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Texas Instruments SERIES 525 RAINFALL SENSORS manual

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  • Page 1

    COMPLETE WEATHER STA TION USER’S MANU AL TEXAS ELECTRONICS , INC. 5529 Redfie ld St. Da llas, TX 7523 5 P.O. Box 72 25 Dallas, T X 75209 Phone (214) 631-2490 Fax (214) 6 31-4218 Toll Fre e (800) 42 4-5651[...]

  • Page 2

    SERIES 525 RAINFALL SENSORS DESCRIPTION The sensor consists of a gold anodized alum inum collector funnel with a k nife-edge that diverts the water to a tipping bucket mechanis m. The models TR-525 I and TR-525USW are calibrated in inches (.01 ” per tip) and model TR-525M is calibrated in mi llimeters (.1mm per tip). A ma gnet is attached to the [...]

  • Page 3

    ORDERING INFORM ATION Model # Description TR-525I Rain Gauge, 6.06” collecto r, English (Please specif y for calibrati on of 0.2 mm/tip) TR-525USW Rain Gauge, 8.00” collecto r, English TR-525M Rain Gauge, 25 mm collector, Metric Optional Parts / Accessories HOBO Event Datalogger and Software MB-525 Pole Mounting Base FC-525 Field Calibration Ki[...]

  • Page 4

    MODEL 525 TIPPING BUCKET RA IN GAUGE TRANSMITTER INSTALLATION INSTR UCTIONS A clear and unobstructed moun ting location is necessar y to obtain accurate rainfall readings. This transmitter has prov isions for mounting two wa ys, surface mounting and mast mou nting. Surface mounting is recommende d where possible. The tr ansmitter housing MUST be m [...]

  • Page 5

    FIELD CALIBRATION TR-525I & TR-525M Absolutely accurate calibration can be obt ained onl y with laboratory equipment, but an approx imate field check can be easily made. The tipping bucket mechanis m is a simple and highl y reliable device. The transm itter must be located in a clear area, awa y from trees, buildings, etc. It must also be mount[...]

  • Page 6

    MODEL TTH-1315 TEMPERATURE HUMIDITY SENS OR DESCRIPTION The Texas Electronics, Inc. Model TTH-1315 S ensor utiliz ed a Rotronics HygroClip S3 Humid ity Temperature Probe with interchangeabl e sensing elements that do no t require calibration. The unit is encased in a co rrosive-resistant spun aluminum radiation shield that allows for wind aspir ati[...]

  • Page 7

    Sampling Ti me: <0.7 sec Maximum cab le length: 5 m / 15 ft. for direct output Up to 1 00 m / 325 ft. with signal amplifier Connection T ype: Bayonet cap on mountin g connector Prote ction grade: IP65 ( probe to co nnector) Supply voltage: 3.5 … 50VDC Current cons umption: <4 mA Minimum excitatio n time: <4 sec EMC co mpatibility (CE): E[...]

  • Page 8

    MODEL TD-4 WIND DIRECTION SENSOR DESCRIPTION The Texas Electronics, Inc. TD-4 Wi nd Direction Sensor is a mechanic al st y le wind meter that mea sures the horizontal wind az imuth. This unit combines sm all physical size with superior bearin gs to meet the EPA's Prevention of Significant Deteriorati on (PSD) starting threshold requi rements. [...]

  • Page 9

    FEATURES & BENEFIT S • Superior low starting threshold • Long life hybrid dual wi per potentiometer • No plastic parts for ex tremely long life • Precision stainless stee l bearings for stability and repeat ability • Crossarm included with purchase of matchin g wind speed sensor • Easy installation and maintenance • Over 25 years [...]

  • Page 10

    MODEL TV-4 WIND SPEED SENSOR DESCRIPTION The Texas Electronics, Inc. TV-4 Wi nd Speed Sensor is a mechanic al style anemometer that measu res the horizontal velocit y of wind. This unit combines sm all physical size with superior bearin gs to meet the EPA's Prevention of Significant Deteriorati on (PSD) starting threshold requi rements. The TV[...]

  • Page 11

    Physical: Cup Wheel Dia meter: 6.0" (15 .3 cm) Overall Hei ght: 4.75" (12.1 cm) Turning Radiu s: 3.0" (7. 6 cm) Cup Diameter: 2.0" (5. 1 cm) Bearings: APEC 3 or b etter Mounting B ase: Screw attach ment, 10 -32 machine scre w Weight: 0.5 lb s (0.23 kg) less cab le Cable: 60' (18 .3 m) 3 conducto r 22 gauge Warrant y: 3 year[...]

  • Page 12

    MODEL SP-LITE SOLAR RAD IATION SENSOR DESCRIPTION The Texas Electronics, Inc. SP -Lite Solar Radiation Sensor util izes a Kipp & Zonen Silicon p yra nometer mounted in a white baked-enamel finished aluminum bracket that provid es a stable upward-facing in stallation. It measures the solar energ y that is received from the entire hemis phere (18[...]

  • Page 13

    Mechanical: Material o f housing: Anod ized aluminum co ntained in whit e baked- enamel finished aluminu m mounting b racket Cable lengt h: 60 ft. Dimensions: He ight fro m surface to top of level P yranometer - - 6.25" (15.87 cm) Width - 2.7 5 " (6 .98 cm) Length - 8. 25 " (20 .95 cm) Weight: 3 lbs. (1.36 kg.) with 60 ft. cable Envi[...]

  • Page 14

    Texas Electronics, Inc. Texas Electronics, Inc. Texas Electronics, Inc. Texas Electronics, Inc. Model TB-2012M Barometer Model TB-2012M Barometer Model TB-2012M Barometer Model TB-2012M Barometer Remove cover of TB-2012M and adjust Remove cover of TB-2012M and adjust Remove cover of TB-2012M and adjust Remove cover of TB-2012M and adjust Refer to P[...]

  • Page 15

    FEATURES & BENEFIT S • Interfaces to virtuall y all data acquisition systems • Can be used up to 180 0 ft. elevation without factor y modification • Over 1800 ft. elevatio n applications available • Easy installation and maintenance • Over 5 years in production • Weatherproof Nema Enclosure for sup erior outdoor protection • Wide [...]

  • Page 16

    PROPER EXPOSURE OF METEOROLOGIC AL INSTRUMENTS Generally recognized gui delines follow which depict "ideal" sensor mounting locations. Th ese guidelines or "rules of thumb" are onl y suggestive in nature in an attempt to aid the user to selecting optimum repr esentative sampling locations for a particular sensor. Reference was m[...]

  • Page 17

    PRECIPITATION GA UGES: Rain gauges should be installed on a level plot of ground, at a distanc e from any object of at least two and preferably four times the height of the obj ect above the top of the gauge. A ll t y pes of gauges must be ex posed with the rim of the receiv er in a horizontal plane and at a level w ell above the average level of s[...]

  • Page 18

    Step 2: Attach wind vane and counter-weight to the di rection sensor head. Loosen the two set screws on the top of the wind vane (upper unit). Insert the vane and counter-weight into t he holes. Be sure to press both pa rts all the wa y in and make sure the flat areas on each arm face the set-screws. Tighten the set screws. Note: For optimum perfor[...]

  • Page 19

    Two methods of aligning the vane are av ailable. The first method inv olves loosening the large set screw at the bottom of the wind di rection sensor so that it wi ll rotate on the U-arm. Turn the bottom half of the sensor until t he compass readings and the in dication match then retighten the set scr ew. The second method invol ves rotating the e[...]

  • Page 20

    Warranty Texas Electronics, Inc. ( hereafter TE I) warrants the equi pment manu factured b y it to be free from defects in material and workmansh ip. Upon return, transportation charges prepaid to TE I, wit hin three (3) years of original shipm ent of sens ors and one (1) year of o riginal s hipment of electronics, recorders and i ndicators, TEI wi[...]

  • Page 21

    Three-Yea r Warranty Equipment List Effective February 1, 1992 all of Texas Ele ctronics, Inc. sensors will carry a Three-Year warranty instead of the previous One-Year. The remainder of term s and conditions of the warranty rem ains unchanged. A specific list of item s follows. Sensors Covered by Three-Year Warra nty Systems Covered by Three-Year [...]