The 5 in 1 digital Multifunctional Environment Meter is designed to combine the functions of Sound Level Meter, Light Meter, Anemometer, Humidity Meter and Temperature Meter. It is an ideal Multifunctional Environment Meter with different practical applications for noise engineering, environmental measurement, quality control, health prevention, and various environmental quality measurements, such as measurement and application in construction projects, factories, schools, offices, transportation routes, homes, marine environments,etc
| Sound Level | |||||
| Applied Standard | IEC61672-1 CLASS2 | ||||
| Accuracy | ±2.0dB | ||||
| Display | 4digts | ||||
| Resolution | 0.1dB | ||||
| Frequency response | 31.5Hz～8kHz | ||||
| Measurement range | Auto：35dB～130dB | ||||
| Frequency weighting | dBA | ||||
| Time weighting | （SLOW）1 | ||||
| Microphone | 1/2 inch Electric condenser microphone | ||||
| Visual Led indication | 3 color LED indication ( refer to color and sound level correspondence table in Part 7.1) | ||||
| Buzzer alarm | Alarm 20s, stop 60s circularly (preset on,can turn off manually) | ||||
| Attention: | Hold the meter in hand or use the tripod to affix the meter in the desired location. The best measuring distance is 1~1.5m away from the microphone to the sound source. | ||||
| Light | |||||
| Measuring range | 0 Lux～200K Lux, 0Fc～20KFc | ||||
| Spectral response | CIE photopic（CIE human eye response curve） | ||||
| Spectral accuracy | CIE Vλfunction f1’≦6% | ||||
| Cosine response | f2’≦2% | ||||
| Accuracy | ±3.5% rdg±8dgts.(<10,000Lux) | ||||
| ±4.5% rdg±10dgts.(>10,000Lux) | |||||
| Data update | 2 times/sec | ||||
| Photo detector | One silicon photo diode with filter | ||||
| 3 color LED alarm | Preset: <500Lux Green; | ||||
| 500-1000Lux: Yellow; | |||||
| >1000Lux: Red; | |||||
| Alarm value can be set by user | |||||
| Buzzer alarm | Alarm 20s, stop 60s circularly (preset turn on, | ||||
| can turn off manually) | |||||
| Air velocity | |||||
| Measuring range | 0.5~30 m/s | 1.75~105 km/h | 98.4~5905 ft/min | 0.97~58.3 knots | 1.11~67.0 MPH |
| Resolution | 0.1 | 0.1 | 1 | 0.1 | 0.1 |
| Measuring range | 150～9000 CMM | 150～9000 CMM | 150～9000 CMM | 787～47244 CFM | 787～47244 CFM |
| Resolution | 1 | ||||
| Accuracy | Reading ±3% ±0.3d | ||||
| Sampling rate | 2 times/sec | ||||
| Area set | 0.1～9999 CM²/0.1～9999 ㎡/0.1 ～9999ft² | ||||
| Measurement units | m/s, km/h, ft/min, knots, Mph, | ||||
| Air speed grade indication | Yes | ||||
| 3 color LED alarm | 3 color LED indication ( refer to color and air speed correspondence table in Part 7.2) | ||||
| Buzzer alarm | Alarm 20s, stop 60s circularly (preset on,can turn off manually) | ||||
| Temperature | |||||
| Measurement range | -20℃ ～ 60℃/-4℉～140℉ | ||||
| Accuracy | ±1.0℃/1.8℉ | ||||
| Measurement units | ℃/℉ | ||||
| Resolution | 0.1 | ||||
| Humidity | |||||
| Measurement range | 20～100%RH | ||||
| Accuracy | 35～80%RH:±5%RH，Others: ±7%RH | ||||
| Resolution | 0.1 | ||||
| Data update | 1 time/sec | ||||
| Maximum value | MAX | ||||
| Minimum value | MIN | ||||
| Average | Average value for the latest 10 times measuring | ||||
| Data Hold | HOLD | ||||
| Auto power off | Automatically power off after approx. 15 minutes inactivity | ||||
| Power supply | 3*1.5V AA or USB cable with type C connect | ||||
| Battery life | About 30 hours | ||||
| Operating condition | -20～60℃/-4～140℉，10％RH～75％RH | ||||
| Storage condition | -20～60℃/-4～140℉，10％RH～75％RH | ||||
| Dimensions | 242×68×30mm | ||||
| Weight | 292g | ||||
Accessories ① User’s manual ② Canvas bag ③ Windscreen ④ Type-C cable ⑤ 3*1.5V LR6 “AA” batteries
