Description
Description
The DB02 is ideal for testing audible appliances for the public operating mode of an emergency voice/alarm system in accordance with manufacturers instructions.
Features
- Meets ANSI S1.4 TYPE 2 and IEC651 TYPE 2 standards
- Large backlit LCD plus analog bar graph
- Wide input frequency with "A" weighting
- Fast (125 ms) time responce
- Autoranging
- MIN & MAX ranging hold
- Analog output
- Auto power off
- Low battery indicator
- CE approved
- Includes 9V Battery and windshield ball
Specifications
| Measurement Range | 40-130 dB Over 4 Ranges |
| Measurement Accuracy | ±2dB @ 94dB & 1KHz |
| Frequency Range | 100Hz-8.3KHz |
| Frequency weighting | "A" Type |
| Time Weighting | Fast Time Constant (125ms) |
| Digital Display Type | 4-Digit (4000 Count) LCD |
| Digital Display Resolution | 0.1dB |
| Digital Display Update Period | 160ms |
| Analog Bar Graph Resolution | 1dB |
| Analog Bar Graph Update Period | 40ms |
| Analog Output Type/Amplitude | 0-.707 Vrms Full-Scale |
| Auto-Off Power Trigger | 20 Minutes of Inactivity |
| Sensor Type | 1/2" Electret Condenser Microphone |
| Battery Life | 30 Hours (Typical) |
| Operating Temperature | 0°C-50°C @ 10-85% RH |
| Power Source | 9V Battery (Included) |
