Measure turbidity in streams where a Secchi disk cannot be used.
Clear polycarbonate tube (in 2 lengths) has a 4.5 cm diameter Secchi disk design on the bottom. Drain the tube with hose and finger clamp. Longer length meets requirements of GLOBE. Available in 60 cm and 120 cm.
| CAT. NO. | DESCRIPTION |
| 623-2050 | Turbidity Tube, 120 cm |
| 623-2055 | Turbidity Tube, 60 cm |
Advanced Dissolved Oxygen Benchtop Meter with Optical DO Probe (opdo®)
Hanna instruments - HI6421
Upon Request
Advanced Dissolved Oxygen Benchtop Meter with Polarographic DO Probe
Hanna instruments - HI6421P
Upon Request
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