The KPSI 710 is a submersible hydrostatic level transducer specifically designed to meet the rigorous environments encountered in liquid level measurement and control. It can be configured to perform to specifications under most adverse, reactive conditions. Every KPSI Transducer utilizes a highly accurate pressure sensor assembly specifically designed for hostile fluids and gases.
The assembly is integrated with supporting electronics in a durable waterproof housing constructed of 316 stainless steel or titanium. The attached electrical cable is custom manufactured and includes para-aramid synthetic fiber members to prevent errors due to cable elongation, and a unique water block feature that self-seals in the event of accidental cuts to the cable. Each vented reference transducer is shipped with a SuperDry Vent Filter that prevents moisture from entering the vent tube for at least one year without maintenance, even in the most humid environments.
Features
- Custom polyurethane or ETFE cable lengths
- Welded 316SS or titanium body
- Custom level ranges up to 700 ft. (210 m) H2O
- Multiple analog outputs
- Multiple nose piece styles
- Optional lifetime lightning protection
- Long life vent filter or aneroid bellows
- Available molded cable seal
Applications
- Lift stations
- Pump control
- Level contro
- Surface water monitoring
- Landfill leachate
- Well monitoring
- Groundwater monitoring
Specification
| Parameter | Comment | |
| Level Ranges | ||
| Full-scale level ranges (Intermediate level ranges are available) | 2.3 thru 700 ft. H2O (0.70 thru 210 m H2O) 10 thru 700 ft. H2O (3 thru 210 m H2O) 35 thru 700 ft. H2O (10 thru 210 m H2O) | Vented Gage Reference Sealed Gage Reference Absolute Gage Reference |
| Proof pressure | 1.5 x FS | |
| Burst pressure | 2.0 x FS | |
| Static Performance | ||
| Static Accuracy (combined effects of non-linearity, hysteresis and repeatability, best fit straight-line method) | ±0.50% FSO | BFSL method |
| Resolution | ±0.0001% FS | |
| Electrical | ||
| Excitation | 9-28V – VDC output 9-28V – mA outpu 15-28V – VDC output 10-28V – VDC output | 0-5V, 0-2.5V, 0-4V 4-20 0-10V 1.5-7.5V |
| Input current | 20 mA max 3.5 mA max | For mA output For VDC output |
| Output | 4-20mA, 0-5 VDC, 0-2.5VDC, 0-4VDC, 0-10VDC, 1.5-7.5VDC | For ranges < 5 ft. (1.5 m) H2O, only 4-20 mA output is available |
| Zero Offset | ±0.25 mA for mA output < 0.25 VDC for VDC output | |
| Output Impedance | See loop diagram for mA output 20 ohm for VDC output | |
| Insulation Resistance | 100 mega-ohm at 50 VDC | |
| Circuit Protection | Polarity, surge/shorted output | |
| Physical | ||
| Approximate Weight | 0.44 lbs. (198 g) transducer 0.05 lbs./ft. (79 g/m) cable | |
| Cable jacket material | Polyurethane (Standard) ETFE (Optional) | |
| 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 |
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