HFM-401/405 - Teledyne Hastings Instruments

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2. Installation2. InstallationCAUTIONMany of the functions described in this section require removingthe enclosure front plate. Care must be taken when reinstallingthis plate to ensure that the sealing gasket is properly positionedand the fasteners are secure to maintain an IP65 compliant seal.2.1. Receiving InspectionYour instrument has been manufactured, calibrated, and carefully packed so it is ready for operation.However, please inspect all items for any obvious signs of damage due to shipment. Immediately adviseTeledyne Hastings and the carrier if any damage is suspected.Use the packing slip as a check list to ensure all parts are present (e.g. flow meter, power supply, cablesetc.) and that the options are correctly configured (output, range, gas, connector).If a return is necessary, obtain an RMA (Return Material Authorization) number from TeledyneHastings’ Customer Service Department at 1-800-950-2468 or hastings_instruments@teledyne.com.2.2. Environmental and Gas Requirements• Use the following guidelines prior to installing the flow meter:• Ensure that the temperature of all components and gas supply are between -20° and 70° C• Ensure that the gas line is free of debris and contamination• Ensure that the gas is dry and filtered (water and debris may clog the meter and/or affect itsperformance)• If corrosive gases are used, purge ambient (moist) air from the gas lines2.3. Mechanical ConnectionsThe meter can be mounted in any orientation unless using dense gases or pressures higher than 250 psigin which case a “flow horizontal” orientation is required. The meter’s measured flow direction isindicated by the arrow on the electronics enclosure.A straight run of tubing upstream or downstream is not necessary for proper operation of the meter. Theflow meter incorporates elements that pre-condition the flow profile before the measurement region. Sofor example, an elbow may be installed upstream from the flow meter entrance port without affectingthe flow performance.Compression fittings should be connected and secured according to recommended procedures for thatfitting. Two wrenches should be used when tightening fittings (as shown in the Quick Start Guide onpage iii) to avoid subjecting the flow meter body to undue torque and related stress.The fittings are not intended to support the weight of the meter. For mechanical structural support,four mounting holes (#1/4-20 thread, 3/8” depth) are located in the bottom of the meter. The positionof these holes is documented on the outline drawing in Appendix 3 (Section 6.3).Leak-check all fittings according to an established procedure appropriate for the facility.401-405 SERIES - 4 -
2.4. Mounting the Electronics RemotelyCAUTIONIn order to maintain the integrity of the Electrostatic Dischargeimmunity both parts of the remote mounted version of the HFM-I-400 instrument must be screwed to a well grounded structure.The ferrite that is shipped with the instrument must be installedon the cable next to the electronics enclosure.The electronics enclosure can be separatedand relocated up to 30 feet away from theflow meter base. This requires a cable whichis supplied with the instrument if ordered asa cable mounted unit. Alternatively, a 2, 5,or 10 meter cable can be purchasedseparately. See section 4.2 for orderinginformation and part numbers.When remote mounting the electronicsenclosure, the support bracket can remainattached to either the flow meter base or theelectronics. To separate the electronicsenclosure from the support bracket, removethe two screws located on the back of thesupport bracket. To separate the flow meterbase from the support bracket, remove thefour screws that mount the bracket to the topof the flow meter base. Unscrew theelectrical connector between electronics enclosure and the flow meter base. Remove the electronicsenclosure from the flow meter base. Connect the female endof the remote electronics cable to the flow meter base andthe male end to the electronics enclosure. The electronicsenclosure can be mounted remotely by using the twothreaded holes in the enclosure. The size and spacing ofthese two holes are specified on the outline drawing inAppendix 3 (Section 6.3). These holes may be used byinserting fasteners from behind through a new mountingbracket or they may be accessed from the front side bytemporarily removing the enclosure panel. This enablesmounting the enclosure to a wall or other solid structure.Alternatively, if the instrument was originally configured asa bracket mounted unit the bracket may be directlymounted to a support structure. The bracket mountingholes locations are the same as those for the flow meter basemounting. (See the outline drawing in Appendix 3, Section6.3.)2.5. Electrical ConnectionThere are two electrical connectors on the Hastings 400-ISeries flow meters—an analog terminal strip (locatedwithin the electronics enclosure) and a digital connector.The analog connector provides for the power supply tothe meter along with analog signals and functions. Assuch, its use is required for operation. The digitalconnector is used for communications in either of RS232,RS485, or Ethernet mode depending on the instrument’sFigure 2-1 Accessing the terminal stripTerminal Strip Pin-out(Pins numbered right to left asviewed from the front)1 - Power Supply2 + Power Supply3 - Flow Output4 + Flow Output5 + Auxiliary Input6 - Auxiliary Input7 No Connection8 Digital Common9 Remote Zero10 Alarm 111 Alarm 212 Alarm CommonFigure 2-2 Electricalconnections for analoginputs/outputs and powerconfiguration. The digital connector does not have to be used if the meter is operated as an analogonlyinstrument.401-405 SERIES - 5 -
Page 4 and 5: 401-405 SERIES - iv -
Page 6: CAUTIONThis instrument is available
Page 9 and 10: 1. General Information1. General In
Page 11: MechanicalFittings Standard: 1/2" S
Page 15 and 16: the range of 5-28 Vdc from a source
Page 17 and 18: 2.1.1.2. Voltage outputIf the flow
Page 19 and 20: Since the alarms act as switches th
Page 21 and 22: Example 2- Changing the active gas
Page 23 and 24: 3. Operation3. OperationThe Hasting
Page 25 and 26: 3.4.2. Adjusting ZeroThe pre-condit
Page 27 and 28: 3.7.1. Zero ShiftThe zero offset ca
Page 29 and 30: 4. Parts and Accessories4. Parts &
Page 31 and 32: 5. WARRANTY5. Warranty5.1. Warranty
Page 33 and 34: 6.2. Appendix 2 - Gas Conversion Fa
Page 35 and 36: 37 Cyclopropane C 3 H 6 0.4562 4 1.
Page 38 and 39: HFM-I-405Flow meter401-405 SERIES -

HFM-401/405 - Teledyne Hastings Instruments

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