Our Products
Our Complete range of products are RNRG Ice Free 3 Heated Anemometer and RM Young Vertical Anemometer.
The electrically heated IceFree3 Anemometer's simple, robust design provides a proven and reliable solution in icing environments.
The IceFree3 signal output is a variable amplitude sine wave, where frequency is proportional to wind speed. Patented off-axis correction minimizes errors in measuring up-slope or down-slope winds. The internal heater is powered by 24 VAC and allows for an operating temperature range of -40C to 80C (-40 F to 176 F). The optional 120/240 VAC to 24 VACTransformer - IceFree3 Sensorsis available to step down 120/240 VAC grid power.
The IceFree3 Heated Anemometer comes with a 10 m potted cable that can be extended to your desired length using thePower Cable Kit - IceFree3 Sensor 2C, sold separately and available in 10 meter increments up to 90 meters.
IceFree3 Heated Anemometer 10m (33') cable (#3447)IceFree3 Heated Anemometer 10m (33') cable, Calibrated (#2578)DescriptionSensor type3 cup heated anemometer3 cup heated anemometerApplications
Sensor rangemaximum rated wind speed is 90 m/s (200 miles per hour)maximum rated wind speed is 90 m/s (200 miles per hour)Instrument compatibilityall NRG loggersall NRG loggersOutput signalSignal typevariable amplitude sine wave, frequency proportional to wind speedvariable amplitude sine wave, frequency proportional to wind speedAnemometer Transfer Functionm/s = (Hz x 0.572) + 1.00[miles per hour = (Hz x 1.28) + 2.24]m/s = (Hz x 0.572) + 1.00[miles per hour = (Hz x 1.28) + 2.24]Sensor to Sensor Variation99.7% of sensors fall within 4.3% of stated transfer function (based on over 800 samples)99.7% of sensors fall within 4.3% of stated transfer function (based on over 800 samples)Calibrationavailable upon request - contact NRG for more information.calibration report suppliedOutput signal range0 Hz to 155 Hz0 Hz to 155 HzResponse characteristicsDistance constant (63% recovery)n/a7.6 m (25 feet)Power requirementsHeater supply voltage
Heater supply current
InstallationMountingmounts to a 27 mm (1.05 inch) diameter (3/4 inch IPS) pipe with a 5/16 inch nut and bolt; cabling exits into mounting pipemounts to a 27 mm (1.05 inch) diameter (3/4 inch IPS) pipe with a 5/16 inch nut and bolt; cabling exits into mounting pipeTools required13 mm (0.5 inch) nut driver13 mm (0.5 inch) nut driverEnvironmentalOperating temperature range-40 C to 60 C (-40 F to 140 F)-40 C to 60 C (-40 F to 140 F)Operating humidity range0 to 100% RH0 to 100% RHPhysicalConnectionsSignal Cable
Signal Cable
Cable length
Weight1.45 kg (3.2 pounds)1.45 kg (3.2 pounds)Dimensions
MaterialsCupsprecision balanced aluminum with black anodized finish and heat-resistant black paintprecision balanced aluminum with black anodized finish and heat-resistant black paintBodycast aluminum with black anodized finish and heat-resistant black paintcast aluminum with black anodized finish and heat-resistant black paintShaftcenterless ground, stainless steelcenterless ground, stainless steelBearingstainless steel ball bearings with application specific lubricationstainless steel ball bearings with application specific lubricationMagnet4 pole ceramic4 pole ceramicCoilsingle coil, shielded for ESD protectionsingle coil, shielded for ESD protectionCable
Enclosure
Heaterfully encapsulated, self-regulatingfully encapsulated, self-regulatingBasecast aluminum with black anodized finish and heat-resistant black paintcast aluminum with black anodized finish and heat-resistant black paint
Whether you are conducting a resource assessment campaign or managing an existing site, every stage of successful wind and solar energy projects depends on precise wind speed data. RK Systems offers numerous types of anemometersincluding heated and vertical onesto suit a variety of performance and application needs.
Increasingly, wind farm developers and turbine manufacturers are seeking to understand the vertical component of wind velocity. The RM Young 27106T is a precision air speed measurement instrument designed to meet this need. This dynamic sensor responds specifically to the component of air flow that is parallel to the axis of its rotation.
The RM Young 27106T interfaces with all Symphonie series data loggers. In order to accommodate the output signal of the sensor, your data logger must be equipped with either aSymphonie SCM Card(SCM #3745, used with SymphoniePLUS3 and older) or a Pro Signal Conditioning Module (P-SCM #9134, used with SymphoniePRO). An HD single-sided 76", 3/4" IPT mounting boom and a two-conductor sensor cable (of appropriate length) are required to mount the sensor to a met tower.
Ramkrishna Iron Works Pvt. Ltd. (Ramkrishna Iron Works Pvt. Ltd.)
26, Gobind Mahal, Marine Drive,
86B, Netaji Subash Road,
- 400002, Mumbai, Maharashtra
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