sound a human ear can detect
- 30 decibels: Whisper
- 60 decibels: Normal conversation
- 90 decibels: Lawn mower
- 100 decibels: Circular saw
- 115 decibels: Car horn
- 140 decibels: Jet engine (may cause pain or temporary hearing loss)
TECHNICAL SPECIFICATIONS
- Measurement Range: 35 dB to 130 dB
- Frequency Range: 31.5 Hz – 8 KHz
- Accuracy: ±1.5 dB
- Dynamic Range: 65 dB
- Frequency Weighting: A / C
- Display: LCD
- Display Resolution: 0.1 dB
- Operating Temperature: 0°C to +40°C
- Storage Temperature: -10°C to +60°C
- Operating Humidity: 10% to 90% RH
- Storage Humidity: 10% to 80% RH
- Dimensions: 245 x 64 x 31 mm
- Weight: 255 grams
- Power Supply: 9V battery