These versatile, high-precision, biaxial tiltmeters are well suited for a wide variety of measurement

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Description

zTulip 4-20mA Uniaxial Clinometer Tulip 4-20mA Uniaxial Clinometers are compact and accurate instruments for measuring angular position where space is limited. Use them in pressure housings, well logging tools or on any machine or structure. Tulip’s electrolytic tilt sensor has no mechanical moving parts to break or wear out, and it’s gravity referenced. You can install your clinometer anywhere, without the need for complicated levers or fixtures. Tulip is current loop powered, so measurements can be made over long cable lengths using an economical 2-wire pair. Vertical and horizontal versions are both available, and the horizontal version measures either longitudinal or transverse rotation (see drawing) to give you maximum flexibility when designing it into your system. As an added bonus, Tulip measures temperature using a built-in thermistor. Call us today for details about this versatile device! High-Gain Version Standard Version Wide-Angle Version ANGULAR RANGE ±10 degrees (20 degree span) ±25 degrees (50 degree span) ±50 degrees* (100 deg. span) SCALE FACTOR 1.25 °/ mA typical 3.125 °/ mA typical 6.25 °/ mA typical LINEARITY 1% of full span 1% of half span, 2.5% of full span 1.2% of half span, 7.5% of full span RESOLUTION 0.005 degree 0.01 degree 0.02 degree REPEATABILITY 0.01 degree. 0.02 degree < 0.04 degree HYSTERESIS < 0.02 degree < 0.02 degree TILT OUTPUT 4-20 mA two-wire current loop -t/T TIME CONSTANT, T 150 ...

Informations

• Publié par: Atto
• Nombre de lectures: 27
• Langue: English

Extrait

Tulip 420mA Uniaxial Clinometer Tulip 420mA Uniaxial Clinometers are compact and accurate instruments for measuring angular position where space is limited.Use them in pressure housings, well logging tools or on any machine or structure. Tulip’s electrolytic tilt sensor has no mechanical moving parts to break or wear out, and it’s gravity referenced.You can install your clinometer anywhere, without the need for complicated levers or fixtures. Tulip is current loop powered, so measurements can be made over long cable lengths using an economical 2wire pair. Vertical and horizontal versions are both available, and the horizontal version measures either longitudinal or transverse rotation (see drawing) to give you maximum flexibility when designing it into your system.As an added bonus, Tulip measures temperature using a builtin thermistor.Call us today for details about this versatile device! Standard VersionHighGain VersionWideAngle Version ANGULAR RANGE ±25 degrees (50 degree span)±10 degrees (20 degree span)±50 degrees* (100 deg. span) SCALE FACTOR 1.25°/ mA typical3.125°/ mA typical6.25°/ mA typical LINEARITY 1% of full span 1.2% of half span, 7.5% of full span1% of half span, 2.5% of full span RESOLUTION 0.02 degree0.005 degree0.01 degree REPEATABILITY < 0.04 degree0.01 degree.0.02 degree HYSTERESIS < 0.02 degree< 0.02 degree< 0.04 degree TILT OUTPUT 420 mA twowire current loop t/T TIME CONSTANT,T where150 msec; output is proportional to 1  et= time in seconds NATURAL FREQUENCY available with viscous sensor to damp vibrations10 Hz; o o TEMPERATURE COEF. C, Zero: 1020 arc sec/C typicalSpan: +0.03%/ (0.02 Ampere xR+ 10 VDC) <Vs< 29 VDC POWER REQUIREMENT,V S whereRis the resistance of the shunt resistor and loop wiring in Ohms TEMPERATURE OUTPUT Temperature is measured with a 2500Ohm thermistor, 50 to +150°C range ENVIRONMENTAL −40°to +85°C operating and storage DIMENSIONS An 18inch (45 cm) cable is supplied with eachSee drawing. Tulip . WEIGHT 0.5 oz (15 g) MATERIALS Liquidfilled glass or metal sensor, fiberglass PC board  * greater range available TulipOrder Numbers.Add VISCDAMP to end of number for viscously damped sensor. Horizontal TransverseTilt LongitudinalTilt Vertical High Gain9800601 9800604High Gain9800701 Standard 98006029800605 Standard9800702 Wide Angle9800603 9800606Wide Angle9800703

1336 Brommer Street, Santa Cruz, CA 95062 USATel.(831) 4622801, Fax (831) 4624418 [e-mail] z  www.geomechanics.com L00254A,©2005 Applied Geomechanics Inc.

Tulip 420mA Uniaxial Clinometer

1) V SUPPLY 2) GROUND 3) TEMPERATUREEXCITATION 4) TEMPERATUREOUT 5) TEMPERATURERETURN

1336 Brommer Street, Santa Cruz, CA 95062 USATel.(831) 4622801, Fax (831) 4624418 [e-mail] z  www.geomechanics.com L00254A,©2005 Applied Geomechanics Inc.

Tulip 420mA Uniaxial Clinometer

1) V SUPPLY 2) GROUND 3) TEMPERATUREEXCITATION 4) TEMPERATUREOUT 5) TEMPERATURERETURN

1336 Brommer Street, Santa Cruz, CA 95062 USATel.(831) 4622801, Fax (831) 4624418 [e-mail] z  www.geomechanics.com L00254A,©2005 Applied Geomechanics Inc.

Tulip 420mA Uniaxial Clinometer

Tulip’scurrent signal is measured indirectly using a shunt resistor,R. Ohm’sLaw states thatV 1 – V 2 = IR, whereIis current in Amperes,Rresistance in Ohms, andV 1 andV 2 the voltages measured on opposite sides of the shunt resistor

70000

60000

50000

40000 O H M 30000 S

20000

10000

Resistance vs. Temperature for 2500 Ohm Thermistor with B Type Curve (U.S. Sensors LR252B1K)

0 60 40 200 2040 Degrees Celsius T = 1/[A + B Ln(RT3) + C Ln(RT3)^3 + D Ln(RT3)^5] – 273.15 where T is in degrees Celsius and RT3 = thermistor resistance. A = 7.34862E04 B = 3.38205E04 C = 1.30862E07 D = 1.21751E09 1336 Brommer Street, Santa Cruz, CA 95062 USATel.(831) 4622801, Fax (831) 4624418 [e-mail] z  www.geomechanics.com L00254A,©2005 Applied Geomechanics Inc.