Description
Honeywell STR82D is a rugged submersible hydrostatic level transmitter engineered for water, wastewater, borewells, reservoirs, and industrial tanks. With a high-stability piezoresistive sensor, SS316/SS316L construction, IP68 protection, and 4–20 mA output, STR82D delivers precise and long-term reliable level measurement in harsh and corrosive environments.
🔧 STR82D — Key Technical Data & Selection Parameters
| Parameter | Specification / Details |
| Measurement Principle | Hydrostatic pressure → level (piezoresistive sensing) |
| Measuring Range | 0…1 m to 0…200 m WC (custom spans available) |
| Accuracy | ±0.25% to ±0.5% of span |
| Output Signal | 4–20 mA, 2-wire |
| Sensor Material | SS316L diaphragm, oil-filled piezoresistive sensor |
| Body Construction | SS316 / SS316L fully welded |
| Medium Compatibility | Water, wastewater, raw water pits, light chemicals |
| Protection Rating | IP68 (continuous submersion) |
| Cable Type | Vented PUR/FEP/PVC cable options |
| Cable Length Options | Standard 5–50 m; extended lengths available |
| Overpressure Limit | 1.5×…2× rated span |
| Temperature (Medium) | –10 °C to +80 °C |
| Temperature (Ambient) | –20 °C to +70 °C |
| Electrical Protections | Reverse polarity, surge protection, EMC compliant |
| Vent Tube Protection | Integrated breathable filter |
| Typical Applications | Borewells, reservoirs, sumps, ETP/STP tanks, raw-water pits |
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