Description
Features
- Compliance with Standards: GB/T 3785-2010, IEC 61672:2013, Class 1 or Class 2
- Microphone: Utilizes a project measurement microphone
- Time Weighting Options: Fast (F), Slow (S), Impulse (I)
- Integrating Time: Manually adjustable measurement time
- Display: Features a TFT color LCD display with 0.1 dB resolution, overload, under-range
- Digital Output: Provides an RS 232 serial interface via a DB 9 male connector
- Storage: Supports 2 GB or 4 GB SD cards for data storage
- Power Source: Batteries, providing 18 hours of operation under reference conditions
- Dimensions: Compact outline size
Technical Specifications
Standard | GB/T 3785-2010, IEC 61672:2013, Class 1 or Class 2 |
Measurement Parameters | Lp, Leq, LAE, L5, L10, L50, L90, L95, Lmax, Lmin, LCpeak, EA |
Microphone | Project measurement microphone of Type HY207 Class 1, or HY205 Class 2, nominal diameter 0.5 in (12.7 mm), free-field frequency response. |
Measurement Range | A: 30 dB to 130 dB, C: 40 dB to 130 dB, Z: 45 dB to 130 dB |
Time Weighting | F (Fast), S (Slow), I (Impulse) |
Filters | 1/3 octave filter and 1/1 octave filter |
Integrating Time | Manually controlled measurement time during 5 s to 99 h 59 min 59 s |
Display | TFT color LCD, resolution 0.1 dB, with overload, under-range, and low battery voltage indicators. |
Digital Output | Output socket DB9 male connector, RS232 serial interface, baud rate 9600 Bd. Portable minitype thermal printer RD-V32-SN can be connected to it. |
Storage | 2 GB or 4 GB SD card |
Power | 4x R6 batteries, last for 18 h at reference conditions |
Temperature Range | Class 1: 14 °F to 122 °F (-10 °C to 50 °C), Class 2: 32 °F to 104 °F (0 °C to 40 °C) |
Outline Size | L: 13.39 in (340 mm), W: 2.95 in (75 mm), H: 0.98 in (25 mm) |