TECPEL CO., LTD. Tel: 886 2 2218 3111 Fax: 886 2 2218 3222
Sound Level Meter
Model：DSL 330
☆ Measuring Range: 30 ~ 130 dB ; High, Med, Low 3 ranges
☆ Frequency Weighting: A, C
☆ 4-Digit Display with updated cycle 0.5s
☆ 0.1dB resolution
☆ Max /Min Hold Function
☆ The standard Fast and Slow Time weightings
☆ AC/DC signal output
☆ Overload condition indication
☆ Auxiliary output jack
☆ IEC 651 Type II, ANSI S1.4 Type2.
☆ Back screw hole tripod connection
☆ Calibration Potentiometer easy to adjust
Specifications : with CE approval
| Standard Applied: |
IEC651 Type 2, ANSI S1.4 Type 2 |
| Frequency Range |
31.5Hz ~ 8KHz |
| Measuring Level Range |
30 ~ 130dB |
| Frequency Weighting |
A/C |
| Microphone |
1/2 inch electric condenser microphone |
| Display |
LCD Back Light Function |
| Digital Display |
4 digits , Resolution: 0.1dB, Display Update: 0.5 sec |
| Analog Display |
50 segment Bar graph, Resolution, Resolution: 1dB, Display update: 50mS |
| Time Weighting |
FAST (125mS); SLOW(1 Sec) |
| LEVEL Range |
Lo: 30 ~ 80dB ; Med: 50~ 100dB, Hi: 80~ 130dB; Auto Range : 30~ 130 dB |
| Accuracy |
± 1.5dB (under reference condition at 94dB 1KHz) |
| Measuring Level Range |
30 ~ 130dB |
| Dynamic Range |
100 dB |
| Over and Under range Indication Function |
"OVER" is displayed, while input is more than upper limit of range. ; " UNDER" is displayed, while input is less than lower limit of range. |
| MAX/MIN Hold |
Hold Reading the Maximum and Minimum Value |
| AC Output |
1V rms at FS (Full Scale), output impedance : Approx. 100 Ω |
| DC Output |
10mV/dB, Output impedance approx. 1K Ω |
| Auto Power Off | 30 minutes if no operation |
Power Requirement:
One piece 9V battery NEDA 1604
Power Life
About 50 Hours (Alkaline battery)
AC Adapter (option)
Voltage 9VDC (8~ 15 V DC Max) ; Supply current : > 30mADC
Operation Temperature
0 to 40 ºC (32 to 104 ºF)
Operation Humidity
10 to 90% RH
Storage Humidity
10 to 75% RH
Weight:
10 oz(285g)
Accessories:
9V battery,
Carrying case, calibration screwdriver
