Overview
Enviro Testers noise level meter decibel meter is a complex and precise device for precise measurement of sound. The instrument has a durable structure and can be used normally for several years under proper operation conditions.
Technical Specifications
| Accuracy | 2341 °F to 23 °F (±5 ℃)
The frequency weighting accords with the IEC 61672 type 2 standard and calibrated under the condition of input signal 94dB (31.5 Hz to 8 kHz) |
| Frequency Range | 31.5 Hz to 8 kHz |
| Time Response | Quick response of T of 200 ms
Time response simulate human ear’s time response |
| Microphone | Capacitor microphone
Size of Microphone 0.5 in (12.7 mm) |
| Range | 30 dB to 130 dB |
| Maximum Output Resistance | 200 Ω
The power supply mode DC 12 V |
| Power Consumption | DC 12 V of 20 mW |
| Installation Method | The transfer plate is placed in a round black pipe with a length of 7.09 in (180 mm), an outer diameter of 0.98 in (25 mm), and an inner diameter of 0.71 in (18 mm), seal treatment on both sides |
| Working Humidity | < 80% relative humidity |
| Working Temperature | 32 ℉ to 122 ℉ (0 °C to 50 °C) |
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