shenzhen baichuan electronics
CRY2851 Sound Level Meter is designed for noise measurement and environmental and industrial product measurement.
- Product Details
- Application
- Features
- Technical specifications
- After-sales services
- Noise measurement
- Environment noise assessment
- Product EOL noise control
- Occupational noise assessment
- Single measurement range：19-135dB(A) from noise floor to the maximum level
- Support SD Card
- Ethernet/Bluetooth/WiFi for remote control and data transfer
- GPS for time and position
- 1/1,1/3 octave and Frequency analysis
| Physical |
|---|
| Dimension | L*W*H=260mm*90mm*40mm |
| Weight | 460g |
| Operation | Touch /Button |
| Power Supply |
|---|
| Battery | 6600mAh lithium battery |
| Operation Time | 9.5h(max brightness,BT and WiFi） |
| Charging Time | 4h (2A input current) |
| External Power Supply | USB Type C |
| USB input voltage | 5V DC |
| USB input current | >1.5A |
| Calibration Environment |
|---|
| Reference Level | 94dB@1kHz/114dB@1kHz |
| Calibration | Sound Calibrator Class 1 |
| Environment | Temperature 23°C
Pressure 101.325kPa Humility 50% RH |
| Operation Condition | Temperature -10~+50℃,
Pressure 65kPa-108kPa Humility ≤90%RH |
| Specification |
|---|
| Microphone | |
| Sensor | CRY333 free-field 1/2" microphone |
| Open circuit sensitivity | 50mV/Pa(-26dB re 1 V/Pa)±2dB |
| Frequency range | 3.15Hz~20kHz(±2dB) |
| Noise floor | ≤18dB(250Hz)) |
| Standard | |
| Standard | GB/T3785.1-2010 Class 1
IEC61672-1: 2013 Class 1 |
| Technical Specification | |
| Weighting | Frequency Weighting: A、C、Z
Time Weighting: F、S |
| Frequency Range | 10Hz-20kHz |
| Measuring Parameter | Lp, Lmax, Lmin, Leq, Lpeak, LN(1-99), SD, Ldn, Ld, Ln, EA, LAE(SEL), 1/1 OCT, 1/3 OCT, FFT |
| Single measurement range
(from noise floor to maximum level) |
CRY333 Mic: 19-135dBA
CRY311 Mic: 12.5-129dBA |
One-year free warranty
20 years of industry experience
24 hours Technical Support
Prev: CRY2301 Noise sensor
