NG # 02640-HW-KELLER-016
The Keller Nanolevel is an ultra-slim, high-precision submersible level transmitter specifically designed for shallow water level measurements, small-diameter monitoring wells, and space-constrained applications. With a housing diameter of just 0.63 inches (16 mm), it is one of the smallest piezoresistive submersible level transmitters available, allowing it to easily fit into $3/4\text{-inch}$ piezometers and narrow observation tubes.
Stock
Custom Pricing
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Stock
Custom Pricing
Get A Quote| Parameter | Standard Specification | High-Accuracy Option |
| Pressure Ranges | $0\text{--}3\text{ ft WC}$ up to $0\text{--}300\text{ ft WC}$ ($0\text{--}100\text{ mbar}$ to $0\text{--}10\text{ bar}$) | Custom calibration available |
| Pressure Types | Vented Gauge (Relative) or Absolute | — |
| Static Accuracy (25°C) | $\pm 0.1\%\text{ FS}$ | $\pm 0.05\%\text{ FS}$ |
| Total Error Band (TEB) | $\pm 0.25\%\text{ FS}$ | $\pm 0.1\%\text{ FS}$ ($0\text{--}50^\circ\text{C}$) |
| Proof Pressure | $2\times\text{ Full Scale}$ | — |
| Operating Temperature | $-10^\circ\text{C to } +60^\circ\text{C}$ ($14^\circ\text{F to } +140^\circ\text{F}$) | — |
| Compensated Temp Range | $0^\circ\text{C to } +50^\circ\text{C}$ ($32^\circ\text{F to } +122^\circ\text{F}$) | — |
| Analog Output Options | $4\text{--}20\text{ mA}$ (2-wire current loop), $0\text{--}5\text{ VDC}$, $0\text{--}10\text{ VDC}$ | — |
| Digital Output | RS-485 (MODBUS RTU / Keller-bus) | — |
| Supply Voltage | $8\text{--}32\text{ VDC}$ (Voltage output) / $11\text{--}32\text{ VDC}$ ($4\text{--}20\text{ mA}$ output) | — |
| Outer Diameter | $0.63\text{''}$ ($16\text{ mm}$) | — |
| Housing Material | 316L Stainless Steel (Standard) or Titanium (Optional) | — |
| Submersible Cable | Polyethylene (PE) or Hytrel® with integral atmospheric vent tube | — |
| Ingress Rating | IP68 / NEMA 6P (Submersible up to sensor pressure rating) | — |
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