产品展示
优质供应
详细内容
B&K的声计可用于各种行业和应用，例如：
优化建筑物的声学和振动
声功率和噪声源识别
产品噪声识别
工作噪声评估和OHS评估
当地和国家环境噪声及振动合规性
2、基本参数
| 测量对象： | 都可以 |
|---|---|
| 测量范围： | 30-135 dB |
| 分辨率： | 11 |
| 类型： | 精密声计,手持式声计 |
| 量程： | 3-10 m |
| 准确度： | 0.01 dB |
| 分类： | 0型 |
| 品牌： | 丹麦BK |
| 型号： | Type2236 |
| 加工定制： | 否 |
| 使用温度范围： | 常温 ℃ |
| 外形尺寸（长x宽x高）： | a*b*c mm |
| 响应速度： | 脉冲或脉冲保持 |
3、详细说明
Measuring Ranges :
| Range | Max Peak | Upper RMS Limit 1 |
| 10 to 90 dB * | 93 dB | 73 dB |
| 20 to 100 dB * | 103 dB | 83 dB |
| 30 to 110 dB | 113 dB | 93 dB |
| 40 to 120 dB | 123 dB | 103 dB |
| 50 to 130 dB | 133 dB | 113 dB |
| 60 to 140 dB | 143 dB | 123 dB |
Note * : Level non-linearity caused by noise floor is < 0.4 dB at 30 dBA, re IEC 651 ａnd < 1 dB at 26 dBA
Note 1 : with crest factor = 10 or 20 dB
Noise Floor :
Typically 18 dBA
Maximum : 20 dBA RMS
Includes preamplifier＇s electrical noise ａnd microphone＇s thermal noise
Detectors : simultaneous RMS ａnd Peak with independent frequency weightings
Linearity Range : 80 dB
Pulse Range : 83 dB
Non-linear Distortion : too small to affect accuracy
Peak Detector Rise Time : < 50 ms
Frequency Weightings : selected independently for RMS ａnd Peak
RMS A ａnd C : according to IEC 651 Type 1
RMS L : flat from 10 Hz to 20 kHz ± 2 dB with Type 1 tolerances
Peak C : according to IEC 651 Type 1
Peak L : flat from 10 Hz to 20 kHz ± 2 dB with Type 1 tolerances
Time Weightings : Fast, Slow, Impulse, according to IEC 651 Type 1
Display : 4 line LCD showing:
Measuring range ａnd quasi-analogue bar showing input signal
Battery low, pause ａnd overload with hold indicators
Time weighting ａnd elapsed measurement time
Optional back light
The quasi-analogue bar is updated 15 times per second
Displayed parameter level updated once per second
Parameters :
MaxL, MinL, MaxP, Peak, SPL, Leq, SEL, LEP,d ａnd Overload in % of measurement time + variable Ln, default values L90, L50 ａnd L10
Exchange Rate : 3
Resolution :
LN Values : 0.5 dB
Other Parameters : 0.1 dB
Reset :
Resets Buffer including elapsed time to zero. Warning prior to reset if elapsed time > 1 min.
Reset when changing frequency or time weighting
Resets all results in Log, Memory ａnd Buffer if held down together with (Data)
Optional reset when changing level of measurement range, Lns not available if range change is without reset
Microphone : Type 4188 pre polarized free-field 1/2" condenser microphone
Sensitivity : -30 dB re 1 V/Pa ± 2 dB
Frequency Range : 8 Hz to 12.5 kHz ± 2 dB
Capacitance : 12 pF
Memory : 40 Records of Overall Results
Result Logging : Leq : L10 ａnd L90
Log Rate : 1 s : 10 s : 30 s : 1 m : 5 m : 10 m : 15 m : 30 m ａnd 60 m.
Memory Capacity : 512 Kbytes, equivalent to 86400 sets of results (for example, 24 hours of 1 s logging)
Serial Interface : Compatible with EIA-574
Baud Rate : 1200 - 19200
Data Bits : 8
S Bit : 1
Parity :
Handshake : Hardwired, XON / XOFF or None
Results Output Format :
Overall : Logged 2318 printer : Logged spreadsheet : Level Distribution : Cumulative Distribution : Distribution resolution 1 to 5 dB
Heading : long or short
DC Output : Short circuit protected coaxial Lemo socket (series 00)
Output : 50 mV/dB equivalent to 0 - 4.15 V
Output Resistance : 100 Ω
Output Parameter : same as the Displayed Parameter
AC Output : Short circuit protected coaxial Lemo socket (series 00)
Maximum Output : 0.5 V RMS corresponding to the of the selected measurement range ± 2 dB depending on the microphone＇s sensitivity
Output Resistance : 100 Ω
Output : output signal from preamplifier (L frequency weighting)
Clock : real time, calendar ａnd measurement duration
Warm up Time : < 5 s
Settling Time : at range change without reset: < 4 ms
Calibration Conditions :
Reference Frequency : 1000 Hz
Reference SPL : 94 dB
Reference Range : 50 - 130 dB, set automatically during calibration sequence
Reference Incidence : Frontal
Environmental :
Storage Temperature : -25 to +70 ° C
Operating Temperature : -10 to +50 °C
Effect of Temperature : < 0.5 dB, -10 to +50 °C
Effect of **midity : < 0.5 dB for 30 %RH at 40 °C ａnd 1 kHz
Vibration Sensitivity : < 80 dB with L-weighting at 1 m/s-2
Magnetic Field : 80 A/m, 1?rsted at 50 Hz gives < 34 dBL
Power Supply - Internal :
Batteries : 4 x 1.5 V LR6 / AA size alkaline cells
Battery Life : > 12 hours, typically
Back up battery : keeps clock ａnd memories operating for at least 6 months, if fully charged
External Power Supply:
Voltage : 7 - 15 V DC regulated
Voltage Ripple : < 100 mV peak to peak
Maximum Current : 400 mA
Average Current : 100 mA at 7 V
External Power Supply Socket :
Socket Pin: Positive
Socket Casing : Signal Ground
Socket Pin Diameter : 2.0 mm
Socket External Diameter : 5.5 mm
Dimensions ａnd Weight :
Size : 257 mm x 97 mm x 41 mm
Weight : 460 g including batteries
深圳市声仪科技有限公司为您提供丹麦BK Type2236 声计/音压计的详细产品价格、产品图片等产品介绍信息，您可以直接联系我们获取丹麦BK Type2236 声计/音压计的具体资料，联系时请说明是在中科看到的。
联系人： 陆先生
