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MODEL100 REV D.wpd

E.

Restore power.

F.

Connect a DC voltmeter across the TEMP (

%

) and the GND (

!

) test point jumpers.

Select R3* for proper TEMP value.  Select R2* (coarse) and adjust R1* (fine) for 

)

T

value.

G.

Compare the measured flow rate and the indicated flow rate to original calibration data
of Table II.  Recheck TEMP and 

)

T.

*resistors of dummy transducer

Содержание Rheotherm 100

Страница 1: ...isclose to its satisfaction to have been thus defective this warranty being expressly inlieu of all other warranties express or implied and all other obligation or liabilities on Intek s part The purc...

Страница 2: ...al Check 11 SECTION 4 MAINTENANCE 12 4 1 GENERAL MAINTENANCE 12 4 3 SPARE PARTS 13 4 4 TROUBLE SHOOTING 13 TABLE I TROUBLE SHOOTING GUIDE 13 SECTION 5 CUSTOMER SERVICE 14 5 1 QUESTION ON EXISTING HARD...

Страница 3: ...ures of Rheotherm instruments are Nonintrusive flow measurement For pipe sizes from 0 030 to 2 inches flow sensing can be done from outside the flow tube No moving parts There are no rotating translat...

Страница 4: ...non linear output is approximately proportional to the logarithm of flow Intek Inc is licensed to use this patented and trademarked flow measurement technique Nonintrusive transducer Example of Exampl...

Страница 5: ...clean and free of permanent layer build up 7 Do not exceed pressure limits of the tube or fittings 8 Maintain a thermally stable environment short term for the transducer and adjacent line See SECTION...

Страница 6: ...and if supplied the gasket is in place Seal conduit lines at the connector box if conduit lines can become wet 1 TU nonintrusive TU 1 16 and TUc transducers unless they have optional O D ends particul...

Страница 7: ...uniform fluid temperature A box around the sensor and inlet tubing is highly recommend for operating temperatures higher than room ambient Allow enough inlet tubing inside the box to allow the fluid...

Страница 8: ...ronics housings are available These include NEMA 4 laboratory bench type explosion proof and panel mount enclosures as well as special models to meet customer requirements These come in different size...

Страница 9: ...rly after installation is completed check these connections again In general the laboratory unit will have a plug in connector for the transducer cable 2 Power The input power requirement is listed on...

Страница 10: ...r a particular fluid either at the factory or in the field If the fluid changes properties the calibration changes Therefore once calibrated do not allow fluid properties such as density and viscosity...

Страница 11: ...2 Transducer isolation check Figure B p 11 3 Electronic circuit board check Figure C p 11 1 The transducer continuity check is performed as follows see Figure A p 11 A Disconnect the transducer cable...

Страница 12: ...the TEMP and the GND test point jumpers Select R3 for proper TEMP value Select R2 coarse and adjust R1 fine for T value G Compare the measured flow rate and the indicated flow rate to original calibra...

Страница 13: ...11 MODEL100 REV D wpd...

Страница 14: ...is a single point linear offset and this should usually be tried first All calibrations should be done at normal operating temperature When a single point calibration or recalibration is required it i...

Страница 15: ...izes Output saturates high or low will not respond to flow change 1 Loose transducer cable connections 2 Flow rate not yet within range of meter 3 Meter Calib switch in wrong position 4 Transducer cab...

Страница 16: ...the phone Please provide as complete a description as possible of the problems encountered 5 3 FACTORY AND FIELD SERVICE If you request field service Intek has experienced engineers available to meet...

Страница 17: ...0 Vac 50 60 Hz Q 24 Vdc Output 4 20 mA Q 0 5 Vdc Q 0 10 Vdc Pressure Rating Temperature Rating Calibrated Range Wetted Material 316 stainless steel Q other Enclosure Type NEMA 4 Q NEMA 4X Q NEMA 7 CL...

Страница 18: ...TA FOR FUNCTIONAL TEST Unit Serial Number I II III IV V VI TEMP T TP4 Linear Output Instrument Display Flow Rate Note An offset of data in Column III and IV with respect to Column II may appear if the...

Страница 19: ...17 Figure 1 Rheotherm 100 Rev B Signal Conditioner PCB Layout...

Страница 20: ...18 Figure 2 Flow Rate vs Output Curve...

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