Hydronic Manometer Model HM675 Owner`s Manual
Contents
1. Corrective Action Press On OFF key Replace or recharge the batteries Clean the battery contacts Plug in AC adapter i flashing on display Low battery charge Dirty battery contacts Replace or recharge the batteries Clean the battery contacts 8888 flashing on display The indicated measurement is out of range The allowable ranges for pressure and temperature measurements are shown on the specifications page The temperature sensor is Try one of the below two steps on display unplugged 1 Plug in temperature probe 2 Return the pressure measurement to The pressure measurement is the correct range out of the meter s range Instrument Hoses are clogged Make sure hoses and flow restrictors are unresponsive to unclogged from any debris by following pressure instructions on Cleaning the In line Flow Restrictors Error Message Saved Pressure Zero The following table lists error messages which can be displayed should the instrument detect a problem Should any of these error messages recur repeatedly the instrument should be returned to the factory for servicing Possible Causes amp Corrective Action There was a problem with a pressure zero reading read from memory Differential pressure and gauge pressure should both be re zeroed Hydronic Manometer Model HM675 Technical Contacts e If you have any difficulty installing the Hydronic Man2. Notes e The time constant is the sampling period over which the manometer averages pressure measurements Example with the time constant equal to 10 seconds the displayed reading represents the average of measurements taken over the previous 10 seconds e Increasing the time constant will serve to improve measurement stability particularly when measuring systems with fluctuating pressures CONTRAST A Press the CONTRAST A key to increase the display contrast CONTRAST v Press the CONTRAST V key to decrease the display contrast 0 Press the U key to turn the HM675 Hydronic Manometer on or off ha aa Press the BACKLIGHT key to turn the display s backlighting on or off Note Backlighting has a significant impact on battery life Use backlighting only when working in areas where you cannot read the display with existing light Powering the Instrument 2 2 The HM675 Hydronic Manometer can be powered by four 4 AA size batteries alkaline or rechargeable NiMH or the AC adapter Using the AC Adapter The AC adapter allows the HM675 Hydronic Manometer to be powered from a standard AC wall outlet When using the AC adapter alkaline batteries if installed will be bypassed The AC adapter also charges the NiMH type batteries if installed in the unit Note With the battery type selection switch set to NiMH the manometer will initiate charging the batteries whenever the AC
3. F 0 1 Pressure us 1 of reading or 072 psi 0 5 kPa whichever is greater Temperature sosnrnnrnrorsrne 0 5 F 0 3 C from 32 to 160 F 0 to 71 C max 2 0 F 1 2 C from 40 to 32 F 40 to 0 C and from 160 to 250 F 71 to 121 C Pressure utartet psi in H2O ft HZO kPa mm Hg in Hg m HO bar Temperature mmonovovororerernn degrees F degrees C Time Constant 05 user selectable 1 5 10 20 and 30 seconds Display orrrrrrrrrnrrnnnnrnnrnrnnrnr LCD with backlight Operating Electronics 40 to 113 F 5 to 45 C Stora JE paa enaa eiaa innia 4 to 140 F 20 to 60 C Relative humidity 0 up to 95 RH non condensing Dimensions meter only 11 1 in x 4 7 in x 3 5 in 28 2 cm x 11 9 cm x 8 8 cm Pressure Connection 37 Flare Fitting Male Weight with Batteries 2 65 Ib 1 20 kg Power Requirements four AA size cells alkaline or rechargeable NiMH included or AC adapter included 9 VDG 2 A regulated Battery Life monrorrvrrrrriri00e minimum of 12 hours with backlight on minimum of 18 hours with backlight off A 1 Recharge Time 6 4 hours internal charger Warranty ssuostotadansme 2 year factory warranty TAccuracy statement applies from 0 to 250 psi 0 to 1724 kPa The minimum battery life state
4. Identification and calibration labels are attached to the outside of the hydronic manometer housing 1 Serial number label on hell hp a e back panel Teen 12V 1 2A OGO po C 500 Cardigan Road Shoreview MN 55126 USA Made In USA 2 Calibration label ge back panel DATE MARCH 2013 www tsi com Customer Service 1 800 874 2811 Outside US 001 651 490 2811 3 European symbol for non disposable item Item must be recycled men Description of Caution Warning Symbols Appropriate caution warning statements are used throughout the manual and on the instrument that require you to take cautionary measures when working with the instrument Caution Failure to follow the procedures prescribed in this manual might result in irreparable equipment damage Important information about the operation and maintenance of this instrument is included in this manual Warning Warning means that unsafe use of the instrument could result in serious injury to you or cause damage to the instrument Follow the procedures prescribed Caution or Warning Symbols The following symbols may accompany cautions and warnings to indicate the nature and consequences of hazards Warns that uninsulated voltage within the instrument may have sufficient magnitude to cause electric shock Therefore it is dangerous to make contact with any part inside the instrument Warns th
5. cceccceceeeeeeeeeeeeeeeseeeeeseeeeeaeeeeeeeees 0 iii Safety Information xsutsikssriisi sue einne taiea e eean 0 v PFAbeS rereecortre eter recone ccm rarer otic E ec rer coer crc 0 v Description of Caution Warning Symbols rrrrannvnnonvvnrnrrennnrnnnnnnnrnnr 0 vi Gauto smaa tardisen 0 vi Warning icv ieee ite eee ee eee 0 vi Caution or Warning Symbols rrrnanvvnnorvvennrrnnnnvnnrnrenrrrrennnrnnsnnnernnn 0 vi CHAPTER 1 Introduction rnssvrnnnvvnnnnvnnnnnnnnnvvnnnnvnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnennn 1 1 Instrument Description ererrnnnnnnrrnnnnvnnnnnnnvnvnnnnnvnnnnannnnnnnnnnnnnennnnnnnnn 1 2 Dieja Tn e MAIE A aint ated Teak oie tote alters 1 3 CHAPTER 2 Instrument Operation nnnnrnnnvvnnnnvnnnnnvnnnnvnnnnvennnnnnnnnnnnnnvennn 2 1 Keypad auf arr Telly at teeta 2 1 Powering the Instrument rerannvrnnnnnnvovnnnnnvrnnnnnnrrnnnnnsrrnnnennrrnnnsnnrrnnenn 2 2 Using the AC Adapter annet a araa aaraa enaa aaaea aikaan 2 2 Battery Installation ea n E a A A NER EE 2 3 Battery Charging ssnrnnnnvnnannvnnannvnnonronnnranannrnnennennnrrnsnnrnnsnnnensnnenennn 2 4 Zeroing the Manometel 0 cccceeececeeeeeceeeeeeeeeeeeeeeseeeeesaeeeeaeeeeeeeeeas 2 6 Zeroing the Gauge Pressure SENSOM cccceeeseeeeeeeeeseeeeneeeeeeees 2 6 Zeroing the Differential Pressure Sensor seese 2 6 Connecting the Manometer to the Test Points ccccccssseeeeees 2 7 Attaching the Hoses to the Manometer rerrnvrvnnnnnvvvn
6. are to be made it is not necessary to proceed to step 4 and drain the fluid entrained within the hoses at this time The fluid remaining within the hoses will help minimize the time necessary to bleed entrained air prior to making subsequent measurements 4 Place the open end of the Low pressure blue hose in a suitable receptacle or near a drain Hydronic Manometer Model HM675 Turn the valve handle on the manometer to the BYPASS position 6 Turn the shut off ball valve on the Low pressure blue hose to the open position to discharge the pressurized fluid out of the open end of the Low pressure blue hose 7 Elevate the High pressure red hose and turn its shut off ball valve to the open position to allow for draining of the remaining entrained fluid Instrument Operation 2 11 This page intentionally left blank Hydronic Manometer Model HM675 CHAPTER 3 Maintenance and Troubleshooting The HM675 Hydronic Manometer has been designed to provide long term field use with minimum required maintenance As with any precision electronic device however proper care maintenance and handling will further ensure its accurate and reliable operation There are no user serviceable parts inside this instrument Opening the instrument case may void the warranty TSI recommends that you return the HM675 Hydronic Manometer to the factory for any required maintenance or service not described in this manual Routin
7. has completed Notes e Zeroing the gauge pressure sensor requires the user to disconnect the High pressure red hose as such it is often most convenient to zero the gauge pressure sensor as part of the start up sequence i e before hoses have been connected e The zero offset of the gauge pressure sensor is sensitive to temperature changes If moving the manometer between areas of extreme temperature difference it is best to allow the meter to settle to the new temperature prior to zeroing Zeroing the Differential Pressure Sensor To ensure the most accurate differential pressure dP measurements the HM675 differential pressure sensor should be zeroed prior to taking readings on each new system The differential pressure sensor is zeroed as follows 1 Go to the Measurement Screen 2 Turn the valve handle on the manometer to the BYPASS position 3 The instrument will automatically zero the differential pressure sensor Follow the on screen instructions and return the knob to MEASURE once this is done 2 6 Hydronic Manometer Model HM675 Notes Any pressures applied to the hoses will not affect the dP zeroing function This feature allows for successful zeroing of the differential pressure sensor while maintaining connections to the system under test Zeroing of the differential pressure sensor is initiated any time the valve handle has been turned to the BYPASS position with the meter turned on Thi
8. the sampling period as defined by the current time constant setting The display is updated once per second Discrete Pressure Measurements Taking a discrete pressure measurement allows for measurement and display of a single time averaged reading taken over the sampling period as defined by the current time constant setting Discrete pressure measurement values are displayed on screen for a period of 10 seconds and then returns to continuous measurement mode 1 Press the READ key 2 Allow the manometer to stand undisturbed until the reading is complete time of completion dependent on the time constant setting Performing Temperature Measurements The accessory temperature probe is an optional tool for the HM675 Hydronic Manometer The 1 8 diameter stainless steel sheathed immersion probe is designed for measurement of water line temperatures When using the accessory temperature probe the HM675 Hydronic Manometer is equipped to make and display either discrete or continuous temperature measurements Two temperature probes can be connected to the instrument to measure upstream and downstream temperature simultaneously Connecting the Temperature Probe Connect the keyed 3 pin plug of the accessory temperature probe to the mating connector located on the right hand side of the manometer Instrument Operation 2 9 Notes A locking nut is provided on the accessory temperature probe plug to allow for a more secure a
9. HYDRONIG MANOMETER MODEL HM675 OWNER S MANUAL P N 6006821 REVISION A MAY 20 START SEEING THE Peker GI REGISTERING TODAY Thank you for your TSI instrument purchase Occasionally TSI releases information on software updates product enhancements and new products By registering your instrument TSI will be able to send this important information to you http register tsi com As part of the registration process you will be asked for your comments on TSI products and services TSI s customer feedback program gives customers like you a way to tell us how we are doing TSE UNDERSTANDING ACCELERATED TSI Incorporated Visit our website www tsi com for more information USA Tel 1 800 874 2811 India Tel 91 80 67877200 UK Tel 44 149 4 459200 China Tel 86 10 8219 7688 France Tel 33 491118764 Singapore Tel 65 6595 6388 Germany Tel 49 241523030 2013 TSI Incorporated Printed in U S A HYDRONIC MANOMETER MODEL HM675 SHIP TO MAIL TO TSI Incorporated 500 Cardigan Road Shoreview MN 55126 3996 USA U S Technical Support 800 874 2811 651 490 2811 Fax 651 490 3824 9001 2008 HEGE OWNER S MANUAL P N 6006821 REVISION A MAY 2013 E mail address answers tsi com Website http www tsi com INTERNATIONAL Technical Support 001 651 490 2811 Fax 001 651 490 3824 Manual History The following is a manual history of the Hydronic Manometer Model HM675 Owner
10. Instrument Operation 2 3 Do not use Lithium batteries in this instrument Fire explosions or other hazards may result Never use Alkaline and NiMH batteries together on the same instrument Always make certain that the battery switch is in the correct position for the type of battery being used Alkaline NiMH Failure to do so may result in Fire Explosions or other hazard 6 Reinstall the battery holder Ensure the battery holder orientation is such that its terminals make contact with the spring contacts within the battery compartment 7 Replace the battery compartment cover Notes e The NiMH batteries included with the instrument may require recharging prior to first use e Fully charged batteries should enable the instrument to operate for a period of at least twelve 12 hours e Setting the battery type selection switch properly will prevent unwanted charging of non rechargeable alkaline batteries and provide charging of NiMH batteries when the AC adapter is connected e A battery charge life remaining indicator is shown on the display whenever the manometer is powered by batteries and turned on e When using NiMH batteries the indicator of battery charge life remaining will not be accurate due to their inherent non linear voltage drop with power use e Due to the danger of battery leakage remove batteries from the battery compartment prior to storage e Never mix battery types e For maximum battery life en
11. ND THE PURCHASE PRICE OF THE SOFTWARE IN NO EVENT SHALL SELLER BE LIABLE FOR LOST PROFITS OR ANY SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES SELLER SHALL NOT BE RESPONSIBLE FOR INSTALLATION DISMANTLING OR REINSTALLATION Trademarks COSTS OR CHARGES No Action regardless of form may be brought against Seller more than 12 months after a cause of action has accrued The goods returned under warranty to Seller s factory shall be at Buyer s risk of loss and will be returned if at all at Seller s risk of loss Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY AND LIABILITY which contains the complete and exclusive limited warranty of Seller This LIMITATION OF WARRANTY AND LIABILITY may not be amended modified or its terms waived except by writing signed by an Officer of Seller CompuDat is a trademark of TSI Incorporated TSI and the TSI logo are registered trademark of TSI Incorporated Microsoft Excel Windows and Vista are registered trademarks of Microsoft Corporation Hydronic Manometer Model HM675 Contents Manual History srennnnnnvnnnnnnnvnnnnnnnvnnnnnnnvnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnne 0 ii VWarranty sornas airna aani AIA EAEE AAAA NAA 0 iii About This Manual erernnonnvennnnnnvennnnnnvnnnnnnnvnnnnnnnnennnnnnnnnnnnnnnennnnnnnennnnnnnenr 0 iii Formatting and Typography 00 ec ececeeeeeeeeeeeeeeeeeenaeeeseeaeeeeeeaeeeeseaaes 0 ili Technical Assistance Help
12. Turn the shut off ball valve on both the High and Low pressure hoses to the open position Turn the valve handle on the manometer to the BYPASS position to allow the liquid flow to displace the entrained air Instrument Operation 2 7 Note Zeroing of the differential pressure sensor is initiated any time the valve handle has been turned to the BYPASS position with the meter turned on This feature allows for successful zeroing of the differential pressure sensor while entrained air is being purged from the hoses 8 Once the liquid is flowing steadily from the Low pressure blue hose turn the valve handle on the manometer to the MEASURE position Note The time to fully prime the hose with fluid may take up to one minute depending on the line pressure Higher line pressure will reduce the bleed time Attaching the Hoses to the Test Points 1 As indicated above use an appropriate fitting to connect the open end of the High pressure red hose to the test point with the higher line pressure 2 Using an appropriate fitting connect the open end of the Low pressure blue hose to the test point with the lower line pressure Note If the hoses are connected in the inverse orientation i e High pressure red hose to the lower line pressure the displayed High side gauge pressure High P will be less than the Low side gauge pressure Low P and the Differential pressure dP will be negative P
13. able the instrument to operate for a period of at least twelve 12 hours e The manometer remains fully operational while charging batteries e Never attempt to charge battery types other than AA size rechargeable NiMH e For maximum battery life ensure the backlight is off when not needed e Never mix battery types e NiMH batteries should only be charged at room temperature Starting with batteries that are too cold or too warm can cause the charge cycle to terminate early Instrument Operation 2 5 Zeroing the Manometer The HM675 Hydronic Manometer is equipped with both a gauge and differential pressure sensor allowing for simultaneous measurement and display of High side gauge and Differential pressure The gauge and differential pressure sensors are zeroed independently of one another Zeroing the Gauge Pressure Sensor To ensure the most accurate gauge pressure High P measurements the HM675 gauge pressure sensor should be zeroed prior to taking readings on each new system The gauge pressure sensor is zeroed as follows 1 Disconnect the High pressure red hose from the manometer such that the High pressure port is open to atmosphere Turn the valve handle on the manometer to the MEASURE position Press the ZERO GAUGE key Follow on screen instruction to zero the gauge pressure sensor 4 Allow the manometer to stand undisturbed for five 5 seconds until the zero gauge pressure sensor function
14. adapter is connected Hydronic Manometer Model HM675 Only use TSI P N 6004983 the AC adapter supplied with the instrument when powering the HM675 Hydronic Manometer externally Do not connect the AC adapter or car adapter provided with the battery optional charger 801093 or any other AC adapter to the HM675 685 Using any other power cable or power supply may cause damage to the device and void the warranty Never charge non rechargeable batteries by setting battery type selection switch to NiMH with alkaline or other non rechargeable batteries Fire explosions or other hazards may result Never plug into the instrument any power supply other than the one provided with the instrument Battery Installation To install replace the batteries 1 Turn the manometer off and locate the battery cover on the back of the unit Loosen the screw on the battery compartment cover and lift to remove Remove the battery holder Tapping the backside of the meter against your hand may assist in removing the battery holder 4 Remove the old batteries and replace with fresh batteries alkaline or rechargeable NiMH Ensure that the batteries are correctly oriented within the battery holder 5 Set the battery type selection switch to indicate the type of batteries to be used alkaline or rechargeable NiMH Battery Type Selection Switch Figure 2 1 Location of Battery Type Selection Switch
15. arge of pressurized water or air posing a potential risk of serious personal injury Exercise caution when disconnecting the HM675 Hydronic Manometer from a pressurized system Water or air discharged under pressure poses a potential risk of severe injury Exercise caution in using the HM675 Hydronic Manometer near electrical equipment Water spray associated with purging or disconnecting hoses presents a potential risk of damage to such equipment Thoroughly drain and dry the HM675 Hydronic Manometer hoses and internal piping after each use This will help in limiting the potential for growth of hazardous microorganisms Never plug into the instrument any power supply other than the one provided with the instrument Always make certain that the battery switch is in the correct position for the type of battery being used Alkaline NiMH Failure to do so may result in Fire Explosions or other hazard vii Never use Alkaline and NiMH batteries together on the same instrument Always use the hoses with the provided Flow Restrictor connected in line with the shut off valves to prevent Water Hammer Water Hammer is a fast moving shock wave of pressure caused by sudden changes in the system such as a valve being opened or closed or a pump being turned on or off viii Hydronic Manometer Model HM675 CHAPTER 1 Introduction The HM675 Hydronic Manometer is an easy to use instrument designed for the accurate measurement of pr
16. at the instrument is susceptible to electro static dissipation ESD and ESD protection procedures should be followed to avoid damage Indicates the connector is connected to earth ground and cabinet ground Never use the HM675 Hydronic Manometer or accessories on potable water systems or other systems which may be used to convey fluids for human or animal consumption Never charge non rechargeable batteries by setting battery type selection switch to NiMH when using alkaline or other non rechargeable batteries Fire explosions or other hazards may result vi Hydronic Manometer Model HM675 gt P gt P P gt gt gt P p Never use the HM675 Hydronic Manometer to measure the pressure of volatile flammable or otherwise hazardous fluids or gasses The instrument is not designed to be intrinsically safe nor is it designed for use with caustic or corrosive chemicals Never connect the HM675 Hydronic Manometer or accessories to systems which exceed the instrument s maximum pressure specification 300 psi 2068 kPa Observe proper safety precautions and wear appropriate personal protective equipment including gloves and eyewear when working on high pressure or high temperature systems Ruptured or leaking lines pose a potential risk of serious personal injury When using the HM675 Hydronic Manometer verify all hose connections are secure prior to taking pressure measurements Loose connections may result in the disch
17. d will occur after the NiMH batteries have been recharged 2 to 3 times after initial charge Hydronic Manometer Model HM675 APPENDIX B Compliance CE Marking EN61326 EN 55011 Class B Radiated Emissions EN61326 EN 55011 Class B Conducted Emissions EN61000 4 2 EN61000 4 3 EN61000 4 4 EN61000 4 5 EN61000 4 6 EN61000 4 8 Electrostatic Discharge Immunity Electromagnetic Field Immunity Burst Immunity Surge Immunity Conducted PS Immunity Rated Power Frequency Field Immunity EN61000 4 11 Voltage Dips Short Interruptions Immunity RoHS Marking Yes B 1 B 2 This page intentionally left blank Hydronic Manometer Model HM675 TSE UNDERSTANDING ACCELERATED TSI Incorporated Visit our website www tsi com for more information USA Tel 1 800 874 2811 India Tel 91 80 67877200 UK Tel 44 149 4 459200 China Tel 86 10 8219 7688 France Tel 33 4 91 11 87 64 Singapore Tel 65 6595 6388 Germany Tel 49 241 523030 P N 6006821 Rev A 02013 TSI Incorporated Printed in U S A
18. e Maintenance The following guidelines should be followed whenever storing the HM675 Hydronic Manometer Draining the Hoses Fluid within the High red and Low blue pressure hoses should be properly drained whenever the instrument is being stored after use 1 Disconnect the manometer hoses from the test points Reference Chapter 2 Disconnecting the Manometer from the Test Points 2 Disconnect the High red and Low blue pressure hoses from the manometer 3 Turn the shut off ball valve on both the High and Low pressure hoses to the open position 4 Using a suitable high pressure air source blow the entrained liquid from both hoses Draining the Manometer Valve Fluid within the manometer valve should be properly drained whenever the instrument is being stored after use 1 Disconnect the High red and Low blue pressure hoses from the manometer Turn the valve handle on the manometer to the BYPASS position Hold the manometer with the pressure ports directed downward to allow liquid to drain from the unit 3 1 4 Turn the valve handle on the manometer to the MEASURE position 5 Hold the manometer with the pressure ports directed downward to allow liquid to drain from the unit Note The HM675 Hydronic Manometer should be stored with the valve handle in the MEASURE position In Line Flow Restrictor The blue and red hose assemblies include flow restrictors The flow restrictors must be u
19. erforming Pressure Measurements 2 8 The HM675 Hydronic Manometer allows for simultaneous measurement and display of the High side gauge and Differential pressure The calculated Low side gauge pressure is also displayed The manometer is equipped to make and display either discrete or continuous pressure measurements Pressure Measurement Screen Time Constant 5 Seconds F Battery Status Differential 0 0 0 Pressure i ft H20 dP High Side _ 0 00 ft H20 High Pressure 0 00 ft H20 Low Low Side RE 70 0 F Probe Pressure p 70 0 F Probe2 Shown with two optional accessory temperature probes attached Hydronic Manometer Model HM675 High Side Gauge Pressure The High side gauge pressure measurement is indicated as High on the manometer display Low Side Gauge Pressure The Low side gauge pressure reading is indicated as Low on the manometer display It represents a calculated value determined from the measured High side gauge and Differential pressure as follows Low P High P dP Differential Pressure The Differential pressure measurement is indicated as dP on the manometer display Continuous Measurements The HM675 Hydronic Manometer continuously measures and displays pressure readings whenever the manometer is turned on with the exception of when the READ key is pressed When the READ key is pressed the displayed readings are averaged measurements taken over
20. essure in non potable water and air systems Features of the manometer include the following Single function keys for ease of use Simultaneous measurement and display of High side gauge and Differential pressure Calculation and display of Low side gauge pressure User selectable units of measure User selectable time constant Easy to read LCD with backlight Power input via AC adapter or batteries alkaline or rechargeable NiMH Internal NiMH battery charging Automatic power shutoff Splash proof case Rugged carrying case for storage of meter hoses accessories tools and paperwork 1 1 Instrument Description The HM675 Hydronic Manometer includes e Meter e 2 Flare male x e AC adapter e Hard carrying case male NPT e 4 NiMH batteries 2 6 foot 1 8 m ongs neck strap hoses with shut off 2 Female 4 NPT e Owner s manual valves eee A a e NIST traceable e 2 P T gauge rer certificate adapter probes e 2 B amp G readout probes 2 Female NPT to Male ISO Tapered Pipe Threads An accessory temperature probe is available as an optional tool for the HM675 Hydronic Manometer The diameter stainless steel sheathed immersion probe is designed for measurement of water line temperatures Keypad Valve Handle LCD Display Neck Hanging Strap Clips Bottom Port Cover P EINE Ports JE Eh AG Power Temperature Probe Temperature Probe Adapter USB Port for P
21. fuses batteries or other consumable materials Only the original manufacturer s warranty applies e Unless specifically authorized in a separate writing by Seller Seller makes no warranty with respect to and shall have no liability in connection with goods which are incorporated into other products or equipment or which are modified by any person other than Seller The foregoing is IN LIEU OF all other warranties and is subject to the LIMITATIONS stated herein NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE WITH RESPECT TO SELLER S BREACH OF THE IMPLIED WARRANTY AGAINST INFRINGEMENT SAID WARRANTY IS LIMITED TO CLAIMS OF DIRECT INFRINGEMENT AND EXCLUDES CLAIMS OF CONTRIBUTORY OR INDUCED INFRINGEMENTS BUYER S EXCLUSIVE REMEDY SHALL BE THE RETURN OF THE PURCHASE PRICE DISCOUNTED FOR REASONABLE WEAR AND TEAR OR AT SELLER S OPTION REPLACEMENT OF THE GOODS WITH NON INFRINGING GOODS TO THE EXTENT PERMITTED BY LAW THE EXCLUSIVE REMEDY OF THE USER OR BUYER AND THE LIMIT OF SELLER S LIABILITY FOR ANY AND ALL LOSSES INJURIES OR DAMAGES CONCERNING THE GOODS INCLUDING CLAIMS BASED ON CONTRACT NEGLIGENCE TORT STRICT LIABILITY OR OTHERWISE SHALL BE THE RETURN OF GOODS TO SELLER AND THE REFUND OF THE PURCHASE PRICE OR AT THE OPTION OF SELLER THE REPAIR OR REPLACEMENT OF THE GOODS IN THE CASE OF SOFTWARE SELLER WILL REPAIR OR REPLACE DEFECTIVE SOFTWARE OR IF UNABLE TO DO SO WILL REFU
22. g based on the current setting of the time constant TC Upon taking the reading the values are displayed on screen for a period of ten 10 seconds UNITS GAUGE Pressing the UNITS GAUGE key allows for toggling through the available units for gauge pressure measurements High P and Low P The available units of measurement are psi inHzO ftHZO inHg kPa mH2O mmHg and bar UNITS AP Pressing the UNITS AP key allows for toggling through the available units for differential pressure measurements dP The available units of measurement are psi inH2O ftH2O0 inHg kPa mH O mmHg and bar Note When using the accessory temperature probe the unit of measurement for temperature F or C is driven by the selected unit of measurement for differential pressure e Differential pressure in psi inH2O ftH20 or inHg temperature in F e Differential pressure in kPa MH20 mmHg or bar temperature in C ZERO GAUGE Pressing the ZERO GAUGE key initiates zeroing of the gauge pressure sensor Note Proper zeroing of the gauge pressure sensor is achieved with the High pressure port open to atmosphere and the valve handle in the MEASURE position 2 1 TIME CONSTANT Pressing the TIME CONSTANT key allows for toggling through the available settings for the time constant TC as follows 1 5 10 20 and 30 seconds The current setting of the time constant is indicated on the display
23. he HM675 Hydronic Manometer receive an annual calibration TSI will verify calibration of the instrument and re issue a certificate of calibration with traceability to NIST This annual checkup helps to ensure the specified accuracy of the instrument is maintained To calibrate the instrument please ship TSI the complete package that includes the meter and accessory temperature probe Everything should be packed carefully within the carrying case and then inside a shipping box The original shipping box and packaging carton and foam is preferred Before returning the Hydronic Manometer to TSI for service visit our website at http rma tsi com or call TSI at 1 800 874 2811 USA or 001 651 490 2811 for specific return instructions Customer Service will need the following information when you call e The instrument model number e The instrument serial number e A purchase order number unless under warranty e A billing address e A shipping address continued on next page Maintenance and Troubleshooting 3 3 Troubleshooting 3 4 Symptom No display The following table lists the symptoms possible causes and recommended solutions for common problems encountered with the instrument If your symptom is not listed or if the recommended solutions do not address your problem please contact the factory Possible Causes Unit not turned on Low or dead batteries Dirty battery contacts AC adapter not connected
24. lGontacts eeaeee ices sete tiaths anra ebai APPENDIX A Specifications rrrnsvnnnnnvnnnnvrnnnvnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnner APPENDIX B Compliance ernnnvvnnnnvnnnnnvnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnner Hydronic Manometer Model HM675 About This Manual This manual explains how to set up operate and maintain the TSI Hydronic Manometer Model HM675 Please read it thoroughly before using the instrument Formatting and Typography e Step by step instructions are numbered 1 2 3 etc set flush left against the inside margin e References to keys on the manometer and the instrument s displayed readout are represented in bold typeface In addition to the different typeface displayed messages appear in quotes Technical Assistance Help For technical assistance or questions about the instrument or this manual or if the HM675 Hydronic Manometer needs repair or recalibration call Technical Support at 651 490 2811 or 800 874 2811 This page intentionally left blank Hydronic Manometer Model HM675 Safety Information This section gives instructions to promote safe and proper handling of the HM675 Hydronic Manometer There are no user serviceable parts inside the instrument Refer all repair and maintenance to a qualified factory authorized technician All maintenance and repair information in this manual is included for use by a qualified factory authorized technician Labels
25. nrnnrvrnrrrnrnnnenn 2 7 Bleeding the Entrained Air uarnnrrnnnonnvrnnnonnrnnnnrnnrrnnrnnnrnnnnrnnrnnsrnnnnnn 2 7 Attaching the Hoses to the Test Points renennrnnnnnrrrrnnnnnnrnnnnnrnnnnn 2 8 Performing Pressure Measurements ccs ceceeceeseeeeeeeeeeeeeteeeeees 2 8 Pressure Measurement Screen srurnnnnnnnrnnnnnnnnnnvnnnnrrnnnnrnnennnnrensen 2 8 Continuous MeasureMent cceecceceeeceeeeeeeeeeeceeeeeceaeeesaeeseeeeeeas 2 9 Discrete Pressure Measurement rnnnannvnnnnnnnvvnnnnnnnnrnnennnnnnnnnennnne 2 9 Performing Temperature Measurement cccccecceeeeseeeeeseeteeeeees 2 9 Connecting the Temperature Probe cccessceeeeeeeeeeeeeeseeeeeeeeeees 2 9 Disconnecting the Manometer from the Test Points 008 2 10 CHAPTER 3 Maintenance and Troubleshooting rnsevrnnavennnnvnnnnnnnnnvennn 3 1 Routine Maintenance ccceeeecceeeeeeece essence eeseneeeeeeeneeseeeeneeeeeeeneees 3 1 Draining the HOSES nerenin rui ie E E i 3 1 Draining the Manometer Valve rrnrnnrnnnnvnnnnnvnnonrnnnnrrennnrnnnnnnnrenrnnn 3 1 In Line Flow Restrictor rnnarnvvnnnnnnvvrnnnnnrvnnnnnnvvrnnnnnnnrnnsrsnnrnnsnennnne 3 2 Cleaning the In line Flow Restrictors urrrnnannvnnonvrnrnrrnnnnrnnnnvenennne 3 2 Cleaning the Instrument HOUSING rrennrrnennrrnnnnvnnenvnnnnrrennnrnnnnnenennne 3 2 Calibration ua ct dude aie el Be 3 3 Troubleshooting inii iieiaei vied ae aan ten dreie T chnica
26. ometer or if you have technical or application questions about this instrument contact an applications engineer at one of the locations listed below e If the Hydronic Manometer fails or if you are returning it for service visit our website at http service tsi com or contact TSI at TSI Incorporated 500 Cardigan Road Shoreview MN 55126 USA Phone 1 800 874 2811 USA or 1 651 490 2811 E mail technical service tsi com TSI GmbH Neuk llner Strasse 4 52068 Aachen GERMANY Telephone 49 241 52303 0 Fax 49 241 52303 49 E mail tsigmbhEtsi com Web www tsiinc de TSI Instruments Ltd Stirling Road Cressex Business Park High Wycombe Bucks HP12 3ST UNITED KINGDOM Telephone 44 0 149 4 459200 Fax 44 0 149 4 459700 E mail tsiuk tsi com Web www tsiinc co uk Maintenance and Troubleshooting 3 5 3 6 This page intentionally left blank Hydronic Manometer Model HM675 APPENDIX A Specifications Model HM675 Hydronic Manometer specifications are as follows specifications are subject to change without notice Differential Pressure 0 to 300 psi 0 to 2068 kPa Gauge Pressure asese 0 to 300 psi 0 to 2068 kPa Operating Temperature 40 to 100 F 4 to 38 C electronics Storage Temperature 0 to 140 F 18 to 60 C Temperature Probe 4 40 to 250 F 40 to 121 C Pressure best a nns 0 001 psi 0 01 kPa Temperature s es 0 1
27. ort 2 Port 1 Input Port factory calibration Figure 1 1 HM675 Meter Description 1 2 Hydronic Manometer Model HM675 Unpacking As you unpack the instrument and accessories check the components against your packing list If any parts are missing or damaged notify TSI immediately Tables 1 1 and 1 2 list available standard and optional components for the HM675 Hydronic Manometer Table 1 1 Standard Components Item Part No Carrying case 1319409 Blue and red hose kit with shut off valves and flow restrictor 6006813 P T gauge adapter probes 2 632360004 B amp G readout probes 2 632360010 AC adapter 6004983 AA size NiMH battery four required 1208048 Battery holder 1801206 Neck strap 2913011 Owner s manual 1980517 Pocket screw driver 3012054 Table 1 2 Optional Components Accessory fittings kit USA only HMFIT 4 in 10 cm long 0 125 in 3 175 mm dia Temperature probe 801290 External battery charger with 4 AA NiMH batteries USA only 801093 Please register your HM675 prompily through our website at http register tsi com Registration of your product allows us to notify you of product updates Introduction 1 3 This page intentionally left blank Hydronic Manometer Model HM675 CHAPTER 2 Instrument Operation Keypad Each key and its function are described below READ Pressing the READ key initiates taking a time averaged readin
28. s Manual P N 6006821 Revision Date A May 2013 Hydronic Manometer Model HM675 Part Number Copyright Address Fax No E mail Address Limitation of Warranty and Liability effective June 2011 Warranty 6006821 Revision A May 2013 OTSI Incorporated 2013 All rights reserved TSI Incorporated 500 Cardigan Road Shoreview MN 55126 USA 651 490 3824 answers tsi com For country specific terms and conditions outside of the USA please visit www tsi com Seller warrants the goods sold hereunder under normal use and service as described in the operator s manual shall be free from defects in workmanship and material for twenty four 24 months or if less the length of time specified in the operator s manual from the date of shipment to the customer This warranty period is inclusive of any statutory warranty This limited warranty is subject to the following exclusions and exceptions a Hot wire or hot film sensors used with research anemometers and certain other components when indicated in specifications are warranted for 90 days from the date of shipment b Pumps are warranted for one year or 3000 hours whichever comes first c Parts repaired or replaced as a result of repair services are warranted to be free from defects in workmanship and material under normal use for 90 days from the date of shipment d Seller does not provide any warranty on finished goods manufactured by others or on any
29. s feature allows for successful zeroing of the differential pressure sensor while entrained air is being purged from the hoses The zero offset of the differential pressure sensor is sensitive to temperature changes If moving the manometer between areas with extreme temperature difference it is best to allow the meter to settle to the new temperature prior to zeroing Connecting the Manometer to the Test Points Attaching the Hoses to the Manometer 1 2 Connect the straight female flare fitting on the High pressure red hose to the male fitting on the top of the manometer marked with a plus sign Connect the straight female flare fitting on the Low pressure blue hose to the male fitting on the top of the manometer marked with a minus sign Bleeding the Entrained Air To ensure the most accurate pressure measurements purge all entrained air within the hoses as follows 1 Turn the shut off ball valve on both the High and Low pressure hoses to the closed position Turn the valve handle on the manometer to the MEASURE position Using an appropriate fitting connect the open end of the High pressure red hose to the test point with the higher line pressure Attach the appropriate fitting to the open end of the Low pressure blue hose To ensure all the air is bled from the hoses hold the open end of the Low pressure blue hose in an upright position over a suitable receptacle or near a drain
30. sed to prevent damage to the pressure sensors from unexpected water hammering or pressure spikes and also acts as a filter Do not use the HM675 Hydronic Manometer without the flow restrictors installed in the hose assemblies or sensor damage or clogging will occur Short Hose Section Flow Restrictor See Shut Off Valve V Cleaning the In line Flow Restrictors These flow restrictors should be flushed periodically with clean water to minimize potential clogging 1 Disconnect the hose from the manometer 2 Turn the shut off ball valve on the hose to the closed position 3 Connect the straight female flare fitting farthest from the hose shut off valve on the hose to a suitable water source 4 Place the open end of the hose in a suitable receptacle or near a drain Turn the shut off ball valve on the hose to the open position and allow water to flush through for several minutes 6 Using a suitable high pressure air source blow the entrained water from the hose 7 Repeat with the second hose Note If necessary remove the flow restrictor for further cleaning or flushing Reattach to hose assembly when complete Cleaning the Instrument Housing The HM675 Hydronic Manometer may be cleaned using a soft damp clean cloth Note Do not use solvents or abrasive cleaners to clean the instrument housing keypad or display Hydronic Manometer Model HM675 Calibration TSI recommends that t
31. sure backlight is off when not needed Battery Charging Do not use Lithium batteries in this instrument Fire explosions or other hazards may result Never plug into the instrument any power supply other than the one provided with the instrument Hydronic Manometer Model HM675 Always make certain that the battery switch is in the correct position for the type of battery being used Alkaline NiMH Failure to do so may result in Fire Explosions or other hazard Never use Alkaline and NiMH batteries together on the same instrument The HM675 Hydronic Manometer allows for internal charging of AA size type NiMH only batteries Charging of the batteries is initiated as follows 1 Turn the manometer off and locate the battery cover on the back of the unit Loosen the screw on the battery compartment cover and lift to remove Remove the battery holder Tapping the backside of the meter against your hand may help in removing the battery holder Verify the batteries installed are rechargeable type NiMH Set the battery type selection switch to NiMH see Figure 2 1 6 Reinstall the battery holder Ensure the battery holder orientation is such that its terminals make contact with the spring contacts within the battery compartment 7 Replace the battery compartment cover Plug in the AC adapter Notes e Full charge of the batteries is achieved within four 4 hours e Fully charged batteries should en
32. ttachment when connecting to the manometer When using the accessory temperature probe the unit of measurement for temperature F or C is driven by the selected unit of measurement for differential pressure e Differential pressure in psi inHzO ftH2O or inHg temperature in F e Differential pressure in kPa mH2O mmHg or bar temperature in C Disconnecting the Manometer from the Test Points Exercise caution when disconnecting the HM675 Hydronic Manometer from a pressurized system Water or air discharged under pressure poses a potential risk of severe injury Exercise caution in using the HM675 Hydronic Manometer near electrical equipment Water spray associated with purging or disconnecting hoses presents a potential risk of damage to such equipment Thoroughly drain and dry the HM675 Hydronic Manometer hoses and internal piping after each use This will help in limiting the potential for growth of hazardous microorganisms The following provides a guideline for disconnecting the manometer from the test points once measurements have been completed 1 Turn the shut off ball valve on both the High and Low pressure hoses to the closed position 2 Disconnect the High pressure red hose from the higher line pressure test point 3 Disconnect the Low pressure blue hose from the lower line pressure test point Note If additional measurements at another location system containing the same fluid
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