| Time weighting (FAST & SLOW) | Fast - t = 125 ms "Fast" range is simulated the human ear response time weighting. Slow - t = 1 s "Slow" range is easy to get the average values of vibration sound level. |
| Data hold | To freeze the measurement value. |
| Function selector SPL DOSE | Auto range:30~130dB. Threshold Level (Thr):70~90dB in 1dB steps. Criterion Level(Crit):80?84?85?90dB. Exchange Rat :3, 4, 5 or 6 dB |
| Frequency | 31.5 to 8,000 Hz. |
| Microphone type | Electric condenser microphone. |
| Microphone size | Out size, 12.7 mm DIA. ( 1/2 inch). |
| Calibration VR | Build in external calibration VR, easy to calibrate on 94 dB level by screw driver. * Calibrated via external SOUND CALIBRATOR ( SC-942, optional ). |
| Calibrator | B & K (Bruel & kjaer), MULTIFUNCTION ACOUSTIC CALIBRATOR Type 4226. |
| Datalogger Sampling Time Setting range | Auto | 1 second to 3600 seconds @ Sampling time can set to 1 second, but memory data may loss. |
| Manual | Push the data logger button once will save data one time. @ Set the sampling time to 0 second. |
| Memory device | internal memory device : EEPROM can be record 16,000 items. |
| external memory device ( AC Adapter only ) : SD memory card. 1 GB to 16 GB. |
| Data error no. | ≤ 0.1% no. of total saved data typically. |
| Advanced setting | Set clock time ( Year / Month / Date,Hour / Minute / Second ) Set sampling time Auto power OFF management Set beep Sound ON/OFF Decimal point of SD card setting SD memory card Format Frequency weighting to A or C setting |
| 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 °C. |
| Operating Humidity | Less than 85% R.H. |
| Power Supply | Alkaline or heavy duty DC 1.5 V battery ( UM4, AAA ) x 6 PCs, or equivalent. DC 9V adapter input. ( AC/DC power adapter is optional ). |
| Power Current | Normal operation ( w/o SD card save data and LCD Backlight is OFF) : Approx. DC 16 mA. When " SD " save the data but and LCD Backlight is OFF) : Approx. DC 35 mA. * If LCD backlight on, the power consumption will increase approx. DC 8 mA. |
| Weight | 250 g/ 0.55 LB. (without battery) |
| Dimension | 132 x 80 x 32 mm. ( 5.2 x 3.1 x 1.3 inch ). |
| Accessories Included | * Instruction manual....................... 1 PC Soft carrying case, CA-05A… … … …1 PC Microphone with clip……………… 1 PC Hanging unit ( with sticker ).......... 1 PC |
| Optional Accessories | Sound calibrator ( 94 dB ), SC-941. Sound calibrator ( 94/114 dB ), SC-942. Sound wind shield ball, SB-01 SD Card ( 4 GB ) USB cable, USB-01. RS232 cable, UPCB-02. Data Acquisition software, SW-E2005. AC to DC 9V adapter. |
