Catalog: Education Catalog | |
| the cell cup select the tds range and push the appropriate button to read tds or ... | |
| sinking easy-to-replace cap membranes push-button calibration and temperature salinity to ... orp electrode w/3 cable piercing probe double junction flat glass probe double ... | |
| this feeder using two waterproof buttons and the led display the multiple- ... each feed start manual feeding with the push of a button 6 l x 31/4 w x 41/2 h ... can be set for a single feeding or double feeding manual override allows instant ... in volume includes a mounting bracket double-sided tape and two aa batteries weighs .4 lb ... | |
