RETIRED ›
This product is no longer available and has been replaced by: CS456.
CS455-L Pressure Transducer
Services Available
Repair No
Calibration Yes
Free Support No

Overview

The CS455 is a pressure transducer for for water level measurements in canals, wells, ponds, harbors, lakes, streams and tanks. It has a rugged titanium case that allows it to be used in saltwater and other harsh environments. The CS455 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 data loggers.

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Benefits and Features

  • Rugged titanium case protects piezoresistive sensor allowing it to be used in saltwater and other harsh environments
  • Quality construction ensures product reliability
  • Low-power sleep state between measurements reduces power consumption
  • Fully temperature-compensated
  • Optional weighted nose cone facilitates submersion
  • Compatible with most Campbell Scientific data loggers
  • 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

The "-L" on a product model indicates that the cable length is specified at the time of order.

Images

Detailed Description

The CS455 consists of a piezoresistive sensor and a temperature sensor housed in a titanium 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 CS455 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 CS455 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 Titanium
Element Material Hastelloy
Diameter 2.13 cm (0.84 in.)
Length 21.34 cm (8.4 in.)
Distance
  • 2.86 cm (1.13 in.) from black line etched on housing to end of NPT fitting
  • 4 cm (1.58 in.) from black line etched on housing to end of standard nose cone
  • 11.59 cm (4.56 in.) from black line etched on housing to end of weighted nose cone
Weight without Cable 0.11 kg (0.25 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 Up to 2.9 psig (20 kPa)
Option -7 Up to 7.25 psig (50 kPa)
Option -14 Up to 14.5 psig (100 kPa)
Option -29 Up to 29 psig (200 kPa)
Option -72 Up to 72.5 psig (500 kPa)
Option -145 Up to 145 psig (1000 kPa)

Depth of Fresh Water Measurement Range
Option -2 Up to 2.0 m (6.7 ft)
Option -7 Up to 5.1 m (16.7 ft)
Option -14 Up to 10.2 m (33.4 ft)
Option -29 Up to 20.4 m (67 ft)
Option -72 Up to 50.9 m (167 ft)
Option -145 Up to 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

Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Data Loggers

Product Compatible Note
21X (retired)
CR10 (retired)
CR1000 (retired)
CR10X (retired)
CR200X (retired)
CR206X (retired)
CR211X (retired)
CR216X (retired)
CR23X (retired)
CR295X (retired)
CR3000 (retired)
CR500 (retired)
CR5000 (retired)
CR510 (retired)
CR800 (retired)
CR850 (retired)
CR9000 (retired)
CR9000X (retired)

Additional Compatibility Information

Desiccated Case

The CS455 can be used with the A150. The A150 is a small, self-contained junction box that allows the CS455 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 CS455 to be part of a wireless sensor network.

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