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价格:电议
所在地:陕西 西安市
型号:377C01,377B02,377A13,377B11,377C10,377A12,377A14,378C01,378B02,378B13,378B11,378C10,378A12,378A14
更新时间:2018-07-03
浏览次数:1490
公司地址:西安市太白南路318号
周珂香(女士) 销售工程师
English: | SI: | ||
---|---|---|---|
PERFORMANCE | |||
Nominal Microphone Diameter | 1/2" | 1/2" | |
Frequency Response Characteristic (at 0° incidence) | Free-Field | Free-Field | |
Sensitivity | 50 mV/Pa | 50 mV/Pa | [3] |
Sensitivity (±1.5 dB) | -26 dB re 1 V/Pa | -26 dB re 1 V/Pa | [3] |
Frequency Range (±1 dB) | 6 to 10000 Hz | 6 to 10000 Hz | |
Frequency Range (±2 dB) | 3.5 to 20000 Hz | 3.5 to 20000 Hz | |
Lower Limiting Frequency (3 dB) | 1.0 to 2.75 Hz | 1.0 to 2.75 Hz | |
Inherent Noise | 16 dB(A) re 20 µPa | 16 dB(A) re 20 µPa | [1] |
Dynamic Range (3% Distortion Limit) | 138.5 dB re 20 µPa | 138.5 dB re 20 µPa | [1] |
TEDS Compliant | Yes | Yes | [2] |
ENVIRONMENTAL | |||
Temperature Range (Operating) | -40 to +257 °F | -40 to +125 °C | [4] |
Temperature Coefficient of Sensitivity (+14 to +158°F (-10 to +70°C)) | 0.005 dB/°F | 0.009 dB/°C | [3][1] |
Static Pressure Coefficient | -0.013 dB/kPa | -0.013 dB/kPa | [3][1] |
Humidity Coefficient of Sensitivity (0 to , non-condensing) | ±0.001 dB/%RH | ±0.001 dB/%RH | [3] |
Influence of Axial Vibration (0.1g (1 m/s²)) | 63 dB re 20 µPa | 63 dB re 20 µPa | [1] |
ELECTRICAL | |||
Polarization Voltage | 0 V | 0 V | [5] |
Excitation Voltage | 20 to 32 VDC | 20 to 32 VDC | |
Constant Current Excitation | 2 to 10 mA | 2 to 10 mA | |
Output Bias Voltage | 10 to 14 VDC | 10 to 14 VDC | |
Maximum Output Voltage | ±7 Vpk | ±7 Vpk | |
Output Impedance | <55 Ohm | <55 Ohm | |
PHYSICAL | |||
Housing Material | Stainless Alloy | Stainless Alloy | |
Venting | Rear | Rear | [6] |
Electrical Connector | BNC Jack | BNC Jack | |
Mounting Thread (Preamplifier) | 0.5 - 60 UNS | 0.5 - 60 UNS | |
Size - Diameter (with grid) | .52 in | 13.2 mm | |
Size - Diameter (without grid) | .50 in | 12.7 mm | |
Size - Height (with grid) | 3.88 in | 98.6 mm | |
Size - Height (without grid) | 3.84 in | 97.5 mm | |
Weight | 1.74 oz | 49.2 gm | [1] |
电容传声器377系列
应用:声功率测试,发动机噪声分析,近场声全息,建筑噪声研究,绘制声压图,环境噪声分析。
型号
|
377B01
378C01 |
377B02
378B02 |
377B10
378C10 |
377B11
378B11 |
377B20
378C20 |
377B40
|
377B41
|
377C01
378C01 |
377C10
378C10 |
直径
|
1/4”
|
1/2”
|
1/4”
|
1/2”
|
1/2”
|
1/2”
|
1/2”
|
1/4”
|
1/4”
|
响应类型
|
自由场
|
自由场
|
压力场
|
压力场
|
任意场
|
自由场
|
自由场
|
自由场
|
压力场
|
开路灵敏度(250Hz)
|
3.16mV/Pa
|
50mV/Pa
|
1mV/Pa
|
50mV/Pa
|
50mV/Pa
|
12.5mV/Pa
|
50mV/Pa
|
2.0mV/Pa
|
1.0mV/Pa
|
频率响应
(±2dB)
|
4Hz~80KHz
|
3.15Hz~
20KHz
|
4Hz~70KHz
|
3.15Hz~10KHz
|
3.15Hz~12.5KHz
|
4Hz~
40KHz
|
3.15Hz~20KHz
|
3Hz~100KHz
|
4Hz
~70KHz
|
化电压(V)
|
0
|
0
|
0
|
0
|
0
|
0
|
200
|
0
|
0
|
动态范围
(-3%)
|
165dB
|
146dB
|
170dB
|
146dB
|
146dB
|
160dB
|
146dB
|
44-165dB
|
44-165dB
|
动态范围
(热噪音)
|
28dB
|
15dB
|
30dB
|
15dB
|
15dB
|
20dB
|
15dB
|
40-170dB
|
41-165dB
|
前置放大器
连接
|
5.7mm
- 60UNS
|
11.7mm
- 60UNS
|
5.7mm
- 60UNS
|
11.7mm
- 60UNS
|
11.7mm
- 60UNS
|
11.7mm
- 60UNS
|
11.7mm
- 60UNS
|
5.7mm
- 60UNS
|
5.7mm
- 60UNS
|
工作温度(℃)
|
-40 ~ +120
|
-40 ~ +120
|
-40 ~ +120
|
-40 ~ +120
|
-40 ~ +120
|
-40 ~ +150
|
-40 ~ +150
|
-40 ~ +120
|
-40 ~
+120
|
传声器管径(包括格栅)
|
7.0mm
|
13.2mm
|
7.0mm
|
13.2mm
|
13.2mm
|
13.2mm
|
13.2mm
|
7.0mm
|
7.0mm
|
传声器管高(包括格栅)
|
10.5mm
|
16.2mm
|
10.4mm
|
16.2mm
|
16.2mm
|
12.7mm
|
16.3mm
|
10.5mm
|
10.5mm
|
型号 |
377A12 |
377A13 |
377A21 |
377A42 |
377A51 |
377A53 |
377A54 |
377A62 |
直径 |
1/4” |
1/2” |
1/2” |
1” |
1/4” |
1” |
1/2” |
1/2” |
响应类型 |
压力场 |
压力场 |
任意场 |
自由场 |
压力场 |
任意场 |
压力场 |
任意场 |
开路灵敏度(250Hz) |
0.25mV/Pa |
12.5mV/Pa |
12.5mV/Pa |
48mV/ Pa |
0.4mV/ Pa |
45mV/ Pa |
50mV/ Pa |
12.5mV/Pa |
频率响应 (±2dB) |
4Hz~ 20KHz |
4Hz~ 20KHz |
4Hz~ 20KHz |
2.6Hz~ 20KHz |
10Hz~ 20KHz |
2.6Hz~ 8KHz |
3.15Hz~ 10KHz |
4Hz~250 KHz |
化电压(V) |
0 |
0 |
0 |
0 |
0 |
0 |
200 |
200 |
动态范围 |
178dB |
155dB |
155dB |
146dB |
192dB |
146dB |
>146dB |
>160dB |
动态范围 (热噪音) |
68dB |
144dB |
144dB |
10dB |
60dB |
10dB |
-- |
18dB |
前置放大器 连接 |
5.7mm - 60UNS |
11.7mm - 60UNS |
11.7mm - 60UNS |
23.1mm - 60UNS |
5.7mm - 60UNS |
23.1mm - 60UNS |
12.7mm - 60UNS |
11.7mm - 60UNS |
工作温度(℃) |
-40 ~ +120 |
-40 ~ +120 |
-40 ~ +80 |
-40 ~ +150 |
-40 ~ +150 |
-40 ~ +150 |
-40 ~ +150 |
-40 ~ +150 |
传声器管径(包括格栅) |
7.0mm |
13.2mm |
13.2mm |
23.8mm |
6.9mm |
23.8mm |
13.2mm |
13.2mm |
传声器管高(包括格栅) |
10.4mm |
12.7mm |
12.7mm |
19mm |
10.5mm |
19mm |
16.3mm |
12.7mm |
重量(克) |
1.7 |
6.5 |
6.5 |
31 |
2 |
31 |
9 |
6.5 |