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Getting Started

Plumbing

Process Ports

Your CODA KM-Series Coriolis mass flow meter has been shipped with ¼″ 

VCR®-compatible male process connections. Use in-line filters to prevent 

large particulates from entering the device. The suggested maximum 

particulate size is 20 microns for meters.

 !

 Warning: 

Do not use pipe dopes or sealants on the process 

connections, as these compounds can cause permanent 

damage to the meter should they get into the flow stream.

Maximum Pressure

The table below provides proof and burst pressures for each device range. 

Operating the device above the proof pressure can permanently damage 

the device. Operating above the burst pressure for even short periods 

will result in the device rupturing.
High Pressure variants of KM meters are available. Please consult the 

calibration sheet on a per device basis to confirm the maximum operating 

pressures.  

Operating Range

Proof Pressure

Burst Pressure

 

100 g/h

1500 PSI

4500 PSI

 

1000 g/h

1500 PSI

4500 PSI

 

10000 g/h

1000 PSI

3000 PSI

 !

 Warning: 

Devices exposed to pressures above the listed 

burst pressure, even for short periods, may leak or fail 

catastrophically, injuring persons or equipment. 

Connecting Plumbing

Ensure that flow through your meter is in the same direction as the arrow 

on the flow body (usually left to right). 

Summary of Contents for Alicat Scientific CORIOLIS CODA KM Series

Page 1: ...OPERATING MANUAL CODA SERIES CORIOLIS MASS FLOW METER Model KM...

Page 2: ...Hong Cao Rd Shanghai 200233 PRC 86 21 60407398 ext 801 Europe europe alicat com Geograaf 24 6921 EW Duiven The Netherlands 31 0 26 203 1651 This device comes with a NIST traceable calibration certific...

Page 3: ...ion 9 Analog Communication 9 Analog Output Electrical Characteristics 9 Analog I O Data Ranges 10 Serial Communication 10 Establishing Communication 10 Multidrop Information 11 Modbus RTU Serial Proto...

Page 4: ...ounting holes on the bottom for convenient attachment to flat panels No straight runs of pipe are required upstream or downstream These devices are position insensitive and can be mounted in any orien...

Page 5: ...ODA Series Coriolis mass flow meter operating manual 5 1 4 VCR Inlet Male DB 15 Connector Tare Button LED Power Indicator USB Type C 1 4 VCR Outlet 1 024 0 207 1 731 0 914 Mounting Holes 2 M5 0 8 10mm...

Page 6: ...Operating the device above the proof pressure can permanently damage the device Operating above the burst pressure for even short periods will result in the device rupturing High Pressure variants of...

Page 7: ...ed 0 5 Vdc output of mass flow rate Optional 0 10 Vdc or 4 20 mA 2 Not connected Power in 3 0 5 Vdc output of mass flow rate Optional 0 10 Vdc or 4 20 mA Serial RS 232 RxD Optional RS 485 A 4 0 5 Vdc...

Page 8: ...onds to initiate the 10 second taring process page 7 Tare via Serial CODA KM Series meter can be tared by pushing the Zero Device button in Alicat s CODA View program page 15 Once this button is press...

Page 9: ...ave a single analog output for mass flow page 7 Both of these outputs are linear across the entire range provided the load impedance is within the nominal values specified in the table below Analog Ou...

Page 10: ...gital serial interface in addition to the analog interface Modbus RTU is the default communications protocol for KM Series meters You can read and log sensor data and adjust device settings via these...

Page 11: ...municating on that network This includes other Alicat M Series L Series and P Series devices Modbus RTU Serial Protocol Alicat uses the Modbus standard in which registers are offset by 1 from addresse...

Page 12: ...d and control requests to a CODA instrument are issued with Modbus function code FC16 write multiple registers For PID tuning assistance please contact Alicat Modbus Reading and Status Registers Note...

Page 13: ...air is issued as a set of two 16 bit unsigned integers Commands are started by a write to register 1000 If you send a command to register 1000 without sending an argument to 1001 the CODA instrument w...

Page 14: ...zer 5 Reset totalizer value 0 Pause totalizer 1 Resume totalizer 15 Pause totalizer Requires a power cycle to take effect 1 247 New ID 32767 Change Modbus ID Requires a power cycle to take effect 9600...

Page 15: ...ng the CODA View program select the COM port your device is connected to in the top left corner and click Connect If connecting via the USB C connection on the CODA instrument please ensure that the c...

Page 16: ...an effort to remove all of the liquid from the device as deposits of calcium or other soluble minerals can affect the accuracy of the device Recalibration CODA instruments are calibrated to NIST trac...

Page 17: ...s covered by this warranty Alicat Scientific does not recommend warrant or assume responsibility for the use of the Products in life support applications or systems Alicat s warranties as herein above...

Page 18: ...Ltd Plot NO A 147 Road No 24 Next to Spraytech Circle opp Metropolitan Company Wagle Industrial Estate Thane West Mah r shtra 400 604 1 888 290 6060 China SE Asia info cn alicat com alicat com cn 2nd...

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