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). |