Sound Level Meter DT-8850
Sound Level Meter DT-8850; 1. Complies with IEC651 TYPE 2 standard; 2. Frequency range: 31.5Hz~8 KHz; Measurement range: 35dB ~ 130dB; 3. 4-digit LCD display, 0.1dB resolution; 4. Data logging and MAX, MIN value measurement functions; 5. Built-in calibration check function; 6. Two sound level frequency weightings: A and C;
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Overview
Specifications
| Parameter | Value |
|---|---|
| Applicable Standards | IEC651 TYPE 2 |
| Frequency Range | 31.5 Hz~8 KHz |
| Measurement range | 35 dB~130 dB |
| Sound Level Frequency Weighting | A and C |
| Microphone | 1/2 inch polarized condenser microphone |
| Calibration | Calibrated at 1 kHz sine wave, 94 dB signal |
| Display | 4-digit LCD display |
| Resolution | 0.1 dB |
| Value Update | 0.5 s |
| Time Weighting | Fast response (125 ms), Slow response (1 sec.) |
| Measurement range | Low range: 35-100dB; High range: 65-130dB |
| Precision | ±1.5 dB (under 94 dB, 1 kHz reference conditions) |
| Dynamic Range | 65 dB |
| Alarm Function | When the input exceeds the range, the "OVER" symbol is displayed |
| MAX value lock | MAX value hold |
| AC output | 0.65 Vrms (each range), output resistance: approx. 600 Ω (FS: reaching the maximum limit of each level) |
| DC output | 10 mV/dB, output resistance approx. 100 Ω |
| Power Supply | One 9 V battery, 006P or IEC 6F22 or NEDA 1604 |
| Battery Life | At least 50 hours (alkaline battery) |
| Operating Temperature | 0~40 ℃(32~104℉) |
| Operating Humidity | 10~90 %RH |
| Storage temperature | -10~60 ℃(14~140℉) |
| Storage Humidity | 10~75 %RH |
| External dimensions | 245 mm × 64 mm × 31 mm |
| Weight | 255 g (including battery) |
Datasheet
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