JPH02109246U - - Google Patents
Info
- Publication number
- JPH02109246U JPH02109246U JP1806489U JP1806489U JPH02109246U JP H02109246 U JPH02109246 U JP H02109246U JP 1806489 U JP1806489 U JP 1806489U JP 1806489 U JP1806489 U JP 1806489U JP H02109246 U JPH02109246 U JP H02109246U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- layer
- concentration
- acid
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002253 acid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は本考案による酸水溶液の濃度を測定す
るセンサの構造を示す正面図、第２図は第１図に
於けるＡ―Ａ線断面図、第３図は本考案センサに
用いた保護膜の拡大断面図、第４図は硫酸水溶液
中の濃度を連続的に測定したときの濃度センサの
特性の変化を示す図である。
１……湿度センサ、２……多孔質非透水性フツ
素樹脂層、３……水蒸気選択透過層、４……酸蒸
気吸収層、５……保護膜。
Figure 1 is a front view showing the structure of the sensor for measuring the concentration of an acid aqueous solution according to the present invention, Figure 2 is a sectional view taken along line A--A in Figure 1, and Figure 3 is the protection used for the sensor of the present invention. FIG. 4, an enlarged cross-sectional view of the membrane, is a diagram showing changes in the characteristics of the concentration sensor when the concentration in an aqueous sulfuric acid solution is continuously measured. DESCRIPTION OF SYMBOLS 1... Humidity sensor, 2... Porous non-water permeable fluororesin layer, 3... Water vapor selectively permeable layer, 4... Acid vapor absorption layer, 5... Protective film.
Claims (1)
蒸気選択透過層と酸蒸気吸収層とを備える多重層
構造膜を一体に積層した保護膜で保護したことを
特徴とする酸水溶液の濃度を測定するセンサ。 Measuring the concentration of an acid aqueous solution, characterized in that a humidity sensor is protected by a protective film formed by integrally laminating a multilayer structure film comprising a porous water-impermeable fluororesin layer, a water vapor selectively permeable layer, and an acid vapor absorption layer. sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1806489U JPH0635172Y2 (en) | 1989-02-17 | 1989-02-17 | Sensor for measuring the concentration of aqueous acid solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1806489U JPH0635172Y2 (en) | 1989-02-17 | 1989-02-17 | Sensor for measuring the concentration of aqueous acid solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02109246U true JPH02109246U (en) | 1990-08-31 |
| JPH0635172Y2 JPH0635172Y2 (en) | 1994-09-14 |
Family
ID=31232372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1806489U Expired - Lifetime JPH0635172Y2 (en) | 1989-02-17 | 1989-02-17 | Sensor for measuring the concentration of aqueous acid solution |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635172Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856342A (en) * | 2019-04-03 | 2019-06-07 | 北京康孚科技股份有限公司 | A kind of concentration of salt solution on-line measurement device |
-
1989
- 1989-02-17 JP JP1806489U patent/JPH0635172Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856342A (en) * | 2019-04-03 | 2019-06-07 | 北京康孚科技股份有限公司 | A kind of concentration of salt solution on-line measurement device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635172Y2 (en) | 1994-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0212644U (en) | ||
| JPH048954U (en) | ||
| JPH0346857U (en) | ||
| JPS62184460U (en) | ||
| JPH0635172Y2 (en) | Sensor for measuring the concentration of aqueous acid solution | |
| JPS6279158U (en) | ||
| JPS62102124U (en) | ||
| JPS6434226U (en) | ||
| JPS63173303U (en) | ||
| JPS61195463U (en) | ||
| JPS61117168U (en) | ||
| JPS6321275U (en) | ||
| JPH0329072U (en) | ||
| JPH02107951U (en) | ||
| JPH0218599U (en) | ||
| JPH025061U (en) | ||
| JPH01126529U (en) | ||
| JPS62100018U (en) | ||
| JPH02103260U (en) | ||
| JPH01137399U (en) | ||
| JPS62102123U (en) | ||
| JPS62174234U (en) | ||
| JPS6210006U (en) | ||
| JPH0217664U (en) | ||
| JPS61129120U (en) |