SU87345A1 - Instrument for remote measurement of pH and redox potential of liquids - Google Patents
Instrument for remote measurement of pH and redox potential of liquidsInfo
- Publication number
- SU87345A1 SU87345A1 SU412125A SU412125A SU87345A1 SU 87345 A1 SU87345 A1 SU 87345A1 SU 412125 A SU412125 A SU 412125A SU 412125 A SU412125 A SU 412125A SU 87345 A1 SU87345 A1 SU 87345A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- liquids
- redox potential
- instrument
- lamp
- measuring
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims description 4
- 238000001139 pH measurement Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229940075397 calomel Drugs 0.000 claims description 3
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical compound Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- -1 hydrogen ions Chemical class 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Description
Известны приборы дл дистанционного измерени концентрации водородных ионов и окислительно-восстановительного потенциала жидкостей с датчиком, содержащим стекл нный, каломельный и платиновый электроды, переключаемые посредством электрического переключател . Эти приборы имеют также измерительное устройство в виде лампового усилител и средств измерени , вынесенное на диспетчерский пункт.Instruments are known for remotely measuring the concentration of hydrogen ions and the redox potential of liquids with a sensor containing glass, calomel, and platinum electrodes, switched by means of an electrical switch. These instruments also have a measuring device in the form of a tube amplifier and measuring instruments placed at the control room.
Однако точность измерений с помощью таких приборов невелика .However, the accuracy of measurements using such devices is low.
В описываемом приборе дл повышени точности измерений перва лампа усилител , на сетку которой подаетс потенциал электрода, установлена в корпусе датчика. Дл дистанционного переключени электродов с диспетчерского пункта в корпусе датчика может быть установлен релейный переключатель.In the described device for improving the accuracy of measurements, the first amplifier lamp, to the grid of which the potential of the electrode is applied, is installed in the sensor housing. A relay switch can be installed in the sensor housing to remotely switch electrodes from the control room.
На чертеже изображена схема прибора.The drawing shows a diagram of the device.
Прибор дл дистанционного измерени концентрации водородных ионов и окислительно-восстановительного потенциала жидкостей состоит из датчика / со стекл нным, каломельным и платиновым электродами 2, 3 и 4, усилительной лампой 5 и реле 6 и 7, переключающими электроды 2, 3 и 4 при помощи контактов 8, 9, 10 и 11, и измерительного устройства 12, включающего трансформатор 13 питани , кенотрон 14, гальванометр 15 и сухую батарею 1б. На лампу 5 от потенциометра 17 подаетс отрицательное сеточное напр жение, а к гальванометру 15, щунтированному сопротивлением 18, ток от батареи 16. Дл питани реле 6 н 7 примен етс выпр митель 19.A device for remote measurement of hydrogen ion concentration and redox potential of liquids consists of a sensor / with glass, calomel and platinum electrodes 2, 3 and 4, an amplifying lamp 5 and a relay 6 and 7, switching electrodes 2, 3 and 4 using contacts 8, 9, 10, and 11, and a measuring device 12, which includes a power transformer 13, a kenotron 14, a galvanometer 15, and a dry battery 1b. The lamp 5 from the potentiometer 17 is supplied with a negative grid voltage, and to the galvanometer 15, bypass 18, a current is drawn from the battery 16. A rectifier 19 is used to power the 6 n 7 relay.
Определение измер емых величин производитс при помощи гальванометра 15, имеющего соответствующим образом проградуированнуюMeasurement is determined using a galvanometer 15 having a suitably graduated
№ 87345№ 87345
шкалу 20. Приведение его к нулевому значению производитс при помощи сопротивлени 21, когда при включении реле 6 сетка 22 лампы 5 через контакт 9 реле 6 замьщаетс .с катодом 23. При выключении реле 6 сетка 22 лампы 5 посредством контакта 8 непосредственно присоедин етс к электроду 2, вл ющемус источником отрицательного напр жени , а электрод 3 присоедин етс к катоду 23 через контакт 10 выключенного реле 7. В случае измерени величины окислительно-восстановительного потенциала электрод 3 присоедин етс к сетке 22 лампы 5 через контакт 9. Замыкание контактов 8, 9, 10 и // производитс при помощи релейного переключател 24.scale 20. It is brought to zero with the help of resistance 21, when switching on the relay 6 the grid 22 of the lamp 5 through the pin 9 of the relay 6 is clamped with the cathode 23. When turning off the relay 6 the grid 22 of the lamp 5 is connected via contact 8 to the electrode 2, which is a source of negative voltage, and the electrode 3 is connected to the cathode 23 through the contact 10 of the switched off relay 7. In the case of measuring the magnitude of the redox potential, the electrode 3 is connected to the grid 22 of the lamp 5 through the contact 9. Closing contacts 8, 9, 10 and // is produced by means of the relay switch 24.
Описываемый прибор позвол ет упростить процесс измерени и повысить надежность получаемых результатов.The described device allows to simplify the measurement process and increase the reliability of the results obtained.
Предмет изобретени Subject invention
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU412125A SU87345A1 (en) | 1950-01-24 | 1950-01-24 | Instrument for remote measurement of pH and redox potential of liquids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU412125A SU87345A1 (en) | 1950-01-24 | 1950-01-24 | Instrument for remote measurement of pH and redox potential of liquids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU87345A1 true SU87345A1 (en) | 1950-11-30 |
Family
ID=48259116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU412125A SU87345A1 (en) | 1950-01-24 | 1950-01-24 | Instrument for remote measurement of pH and redox potential of liquids |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU87345A1 (en) |
-
1950
- 1950-01-24 SU SU412125A patent/SU87345A1/en active
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