Specifications:
| Features | 7 Channel | 3 channel |
|---|---|---|
| Tubing diameter | 1.7” (43 mm) | 1.1" (28 mm) |
| Monitoring zones | up to 7 | up to 3 |
| Channel diameter | 6-Pie: 0.4" (10 mm) 1-Hex: 3/8" (9.5 mm) | 3-Hex: 3/8" (9.5 mm) |
| Channel volume | 40 mL/ft. 30 mL/ft. (center) | 30 mL/ft |
| Installation options | Sand & bentonite backfill Natural formation collapse | Bentonite & sand cartridges Sand & bentonite backfill Natural formation collapse |
| Coil lengths (Coil 4 ft. dia.) | 100 ft. (30 m), 200 ft (60 m) & 300 ft. (90 m) | 100 ft. (30 m), 200 ft (60 m) & 500 ft. (150 m) |
| Centralizer sizes (other sizes optional) | 4.4" standard (112 mm) | 3.3" standard (84 mm) |
| Borehole diameter recommended for backfill installations | 4" (100 mm) and larger | 3.5" (89 mm) and larger |
| Borehole diameter for installations with seal and sand cartridges | 2.8" - 3.5" (71 mm - 89 mm |
