視程計 / CS120
RETIRED ›
This product is no longer available and has been replaced by: CS120A.
CS120 Atmospheric Visibility Sensor
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概要

The CS120 uses tried-and-tested, infrared forward-scatter technology, and uses the proven 42° scatter angle to report meteorological observable range (MOR) for fog and snow in the range 10 to 30,000 m. It combines a high specification with a very competitive price. The CS120 is ideal for stand-alone applications or in combination with automatic weather stations in road, aviation, solar-energy, and wind-energy environments.

Note: Campbell Scientific does not recommend using the CS120 for marine applications.

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利点と特徴

  • High-performance sensor at a competitive price
  • Incorporates automatic dew and hood heaters for all-weather operation
  • Simple field calibration using optional calibration kit
  • Low power - suitable for remote applications
  • Automatic status check for faults or window contamination
  • Sensor design minimizes airflow disruption at measurement volume

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詳細

Compared to many such sensors the CS120 design means that visibility is being measured in a relatively clean space because the position of the heads and body minimize disturbance of the airflow at the measurement volume.

The CS120 uses continuous high-speed sampling, which improves the accuracy of the measurements taken during mixed weather such as rain and hail, while providing reliable readings during more stable events such as fog and mist. High speed sampling also allows the sensor to better respond to suddenly changing conditions.

The CS120 has several design features that keep its optics clean. Downward facing optics minimizes dirt and snow build up. Low powered heaters prevent the formation of dew, and a higher-powered heater prevents the formation of ice.

The sensor is very power efficient, drawing just 3 W during normal operation including the dew heaters; power can be reduced further by reducing the sample rate and manual control of the heaters.

仕様

Measurement Description Meteorological Observable Range (MOR)
Signal Type/Output RS-232, RS-485
Maximum Reported Visibility 32 km (~20 mi)
Minimum Reported Visibility 12 m (~39 ft)
Accuracy (0 to 10,000 m) ±10%
Accuracy (10,000 to 20,000 m) ±20%
Operating Temperature -25° to +60°C
Operating Humidity 0 to 100%
Wind Speed Up to 60 m/s
Sensor Sealing Rated to IP66
Mounting Stainless-steel V-bolt mounting to pole with OD of 32 to 52.5 mm (1.25 to 2 in.)
Dimensions 447 x 640 x 246 mm (17.6 x 25.2 x 9.7 in.)
Weight ~3 kg (6.6 lb) depending upon mounting system used

Electrical

-NOTE-
  • A low-voltage shutdown level can be set to prevent back-up batteries being damaged.
  • Lower power states can be achieved by less frequent sampling and remote control of heaters.
Electronic Supply Voltage 8 to 30 Vdc
Hood Heater Supply Voltage 24 Vdc or Vac
Hood Heater Power 2 x 30 W (total of 60 W)
Total Unit Power < 3 W while sampling continuously (including dew heaters)

Interface

Serial Interface RS-232 or RS-485
Serial Data Rates 1200 to 115,200 bps (38,400 bps default rate)
Alarm Outputs 2 x 0 to 5 V outputs, 32 mA (max)

Optical

Emitter Light Frequency 850 nm
Lens Contamination Circuitry Monitors both the source and detector lenses for contamination/blockage at 1 s intervals. Sensor adjusts its calibration for low to moderate window contamination.
Light Source Stability Control Ensures stable operation through variations in temperature and with sensor aging. Corrected at 1 s intervals.

互換性

注意: 以下は代表的な互換性情報を示しています。互換性のある製品や互換性のない製品をすべて網羅したリストではありません。

Data Loggers

製品 互換性 注意
21X (リタイア)
CR10 (リタイア)
CR1000 (リタイア)
CR10X (リタイア)
CR200X (リタイア)
CR206X (リタイア)
CR211X (リタイア)
CR216X (リタイア)
CR23X (リタイア)
CR295X (リタイア)
CR3000 (リタイア)
CR500 (リタイア)
CR5000 (リタイア)
CR510 (リタイア)
CR800 (リタイア)
CR850 (リタイア)
CR9000 (リタイア)
CR9000X (リタイア)

ダウンロード

CS120 Firmware v.6 (1.51 MB) 10-08-2012

Includes the current CS120 firmware and the CS120 support files for the Device Configuration Utility.

更新履歴をみる

よくある質問

CS120に関するよくある質問の数: 3

すべて展開すべて折りたたむ

  1. 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。

  2. 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.
  3. 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.

ケーススタディ

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