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Texas Electronics, Inc.

Dallas, TX 75237

Fax.214.631.4218

4230 Shilling Way

Tel.214-631-2490

www.texaselectronics.com

Complete Weather Station

User’s Manual

“Relied on Worldwide in the Most Extreme Conditions”

Содержание TR-525 Series

Страница 1: ...exas Electronics Inc Dallas TX 75237 Fax 214 631 4218 4230 Shilling Way Tel 214 631 2490 www texaselectronics com Complete Weather Station User s Manual Relied on Worldwide in the Most Extreme Conditions ...

Страница 2: ...ottom of the housing hence the sensor requires no attention or servicing of any sort It is completely automatic The aluminum sensor housing is finished with a white baked enamel paint to withstand years of exposure to the environment Specifications Resolution 0 01 or 0 1mm English 1 0 at 1 hr or less Average Switch Closure Time 135 ms Maximum Switch Rating 30 VDC 2A 115 VAC 1 A Humidity Limits 0 t...

Страница 3: ...y for calibration of 0 2 mm tip TR 525USW Rain Gauge 8 00 collector English TR 525M Rain Gauge 25 mm collector Metric Optional Parts Accessories HOBO Datalogger and Software MB 525 Pole Mounting Base FC 500 Field Calibration Kit BB 525 Bird Repellant HT 525 Heater 120 VAC Cable Additional Cable ...

Страница 4: ...a simple and highly reliable device The transmitter must be located in a clear area away from trees buildings etc It must also be mounted level Accurate readings will not be obtained unless the transmitter is mounted in a level position The mechanism must be clean Any accumulation of foreign material dust etc will alter the calibration of this unit The transmitter must be calibrated with the rate ...

Страница 5: ...perly calibrated Decreasing the rate of flow will not materially affect the calibration The reason for this is obvious if the tipping bucket assembly is observed in operation with water falling into one side of the tipping bucket there comes a point when the weight of this water starts to tip the bucket Some time is required for the bucket to tip a few milliseconds During the first 50 of this tipp...

Страница 6: ...sor and signal conditioning units in an overcurrent situation With DC voltage applied to the sensor the unit will return signal voltages that are linear to the range of the instrument Signal conditioning is applied to ensure proper voltages are returned and can be amplified or modified to a current output to connect to any analog signal processing unit Specifications Temperature Sensor RTD Pt100 O...

Страница 7: ...e radiation shield with sensing element can be pole or mast mounted Whenever possible sensors should be installed at a height of 4 ft 1 2 meters or greater over earth or sod at least 100 ft 30 48 meters away from any concrete or other hard surfaced area and not closer to any other object than four times the height of the object above the instrument shelter or remote sensors Avoid roof installation...

Страница 8: ...nce proportionally to the direction of wind SPECIFICATIONS Signal Presentation 5000 ohm potentiometer Analog 4 20 Ma 3 VDC excitation minimum 3 VDC excitation minimum 10 30 VDC Accuracy 3 0 Resolution 1 Environmental Temperature 40 to 160 F 40 to 70 C Physical Overall Height 6 75 17 2 cm Weight 0 5 lbs 0 23 kg less cable Mounting Base Screw attachment 10 32 machine screw Operating Range 0 360 mech...

Страница 9: ... factory and due to the nature of its operation should not require field calibration Calibration is a matter of proper orientation during installation A magnetic compass is recommended for proper orientation Field maintenance should include occasional cleaning of the vane assembly and inspection of the internal mechanism to make sure it is free from insects and debris In some applications users ma...

Страница 10: ...racy is needed and continuous power is not a problem The AC frequency output is used in situations where power consumption is critical And finally the conditioned analog signal is used to easily and quickly communicate with virtually all digital control systems such as PLC s or SCADA systems SPECIFICATIONS Signal Presentation Pulsed DC output light chopper Please specify 1 MPH 520 pulses min Other...

Страница 11: ... suitable beam If a crossarm is used the entire unit can be bolted to a mast or attached via U bolts The sensor is dynamically calibrated at the factory and due to the nature of its operation should not require field calibration Field maintenance should include occasional cleaning of the cup assembly and inspection of the internal mechanism to make sure it is free from insects and debris In some a...

Страница 12: ... such a way that it has a field of view of 180 degrees and that its angular characteristics fulfill the Cosine Response The nominal output resistance of the pyranometer is 50 Watts This implies that the input impedance of the readout equipment should be at least 5000 Ohms in order to make an error of less than 0 1 Cable can be extended without problems to a length of 328 ft or 100 meters provided ...

Страница 13: ...ssible If practicable instrument should be located so that 1 a shadow will not be cast on it at any time e g by radio masts etc 2 it is not close to light colored walls or other objects likely to reflect sunlight onto it and 3 it is not exposed to artificial radiation sources A flat roof provides the best location or a rigid stand with a horizontal upper surface some distance from building structu...

Страница 14: ...tions up to 1800 feet or 548 64 meters above sea level The unit is temperature compensated from 18 to 50 C if elevations above 1800 feet or 548 64 meters are required contact the factory for higher elevation calibration SPECIFICATIONS Supply Voltage 12 to 15 VDC Accuracy 1 3 Calibrated Temperature Range 18 to 50 C Optional Output 4 20 mA Dimensions 6 H x 5 W x 3 D 15 24 cm x 12 7 cm x 7 62 cm Warr...

Страница 15: ...e instrument will not be subject to rapid fluctuations of temperature or to jarring and continuous vibration Avoid exposing the instrument to direct sunlight or radiant heaters and to direct drafts such as open windows and doors A mounting bracket with hardware is attached to the Nema enclosure of the sensor ORDERING INFORMATION Model Description TB 2012M Barometric Pressure Sensor TB 2012M A Baro...

Страница 16: ...ureau Branch Office Indicator readings for a true north sensor orientation will then be in terms of true geographic compass points All U S Weather Bureau surface wind data used for observational network reporting purposes and general public use is given in reference to this true north format Indicator readings for a magnetic north sensor orientation will be in terms of actual readings as would be ...

Страница 17: ...nd doors Reference 1 U S Department of Commerce National Weather Service Bulletin LS 5927 Revised 0 4 12 January 1963 SOLAR RADIATION SENSORS The Solar Radiation Sensor is normally mounted on a level surface totally remote from trees poles or power lines that might cast a shadow on the sensor at any time of the day However there may be occasions because of extreme latitudes when it is desired to m...

Страница 18: ...of the U arm be careful not to damage the wires inside the U arm Replace the tube reinforcing plate on the U bolt and replace the U bolt nuts Step 5 Slip the U bolts over the mast and tighten Make certain that the anemometer cups do not hit the mast Step 6 Attach guy wire clamp just below the U tube assembly Step 7 Attach base mount to the roof or side wall Note that the base mount U bolt will rot...

Страница 19: ...tion is achieved this technique is usually easier because of the heights involved but will usually necessitate repositioning rotating of the guy wire clamp If winds are creating rapid fluctuations in the vane making calibration difficult the vane can be temporarily secured in a fixed position by carefully wedging a thickly folded piece of paper or cardboard into the gap between the upper and lower...

Страница 20: ...ntain defective material or workmanship and will return said equipment to purchaser F O B TEI Texas Electronics shall not be obligated however to repair or replace equipment which has been repaired by others abused improperly installed altered or otherwise misused or damaged in any way TEI will not be responsible for any dismantling re assembly or reinstallation charges This warranty is in lieu of...

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