This product includes a Traceable Calibration Certificate with full Data and Uncertainties.
This product includes a Traceable Calibration Certificate with full Data and Uncertainties.
Discontinued!
This product has been discontinued and is no longer available.
This is the direct replacement:
Extech 407764 Datalogging Sound Level Meter with NIST Traceable Calibration
| 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 | 16000 records / 255 sets (non-volatile memory) |
| Datalogging sample rate | 1 to 86400 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 | 16000 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. |
| 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 | 16000 records / 255 sets (non-volatile memory) |
| Datalogging sample rate | 1 to 86400 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 | 16000 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. |
