LF3000 series
Microfluidic Flow Meters
User Manual
VA.0
@ 2022 Siargo Ltd.
www.Siargo.com
Страница 1: ...LF3000 series Microfluidic Flow Meters User Manual VA 0 2022 Siargo Ltd www Siargo com...
Страница 2: ...e La Cruz Boulevard Suite 210 Santa Clara CA 95054 USA Tel 1 408 969 0368 Email info siargo com Copyright 2022 and Liability Disclaimer Siargo Ltd and its subsidiaries reserve the right to change the...
Страница 3: ...r qualified personnel shall be allowed to perform product services Be cautious for electrical safety and even it operates at a low voltage any electrical shock might lead to some unexpected damages Th...
Страница 4: ...5 5 Analog interface measurement 14 5 6 Digital interface measurement 15 5 6 1 I2 C communication protocol 16 5 6 1 1 I2 C interface connection diagram 16 5 6 1 2 I2 C interface read write sequences...
Страница 5: ...24 8 2 3 Pressurized flow delivery 25 8 2 4 Continuous operation 25 8 2 5 Measurement of non conventional fluid 25 8 2 6 Product calibration 25 8 2 7 Verification of the product s accuracy or reproduc...
Страница 6: ...patibility Thermal time of flight sensing is achieved by modulating a thermal transmitter and acquiring the modulated signals from the receivers at precise distances downstream The predefined precise...
Страница 7: ...e 2 1 LF3000 flow meter Figure 2 2 LF3000 flow sensor Figure 2 3 Power and data cable Please check immediately for the integrity of the product and the power and data cable if any abnormality is ident...
Страница 8: ...Power and data cable description Table 3 1 pin assignment Figure 3 1 LF3000 socket and cable Pin Color Definition 1 Brown Power supply 8 24Vdc 2 White SCL I2C clock RS485B 3 Blue Ground 4 Black SDA I2...
Страница 9: ...www Siargo com LF3000 User Manual 8 3 3 Mechanical dimensions Figure 3 3 1 LF3000 0 2 50sccm full scale meter dimensions Figure 3 3 2 LF3000 0 2 50sccm full scale sensor dimensions...
Страница 10: ...www Siargo com LF3000 User Manual 9 Figure 3 3 3 LF3000 100 500sccm meter dimensions Figure 3 3 4 LF3000 100 500sccm sensor dimensions...
Страница 11: ...ubing should be carefully checked for its integrity and cleanness There must be no particles dirt greases or other foreign materials inside the tubing The connectors should also be free of any physica...
Страница 12: ...alled Tubing Each 1 4 28 Flat Bottom Male Tefzel ETFE for 1 8 ID 2 IDEX HS D 648 Swivel Barb Adapter for use with Soft Walled Tubing Polypropylene Each For 1 8 ID 3 IDEX HS XP 305 Flangeless Fitting D...
Страница 13: ...sults in erroneous data The fluid to be measured must also be consistent with that specified by the product Be particularly cautious about the supplied voltage indicated in the specification A higher...
Страница 14: ...nals with different colors refer to the above table for the connection information the same as Table 3 2 Take special care connect ONLY the power to the BROWN power cord wire and ensure the power supp...
Страница 15: ...alog output Unlike most traditional thermal flow meters the current product does not require a warm up time However for the best performance wait for the electronics to get stable for a few seconds Th...
Страница 16: ...ed evaluation software for simple operation and measurement tasks Please contact the manufacturer for detailed information For the default I2C digital interface one can connect the SCL Yellow clock an...
Страница 17: ...www Siargo com LF3000 User Manual 16 5 6 1 I2 C communication protocol 5 6 1 1 I2 C interface connection diagram 5 6 1 2 I2 C interface read write sequences...
Страница 18: ...C 65536 Value 0x003D Value 0x003E 1000 0x00F0 1 Reset the offset of differential pressure Write Fixed value 0xAA55 0x00F2 1 Reset accumulated or totalized flow rate Write Fixed value 0x0001 0x00FF 1 W...
Страница 19: ...n parameter configuration 5 6 2 1 Hardware connection The hardware layer is TIA EIA 485 A as illustrated below In this configuration the product LF3000 is a slave 5 6 2 2 Communication parameters The...
Страница 20: ...ction codes applied for the product are the sub class of the standard Modbus function codes These codes are used to set or read the registers of the product Code Name Functions 0x03 Read register Read...
Страница 21: ...ion before executing the command The detailed information of each register is described below Y enabled N disabled Flowmeter address 0x0081 Write Y Read Y Description Address of the product Value type...
Страница 22: ...the flow channel Notes please disable the write protection before executing this command Reset accumulated flow rate 0x00F2 Write Y Read N Description Reset the accumulated or totalized flow rate valu...
Страница 23: ...range Notes 02 2 200 L min Expected release Q1 2023 05 10 500 L min Limited availability 5 0 05 5 mL min 50 0 5 50 mL min 100 1 100 mL min 200 2 200 mL min 500 5 500 mL min For example LF3000 M50 U B...
Страница 24: ...s programmable msec Working temperature 5 50 C Temperature effects 0 02 C Working pressure 0 8 MPa Maximum pressure 1 0 MPa Dead volume 7 0 L Power supply 8 24 Vdc Electrical interface I2C 0 5 4 5 Vdc...
Страница 25: ...flow where the tiny channel makes it difficult for other flow measurement techniques to register the data Please refer to the company s US patents and other publications made available to the public f...
Страница 26: ...off the product and dry the system with a clean gas before reuse 8 2 5 Measurement of non conventional fluid By default the product is calibrated with de ionized water if other fluid is to be measured...
Страница 27: ...lary force It plays a more important role than the Reynold number The product has been uniquely designed to handle the surface tension variation in the flow channel However for the verification proces...
Страница 28: ...er regulator failure Return to factory Sensor failure Return to factory Large errors or unexpected flowrate Bubbles clogging fluid type Check the system dry and flush Erroneous or large noise Vibratio...
Страница 29: ...ion etc other consequential or indirect damages of any kind To the extent permitted by law the exclusive remedy of the user or purchaser and the limit of Siargo s liability for any and all losses inju...
Страница 30: ...smantled for whatever reasons 4 Products that have been subject to working conditions beyond the technical specification as described by this manual or related datasheet published by the manufacturer...
Страница 31: ...g Germany Phone 49 6221 7509777 Email info identic de For orders please provide an accurate and complete postal address Identic will not ship to P O Boxes or via a third party Please contact info iden...
Страница 32: ...with the I2C interface in serial For further information and the purchase of the evaluation kit please contact the manufacturer or the sales representative Each converter has a fixed cable directly co...
Страница 33: ...www Siargo com LF3000 User Manual 32 Appendix II Document history Revision A 0 October 2022 First release...
