| TECHNICAL SPECIFICATION |
| Accuracies are referred at the temperature of 23°C±5°C with <80%HR |
| MEASUREMENT RANGE |
| Type A weighting |
25 - 140dB |
| Type C weighting |
30 - 140dB |
| Type Z (linear) weighting |
35 - 140dB |
| Peak C SLM |
50 - 143dB |
| Range [dB] |
0 - 90 |
10 - 100 |
20 - 110 |
30 - 120 |
40 - 130 |
50 - 140 |
| A Weighting |
25 - 90 |
25 - 100 |
25 - 110 |
30 - 120 |
40 - 130 |
50 - 140 |
| C Weighting |
30 - 90 |
30 - 100 |
30 - 110 |
30 - 120 |
40 - 130 |
50 - 140 |
| Z Weighting |
30 - 90 |
35 - 100 |
35 - 110 |
35 - 120 |
40 - 130 |
50 - 140 |
| Peak C |
50 - 93 |
50 - 103 |
50 - 113 |
50 - 123 |
60 - 133 |
70 - 143 |
|
| FREQUENCY WEIGHTING (Type A / C / Z) |
| It complies with IEC61672:2002Class 1,CNS 7129,IEC60651:1979Type 1,IEC60804:2000Type 1 |
| AC OUTPUT |
| Output ratio |
1mV AC / 0.1dB |
| Maximum output voltage |
3.2Vrms |
| Output impedance |
1kΩ |
| PC CONNECTION |
| mini-USB |
compliance with 1.1 and 2.0 release |
| Connection to USB pen drive |
suggested TRASCEND JF V30 2GB |
| GENERAL CHARACTERISTICS |
| Level linear range |
>90dB |
| Resolution |
0.1dB (Statistic), 0.01dB (1/1 e 1/3 OCT) |
| Frequency range |
10Hz - 20kHz (±0.2dB) ; 1Hz - 23kHz (±1.0dB) |
| Range gain |
-10dB, 0dB, 10dB, 20dB, 30dB, 40dB |
| Range control error |
≤ 0.1dB |
| Self-generated noise voltage |
<4µV (1Hz - 23kHz linear) |
| Background noise |
<13dB(A), 15dB(C), 25dB(Z) |
| Total noise |
<18dB(A), 23dB(C), 28dB(Z) |
| Measuring voltage range |
15µV -10V (TRMS) |
| Frequency weighting |
A / C / Z |
| Time weighting |
Fast, Slow, Impulse, Peak C+, Peak C- |
| A/D internal converter |
24 bit |
| Anti-aliasing filter |
cut-off frequency 23.5kHz, attenuation 100dB |
| Sampling rate |
20.8µs (48kHz) |
| Intergration time |
1s - 24h pre-defined or customized |
| Internal memory |
64kBytes flash memory |
| Data storage |
max 128 groups / max 256 calibrations |
| GENERAL SPECIFICATIONS |
| Display |
| Type of display |
LCD, (240x160pxl), with backlight |
| Sampling update |
1Hz (numerical), 10Hz (graphics) |
| Power supply |
| Internal supply |
4x1.5V alkaline batteries type IEC LR6, AA |
| Battery life |
about 8 hours |
| External supply |
adapter AC100-240V, 50/60Hz / 5VDC 2A |
| Mechanical specifications |
| Dimensions |
285 (L) x 90 (W) x 39 (H)mm |
| Weight (with batteries) |
500g |
| Environmental conditions |
| Max height |
2000m |
| Reference temperature |
23°C ± 5°C |
| Working temperature |
5 - 40 °C |
| Working humidity |
<80%RH (up to 31°C) and <50%RH (at 40°C) |
| Storage temperature |
-10 - 60 °C |
| Storage humidity |
<70%RH |
| Standard reference |
| Statistical and integration analysis |
IEC 61672:2002 Class 1, CNS 7129
IEC 60651:1979 Type 1, IEC60804:2000 Type 1 |
| 1/1 and 1/3 octave analysis |
IEC 61260:1995 Class 1 |