1) acoustic magnetic synchronous pin-pointing: | ||
a) acoustic channel | ||
Bandwidth: | ||
all-pass: | 80Hz~1500Hz | |
low-pass: | 80Hz~400Hz | |
high-pass: | 200Hz~1500Hz | |
band-pass: | 150Hz~600Hz | |
b) Signal gain: | ≥80dB | |
c) Accuracy: | 0.1m | |
2) Step voltage function(optional) | ||
a) Magnification times: | >80db | |
3) Power supply: | ||
a) Battery: | built-in Li-ion battery series,7.4V,3400mAH | |
b) Continuous work time | above 9 hours | |
c) Charger: | input AC220V±10%,50Hz;output 8.4V,DC 1A | |
d) Quick charging | below 4 hours | |
4) Display method: | 320x240 dot LCD, screen semitransparent & Semi Gloss to make sure clear display under the sun | |
5) Size: | 210mm×95mm×115mm | |
6) Weight: | 0.6kg | |
7) Use environment | -10℃~40℃,5-90% RH, elevation <4500m |