Standard | IEC 651 Type2 |
Measuring range | A LO (Low) -weight: 35-90db A HI (High) - weight: 65-130db C LO (Low) -weight: 35-90db C HI (High) -weight: 65-130db |
Resolution ratio | 0.1dB |
Frequency range | 31.5Hz to 8KHz |
Accuracy | ±1.4dB (ref 94dB @1KHz) |
Action range | 65dB |
Weighing network frequency | A、C |
Time response | Slow &Fast |
Maximum Hold | Decay <1dB/3min |
Microphone | Polarized capacitive microphone |
Check | Internal 94.0Db position correction |
Export | AC 0.6 Vrms (scope), 600 Ω output impedance DC 10 mv/dB (normal), output impedance: 100 Ω |
Operating temperature and humidity | 0℃ to 40℃ <80% R. H. |
Storage temperature and humidity | -10℃ to 60℃ <70% R.H. |
Display | 4 number |
power supply | 1 9V battery |
size | 240mm(L)x68mm(W)x25mm(H) |
Weight | 215g |
attachment | Leather case, adjusting rod, windproof ball, battery, manual, 3.5 diameter analog output plug |