| Model No. |
JAR-844 |
| Standard |
IEC pub 651 TYPE2 ANSI S1.4 TYPE2 |
| Measuring Range |
30~130dBA, 35~130dBC |
| Accuracy |
+/- 1.5dB |
| Frequency Range |
31.5Hz~8.5KHz |
| Linearity Range |
50dB or 100dB |
| Sound Measuring level selection |
(30~80dB, 50~100dB, 60~110dB, 80~130dB, 30~130dB) |
| Microphone |
1/2 inch electret condense microphone |
| Sampling frequency |
2times/second |
| Fast/Slow weight selection |
| A/C frequency weight selection |
| AC/WPM output interface |
| Over range indication |
| Max reading hold function |
| Low battery indication |
| Can record 4700 data |
| Set up spacing interval (1s~250s) |
| Connect to the computer with USB interface |
| Corresponding analyze software D |