The LISST-ABS is a low-coast acoustic backscatter sensor designed specifically for measuring suspended sediment concentration.

| Part |
Specifications |
| Sensor Dia |
2.00 in (5.08 cm) |
| Length |
13.25 in (33.65 cm) |
| Weight |
buoyant in water. 1 lb. (0.5 Kg) in air; 0.5 lb. (0.22Kg) |
| Transducer |
100 m (check with factory for deeper rating) |
| Max. Depth |
9 to 18 VDC, 100 mA |
| Material |
ABS Plastic |
| Connector type |
Impulse MCBH-8-MP-SS |
| Power on LED |
Green, blink on update |
| Sample update rate |
1Hz [average of 1000 measurements] |
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