Product Features:
3 1/2 digit LCD disy, with analog bar fast response indication, more intuitive reading noise parameter values
1/2 inch capacitive microphone with windproof ball for noise measurement at higher ambient sound levels
A/C: A-weighted (simulated human ear) and C-weighted (simulated mechanical) mode selection
With automatic range/manual range selection
FAST/SLOW: Fast and slow response speed options (fast 125ms, slow 1 second)
With battery and external power supply two options.
MAX/MIN: maximum value, minimum value measurement mode
Automatic shutdown: can cancel automatic shutdown.
Data store, can manually save/invoke up to 63 groups of data
With AC and DC analog signal output function, can be connected to the analyzer or recorder
Calibration function, external calibration potentiometer.
Overload prompt: UNDER range (UNDER), OVER range (OVER) disy
Data retention,LCD backlight function
Instruments comply with the CE European Community (European Unio--)
n) Standard
| Basic function | The range of | Basic accuracy |
| Model number |
|
UT352|UT351 |
| The scope of | 30～80dB | ±1.5dB |
| 50～100dB | ±1.5dB | |
| 60～110dB | ±1.5dB | |
| 80～130dB | ±1.5dB | |
| 频率The scope of | 31.5Hz～8000Hz | √ |
| Extra frequency characteristic | A&C | √ |
| Sampling rate | Fast: 8 times /s | √ |
| Slow: 1 time /s | √ | |
| Special function | ||
| Analog signal output | AC: 0.707Vrms/ each gear full scale output impedance about 600Ω | √ |
| DC: 2Vrms/ each gear full scale 10mV/dB, output impedance 100Ω | √ | |
| The number holds |
|
√ |
| Automatic shutdown |
|
√ |
| Low voltage disy | ≤4.8V | √ |
| The maximum value |
|
√ |
| Minimum value |
|
√ |
| Data storage |
|
Group 63 |
| High limit alarm | "OVER" is disyed | √ |
| Low limit alarm | "UNDER" is disyed | √ |
| LCD backlight |
|
√ |
| Analog bar | 30～130dB | √ |
| General characteristics | ||
| Power supply | The 1.5V battery (5 | |
| LCD size | 53mm × 41 mm | |
| Fuselage color | Red gray | |
| Fuselage weight | 330g | |
| Fuselage size | 273mm × 70mm × 39 mm | |
| Standard parts | Batteries, meter cases, storm balls | |
| Standard packing | Color boxes, manuals, warranty cards | |
| Standard packing数量 | Thirty sets of | |
| Standard packing尺寸 | 670mm × 385mm × 300mm | |
| Standard packing箱毛重 | 18 Kg | |
