This product is no longer available and has been replaced by: CS451-L. Some accessories, replacement parts, or services may still be available.
| Services Available | |
|---|---|
| Repair | No |
| Calibration | Yes |
| Free Support | No |
Overview
The CS450 is a pressure transducer for water level measurements in canals, wells, ponds, harbors, lakes, streams and tanks. It has a stainless-steel case that can be submerged in most canals, wells, ponds, lakes, and streams. The CS450 outputs either a digital SDI-12 or RS-232 signal to indicate observed pressure and temperature. This output can be read by many of our dataloggers.
Read MoreBenefits and Features
- 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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Technical Description
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 . 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).
Specifications
| 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 |
|
| 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) |
Compatibility
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
Dataloggers
| Product | Compatible | Note |
|---|---|---|
| 21X (retired) | ||
| CR10 (retired) | ||
| CR1000 (retired) | ||
| CR10X (retired) | ||
| CR200X (retired) | ||
| CR211X (retired) | ||
| CR216X (retired) | ||
| CR23X (retired) | ||
| CR3000 (retired) | ||
| CR500 (retired) | ||
| CR5000 (retired) | ||
| CR510 (retired) | ||
| CR800 (retired) | ||
| CR800 (retired) | ||
| CR800 (retired) | ||
| CR800 (retired) | ||
| CR850 (retired) | ||
| CR850 (retired) | ||
| CR850 (retired) | ||
| CR850 (retired) | ||
| CR9000 (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.
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