| Specification |
| |
GT1355 GT1355A GT1355B |
| Calibration sound source |
94dB@1KHz |
| Measurement range |
30~130 dB(A),35-130dB(C) |
| Accuracy |
±1.5dB(Reference sound pressure standard,94dB@1KHz) |
| Resolution |
0.1dB |
| Frequency weighting |
Aand C |
| Frequency response |
31.5Hz-8500Hz |
| Time weighting |
FAST/SLOW |
| Sampling rate |
FAST.8 times/second SLOW:1 times/second |
| Rated current |
70mA |
| Standby current |
5uA |
| Charging time |
1.5h |
| Duration of service |
8h |
| Microphone |
1/2-inch polarization capacitance microphone |
| Operating temperature |
0~50℃ |
| Operating humidity |
10-80%RH |
| Power supply |
3.7V lithium battery /1000mAh |
| Dimension |
160*58*31mm(Excluding sponge bal) |
| Weight |
Approx 126g(Excluding sponge ball) |
Approx 120g(Excluding sponge ball) |
Approx 114g(Excluding sponge ball |
| Data storag |
31000 |
43000 |
43000 |
| LCD |
VA color screen |
IPS color screen |
IPS color screen |
| DC output |
× |
x |
√ |
| Max/Min/Current value |
Maximum/current value |
Max/Min/Current value |
Max/Min/Current value |
| Data retenion |
√ |
√ |
√ |
| Data read |
View only on a PC |
Product and PC end |
Product and PC end |
| Three-cdlor light alarm |
√ |
√ |
√ |
| Automatic shutdown |
None About 10 minutes |
Automatic shutdown duration can be set |
Automatic shutdown duration can be set |
| Time date display |
Time and date switch display |
The time and date are displayed simultaneously |
The time and dale are displayed simultaneously |