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.
The "-L" on a product model indicates that the cable length is specified at the time of order.
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).
|Measurement Time||< 1.5 s|
|Outputs||SDI-12 (version 1.3) 1200 bps; RS-232 9600 bps|
|Operating Temperature||-10° to +80°C|
|Compensated Temperature||0° to 60°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.)|
|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|
|Quiescent||< 80 µA|
|Measurement/Communication||8 mA (1-s measurement)|
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)|
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
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.