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CEM DT-8851 Sound Level Meter
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In stock
Product Details
Brand:
CEM
Measuring range :
LO: 30 dB~80 dB, Med: 50 dB~100 dB, Hi: 80 dB~130 dB, Auto: 30 dB~130 dB
Frequence range :
31.5 HZ ~ 8 KHZ
Accuracy:
±1.4 dB
Resolution:
0.1 dB
Time weighting :
FAST ( 125 ms ), SLOW ( 1 s )
Frequency weighting :
A/C
Power:
One 9V battery, 006P or NEDA1604 or IEC 6F22.
Operating temperature:
0 °C~40 °C
Storage temperature:
-10 °C ~ +60 °C
Dimensions :
278 (L) x 76 (W) x 50(H) mm
Weight:
350 g
CEM DT-8851
The CEM DT-8851 Sound Level Meter is a sophisticated instrument designed for accurately measuring sound levels in various environments. It is particularly useful for professionals in fields such as environmental monitoring, construction, and occupational safety, where noise levels need to be assessed and controlled.
Key Features
- Wide Measurement Range: The DT-8851 can measure sound levels from 30 dB to 130 dB, making it suitable for a variety of applications, from quiet environments to loud industrial settings.
- Multiple Weighting Filters: The device offers A, C, and Z weighting options. A-weighting is commonly used for general sound level measurements, C-weighting is used for measuring peak sound levels, and Z-weighting provides a flat response across all frequencies.
- Data Logging Capability: The DT-8851 can store up to 32,000 readings, allowing users to conduct long-term monitoring of sound levels. This feature is beneficial for analyzing trends over time or during specific events.
- Real-Time Display: The unit features a large LCD display that provides real-time readings of sound levels. It also displays minimum, maximum, and average values, helping users assess noise exposure effectively.
- Peak Hold Function: This function captures the highest sound level detected during a measurement period, which is essential for identifying transient noises that may exceed safe limits.
- User-Friendly Operation: The device is designed with intuitive controls and a simple interface, making it accessible for users with varying levels of expertise.
- Calibration: The DT-8851 includes a calibration feature that ensures accurate measurements over time. Users can perform field calibrations using an external calibrator.
Advantages
The CEM DT-8851 Sound Level Meter offers several significant advantages:
- Versatility: Its wide measurement range and multiple weighting options make it suitable for various applications across different industries.
- Long-Term Monitoring: With the ability to log data over extended periods, users can track changes in noise levels and assess compliance with regulations.
- Ease of Use: The intuitive design and clear display ensure that users can operate the device with minimal training.
In summary, the CEM DT-8851 Sound Level Meter is an essential tool for professionals needing precise sound level measurements. Its combination of advanced features, user-friendly operation, and robust data management capabilities makes it ideal for ensuring compliance with noise regulations and improving workplace safety.
CEM DT-8851 Specifications
| Standard applied: | IEC61672 -1 CLASS2 |
| Accuracy: | ±1.4dB |
| Frequency range: | 31.5HZ ~ 8KHZ |
| Dynamic range: | 50dB |
| Memory: | 32700 |
| Level ranges: | LO: 30dB~80dB |
| Med: 50dB~100dB | |
| Hi: 80dB~130dB | |
| Auto: 30dB~130dB | |
| Frequency weighting: | A/C |
| Time weighting: | FAST ( 125ms ), SLOW ( 1s ) |
| Microphone: | 1/2 inch electric condenser microphone |
| Display: | 4 digits LCD display with a resolution of 0.1dB |
| Display Update: | 2 times/sec. |
| MAX / MIN / DATA HOLD | |
| Alarm function: | “OVER” is when input is more than upper limit of range. |
| “UNDER” is when input is less than lower limit of range. | |
| Analog output: | AC/DC outputs from earphone outlet AC=1Vrms ,DC=10mV/dB |
| Data output: | USB data traffic |
| Auto power off: | Meter automatically shuts down after approx. 15 minutes of inactivity. |
| Power supply: | One 9V battery, 006P or NEDA1604 or IEC 6F22. |
| Power life: | About 30hours |
| Operation temperature and humidity: | 0°C~40°C, 10％RH~90％RH |
| Storage temperature and temperature: | -10°C ~+60°C，10％RH~75％RH |
| Dimension: | 278 (L) x 76 (W) x 50(H) mm |
| Weight: | 350g |
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CEM DT-8851 Sound Level Meter
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