Description
NRG 40C Cup Anemometer
The NRG 40C is a three-cup anemometer for wind resource measurement. Its passive AC frequency signal can be recorded by a compatible wind data logger, providing a practical sensor option for met masts, site surveys and research measurement campaigns.
Technical specifications
| Manufacturer | NRG Systems |
|---|---|
| Model | 40C |
| Sensor type | Three-cup anemometer |
| Measurement range | 1–96 m/s |
| Signal | Low-level AC sine wave; frequency proportional to wind speed |
| Output frequency | 0–125 Hz |
| External power | Not required for the sensor |
| Nominal transfer function | 0.765 m/s per Hz + 0.35 m/s; use individual calibration coefficients when supplied |
| Cable requirement | Two-conductor, 20 AWG shielded cable |
| Mounting | 13 mm diameter mast |
| Calibration options | MEASNET-calibrated configurations; selected calibration service and certificate requirements to be confirmed |
Application and selection
For wind resource assessment, the installation position, mast and boom geometry, terrain exposure and calibration records affect the quality of the measurement campaign. Select the sensor as part of a complete measurement plan.
The low-level AC output requires a compatible frequency input or signal conditioner. Check logger sensitivity, cable length, shielding and surge protection before specifying a system. The data logger, boom, mast and cabling are separately specified.
Information for your quotation
- Required quantity and measurement locations
- Logger model, input type and cable length
- Calibration laboratory or certificate requirements
- Boom arrangement, project schedule and delivery postcode
The outdoor image illustrates a manufacturer sensor installation; mast and boom components are separately specified.
Supply availability, included items, price, freight, lead time and warranty arrangements are confirmed in the written quotation for the selected configuration.