TSI Instruments HM685 Owner'S Manual Download Page 51

Page: 51 / 93

Calculations Menu

5-5

Specific Heat

The specific heat of the system fluid.

Note:

The unit of measure for specific heat is driven by that
selected for heat flow as follows:



Heat flow in Btu/hr

→ specific heat in Btu/lb



°F



Heat flow in W or kW

→ specific heat in kJ/kg



°C

The default specific heat is that of water: 1.00 Btu/lb



°F

(4.19

kJ/kg



°C)

Specific Gravity

Summary of Contents for HM685

Page 1: ...HYDRONIC MANOMETER MODEL HM685 OWNER S MANUAL P N 6006820 REVISION D FEBRUARY 2016...

Page 2: ......

Page 3: ...Y 2016 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 E mail address answers tsi com Website http www t...

Page 4: ...nic Manometer Model HM685 Manual History The following is a manual history of the Hydronic Manometer Model HM685 Owner s Manual P N 6006820 Revision Date A May 2013 B January 2014 C June 2015 D Februa...

Page 5: ...warrants only that the instrument or product is properly calibrated at the time of its manufacture Instruments returned for calibration are not covered by this warranty f This warranty is VOID if the...

Page 6: ...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...

Page 7: ...4 Instrument Start up 2 5 Zeroing the Manometer 2 5 Zeroing the Gauge Pressure Sensor 2 5 Zeroing the Differential Pressure Sensor 2 6 Connecting the Manometer to the Test Points 2 7 Attaching the Hos...

Page 8: ...s to the Cv Kv Value 3 4 Select Fluid 3 5 CHAPTER 4 Data Logging 4 1 Menu 4 1 Log Mode 4 1 Log Settings 4 2 Choose Test 4 3 Name Test 4 3 View Data 4 4 Choose Test 4 4 View Stats 4 4 View Samples 4 4...

Page 9: ...shooting 8 1 Routine Maintenance 8 1 Draining the Hoses 8 1 Draining the Manometer Valve 8 1 In Line Flow Restrictor 8 2 Cleaning the In line Flow Restrictors 8 2 Cleaning the Instrument Housing 8 2 C...

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Page 11: ...set flush left against the inside margin References to keys on the manometer and the instrument s displayed readout are represented in bold typeface In addition to the different typeface displayed me...

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Page 13: ...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 fact...

Page 14: ...ny 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 d...

Page 15: ...the HM685 Hydronic Manometer from a pressurized system Water or air discharged under pressure poses a potential risk of severe injury Exercise caution in using the HM685 Hydronic Manometer near electr...

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Page 17: ...lation and display of Low side gauge pressure Direct calculation and display of flow Data logging with calculated statistics Output port for downloading stored data to a computer User selectable units...

Page 18: ...2 B G readout probes 2 Flare male male NPT fittings 2 Female NPT to Male ISO Parallel Pipe Threads 2 Female NPT to Male ISO Tapered Pipe Threads AC adapter 4 NiMH batteries Carrying strap Owner s manu...

Page 19: ...and flow restrictor 6006813 P T gauge adapter probes 2 632360004 B G readout probes 2 632360010 AC adapter 6004983 4 AA size NiMH battery 1208048 Battery holder 1801206 Carrying strap 2913011 Owner s...

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Page 21: ...to memory current Test ID and displayed on screen for a period of four 4 seconds or until the READ key has been pressed again The READ key also updates the calculations with current readings in the C...

Page 22: ...ar 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 N...

Page 23: ...other hazards may result C a u t i o n s 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 ba...

Page 24: ...life ensure backlight is off when not needed Battery Charging W A R N I N G Do not use Lithium batteries in this instrument Fire explosions or other hazards may result C a u t i o n s Never plug into...

Page 25: ...t a r t u p Upon turning the HM685 Hydronic Manometer on the meter engages in a brief self check while displaying the serial number model number and revision of the instrument being used While complet...

Page 26: ...d 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...

Page 27: ...ure 4 Attach the appropriate fitting to the open end of the Low pressure blue hose 5 To ensure all the air is bled from the hoses hold the open end of the Low pressure blue hose in an upright position...

Page 28: ...e M e a s u r e m e n t s The HM685 Hydronic Manometer allows for simultaneous measurement and display of the High side gauge and Differential pressure The calculated Low side gauge pressure is also...

Page 29: ...rements The HM685 Hydronic Manometer continuously measures and displays pressure readings whenever the manometer is in the Pressure Measurement or Flow Measurement screen with the exception of when th...

Page 30: ...al Pressure Battery Status or Power Input Type Cv Kv Value Shown with two optional accessory temperature probes attached Flow The flow reading is indicated as Flow on the manometer display It represen...

Page 31: ...ment mode See Chapter 4 Data Logging for more details on setup 1 Press the READ key 2 Allow the manometer to stand undisturbed until the reading is complete P e r f o r m i n g T e m p e r a t u r e M...

Page 32: ...r e m e n t s Taking a discrete measurement allows for measurement display and storage of a single time averaged reading taken over the sampling period Discrete measurement values are stored to the me...

Page 33: ...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 pre...

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Page 35: ...by pressing the ENTER key from either the Pressure or Flow Measurement screens Z e r o G a u g e P r e s s u r e Zero Gauge Pressure zeros the manometer s gauge pressure sensor Refer to Zeroing the Ma...

Page 36: ...flow from differential pressure These are typically coefficients provided by the balancing valve manufacturers and can be dependent on the type of valve and the valve setting in the case of variable v...

Page 37: ...Main Menu 3 3 Select Factor Type Enter Cv Kv Value A known Cv Kv Value is required of the measured valve to obtain accurate flow readings...

Page 38: ...the Cv Kv value can be edited This edit mode is indicated by The factor name changes to TEMP An up down arrow appears in front of the value to be edited Once you are in the edit mode press and hold t...

Page 39: ...e specific gravity based upon the measured temperature of the fluid Tprobe Note If the accessory temperature probe is not connected the user will have the option of manually entering the fluid tempera...

Page 40: ...3 6 Hydronic Manometer Model HM685 Entered Temperature...

Page 41: ...Data Logging Menu by pressing the DATA key from either the Pressure or Flow Measurement screens or from the Main Menu L o g M o d e The HM685 is programmable to store measurement to memory in the fol...

Page 42: ...ing In Cont time mode readings start by pressing the Read key The instrument continues taking samples until the time set in Sample Time elapses or the Esc key is pressed L o g S e t t i n g s Log Sett...

Page 43: ...e Test screen allows customizing the Test ID name of the selected test using 10 characters maximum Use the arrow keys to move the cursor to a desired location press Enter to accept This feature can be...

Page 44: ...lected Test ID and the number of samples and date time the samples were taken AVG average of all values stored in TEST ID MIN lowest value stored in TEST ID MAX highest value stored in TEST ID SUM sum...

Page 45: ...instrument as well as restoring the factory set default names to each of the Test IDs Delete Test Delete all samples within the current Test ID as well as restoring its factory set default name Delet...

Page 46: ...4 6 Hydronic Manometer Model HM685 M e m o r y Memory displays the total memory available Delete All under Delete Data clears memory and resets to 100 percent...

Page 47: ...lculations useful in evaluating hydronic system performance The Calculations Menu is accessed by pressing the CALC key from either the Pressure or Flow Measurement screens B r a k e P o w e r This Cal...

Page 48: ...in the Pressure and Flow Measurement screens Flow The pump flow rate dP The pressure drop measured across the pump Note The pressure drop across the pump can be entered as a real time measurement Wit...

Page 49: ...not known allowing for an efficiency factor of 70 is a good rule of thumb Power Units The calculated pump brake power BP automatically updates as the input parameters are changed Using the and keys t...

Page 50: ...be is connected With the value for the upstream temperature highlighted press the READ key The field will begin updating with measured values of temperature Press the READ key again to discontinue rea...

Page 51: ...Note The unit of measure for specific heat is driven by that selected for heat flow as follows Heat flow in Btu hr specific heat in Btu lb F Heat flow in W or kW specific heat in kJ kg C The default s...

Page 52: ...input parameters are changed Using the and keys to scroll and the and keys to change the selected field the unit of measure for heat flow can be adjusted Available units for heat flow are Btu hr W an...

Page 53: ...ameter to be updated and the and keys to change the value of the highlighted field Units for the inputs are driven by what was last set in the Pressure and Flow Measurement screens Differential Pressu...

Page 54: ...determination of required pump impeller size The calculation is based upon the following affinity law Flow varies directly as the change in impeller diameter Actual Flow Actual Impeller Diameter Desi...

Page 55: ...s or millimeters Output The calculated required impeller diameter Diam2 to achieve the desired flow will automatically update as the input parameters are changed Using the and keys to scroll and the a...

Page 56: ...square of flow Actual Flow Actual Differential Pressure Desired Flow Required Differential Pressure Inputs The following inputs are necessary for calculating the required pump pressure drop Use the an...

Page 57: ...d system flow rate Output The calculated required pump pressure drop dP2 to achieve the desired flow will automatically update as the input parameters are changed The units for pump pressure drop are...

Page 58: ...flow Actual Flow Actual Pump Brake Power Desired Flow Required Pump Brake Power Inputs The following inputs are necessary for calculating the required pump brake power Use the and keys to select the p...

Page 59: ...ed required pump brake power BP2 to achieve the desired flow will automatically update as the input parameters are changed Using the and keys to scroll and the and keys to change the selected field th...

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Page 61: ...ssure and Gauge Pressure Flow Temperature Time Constant Contrast Set Time Set Date Time Format Date Format Number Format Backlight Auto Off Navigate to the Settings menu by pressing the Enter key at t...

Page 62: ...he keypad press with an audible beep or silent Enable sets an audible beep Disable provides no audible beep S e l e c t U n i t s Select Units adjusts the format of the delimiter in both displayed and...

Page 63: ...r differential pressure or gauge pressure and press the Enter key Use the arrow keys to highlight the appropriate measurement and press the Enter key to accept F l o w At the Select Units screen highl...

Page 64: ...e constant is adjustable Available settings include 1 5 10 20 and 30 seconds Notes The time constant is the period over which the manometer averages measurements Example with the time constant equal t...

Page 65: ...ettings number the darker the contrast of the display Use the up and down or left and right arrow keys to adjust contrast S e t T i m e The Set Time menu sets the instrument s real time clock The digi...

Page 66: ...the instrument at the Set Date menu The digit selected to change will flash Use the arrow keys to select the date month or year and to adjust the date accordingly Press the Enter key to confirm T i m...

Page 67: ...Settings Menu 6 7 D a t e F o r m a t Three date settings are selectable based on user preference and include Month Date Year Date Month Year Year Month Date N u m b e r F o r m a t...

Page 68: ...Disable no backlighting Enable backlight is always on A u t o O f f Automatic shutoff extends battery life by turning off the instrument if the keypad is inactive for a period of thirty 30 minutes Shu...

Page 69: ...ment in case they believe the calibration of the instrument has changed The following items can be seen in each section of the calibration screen 1 The magnitude of user adjustment 2 The factory calib...

Page 70: ...The Span Factor is used to adjust the pressure readings on the meter It is multiplied by the factory calibrated pressure to yield the displayed pressure value Example If the user determines that diff...

Page 71: ...alue Example If the user determines that temperature probe 1 is reading 0 5 C too high they enter a User Offset of 0 5 C and afterward all temperature values from probe 1 will be shifted down by 0 5 C...

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Page 73: ...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 Refe...

Page 74: ...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...

Page 75: ...tomer Service will need the following information when you call The instrument model number The instrument serial number A purchase order number unless under warranty A billing address A shipping addr...

Page 76: ...factory to replace the battery Reading Logged Data There was a problem with the logged data The user should download their logged data as soon as practical and then execute the Delete All command to r...

Page 77: ...or 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...

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Page 79: ...at USB Software CD into the computer CD drive 2 Allow the Autorun program to initiate the installation Note If the program fails to start automatically run the file setup exe located on the CD 3 Follo...

Page 80: ...o properly establish communication First Time Connection The first time the meter is connected to the computer you will be prompted to complete the following New Hardware installation Note The screens...

Page 81: ...nloading to a Computer 9 3 Figure 9 2 Windows 7 Found New Hardware Wizard 2 Click Continue Anyway for Windows XP system Windows 7 system will install the driver automatically Figure 9 3 Hardware Insta...

Page 82: ...Hydronic Manometer Model HM685 3 Click Finish for Windows XP system No action needed for Windows 7 system Figure 9 4 Completing the Found New Hardware Wizard Figure 9 5 Windows 7 Installation Notifica...

Page 83: ...essfully by checking the device manager Go to Device Manager using the following steps a Click on the Windows Start button b Go to Control Panel then Administrative Tools then select Computer Manageme...

Page 84: ...o the instrument will be presented in a form similar to as follows When launching the software with more than one supported meter connected the following screen appears Select the meter from which you...

Page 85: ...nload selected tests or click Download All button to download all tests 3 The following screen is shown when downloading starts Figure 9 9 HM685 Download Test Data Screen 4 When download finishes a di...

Page 86: ...9 8 Hydronic Manometer Model HM685 Figure 9 11 HM685 Download Test Screen 7 Test tests will be saved to one file...

Page 87: ...data stored to each of the instrument s 100 available Test IDs Cv Factors The Cv Factors file contains all data associated with the instruments 100 available Cv Kv valve coefficients TestIDs Folder E...

Page 88: ...the file pull down menu 3 Choose the filename file type and directory to save data to Notes Double clicking or using the Open menu option allows for automatically opening the selected file using an a...

Page 89: ...psi 0 01 kPa 0 01 in Hg 0 0001 USGPM 0 00001 l s 0 1 F 0 1 C Accuracy Pressure2 Flow Temperature 1 of reading 072 psi 0 5 kPa 0 15 in Hg per pressure accuracy valve deviation 0 5 of reading 1 2 F 0 7...

Page 90: ...klight off Recharge Time 4 hours internal charger Warranty 2 year factory warranty 1 The flow reading is a calculated value determined from the measured Differential pressure user entered valve flow c...

Page 91: ...nducted Emissions EN61000 4 2 Electrostatic Discharge Immunity EN61000 4 3 Electromagnetic Field Immunity EN61000 4 4 Burst Immunity EN61000 4 5 Surge Immunity EN61000 4 6 Conducted PS Immunity EN6100...

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Page 93: ...information USA Tel 1 800 874 2811 UK Tel 44 149 4 459200 France Tel 33 1 41 19 21 99 Germany Tel 49 241 523030 India Tel 91 80 67877200 China Tel 86 10 8219 7688 Singapore Tel 65 6595 6388 P N 60068...

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