Multi-function Environmental Tester DT-8820
With K-type temperature, humidity, illuminance, and noise testing functions. It can be widely used in environmental protection, industry, agriculture and other fields requiring comprehensive environmental factors. ; The 4-in-1 multi-function environmental tester is an instrument integrating a sound level meter, illuminance meter, humidity meter and temperature meter, and can be used for industrial and civil purposes. ; The sound level range can be used to test noise in factories, schools, offices, airports and homes. Detect the corresponding high-fidelity devices.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Display | The 1999-count large display can show light (x10), temperature (℃, ℉), humidity and sound level (C, A sound level, high, low decibel), maximum value and perform data hold. |
| Polarity | Positive/Negative Polarity Indicator |
| Overload | "OL" overload display |
| Low battery indication | When the battery is low, "BAT" will appear on the display |
| Measurement Speed | 1.5 times per second |
| Storage Temperature | -10 ℃ to 60 ℃ (14℉ to 140℉), <80 % relative humidity |
| Auto power off function | Auto power off in 10 seconds when no operation is performed on the meter |
| Battery | One 9 V, NEDA1604 or 6F22 battery |
| A-weighted sound level, bass | 35-100 dB |
| A-weighted sound level, bass | 65-130 dB |
| C-weighted sound level, bass | 35-100 dB |
| C-weighted sound level, bass | 65-130 dB |
| Resolution | 0.1 dB |
| Test frequency range | 30 Hz-10KHz |
| Frequency sound level | A, C sound level |
| Precision | ±3.5 dB - 94 dB 1KHZ |
| Measurement range | 20, 200, 2000, 20,000 lux |
| Precision | ±(5 % rdg +10) |
| Repeatability | ±2 % |
| Resolution | 0.1 %RH, 0.1 ℃, 1 ℃/ 0.1℉, 1℉ |
| Humidity | ±5 %RH (35 %~95 %RH when above 25 ℃) |
| Sensor response time | Approximately 6 minutes |
| Input voltage protection | 60 V DC or 24 V AC |
| Dimensions (HxWxD) | 251 mm × 63.8 mm × 40 mm |
| Weight | 250 g |
| Sound velocity - Resolution | 0.1 dB |
| Sound velocity - Test frequency range | 30 Hz-10KHz |
| Sound velocity - Frequency sound level | A, C sound level |
| Sound velocity - Accuracy | ±3.5 dB - 94 dB 1KHZ |
| Luminosity - Measuring range | 20, 200, 2000, 20,000 lux |
| Luminosity - Accuracy | ±(5 % rdg +10) |
| Luminosity - Repeatability | ±2 % |
| Measuring range - Humidity | 25 %~95 %RH |
| Measuring range - Temperature [K-type temperature probe] | -20.0 ℃~+50.0 ℃ -4℉~+122℉;-20.0 ℃~+200.0 ℃ -20 ℃~+750 ℃;;-4.0℉~+200℉, -4℉~+1400℉ |
| Humidity/Temperature - Resolution | 0.1 %RH, 0.1 ℃, 1 ℃/ 0.1℉, 1℉ |
| Humidity/Temperature - Humidity | ±5 %RH (35 %~95 %RH when above 25 ℃) |
| Humidity/Temperature - Sensor response time | Approximately 6 minutes |
| Humidity/Temperature - Temperature | ±3%rdg±2 ℃(at-20.0℃~+200.0 ℃);±3.5%rdg±2 ℃(at-20.0℃~+750 ℃);±3%rdg±2℉(at-4.0℉~ +200.0℉);±3.5%rdg±2℉(at-4℉~+1400℉) |
Applications
Datasheet
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