Low-maintenance gel electrolyte pH electrode with integrated temperature sensor, QSC, memory for 10 calibrations, stored serial number, pH 0.000 to 14.000 (±0.004 pH), temperature range 0.0 to 80.0°C ±0.2°C

Combined pH electrode with plastic shaft, electrolyte 3 mol/l KCl, integrated temperature sensor, QSC, memory for 10 calibrations, stored serial number, pH 0.000 to 14.000 (±0.004 pH), temperature range 0.0 to 80.0°C ±0.2°C

Precisely combined pH electrode with glass shaft, electrolyte 3 mol/l KCl, integrated temperature sensor, platinum wire diaphragm, QSC, memory for 10 calibrations, stored serial number, pH 0.000 to 14.000 (±0.004 pH), temperature range 0.0 to 100.0°C ±0.2°C

Robust, universal 4-pole graphite conductivity measuring cell with integrated temperature sensor, memory for 10 calibrations, stored serial number, measuring range 10 µS/cm to 2000 mS/cm ±0.5% of measuring value, 0.0 to 100.0°C ±0.2°C, cell constant 0.475 cm-1

2-pole stainless steel conductivity measuring cell for low conductivities, with integrated temperature sensor, flow-through vessel, memory for 10 calibrations, stored serial number, measuring range 0.01 µS/cm to 200 µS/cm ±0.5% of measuring value, 0.0 to 100.0°C ±0.2°C, cell constant 0.1 cm-1

Extremely fast (T99<60s) and accurate optical oxygen sensor for field and laboratory use. Light-weight and practical to use, it matches all BSB bottle formats. Watertight for depth measurements of max. 25 m. Beveled, air bubble-repellent membrane. Green light technology for a long useful life. Insensitive to H2S. O2 concentration: 0.00 to 20.00 mg/l, O2 saturation: 0.0 to 200.0%; O2 partial pressure: 0.0 to 400 hPa all ±0.5% of measuring value