CN203053475U - Multifunctional tester - Google Patents
Multifunctional tester Download PDFInfo
- Publication number
- CN203053475U CN203053475U CN 201220657862 CN201220657862U CN203053475U CN 203053475 U CN203053475 U CN 203053475U CN 201220657862 CN201220657862 CN 201220657862 CN 201220657862 U CN201220657862 U CN 201220657862U CN 203053475 U CN203053475 U CN 203053475U
- Authority
- CN
- China
- Prior art keywords
- amplifier
- measuring circuit
- circuit
- humidity
- sensor
- 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 - Fee Related
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
A multifunctional tester is characterized in that the multifunctional tester comprises a temperature measuring circuit, a pressure measuring circuit, a constituent measuring circuit, and a humidity measuring circuit; the temperature measuring circuit comprises a temperature sensor (1) and a first amplifier (6); the pressure measuring circuit comprises a pressure sensor (3) and a second amplifier (7); the constituent measuring circuit comprises a constituent sensor (4) and a third amplifier (8); the humidity measuring circuit comprises a humidity sensor (5) and a fourth amplifier (9); all the sensors of the four measuring circuits are in connection with the corresponding amplifiers; the four amplifiers are in connected with an integrated display (1); and a standard signal source (1) is respectively connected with the first amplifier (6), the second amplifier (7), the third amplifier (8), and the fourth amplifier (9).
Description
Technical field:
The utility model relates to a kind of surveying instrument, is specifically related to a kind of multifunctional tester.
Background technology:
In existing technology, temperature, pressure, humidity, composition measurement instrument all are the independent instruments that uses, and the various data of in-site measurement need plurality of devices cumbersome, use inconvenience, and equipment investment is big.
The utility model content:
The purpose of this utility model provides a kind of multifunctional tester, and it has multiple measurement function, has reduced equipment cost, and is easy to use.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: it comprises temperature measuring circuit, pressure measurement circuitry, the composition measurement circuit, humidity measuring circuit, described temperature measuring circuit includes temperature sensor 1, first amplifier 6, described pressure measurement circuitry includes pressure transducer 3, second amplifier 7, described composition measurement circuit includes component sensor 4, the 3rd amplifier 8, described humidity measuring circuit includes humidity sensor 5, the 4th amplifier 9, described four kinds of each sensors of metering circuit all are connected with corresponding amplifier, four amplifiers all are connected with integrated display 10, standard signal source 1 respectively with first amplifier 6, second amplifier 7, the 3rd amplifier 8, the 4th amplifier 9 connects.
Principle of work of the present utility model: temperature measuring circuit, by temperature signal input end A input temp signal, through amplifier amplify by output terminals A 1 pass to have the temperature linearity processing capacity integrated display show, pressure measurement circuitry, by pressure signal input end B input temp signal, passing to integrated display through the amplifier amplification by output terminal B1 shows, the composition measurement circuit, by composition signal input part C input temp signal, passing to integrated display through the amplifier amplification by output terminal C1 shows, humidity measuring circuit by moisture signal input end D input temp signal, is passed to integrated display through the amplifier amplification by output terminal D1 and is shown.
The utlity model has following beneficial effect: it has multiple measurement function, has reduced equipment cost, and is easy to use.
Description of drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model metering circuit schematic diagram.
Embodiment:
Referring to Fig. 1-2, this embodiment is by the following technical solutions: it comprises temperature measuring circuit, pressure measurement circuitry, the composition measurement circuit, humidity measuring circuit, described temperature measuring circuit includes temperature sensor 1, first amplifier 6, described pressure measurement circuitry includes pressure transducer 3, second amplifier 7, described composition measurement circuit includes component sensor 4, the 3rd amplifier 8, described humidity measuring circuit includes humidity sensor 5, the 4th amplifier 9, described four kinds of each sensors of metering circuit all are connected with corresponding amplifier, four amplifiers all are connected with integrated display 10, standard signal source 1 respectively with first amplifier 6, second amplifier 7, the 3rd amplifier 8, the 4th amplifier 9 connects.
The principle of work of this embodiment: temperature measuring circuit, by temperature signal input end A input temp signal, through amplifier amplify by output terminals A 1 pass to have the temperature linearity processing capacity integrated display show, pressure measurement circuitry, by pressure signal input end B input temp signal, passing to integrated display through the amplifier amplification by output terminal B1 shows, the composition measurement circuit, by composition signal input part C input temp signal, passing to integrated display through the amplifier amplification by output terminal C1 shows, humidity measuring circuit by moisture signal input end D input temp signal, is passed to integrated display through the amplifier amplification by output terminal D1 and is shown.
This embodiment has following beneficial effect: it has multiple measurement function, has reduced equipment cost, and is easy to use.
Claims (2)
1. multifunctional tester, it is characterized in that it comprises temperature measuring circuit, pressure measurement circuitry, the composition measurement circuit, humidity measuring circuit, described temperature measuring circuit includes temperature sensor (1), first amplifier (6), described pressure measurement circuitry includes pressure transducer (3), second amplifier (7), described composition measurement circuit includes component sensor (4), the 3rd amplifier (8), described humidity measuring circuit includes humidity sensor (5), the 4th amplifier (9), described four kinds of each sensors of metering circuit all are connected with corresponding amplifier, four amplifiers all are connected with integrated display (10), standard signal source (1) respectively with first amplifier (6), second amplifier (7), the 3rd amplifier (8), the 4th amplifier (9) connects.
2. a kind of multifunctional tester according to claim 1 is characterized in that the amplifier of described temperature measuring circuit, pressure measurement circuitry, composition measurement circuit, humidity measuring circuit shares an operational amplifier integrated circuit LM324.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220657862 CN203053475U (en) | 2012-12-04 | 2012-12-04 | Multifunctional tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220657862 CN203053475U (en) | 2012-12-04 | 2012-12-04 | Multifunctional tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203053475U true CN203053475U (en) | 2013-07-10 |
Family
ID=48736419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220657862 Expired - Fee Related CN203053475U (en) | 2012-12-04 | 2012-12-04 | Multifunctional tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203053475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852105A (en) * | 2012-12-04 | 2014-06-11 | 昆山平成电子科技有限公司 | Multi-functional tester |
-
2012
- 2012-12-04 CN CN 201220657862 patent/CN203053475U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852105A (en) * | 2012-12-04 | 2014-06-11 | 昆山平成电子科技有限公司 | Multi-functional tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104410418A (en) | Analog-digital conversion circuit with high dynamic range | |
| CN201233288Y (en) | Multipath data acquisition system | |
| CN102680018A (en) | Multifunctional combined sensor | |
| CN204556077U (en) | A kind of low-power consumption body weigher based on radio communication | |
| CN203053475U (en) | Multifunctional tester | |
| CN203785751U (en) | Weighing circuit and electronic scale possessing same | |
| CN205748733U (en) | A kind of three-wire system pressure transmitter | |
| CN101626241B (en) | Multi-channel input analog-to-digital converter | |
| CN204290943U (en) | The analog to digital conversion circuit of high dynamic range | |
| CN103852105A (en) | Multi-functional tester | |
| CN203732198U (en) | Pressure transmitter | |
| CN204902997U (en) | Vibration wire formula frequency reading appearance | |
| CN204214462U (en) | A kind of universal sensor signal processing system | |
| CN203191103U (en) | Environment analog quantity acquisition module | |
| CN203134209U (en) | Electronic nail bed display apparatus | |
| CN104713579A (en) | Universal type sensor signal processing system | |
| CN202583115U (en) | Circuit detection module for glucose meter | |
| CN201935768U (en) | Stretching tension test circuit for steel wire rope | |
| CN102095756B (en) | Humidity sensing circuit with temperature compensation function | |
| CN206353049U (en) | A kind of intelligent electronic-scale system | |
| CN204336889U (en) | Portable body balance detection instrument | |
| CN205193151U (en) | Intelligence digit exchanges millivoltmeter | |
| CN203293498U (en) | Injection molding machine and multisection temperature signal measuring circuit thereof | |
| CN204115901U (en) | Electric thermo-couple temperature collection system | |
| CN107769786A (en) | A kind of miniature weighing and force-measuring transducer signal conditioning circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20141204 |
|
| EXPY | Termination of patent right or utility model |