# DD Scientific

전기 화학식 센서 배경 지식

{% content-ref url="dd-scientific/undefined" %}
[undefined](https://docs.allsensing.co.kr/main/product-document/dd-scientific/undefined)
{% endcontent-ref %}

## **측정 가스 종류**

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-e197d422003d143424c3c3dbf2bb61030132245a%2Fimage.png?alt=media" alt=""><figcaption></figcaption></figure>

## 특징

* 다양한 가스를 높은 선택도로 감지
* 빠른 응답 시간과 안정적인 제로 리턴 시간
* 선형 출력
* 작음 소음
* 작은 전력 소비
* 작은 크기

## 제품 크기 및 핀 특성

※ 각각 모양, 크기, 핀 특성이 다르며 일반적으로 GS +4, GS+7 Series 모델이 많이 사용됨

{% tabs %}
{% tab title="DCEL" %}

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-ba50ced99da60ef0413d3de3ba63ef54dff874c8%2Fimage.png?alt=media" alt="" width="563"><figcaption></figcaption></figure>
{% endtab %}

{% tab title="GS+3" %}

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-ef0d828cc9dc42de16e8ab0920f31265c1497297%2Fimage.png?alt=media" alt="" width="563"><figcaption></figcaption></figure>
{% endtab %}

{% tab title="GS+4" %}

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-a37d4357814c11e2370a8db55b92ba560dffeac3%2FDDS%20GS%2B4.png?alt=media" alt="" width="563"><figcaption></figcaption></figure>
{% endtab %}

{% tab title="GS+5" %}

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-9151163e21a4643f1e9f19ca8bddc3e05b98988b%2FDDS%20GS%2B5.png?alt=media" alt="" width="563"><figcaption></figcaption></figure>
{% endtab %}
{% endtabs %}

{% tabs %}
{% tab title="GS+7" %}

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-014ced9bfa725414c8bff27e452b69bdfe01bb3c%2FDDS%20GS%2B7.png?alt=media" alt="" width="563"><figcaption></figcaption></figure>
{% endtab %}

{% tab title="SE" %}

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-6114a9f226f0648125a931744124398c0a27e726%2FDDS%20SE.png?alt=media" alt="" width="563"><figcaption></figcaption></figure>
{% endtab %}

{% tab title="A Series" %}

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-330f1fd4457c3533b24789c89935f2741a806ba2%2FDDS%20A.png?alt=media" alt="" width="563"><figcaption></figcaption></figure>
{% endtab %}
{% endtabs %}

## Sensor

### CO

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-1ecd59bdb5960d78a4bfd68adaeb9e66ef8f2254%2FDDS%20CO.png?alt=media" alt=""><figcaption></figcaption></figure>

* 전극 단자 수 2 : Working(= sensing), Counter

  전극 단자 수 3 : Working(= sensing), Counter, Reference

  전극 단자 수 4 : Working(= sensing), Counter, Reference, Auxiliary
* S+4 2ECO, S+4 2ECOLH 차이점: S+4 2ECOLH는 수소 교차 간섭(감도)을 줄였음 즉 수소의 영향을 적게 받음

### O2

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-342f20748369abd799ccea2b5034dc65ed904671%2FDDS%20O2.png?alt=media" alt=""><figcaption></figcaption></figure>

* S+4OXLF, S+4OXLFP의 차이점: S+4OXLF은 안전 응용 분야에 맞게 설계, S+4OXLFP은 펌프 응용 분야에 맞게 설계

### H2S

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-9782b121cdbf5f3b679b207f94288fb699aa743c%2FDDS%20H2S.png?alt=media" alt=""><figcaption></figcaption></figure>

### NO

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-0f8022ddf711036f00ccadb27ac08e3cc825c172%2FDDS%20NO.png?alt=media" alt=""><figcaption></figcaption></figure>

### ETO

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-87a6912ca654175ed0dc3c4149f7ed74b3b2f811%2FDDS%20ETO.png?alt=media" alt=""><figcaption></figcaption></figure>

### NO2

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-ae401dfb98cbd9986c1a751f3037a96433d824ec%2FDDS%20NO2.png?alt=media" alt=""><figcaption></figcaption></figure>

### SO2

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-548a282c7a97020205ea4403e50e5739855c81b6%2FDDS%20SO2.png?alt=media" alt=""><figcaption></figcaption></figure>

### CL2

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-a2d0438fd6d33c04f85923339b00f01b6e5ffd8a%2FDDS%20CL2.png?alt=media" alt=""><figcaption></figcaption></figure>

### NH3

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-b09c173936ff62b125f4adc6ac5e938e1ba9972f%2FDDS%20NH3.png?alt=media" alt=""><figcaption></figcaption></figure>

### H2

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-5dfb2c07fa78b936216ee45a25f4ed9e26bb9da1%2FDDS%20H2.png?alt=media" alt=""><figcaption></figcaption></figure>

### O3

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-1e98d2f0ea534a1a501c87969a7e34a7a837c2cc%2FDDS%20O3.png?alt=media" alt=""><figcaption></figcaption></figure>

### DUAL Toxic

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-79a6f3609a4dbc9489c4e4c0bf847eabc6ecc72e%2FDDS%20DUAL.png?alt=media" alt=""><figcaption></figcaption></figure>

### COMBUSTIBLE(가연성)

<figure><img src="https://1534755138-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F8USAZVpjShlBinaURjim%2Fuploads%2Fgit-blob-5f199f21dcba35e5a3db9ce5f8f959a43de9a741%2FDDS%20LEL.png?alt=media" alt=""><figcaption></figcaption></figure>