FR1197170A - Self-contained single-battery device for ph measurement - Google Patents
Self-contained single-battery device for ph measurementInfo
- Publication number
- FR1197170A FR1197170A FR1197170DA FR1197170A FR 1197170 A FR1197170 A FR 1197170A FR 1197170D A FR1197170D A FR 1197170DA FR 1197170 A FR1197170 A FR 1197170A
- Authority
- FR
- France
- Prior art keywords
- self
- measurement
- battery device
- contained single
- contained
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
- G01R17/10—AC or DC measuring bridges
- G01R17/16—AC or DC measuring bridges with discharge tubes or semiconductor devices in one or more arms of the bridge, e.g. voltmeter using a difference amplifier
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1197170T | 1958-05-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1197170A true FR1197170A (en) | 1959-11-27 |
Family
ID=9669557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1197170D Expired FR1197170A (en) | 1958-05-27 | 1958-05-27 | Self-contained single-battery device for ph measurement |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1197170A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4998068A (en) * | 1989-05-16 | 1991-03-05 | In-Situ, Inc. | Bias current control for providing accurate potentiometric measurements |
-
1958
- 1958-05-27 FR FR1197170D patent/FR1197170A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4998068A (en) * | 1989-05-16 | 1991-03-05 | In-Situ, Inc. | Bias current control for providing accurate potentiometric measurements |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH380416A (en) | Angular acceleration measuring device | |
FR1200500A (en) | Device for measuring lengths | |
CH364641A (en) | Force measuring device | |
FR1241620A (en) | Photoelectric measuring device | |
FR1197170A (en) | Self-contained single-battery device for ph measurement | |
FR1221713A (en) | Device for measuring angles in buildings | |
FR1220602A (en) | Device for measuring lengths | |
FR1205695A (en) | Time measuring device | |
FR1186549A (en) | Graduated instrument for parallel perspective plots | |
FR1096953A (en) | Bore measuring device | |
FR1204750A (en) | Pneumatic device for length measurement | |
FR1135318A (en) | Weighing device | |
CH324712A (en) | Measuring device for testing workpieces | |
FR1291514A (en) | Improved indicating device for measuring device | |
FR1228607A (en) | Measuring device | |
FR1230529A (en) | Device for temperature measurement | |
CH360515A (en) | Force measuring device | |
FR1278817A (en) | Spectro-fluorescence measuring device | |
FR1267136A (en) | Advanced indicating device for measuring device | |
FR1168563A (en) | Device for measuring hardness | |
CH336602A (en) | Measuring device | |
FR1130083A (en) | Indicator device | |
FR1256852A (en) | Micrometric displacement measuring device | |
FR1216803A (en) | Device for measuring times | |
FR1175237A (en) | Advanced measuring device dial |