Benefits and Features
- Quality construction ensures product reliability
- Rugged stainless-steel case protects piezoresistive sensor
- Compatible with most Campbell Scientific dataloggers
- 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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Detailed Description
29326年由一个πezoresistive 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 29326 has several pressure range options and two accuracy options (see Ordering). 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 CS451 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 WARNING: Sensor could be damaged if encased in frozen ice. |
| 温度补偿 | 0° to 60°C WARNING: Sensor could be damaged if encased in frozen ice. |
| Temperature Accuracy | ±0.2°C |
| Overpressure | 2 x pressure range |
| Power Requirements | 6 to 18 Vdc |
| Cable Type | Hytrel Jacket, five conductor, 26 AWG |
| NPT Fitting | 1/4-in. NPS |
| Top Cone Material | Delrin |
| Body Material | 316L stainless steel |
| 元素的材料 | 316L stainless steel |
| Distance |
|
| Diameter | 21.34 mm (0.84 in.) |
| Length | 213.36 mm (6.875 in.) |
| 电缆的重量t | 0.0421 kg/m (0.0283 lb/ft) |
| Weight | 0.17 kg (0.37 lb) without cable |
Power Consumption |
|
| Quiescent | < 50 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) |
Accuracy |
|
| Standard Accuracy Option | ±0.1% full-scale-range TEB Total Error Band (TEB) includes the combined errors due to nonlinearity, hysteresis, nonrepeatability, and thermal effects over the compensated temperature range, per ISA S51.1. |
| High Accuracy Option | ±0.05% full-scale-range TEB The high accuracy (±0.05% full-scale range) option is not available for the 0 to 2.9 psig range option. Total Error Band (TEB) includes the combined errors due to nonlinearity, hysteresis, nonrepeatability, and thermal effects over the compensated temperature range, per ISA S51.1. |
Maximum Cable Length |
|
| SDI-12 |
|
| RS-232 | 60 m (200 ft) |
Air Gap |
|
| Standard & Weighted Nose Cone | 0.653 cm (0.257 in.) |
| NPT Fitting | 2.72 cm (1.07 in.) |
Compatibility
Note:The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.
Data Loggers
| 产品 | 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 | ||
| CR850 | ||
| CR9000(retired) | ||
| CR9000X(retired) |
Additional Compatibility Information
Desiccated Case
The CS451 can be used with the A150. The A150 is a small, self-contained junction box that allows the CS451 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 CS451 to be part of a wireless sensor network.
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