Pen Meter
| Product Name | Product Code | Company |
| Pen ORP Meter ST10R | 2OH-30073984 | OHAUS |
| PEN METER ST20T-B | 2OH-30073981 | OHAUS |
| PEN METER ST20C-C | 2OH-30073977 | OHAUS |
| ST20 PEN METER | 2OH-30073917 | OHAUS |
| PEN SALINITY METER ST20S, 0.1 PPT, 2 LINES DISPLAY | 2OH-30073983 | OHAUS |
| PEN PH METER, ST 20, 0.01 PH, 2 LINES DISPLAY | 2OH-30073971 | OHAUS |
