This product is no longer available and has been replaced by: CS451. Some accessories, replacement parts, or services may still be available.
| Services Available |
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Überblick
Der CS451 ist eine Drucksonde für Wasserpegelmessungen in Kanälen, Brunnen, Häfen, Seen, strömen und Tanks. Durch die Hülle aus rostfreiem Stahl kann er in fast allen Gewässern eingesetzt werden. Der CS451 gibt Wasserstand und Temperatur entweder als SDI-12 oder als RS232-Signal aus und kann mit fast allen Campbell-Logger abgefragt werden.
Der CS451 ist der nachfolger des CS450. Er hat eine kleiner Lücke zwischen den Wassereinlässen und der Membran so dass weniger Luft sich dort anlagern kann, die dann vom Benutzer entfernt erden muss. Luftblasen führen zu langsamen Änderungen der messwerte während sich die Luft im Wasser löst.
Lesen Sie mehrFunktionen und Vorteile
- Quality construction ensures product reliability
- Rugged stainless-steel case protects piezoresistive sensor
- Compatible with most Campbell Scientific data loggers
- Fully temperature-compensated
- Low-power sleep state between measurements reduces power consumption
- Optional weighted nose cone facilitates submersion
- NPT fitting allows it to be used in closed-pipe applications
- Quick shipment after receipt of order (ARO)
- Compatible with the A150 Desiccated Case, which allows it to be connected to the CWS900 and used in a wireless sensor network
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Technische Beschreibung
The CS450 consists of a piezoresistive sensor and a temperature sensor housed in a 316L stainless-steel case. It has a rugged Hytrel cable that remains flexible, even under harsh environmental conditions. The cable incorporates a vent tube to compensate for atmospheric pressure fluctuations. The vent tube terminates inside a desiccant tube, which prevents water vapor from entering the inner cavity of the transducer.
The CS450 has several pressure range options and two accuracy options (see Ordering Info). The standard accuracy option provides ±0.1% FS TEB over the 0° to 60°C temperature range. The high accuracy option provides ±0.05% FS TEB over the 0° to 60°C temperature range and includes a calibration certificate. TEB is the combined errors due to nonlinearity, hysteresis, non-repeatability, and thermal effects over the compensated temperature range, per ISA S51.1. Please note that the high accuracy option is not available for the 0 to 2.9 psig range option.
Campbell Scientific offers the A150 Desiccated Case that allows the CS450 to be connected to a CWS900 Wireless Sensor Interface (for use in a wireless sensor network) or to be connected to a prewired enclosure (see Ordering Information).
Spezifikationen
| Measurement Time | < 1.5 s |
| Outputs | SDI-12 (version 1.3) 1200 bps; RS-232 9600 bps |
| Resolution | 0.0035% FS |
| Operating Temperature | -10° to +80°C |
| Compensated Temperature | 0° to 60°C |
| Temperature Accuracy | ±0.2°C |
| Overpressure | 2 x pressure range |
| Power Requirements | 6 to 18 Vdc |
| Accuracy with Standard Accuracy Option | ±0.1% FS TEB (Includes the combined errors due to nonlinearity, hysteresis, nonrepeatability, and thermal effects over the compensated temperature range, per ISA S51.1.) |
| Accuracy with High Accuracy Option | ±0.05% FS TEB (The high accuracy [±0.05% FS] option is not available for the 0 to 2.9 psig range option.) |
| Cable Type | Hytrel Jacket, five conductor, 26 AWG |
| NPT Fitting | 1/4-in. NPS |
| Top Cone Material | Delrin |
| Body Material | 316L stainless steel |
| Element Material | 316L stainless steel |
| Diameter | 2.13 cm (0.84 in.) |
| Length | 21.34 cm (8.4 in.) |
| Distance |
|
| Weight without Cable | 0.18 kg (0.40 lb) |
| Cable Weight | 0.421 kg/m (0.283 lb/ft) |
| Weight | 0.211 kg (0.465 lb) for 25414 Weighted Nose Cone |
Power Consumption |
|
| Quiescent | < 80 µA |
| Measurement/Communication | 8 mA (1-s measurement) |
| Maximum | 40 mA |
Pressure Measurement Range |
|
| Option -2 | ≤ 2.9 psig (20 kPa) |
| Option -7 | ≤ 7.25 psig (50 kPa) |
| Option -14 | ≤ 14.5 psig (100 kPa) |
| Option -29 | ≤ 29 psig (200 kPa) |
| Option -72 | ≤ 72.5 psig (500 kPa) |
| Option -145 | ≤ 145 psig (1000 kPa) |
Depth of Fresh Water Measurement Range |
|
| Option -2 | ≤ 2.0 m (6.7 ft) |
| Option -7 | ≤ 5.1 m (16.7 ft) |
| Option -14 | ≤ 10.2 m (33.4 ft) |
| Option -29 | ≤ 20.4 m (67 ft) |
| Option -72 | ≤ 50.9 m (167 ft) |
| Option -145 | ≤ 102 m (334.5 ft) |
Maximum Cable Length |
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| SDI-12 (1 sensor connected to a single port) | ~457 m (1500 ft) |
| SDI-12 (10 sensors connected to a single port) | 60 m (200 ft) |
| RS-232 | 60 m (200 ft) |
Kompatibel mit
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Datenlogger
| Product | Compatible | Note |
|---|---|---|
| CR1000 (retired) | ||
| CR200X (retired) | ||
| CR216X (retired) | ||
| CR3000 | ||
| CR5000 (retired) | ||
| CR800 (retired) | ||
| CR850 (retired) | ||
| CR9000X (retired) |
Additional Compatibility Information
Desiccated Case
The CS450 can be used with the A150. The A150 is a small, self-contained junction box that allows the CS450 to be connected to a continuation cable, a prewired-enclosure connector, or a CWS900-series wireless-sensor connector. Connection to a CWS900-series interface allows the CS450 to be part of a wireless sensor network.