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Circuit |
Custom one-chip of microprocessor LSI circuit. |
Display |
LCD size : 52 mm x 38 mm
LCD with green backlight ( ON/OFF ). |
Measurement Range |
30 - 130 dB. |
Resolution |
0.1 dB. |
Function |
dB ( A & C frequency weighting ),
Time weighting ( Fast, Slow ),
Peak hold, Data hold
Record ( Max., Min. ). |
Accuracy(23 ± 5 ℃) |
Characteristics of " A " frequency weighting network meet IEC 61672 class 1
Under 94 dB input signal, the accuracy are :
31.5Hz ± 2.0 dB
63 Hz ± 1.5 dB
125 Hz ± 1.5 dB
250 Hz ± 1.4 dB
500 Hz ± 1.4 dB
1 K Hz ± 1.1 dB
2 K Hz ± 1.6 dB
4 K Hz ± 1.6 dB
8 K Hz + 2.1 dB , -3.1 dB
12.5 KHz + 3.0 dB, -6.0 dB
16 KHz + 3.5 dB, -17.0 dB |
Frequency
Weighting
Network |
Characteristics of A & C.
A weighting :
The characteristic is simulated as "Human Ear Listing" response. Typical, if
making the environmental sound level measurement, always select to A weighting.
C weighting
The characteristic is near the "FLAT" response. Typical, it is suitable for
checking the noise of machinery (Q.C.check) & knowing the sound pressure level
of the tested equipment.
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Data hold |
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Peak hold |
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Time weighting (Fast & Slow) |
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Range selector |
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Microphone type |
Electric condenser microphone. |
Microphone size |
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Calibration VR |
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Calibrator |
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Datalogger
Sampling Time
Setting range |
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Memory Card |
SD memory card. 1 GB to 16 GB. |
Advanced setting |
* Set clock time ( Year/Month/Date,Hour/Minute/ Second )
* Decimal point of SD card setting
* Auto power OFF management
* Set beep Sound ON/OFF
* Set sampling time
* SD memory card Format |
Over Indication |
Show " - - - - ". |
Data Hold |
Freeze the display reading. |
Memory Recall |
Maximum & Minimum value. |
Sampling Time of Display |
Approx. 1 second. |
Data Output |
RS 232/USB PC computer interface.
* Connect the optional RS232 cable UPCB-02 will get the RS232 plug.
* Connect the optional USB cable USB-01 will get the USB plug. |
Power off |
Auto shut off saves battery life or manual off by push button. |
Operating Temperature |
0 to 50 ℃. |
Operating Humidity |
Less than 85% R.H. |
Power Supply |
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Power Current |
Normal operation ( w/o SD card savedata and LCD Backlight is OFF) :Approx. DC
8.5 mA.
When SD card save the data but and LCD Backlight is OFF) :Approx. DC 30 mA.
* If LCD backlight on, the power consumption will increase approx. 14 mA. |
Weight |
489 g/1.08 LB. |
Accessories Included |
* Instruction manual........................1.. .P.C
* Hard carrying case, CA-06..............1. PC |
Dimension |
245 x 68 x 45 mm.
(9.6 x 2.7x 1.9 inch ). |
Optional Accessories |
- Sound calibrator ( 94 dB ), SC-941.
- Sound calibrator ( 94/114 dB ), SC-942.
- Sound wind shield ball, SB-01
- SD Card ( 2 GB )
- USB cable, USB-01.
- RS232 cable, UPCB-02.
- Data Acquisition software,SW-U801-WIN.
- AC to DC 9V adapter.
- Soft carrying case, CA-05A.
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