| 2.827.0219 | 827 pH lab; 230 V, UK with Unitrode |
| pH-Meter with IrDa-Interface and 6.0258.600 Unitrode | |
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| 2.827.0217 | 827 pH lab; 240 V, AUS with Unitrode |
| pH-Meter with IrDa-Interface and 6.0258.600 Unitrode | |
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| 2.827.0215 | 827 pH lab; 120 V, US with Unitrode |
| pH-Meter with IrDa-Interface and 6.0258.600 Unitrode | |
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| 2.827.0214 | 827 pH lab; 230 V, EU with Unitrode |
| pH-Meter with IrDa-Interface and 6.0258.600 Unitrode | |
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| 2.827.0119 | 827 pH lab; 230 V, UK with Primatrode |
| pH-Meter with IrDa-Interface and 6.0228.010 Primatrode | |
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| 2.827.0117 | 827 pH lab; 240 V, AUS with Primatrode |
| pH-Meter with IrDa-Interface and 6.0228.010 Primatrode | |
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| 2.827.0115 | 827 pH lab; 120 V, US with Primatrode |
| pH-Meter with IrDa-Interface and 6.0228.010 Primatrode | |
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| 2.827.0114 | 827 pH lab; 230 V, EU with Primatrode |
| pH-Meter with IrDa-Interface and 6.0228.010 Primatrode | |
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| 2.780.0010 | High-precision 780 pH Meter |
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