Overview
Enviro Test Construct sound level meter with usb data logger features both analog and digital signal output functionalities suitable for extended use with an external transformer power supply. It can store 32,000 records, enabling data download via a USB cable or simultaneous display of measured values and records on the computer screen.
Features
- Data logging capable of storing up to 32,000 records
- Recording interval setup adjustable between 0.1 seconds to 30 seconds
- Data hold includes MAX HOLD and MIN HOLD functionalities
- Overload Indication Indicates “OVER” or “UNDER” when overload occurs
- Analog Signal Output Provides AC/DC signal output, including output from the headphone
- AC Output Range AC output at 1 Vrms (Full Scale) with an approximate output impedance of 100 Ω
- DC Output Range Offers DC output at 10 mV/dB with an approximate output impedance of 1 KΩ
- Correction Method Utilizes knob correction (adjustment via side knob)
Technical Specifications
| Display | 4 digits |
| Sound level range | Low 30 dB to 80dB Middle 50 dB to 100dB High 80 dB to 130dB |
| Resolution | 0.1 dB |
| Frequency range | 31.5 Hz to 8 KHz |
| Accuracy | ± 1.5 dB (94 dB, 1KHz) |
| Dynamic range | 50 dB |
| Frequency weighting | A and C |
| Elevation limitation | < 1093 yd (1000 m) |
| Power supply | DC 9 V battery x 1 V or 9 V transformer (ADP-01) |
| Storage environment | 14 °F to 104 °F (- 10 °C to 40 °C) Lower than 80 % RH without dew |
| Working environment | 32 °F to 104 °F (0 °C to 40 °C) 10% RH to 90% RH without dew |
| Microphone | 0.5 in (12.7 mm) electric condenser microphone |
| Dimension | 10.82 in x 2.51 in x 1.18 in (275 mm x 64 mm x 30 mm) |
| Weight | 9.7 oz (275 g) |
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