| General Specifications |
| Applicable Standards |
IEC651 Type 2, ANSI S1.4 Type 2 |
| Accuracy |
±1.5dB (under reference conditions) |
| Frequency range |
31.5Hz - 8KHz |
| Measuring level |
30 - 130dB |
| Frequency weighting |
A and C |
| Microphone |
0.5” Electret condenser microphone |
| Display |
4-digit LCD |
| Resolution |
0.1dB |
| Display period |
0.5 sec. |
| Bargraph |
50dB scale (1dB steps). Display period: 50mS; Auto-ranging: 100dB scale, 2dB steps |
| Sampling rate |
50mS |
| Memory size |
16,000 records / 255 sets (non-volatile memory) |
| Datalogging sample rate |
1 to 86,400 seconds per record |
| Time weighting |
FAST: 125mS, SLOW: 1 sec. |
| MAX |
Maximum reading held |
| Level ranges |
30-80dB, 40-90dB, 50-100dB, 60-110 dB, 70-120dB, 80-130dB(Total of 6 ranges) |
| Auto range |
30 to 130dB |
| Linearity range |
50dB |
| Alarm function |
OVER indicator for readings higher than high limit. UNDER indicator for readings lower than low limit. |
| AC output |
0.707 Vrms at Full Scale |
| Output impedance |
approx. 600 Ω |
| DC output |
10mV / dB |
| Output impedance |
approx. 100 Ω |
| Power supply |
Four 1.5V ‘AA’ batteries |
| Battery life |
Approx. 30 hrs continuous operation |
| AC adapter Voltage |
6VDC |
| Voltage Ripple |
< 100mVpp |
| Supply Current |
> 100mADC |
| Socket |
Pin Ground |
| Casing |
Positive |
| External Diameter |
3.5mm |
| Operating temperature |
32 to 104°F (0 to 40°C) |
| Operating humidity |
10 to 80%RH |
| Storage temperature |
14 to 140°F (-10 to 60°C) |
| Storage humidity |
10 to 80%RH |
| Memory size |
16,000 data records with Date and Time Stamping |
| RS-232 Interface Baud rate |
9600bps |
| Dimensions |
10.4 x 2.8 x 1.4” (265 × 72 × 35mm |
| Weight |
Approx. 11.5 oz. (358g) including battery |
| Accessories |
Batteries, carrying case, screwdriver, windscreen, 3.5mm plug, RS-232cable , 9- to 25-pin gender changer, Windows compatible software. |