TE KPSI 351 Submersible Hydrostatic Level Transducer is specifically designed for small bore applications and to meet the rigorous environments encountered in groundwater level measurements. Designed and tuned to meet stringent USGS OSW specifications of ±0.01 Ft. H2O often required by governmental regulatory agencies and research institutions.
The KPSI 351 incorporates a highly stable media-isolated sensor and features an SDI-12 serial-digital interface. SDI-12 is a standard for interfacing data recorders with microprocessor-based sensors, especially in the environmental monitoring field. The KPSI 351 is an excellent solution for applications that require a minimal current drain. It will accommodate cable lengths between sensors and recorder up to 1000 feet. The removable cable option allows easy substitution of transducers and cables.
TE KPSI 351 Submersible Hydrostatic Level Transducer Features
- Removable cable option
- Custom Polyurethane or ETFE Cable Lengths
- Optional PVC jacketed steel armored cable
- Welded 316SS or Titanium
- Custom Level Ranges up to 50 ft. (15m) H2O
- Multiple Nose Cap Options
- Shipped with Long-Life Vent Filter
Applications
- Groundwater Monitoring
- Down Hole
- Surface Water Monitoring
- Tailrace and Forebay Monitoring
- Oceanographic Research
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TE KPSI 351 Submersible Hydrostatic Level Transducer Specification
| Parameter | Comment | |
| Level Ranges | ||
| Full-scale level ranges (Intermediate level ranges are available) | 10 thru 50 ft. (3 thru 15 m) H20 | Vented gage reference |
| Proof pressure | 1.5 x FS | |
| Burst pressure | 2.0 x FS | |
| Static Performance | ||
| Level | ±0.01 ft. H20 ±0.10% reading | BFSL method |
| Temperature | ±0.5ºC | |
| Excitation | ±0.5 VDC | 8 to 28 volts |
| Resolution | ±0.0001% FS | |
| Measurement Resolution | ||
| Level | ±0.0001%FS | |
| Temperature | ±0.001ºC | |
| Excitation | ±0.1 VDC | |
| Electrical | ||
| Excitation | 6-28V – VDC output | |
| Input current | 8 mA max 1.0 mA | Average current during data acquisition Quiescent |
| Interface | SDI-12, version 1.3 RS-485 | SDI-12 protocol |
| Physical | ||
| Approximate weight | 0.75 lbs. (340 g) transducer 0.05 lbs./ft. (79 g/m) cable | |
| Cable jacket material | Polyurethane ETFE Armored polyurethane (optional 859 accessory) | PVC jacketed steel armored polyurethane |
| Cable pull strength | 200 lbs. (90 kg) | Polyurethane |
| Cable number of conductors | 4 | |
| Cable conductor size | 22 AWG | |
| Cable seal | Molded polyurethane FKM Gland | For polyurethane cable For ETFE cable |
Removable Cable and Nose Cap Options
Download Datasheet: TE Connectivity KPSI 351 Submersible Level Transducer
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