水中対応、頑丈、メンテナンスの手間がかからないDOセンサ
概要
Sensorex 社製の CS511 は、水中で使用できる、耐久性に優れたメンテナンスの少ないセンサで、媒体 (通常は水) 内の溶存酸素を感知します。このセンサは、測定媒体 (通常は水) 内の酸素量に比例したミリボルト信号を生成する自己分極ガルバニ電池で構成されています。
続きを読む利点と特徴
- インラインサーミスタにより自動温度補正が可能
- ほとんどのCampbell Scientificデータロガーと互換性あり
イメージ
詳細
仕様
| 動作温度範囲 | 0° ~ 50°C |
| 計測範囲 | 0.5 ~ 50 ppm ( O2) |
| 正確度 | ±2% |
| 出力 | 33 mV ± 9 mV (100% 飽和); < 2 mV (0%) |
| 応答時間 | 酸素濃度100%から0%まで5分 |
| 最小水流速 | 5 cm s-1 (2 in. s-1) 膜を越えて |
| 最小浸水深 | 6.35 cm (2.5 in.) |
| 圧力 | 0 ~ 100 psig |
| 温度補正 | 自動 4° ~ 40°C |
| プローブ電解質 | NaCl + グリセロール （凍結防止） |
| 直径 | 5.72 cm (2.25 in.) |
| 高さ | 17.78 cm (7インチ) センサの底からケーブル張力緩和装置の端まで |
| 発送重量 | 0.8 kg (1.75 lb) センサと配送キットを含む |
ドキュメント
よくある質問
CS511-Lに関するよくある質問の数： 9
すべて展開すべて折りたたむ
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A standard reference table for dissolved oxygen in water/temperature/elevation is included.
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No. The cable is attached to the internal electronics. Removing them would be a violation of the warranty.
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Yes. This probe is completely submersible.
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If the probe will be shelved for a month or more, the electrode should be removed. When the sensor will be used again, use fresh electrolyte and a new membrane. Following these guidelines will enable the probe to be stored indefinitely.
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The CS511-L is a galvanic dissolved-oxygen probe that is designed to work in water. As O2 passes through the semipermeable membrane, the oxygen reacts with the electrolyte solution in the probe. As more oxygen becomes available, an electro-chemical process occurs, so that an increase in the mV output is recorded. The source of the oxygen can be through the air, water, or a liquid slurry. Soil is not very homogeneous, so the dissolved oxygen is not able to move freely.
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すべてのセンサに異なるケーブル終端オプションがあるわけではありません。特定のセンサで利用可能なオプションは、センサ製品ページの注文情報エリアの 2 つの場所で確認できます。
モデル番号
ケーブル終端オプション リスト
センサが –ET、–ETM、–LC、–LQ、または –QD バージョンで提供されている場合、そのオプションが利用可能かどうかはセンサモデル番号に反映されます。たとえば、034B は 034B-ET、034B-ETM、034B-LC、034B-LQ、および 034B-QD として提供されています。その他のすべてのケーブル終端オプション (利用可能な場合) は、センサ製品ページの注文情報エリアの「ケーブル終端オプション」の下にリストされています。たとえば、034B-L 風力発電セットは、034B-L 製品ページの注文情報エリアに示されているように、–CWS、–PT、および –PW オプションで提供されています。
注意: 新しい製品が在庫に追加されると、通常は複数のモデル番号を作成するのではなく、1 つのセンサモデルの下に複数のケーブル終端オプションをリストします。たとえば、HC2S3-L には、HC2S3-LC モデルではなく、CS110 に接続するための –C ケーブル終端オプションがあります。
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Most Campbell Scientific sensors are available as an –L, which indicates a user-specified cable length. If a sensor is listed as an –LX model (where “X” is some other character), that sensor’s cable has a user-specified length, but it terminates with a specific connector for a unique system:
- An –LC model has a user-specified cable length for connection to an ET107, CS110, or retired Metdata1.
- An –LQ model has a user-specified cable length for connection to a RAWS-P weather station.
If a sensor does not have an –L or other –LX designation after the main model number, the sensor has a set cable length. The cable length is listed at the end of the Description field in the product’s Ordering information. For example, the 034B-ET model has a description of “Met One Wind Set for ET Station, 67 inch Cable.” Products with a set cable length terminate, as a default, with pigtails.
If a cable terminates with a special connector for a unique system, the end of the model number designates which system. For example, the 034B-ET model designates the sensor as a 034B for an ET107 system.
- –ET models terminate with the connector for an ET107 weather station.
- –ETM models terminate with the connector for an ET107 weather station, but they also include a special system mounting, which is often convenient when purchasing a replacement part.
- –QD models terminate with the connector for a RAWS-F Quick Deployment Station.
- –PW models terminate with the connector for a PWENC or pre-wired system.
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Many Campbell Scientific sensors are available with different cable termination options. These options include the following:
- The –PT (–PT w/Tinned Wires) option is the default option and does not display on the product line as the other options do. The cable terminates in pigtails that connect directly to a data logger.
- In the –C (–C w/ET/CS110 Connector) option, the cable terminates in a connector that attaches to a CS110 Electric Field Meter or an ET-series weather station.
- In the –CWS (–CWS w/CWS900 Connector) option, the cable terminates in a connector that attaches to a CWS900-series interface. Connection to a CWS900-series interface allows the sensor to be used in a wireless sensor network.
- In the –PW (–PW w/Pre-Wire Connector) option, the cable terminates in a connector that attaches to a prewired enclosure.
- In the –RQ (–RQ w/RAWS Connector) option, the cable terminates in a connector that attaches to a RAWS-P Permanent Remote Automated Weather Station.
Note: The availability of cable termination options varies by sensor. For example, sensors may have none, two, or several options to choose from. If a desired option is not listed for a specific sensor, contact Campbell Scientific for assistance.
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To incorporate a sensor that is compatible with wireless sensor interfaces into a wireless network, a CWS900-series wireless sensor interface is needed, as well as an A205 CWS-to-PC interface to configure it.
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