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| Specifications |
models 732A and 735 |
| Standard applied |
IEC 651 Type2, ANSI S1.4 Type2 |
| Frequency range |
31.5Hz ~ 8kHz |
| Measuring level range |
30 ~ 130dB |
| Frequency weighting |
A / C |
| Microphone |
1/2 inch electret condenser microphone |
| Display |
LCD |
| Digital display |
4 digits
Resolution: 0.1dB
Display Update: 0.5 sec. |
| Analog display |
50 segment bargraph
Resolution: 1dB
Display Update: 50 mS |
| Time weighting |
FAST (125mS), SLOW (1 sec.) |
| Level ranges |
Lo: 30 ¨C 80 dB
Med: 50 ¨C 100 dB
Hi: 80 ¨C 130 dB
Auto: 30 ¨C 130 dB |
| Accuracy |
¡À1.5dB (under reference conditions @ 94dB, 1kHz) |
| Dynamic range |
100 dB (50 dB model 732A) |
| Alarm function |
"OVER" is when input is more than the upper limit of range.
"UNDER" is when input is less than the lower limit of range. |
| MAX/MIN hold |
Holds readings the Maximum and Minimum Value. |
| AC output |
1 Vrms at FS (full scale)
Output impedance: approx. 100¦¸
FS: means the upper limit of each level range. |
| DC output |
10mV / dB, output impedance approx. 1k¦¸ |
| Power supply |
One 9V battery, 006P or IEC 6F22 or NEDA 1604. |
| Power life |
About 50hrs (alkaline battery) |
| AC adapter |
Voltage 9 VDC, center pin negative, (8¨C15VDC Max)
Supply current: > 30mADC
Socket: pin ¡ú Ground, Casing ¡ú Positive, External Diameter ¡ú 3.5mm, Internal Diameter ¡ú 1.35mm |
| Electromagnetic Compatibility |
RF field = 3V/m
Total accuracy = specified accuracy + 0.5dB |
| Operation temperature |
0 to 40¡ãC (32¡ã to 104¡ãF) |
| Operation humidity |
10 to 90%RH |
| Storage temperature |
-10¡ã to 60¡ãC (14¡ã to 140¡ãF) |
| Storage humidity |
10 to 75%RH |
| Dimensions (L ¡Á W ¡Á H) |
10.8 ¡Á 2.5 ¡Á 1.2¡å (275 ¡Á 64 ¡Á 30mm) |
| Weight |
285g (including battery) |
| Accessories |
9V battery, carrying case, Screwdriver, Instruction manual. Windscreen, 3.5¦Õ plug, software & RS-232 cable (optional model 732A). | |
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Whether you are testing for OSHA compliance, quieting equipment, or monitoring the roar of a stadium crowd, B+K Precision's Sound Level Meters can get the job done. The model 735 Sound Level Meter provides 30~130 dB capability in three convenient measurement ranges Low, Med and Hi with an accuracy of ¡À1.5 dB. The meter meets the IEC 651 Type II and includes frequency weighting A & C and fast and slow time weighting. Two auxiliary ports provide either AC output, 1Vrms full scale, or DC output, 10mV /dB. With the model 735, B&K Precision can meet all your sound testing needs.
Windows Software Included
Clock Display
32,000 Records Data Logger
RS-232 Interface
Bargraph
MAX/MIN function
Auto Ranging (30 ~ 130dB)
Resolution 0.1dB
Level Range Display
AC/DC Signal Output
Auto Power Off
Backlit LCD
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El Medidor de nivel de sonido 735 provee capacidad de rango de 30 a 130 dB en tres rangos de bajo, medio y alto, con una exactitud de ¡À1.5 dB. |
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