DE19836128A1 1998年8月10日 2000年2月24日 Siemens Ag Robust sensor circuit controlling pumping current to oxygen sensor cell with solid electrolyte, uses combination of analog and digital circuitry, controlling errors when measuring exhaust gas nitrogen oxide and oxygen...
By connecting the inner electrodes of the pumping and the Nernst cells in the diffusion gap volume to a short circuit, a uniform pressure of oxygen between those electrodes, PO2,d, can be expected and can be measured by the Nernst cell according to Equation 6 RT Vs = 4F ln PO2 PO2,...
but with this you polymer press overheating again so with one clock sensor you can choose a short time in a cycle to activate press (you can you two clock and a "Or gate" to use it two time a day so your press have the time to cooling down), try with a shorter time possible and...
So a very simple 0 – 5 Volt signal, representing 0 – 25% Oxygen. So, a very quick way to test the sensor and make sure it does what it wants you to do. Customers would typically design their own circuity because as I said, all it needs is 2 pins, the 2 UART pins and a mi...
Getting atmo switches on your doexydizers is pretty critical for avoiding heat as well as waste - i generally set mine to 1100g and put the sensor about 10 tiles above the unit. Its better to overpressurixe the base and vent a little o2 - but not UP, out to the left and right....
The dissolved oxygen content was measured by a HACH HQ30D Flexi digital single-channel multiparameter device with a luminescent LDO101 sensor; the accuracy of the device was 0.1 mg/L26. The probe was calibrated several times during the experiment at in solutions. For the experiment to deter...
problem that an excessively large sensor-current flows, accompanying the high applied voltage. In such a case, a large current flows into a bias control circuit for generating a voltage to be applied to the air-fuel ratio sensor, raising a problem such as dissipation of heat in the circuit....
PURPOSE:To prevent an oxygen sensor from the variation with time caused by dust, etc. by impressing a voltage between the inner electrode and an outer second electrode, while short-circuiting an electrode in a reference chamber and an outer first electrode, and measuring the current flowing ...
PURPOSE:To obtain a measured value of high reliability without lowering sensitivity in spite of long-time use by discharging the oxygen in a reference space to the outside by the oxygen pumping action of a solid electrolyte in a reference circuit. CONSTITUTION:In measuring the concn. of oxygen...
Alternately, according to another embodiment of this invention, the sensor of this invention could be used as described above with the addition that the pumping current I1 through cell 21 is also measured by suitable circuitry connected across cell 21. In this case I1 is proportional to the ...