Technical specifications
Unitrode, combined LL pH glass electrode, fixed ground-joint
diaphragm, length: 125 mm
| Metrohm Part No. |
6.0258.000 |
6.0258.000 |
6.0259.100 |
| Shaft length |
125 mm |
125 mm |
125 mm |
| Shaft diameter |
12 mm |
12 mm |
12 mm |
| Min. immersion depth |
30 mm |
30 mm |
30 mm |
| Shaft material |
Glass |
Glass |
Glass |
| Electrode head |
Fixed cable (l = 2 m) with plug F + 2 x B (4 mm)
|
Fixed cable (l = 2 m) with plug F + 2 x 2 mm banana
plug |
Metrohm Type G |
| Temperature range |
0‹C – 100°C |
0‹C – 100°C |
0‹C – 100°C |
| Indicator electrode |
| Type |
Glass electrode |
Glass electrode |
Glass electrode |
| Shape |
Cylindrical |
Cylindrical |
Cylindrical |
| pH measuring range |
0 – 14 |
0 – 14 |
0 – 14 |
| Membrane glass |
U |
U |
U |
| Membrane resistance |
150 MOhm – 500 MOhm |
150 MOhm – 500 MOhm |
150 MOhm – 500 MOhm |
| Electrode zero point |
0 ± 15 mV (pH = 7) |
0 ± 15 mV (pH = 7) |
0 ± 15 mV (pH = 7) |
| Electrode slope |
>0.97 |
>0.97 |
>0.97 |
| Isotherm intersection |
0 ± 15 mV |
0 ± 15 mV |
0 ± 15 mV |
| Temperature sensor |
Pt 1000 |
Pt 1000 |
Pt 1000 |
| Reference electrode |
| Diaphragm |
Fixed ground-joint |
Fixed ground-joint |
Fixed ground-joint |
| Reference electrolyte |
c(KCl) = 3 mol/L |
c(KCl) = 3 mol/L |
c(KCl) = 3 mol/L |
| Diaphragm flow rate |
3 µL/h – 30 µL/h |
3 µL/h – 30 µL/h |
3 µL/h – 30 µL/h |
| Diaphragm resistance |
≤ 2 kOhm |
≤ 2 kOhm |
≤ 2 kOhm |
| Reference element |
LL system |
LL system |
LL system |
| Reference element resistance |
3 kOhm |
3 kOhm |
3 kOhm |
|
