NG # 04018-HW-KELLER-040
The KELLER Series 7LHP is an unamplified, piezoresistive OEM high-pressure transducer. It is engineered for industrial integration where pressure levels exceed standard transducer limits and require extreme long-term stability in compact spaces.
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Custom Pricing
Get A QuoteThe high-pressure transducers of the 10LHP series have robust housing of stainless steel, giving them optimum long-term stability for a range of OEM applications. The metal diaphragm is welded on front-flush and gap-free, separating off the piezoresistive pressure sensor made of silicon from the measuring medium. Every pressure transducer is measured over the entire pressure and temperature profile and is supplied with a detailed calibration sheet.
| Parameter | Specification |
| Pressure Ranges | $0\text{--}100\text{ bar}$ up to $0\text{--}2,000\text{ bar}$ |
| Pressure Reference | Sealed Gauge / Absolute (PA, PAA) |
| Line Linearity / Accuracy | $\pm 0.25\%\ \text{FS}$ typical (BFSL) |
| Long-Term Stability | $\le \pm 0.25\%\ \text{FS / year}$ |
| Power Supply | Constant current supply: $1\text{ mA}$ nominal ($3\text{ mA}$ max) |
| Typical Output Span | $\sim 160\text{ mV/mA}$ (varies based on pressure range) |
| Bridge Resistance | $3.5\text{ k}\Omega \pm 20\%$ at $20^\circ\text{C}$ |
| Compensated Temp. Range | $-10^\circ\text{C}$ to $+80^\circ\text{C}$ (Optional extended ranges available) |
| Operating Temp. Range | $-40^\circ\text{C}$ to $+150^\circ\text{C}$ (up to $+180^\circ\text{C}$ with Inconel/Titanium variants) |
| Dimensions & Weight | $\varnothing 15\text{ mm} \times 8\text{ mm}$ | Weight: $$\sim 8.6\text{ g$ (Stainless Steel) |
| Electrical Interface | $\varnothing 0.45\text{ mm}$ gold-plated pins ($9\text{ mm}$ length) or flexible AWG28 silicone leads |
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