| Model | GL-42 |
| Description | Glass electrode |
| Range | 0-14 pH |
| Temp. | 0-90℃ |
| Type Ref. | Ag/AgCl |
| Junction | Ceramic |
| Refillable | Yes |
| Body | Glass |
| Connector | BNC |
| Size(mm) | 96 x 12 |
| Cable | 1 m |
| Model | GL-42 |
| Description | Glass electrode |
| Range | 0-14 pH |
| Temp. | 0-90℃ |
| Type Ref. | Ag/AgCl |
| Junction | Ceramic |
| Refillable | Yes |
| Body | Glass |
| Connector | BNC |
| Size(mm) | 96 x 12 |
| Cable | 1 m |