价格面议通过我们销售的设备包含 2 年质保和使用支持。
课程 ·
NBR 10151 深度课程 — 2026 第4版
技术与实操培训 · 16 小时
关于环境声测量与评价的系统课程，包含技术内容、练习、考核和可选 SONARA 实验室。
数字产品 · R$ 65,00
新产品
NBR-10151 PARA PODER PÚBLICO
Esse é um material de leitura obrigatória para todos que buscam entender a aplicação da norma em fiscalizações de ruído ambiental.
CRY2851
CRY2851 声级计
1级声级计，适用于噪声监测、环境与职业评估、交通、工业和室外监测。
The CRY2851 sound level meter is developed specifically for noise monitoring in various application scenarios.
The product series meets IEC61672-1:2013 requirements and offers Class 1 accuracy products.
Functional options include integral measurement, statistical analysis, 1/1 Oct, 1/3 Oct and FFT analysis.
通过我们销售的设备包含 2 年质保和使用支持。
技术规格
MicrophoneCRY333
Sensitivity50mV/Pa (-26dB re 1 V/Pa) ±2dB
Frequency range3.15Hz~20kHz (±2dB); 10Hz~20kHz
Internal noise≤18dBA
StandardsGB/T3785.1-2010 Class 1; IEC61672-1:2013 Class 1
CertifiedCE, CPA, CCEP
Battery6600mAh lithium battery
Operation time17h (screen, BT, WiFi off)
Display4-inch TFT-LCD 480×800
Weight460g
宽动态范围
The CRY2851 platform supports microphone options for low-noise measurements and high sound pressure applications, covering demanding environmental, industrial, airport and occupational noise monitoring scenarios.
- Measurement capability from low-noise environments to high SPL applications.
- Class 1 accuracy according to IEC 61672-1:2013.
- Suitable for field measurements and long-term monitoring.
声级计管理软件
The instrument can be paired with management software for device connection, data consolidation, real-time monitoring, historical data review, report export and data download.
- Lp, Lmax, Lmin, Leq, Lpeak and LN parameters.
- 1/1 octave, 1/3 octave and FFT views.
- Remote device data viewing and report generation.
Environmental and airport noise monitoring
The CRY2851 can support environmental noise monitoring, traffic noise assessment, online noise pollution tracking, occupational exposure assessment and airport noise monitoring.
- Outdoor monitoring with protective accessories.
- Wireless or wired transmission for monitoring projects.
- Technical data support for environmental assessment.
CRY2834
CRY2834 声级计
IEC 61672 2级声级计，适合环境、工业和职业噪声测量。
The CRY2834 follows IEC 61672-1:2013 Class 2 standard.
It is suited for environmental protection, industry and occupational health applications.
It offers AC/DC, USB, RS232 and Bluetooth/WiFi or GPS options.
通过我们销售的设备包含 2 年质保和使用支持。
技术规格
MicrophoneCRY331
Sensitivity40mV/Pa (-28dB re 1 V/Pa) ±1.5dB
Frequency range20Hz~12.5kHz (±2dB)
Self-generated noise≤18dBA
Internal noise≤22dBA
InterfacesAC/DC, USB, RS232, BT/WiFi or GPS
Battery4×AA battery
Display320×240 TFT display
Weight330g with battery
宽量程
The CRY2834 follows IEC 61672-1:2013 Class 2 and offers a 25–140 dBA linear range for environmental, industrial and occupational noise measurements.
- 25 dBA to 140 dBA linear range.
- Low noise floor for background noise rejection.
- Class 2 measurements for routine professional use.
完整功能
The instrument supports sound level measurement, integration, statistical analysis, octave analysis, one-third octave analysis and noise monitoring functions.
- A/C/Z frequency weighting.
- S/F/I time weighting.
- Integral, statistics, 1/1 Oct and 1/3 Oct analysis.
Connectivity and Data
Communication resources include AC/DC output, USB, RS232 and optional Bluetooth, WiFi or GPS depending on the configuration.
- MicroSD storage support.
- External connection for field workflows.
- Practical operation for environmental and industrial teams.
CRY2831
CRY2831 2级声级计
紧凑型2级声级计，适合日常测量和筛查。
Key features include IEC 61672-1:2013 Class 2 compliance.
The instrument offers a 29dB~138dB measurement range.
It uses a 1/2 inch self-developed electric condenser microphone.
通过我们销售的设备包含 2 年质保和使用支持。
技术规格
ClassIEC 61672-1:2013 Class 2
Measurement range29dB~138dB
Microphone1/2 inch electric condenser microphone
Frequency range20Hz~12.5kHz
Frequency weightingA / C / Z
Time weightingF / S
Accuracy±1.5dB
IEC 61672-1:2013 Class 2
The CRY2831 is a compact Class 2 sound level meter for routine measurements, screening, acoustic checks and practical field use.
- IEC 61672-1:2013 Class 2.
- ±1.5 dB accuracy.
- 2-year warranty and expert support on units sold by our operation.
Measurement Range
It provides a 29 dB to 138 dB measurement range and a low noise-floor below 25 dB for routine environmental and occupational sound measurements.
- 29 dB to 138 dB measurement range.
- 20 Hz to 12.5 kHz extended frequency range.
- A/C/Z frequency weighting and F/S time weighting.
Self-developed Microphone
The unit uses a 1/2 inch self-developed electric condenser microphone and a simplified interface for quick field operation.
- 1/2 inch electric condenser microphone.
- Compact body for portable use.
- Good entry point for Class 2 measurements.
CRY8125
CRY8125 防爆声学成像仪
防爆声学成像仪，适用于泄漏定位、局放检测和工业检查。
The CRY8125 is TÜV-certified and approved under IECEx and ATEX schemes.
It complies with IEC 60079-0 and IEC 60079-11 standards.
It is applied in oil, natural gas, chemical and gas power industries.
通过我们销售的设备包含 2 年质保和使用支持。
技术规格
UseGas leak and partial discharge inspection
CertificationIECEx / ATEX
StandardsIEC 60079-0; IEC 60079-11
ProtectionIP54 after extreme test sequence
ApplicationsOil, natural gas, chemical, gas power
Explosion-proof Acoustic Imaging
The CRY8125 is an Ex acoustic imaging camera certified under IECEx and ATEX schemes for use in demanding industrial environments.
- TÜV-certified Ex acoustic imaging camera.
- IEC 60079-0 and IEC 60079-11 compliance.
- Applications in oil, natural gas, chemical and gas power industries.
Leak, PD and Mechanical Inspection
The camera supports localization of gas leaks, partial discharge and mechanical wear by combining acoustic imaging with inspection workflow and reporting.
- Gas leak detection.
- Partial discharge localization.
- Mechanical wear inspection.
Industrial Workflow
The instrument is designed for capture, analysis and reporting workflows that improve field inspection efficiency and support safer daily operation.
- Image capture and analysis.
- Report generation.
- Replaceable batteries for extended operation.
CRY8024
CRYSOUND 便携式声学相机
便携式声学相机，可快速定位泄漏、声源和现场异常。
The SonoCam Pocket is a compact acoustic imaging camera for portable leak detection and sound source localization.
It features 64 MEMS microphones and a 4.3-inch touchscreen.
It supports detection from 0.3m to 120m.
通过我们销售的设备包含 2 年质保和使用支持。
技术规格
Mic array64 channels
Frequency2kHz ~ 65kHz
SPL28 dB ~ 132 dB
Detection distance0.3m ~ 120m
Screen4.3-inch capacitive touchscreen
Storage32GB; .jpg, .mp4, .wav, .cdat
Weight270g
Pocket acoustic imaging
The pocket acoustic camera is designed for portable leak detection, sound source localization and predictive maintenance inspections.
- Compact design for field use.
- 4.3-inch touchscreen.
- 64 MEMS microphones.
Detection range
The camera supports detection from short distances to remote inspection points, helping technicians locate sound anomalies safely and quickly.
- 0.3 m to 120 m detection distance.
- 2 kHz to 65 kHz frequency range.
- 28 dB to 132 dB SPL range.
Rugged portable inspection
Its low weight, IP54 protection and drop resistance make it suitable for routine industrial inspections and fast on-site verification.
- 270 g lightweight body.
- IP54 protection.
- 1.5 m drop resistance.
CRY3018
CRY3018 声校准器
便携式1级声校准器，适用于声级计、麦克风和测量链校验。
The CRY3018 is a portable Class 1 acoustic calibrator.
It supports 250 Hz and 1000 Hz calibration frequencies.
It provides 94 dB and 114 dB selectable sound pressure levels.
通过我们销售的设备包含 2 年质保和使用支持。
技术规格
ClassClass 1 acoustic calibrator
Frequencies250 Hz / 1000 Hz
Levels94 dB / 114 dB
CompensationTemperature, humidity, barometric pressure
UseSound level meters, microphones, acoustic chains
Class 1 acoustic calibration
The CRY3018 is a portable Class 1 acoustic calibrator for high-precision verification of sound level meters, measurement microphones and acoustic measurement chains.
- Class 1 acoustic calibrator.
- Field and laboratory environments.
- For sound level meters, microphones and measurement chains.
Dual frequencies and sound levels
It supports 250 Hz and 1000 Hz calibration frequencies and selectable 94 dB and 114 dB sound pressure levels.
- 250 Hz / 1000 Hz.
- 94 dB / 114 dB.
- Higher output level for noisy environments.
Environmental compensation
An integrated feedback loop and compensation for temperature, humidity and barometric pressure help maintain stable calibration output.
- Sound pressure feedback loop.
- Temperature, humidity and pressure sensing.
- Stable output under changing conditions.
NA43
NA43 室外防风防雨罩
适用于 CRY 麦克风组件的室外防护，用于雨、尘、风环境。
The NA43 safeguards the CRY series microphone set from rain, dust and wind noise while preventing bird nesting.
It is designed for typical outdoor weather conditions.
It features a removable bird deterrent cone for easy maintenance and calibration.
通过我们销售的设备包含 2 年质保和使用支持。
技术规格
ProtectionIP65
Wind cover70mm windproof ball
MaterialEngineering plastic and aluminum alloy
ApplicationOutdoor noise monitoring
MaintenanceRemovable bird deterrent cone
IP65 防护等级
The NA43 protective device meets IP65 protection and protects CRY series microphone sets from rain, dust, wind noise and bird nesting.
- 70 mm windproof ball.
- Seamless waterproof mesh.
- Outdoor noise monitoring protection.
Maintenance and calibration
Its removable bird deterrent cone and serviceable construction support maintenance and calibration in long-term outdoor monitoring installations.
- Removable bird deterrent cone.
- Designed for outdoor weather.
- Engineering plastic and aluminum alloy.
Outdoor microphone protection
The NA43 is intended for outdoor noise monitoring projects that require stable microphone protection under dust, rain and wind exposure.
- Rain and dust protection.
- Wind noise reduction.
- Long-term stability for microphone set.
NA41
NA41 室外防风防雨罩
NA41 专为户外噪声传感器设计，可防风、防雨并防止鸟类影响。
The NA41 is a protective device designed specifically for outdoor noise sensors, offering protection against wind, rain, and birds. It consists of a main body and a windproof cover. The main body has two parts:
The upper part features angled protrusions that securely hold the windproof cover and channel water outward, preventing it from entering the sensor.
The lower part fits perfectly with the noise sensor, ensuring reliable protection.
产品亮点
IP65 防护等级
The NA41 outdoor protective device meets the IP65 protection standard, featuring a 70mm windproof ball and seamless waterproof mesh for comprehensive microphone protection. This design ensures effective dust and waterproof capabilities. In outdoor noise measurements, sensitive microphones and equipment are exposed to diverse weather conditions like rain, wind, and snow. The NA41 device is designed to withstand such harsh elements, safeguarding equipment and data against adverse weather effects effectively.
全天候噪声监测保护。
完全防止灰尘进入。
不受任意角度雨水影响。
便捷校准
The NA41 outdoor protective device consists of a main body component and a windproof cover. The main body is divided into upper and lower sections, with the upper section featuring evenly spaced protrusions at a specific angle to secure the windproof cover. This design effectively directs water away to protect the microphone from moisture ingress. The lower section is intricately designed to accommodate the microphone. Both sections are fastened with threads, facilitating easy manual disassembly for microphone calibration.
结构精确简洁。
顶部可拆卸，便于麦克风校准。
抗风与降噪
The equipment provides effective wind noise reduction and excellent wind resistance. In an environment with a wind speed of 10 meters per second, the combination of the NA41 windproof cover and device structure can provide over 30dB of wind noise reduction. Furthermore, the equipment as a whole can operate normally without damage in an environment with a wind speed of 30 meters per second.
有效降低风噪。
有效抗风。
主要特性
IP65 防护等级
长寿命
有效降低风噪
优异声学性能
通过我们销售的设备包含 2 年质保和使用支持。
技术规格
Reference Incident Direction90°
IP Protection ClassIP65
Attenuation of Wind Noise＞30dB@10m/s (Not damaged when wind speed reaches 30m/s)
Primary Materialsengineering plastic, aluminum
Interface SpecificationG1 Pipe Thread
Weight170g
SizeΦ76mm x 299.5mm(±0.2mm)
IP65 防护等级
The NA41 outdoor protective device meets the IP65 protection standard, featuring a 70mm windproof ball and seamless waterproof mesh for comprehensive microphone protection. This design ensures effective dust and waterproof capabilities. In outdoor noise measurements, sensitive microphones and equipment are exposed to diverse weather conditions like rain, wind, and snow. The NA41 device is designed to withstand such harsh elements, safeguarding equipment and data against adverse weather effects effectively.
- 全天候噪声监测保护。
- 完全防止灰尘进入。
- 不受任意角度雨水影响。
便捷校准
The NA41 outdoor protective device consists of a main body component and a windproof cover. The main body is divided into upper and lower sections, with the upper section featuring evenly spaced protrusions at a specific angle to secure the windproof cover. This design effectively directs water away to protect the microphone from moisture ingress. The lower section is intricately designed to accommodate the microphone. Both sections are fastened with threads, facilitating easy manual disassembly for microphone calibration.
- 结构精确简洁。
- 顶部可拆卸，便于麦克风校准。
抗风与降噪
The equipment provides effective wind noise reduction and excellent wind resistance. In an environment with a wind speed of 10 meters per second, the combination of the NA41 windproof cover and device structure can provide over 30dB of wind noise reduction. Furthermore, the equipment as a whole can operate normally without damage in an environment with a wind speed of 30 meters per second.
- 有效降低风噪。
- 有效抗风。
CRY3016
CRY3016 声校准器
便携式 IEC 60942:2017 1级声校准器，具备环境补偿和可选声压级。
The CRY3016 is a portable high-precision acoustic calibrator compliant with IEC 60942:2017 Class 1.
It supports 1000 Hz and dual SPL levels of 94 dB and 114 dB.
It integrates temperature, humidity and barometric pressure sensing.
通过我们销售的设备包含 2 年质保和使用支持。
技术规格
StandardIEC 60942:2017 Class 1
Frequency1000 Hz
Levels94 dB / 114 dB
CompensationTemperature, humidity, barometric pressure
ChargingUSB-C
DisplayMonochrome OLED
IEC 60942:2017 Class 1
The CRY3016 is a portable high-precision acoustic calibrator compliant with IEC 60942:2017 Class 1.
- IEC 60942:2017 Class 1.
- 1000 Hz calibration frequency.
- 94 dB and 114 dB selectable SPL levels.
Feedback and compensation
The calibrator uses an SPL feedback loop with temperature, humidity and barometric pressure sensing to maintain stable output.
- SPL feedback loop.
- Environmental monitoring.
- Compensation control.
Portable operation
USB-C charging, pass-through operation, long runtime, automatic power-off and OLED display support field calibration workflows.
- USB-C charging.
- Pass-through operation.
- Monochrome OLED display.
面向专业测量的 CRYSOUND 仪器，配套声学分析软件、使用支持、技术培训，并在适用时与 Four Gases 合作供货。
您也可以了解 Calc dB Tools, 一套面向场所、活动、工业和技术运行的远程控制和监测平台。