JPH0393766U - - Google Patents
Info
- Publication number
- JPH0393766U JPH0393766U JP195590U JP195590U JPH0393766U JP H0393766 U JPH0393766 U JP H0393766U JP 195590 U JP195590 U JP 195590U JP 195590 U JP195590 U JP 195590U JP H0393766 U JPH0393766 U JP H0393766U
- Authority
- JP
- Japan
- Prior art keywords
- moisture meter
- section
- meter according
- light source
- sample
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 claims 2
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図はフイルタホイールの具体例を示す構成図、第
３図は第１図の測定特性図、第４図は氷及び水の
近赤外線吸収スペクトルの温度依存性の測定例図
、第５図は氷及び水の近赤外線吸収スペクトルの
成分帯への分割例図である。
１０……光源部、１１……光源、１２……レン
ズ、１３……フイルタホイール、１４……透孔、
１５……モータ、１６……フオトインタラプタ、
２０……検出部、２１……光検出器（ＰｂＳ光導
電セル）、３０……試料、４０……変換増幅部。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a configuration diagram showing a specific example of a filter wheel, Figure 3 is a measurement characteristic diagram of Figure 1, Figure 4 is a measurement example of the temperature dependence of near-infrared absorption spectra of ice and water, and Figure 5 is an illustration of the measurement characteristics of ice and water. and FIG. 4 is an example diagram of the division of the near-infrared absorption spectrum of water into component bands. 10...Light source section, 11...Light source, 12...Lens, 13...Filter wheel, 14...Through hole,
15...Motor, 16...Photo interrupter,
20...detection unit, 21...photodetector (PbS photoconductive cell), 30...sample, 40...conversion amplification unit.
Claims (1)
、 試料に波長範囲の広い光を照射するように構成
されたことを特徴とする水分計。 (2) 光源部が、出力光の所定の波長範囲を等間
隔の波長に分割するように構成されたフイルタホ
イールを介して順次選択的に前記試料に照射され
るように構成されたことを特徴とする請求項１の
水分計。 (3) 検出部の前面に、検出部の検出感度の波長
依存性を補正する吸収部材が配置されたことを特
徴とする請求項１の水分計。 (4) 検出部としてＦＴ−ＩＲ（フーリエ変換赤
外分光計）を用いることを特徴とする請求項１の
水分計。[Scope of Claim for Utility Model Registration] (1) A moisture meter comprising a light source section and a detection section, characterized in that the moisture meter is configured to irradiate a sample with light having a wide wavelength range. (2) The light source section is configured to sequentially and selectively irradiate the sample through a filter wheel configured to divide a predetermined wavelength range of output light into equally spaced wavelengths. The moisture meter according to claim 1. (3) The moisture meter according to claim 1, further comprising an absorbing member disposed in front of the detecting section to correct wavelength dependence of detection sensitivity of the detecting section. (4) The moisture meter according to claim 1, characterized in that an FT-IR (Fourier transform infrared spectrometer) is used as the detection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP195590U JPH0393766U (en) | 1990-01-12 | 1990-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP195590U JPH0393766U (en) | 1990-01-12 | 1990-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0393766U true JPH0393766U (en) | 1991-09-25 |
Family
ID=31505841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP195590U Pending JPH0393766U (en) | 1990-01-12 | 1990-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0393766U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5210186A (en) * | 1975-07-09 | 1977-01-26 | Bayer Ag | Single beam photometer |
| JPS5761922A (en) * | 1980-10-01 | 1982-04-14 | Toshiba Corp | Spectrophotometer |
| JPS6182123A (en) * | 1984-09-28 | 1986-04-25 | Yamatake Honeywell Co Ltd | color detection device |
-
1990
- 1990-01-12 JP JP195590U patent/JPH0393766U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5210186A (en) * | 1975-07-09 | 1977-01-26 | Bayer Ag | Single beam photometer |
| JPS5761922A (en) * | 1980-10-01 | 1982-04-14 | Toshiba Corp | Spectrophotometer |
| JPS6182123A (en) * | 1984-09-28 | 1986-04-25 | Yamatake Honeywell Co Ltd | color detection device |
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