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Table of Contents

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10 TEGAM WAY ● GENEVA, OHIO 44041 ● 440

-466-

6100 ● FAX 440

-466-

6110 ●

[email protected]

T

ABLE OF

C

ONTENTS

.................................................................................................... 1-1

  Specifications ........................................................................................................ 1-1
  Optional Accessories and Ordering Information ................................................ 1-3
  TEGAM Family of Handheld Bond Meters ............................................................ 1-3

........................................................................................................ 2-1

  General Information .............................................................................................. 2-1
  Feature Overview .................................................................................................. 2-1
  Safety Notices and Information ........................................................................... 2-2

.................................................................... 2-4

  Unpacking and Inspection ................................................................................... 2-5
  Battery Installation and Replacement ................................................................. 2-5
  Making Your First Resistance Measurement ........................................................ 2-7

................................................................................................... 4-1

  Keypad Functions .................................................................................................. 4-1
  LCD Display ............................................................................................................ 4-1
  Test Limit Menu ...................................................................................................... 4-3
  Auto-Power Off ...................................................................................................... 4-3
  Backlight and Backlight Timeout .......................................................................... 4-3
  Hold Function ......................................................................................................... 4-3
  Auto-Hold Function ............................................................................................... 4-4
  Open Lead Detection ........................................................................................... 4-5
  Battery Indicator .................................................................................................... 4-5

Invalid Measurement Indications ......................................................................... 4-6

........................................................................................................ 5-1

  Inspection and Cleaning ...................................................................................... 5-1
  Calibration ............................................................................................................. 5-1
  Troubleshooting ..................................................................................................... 5-7
  Diagnostic Routines and Error Codes .................................................................. 5-8
  Preparation for Calibration or Repair Service ..................................................... 5-9
  Expedite Repair & Calibration Form ................................................................... 5-10
  Warranty ............................................................................................................... 5-11
  Warranty Limitations ............................................................................................ 5-11
  Statement of Calibration .................................................................................... 5-12

............................................................. A-

....................................................................................B-

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Summary of Contents for 720A

Page 1: ...ENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com HANDHELD BOND METER Models 720A Intrinsically Safe Handheld Bond Meter Operation Manual rev A Manual Part Number 720A 900 Rev A Published June 2021 Geneva OH ...

Page 2: ...27 7015 Technical data Commercial items and DFARS 227 7202 3 Rights in commercial computer software or commercial computer software documentation for the Department of Defense Except as explicitly permitted by the foregoing reproduction for non governmental use of the information or illustrations contained in this computer software and technical data is not permitted Compliance FCC Notice This equ...

Page 3: ...ng Your First Resistance Measurement 2 7 4 OPERATING INSTRUCTIONS 4 1 Keypad Functions 4 1 LCD Display 4 1 Test Limit Menu 4 3 Auto Power Off 4 3 Backlight and Backlight Timeout 4 3 Hold Function 4 3 Auto Hold Function 4 4 Open Lead Detection 4 5 Battery Indicator 4 5 Invalid Measurement Indications 4 6 5 SERVICE INFORMATION 5 1 Inspection and Cleaning 5 1 Calibration 5 1 Troubleshooting 5 7 Diagn...

Page 4: ...ht LED Backlight with 30 second timeout Reading Rate 3 Second for Readings typical Battery Type 3 AA IEC LR6 ANSI 15 Alkaline Battery Life 100 hours standby 50 hours in 10 mΩ range typical2 Battery Indicator Four 4 Stage Battery Charge Indicator Keypad Six 6 momentary switches with audible and tactile feedback Power Cycle Configuration Retention Instrument retains Range Test Limit Maximum Common M...

Page 5: ... Zone 0 Ex ia IIA T4 Ga Standards MIL PRF 28800F Class 2 Operating Temp 10 to 55 C 14 to 131 F Humidity 5 to 95 10 to 30 C 5 to 95 50 to 86 F Altitude 0 to 4600 m 0 to 15 092 ft Vibration Random 10 500 Hz 0 03 g2 Hz Shock 30g Half Sine Drop 4 drops from 1 m to concrete Storage Temp 51 to 71 C 60 to 160 F PHYSICAL CHARACTERISTICS Dimensions 193 x 84 x 28 mm 7 6 x 3 3 x 1 1 in Weight incl batteries ...

Page 6: ...0 Series Intrinsically Safe MKP B Miniature Pin Kit Spear Tip 4 Pins per Pack MKP F Miniature Flat Tip Pin Kit 4 Per Pack MKP H Miniature Serrated Tip Pin Kit 4 Per Pack MKP J Miniature Round Tip Pin Kit 4 Per Pack MKP LM Miniature Serrated Rotating Tip Pin Kit 4 Per Pack KC M2S Kelvin Clip 700 Series Regular Length Intrinsically Safe KC M5S Kelvin Clip 700 Series Long Length Intrinsically Safe Ba...

Page 7: ... and versatile instruments simplify the process of resistance measurement through the intuitive user interface Feature Overview Battery life of 100 hours in standby 50 hours in 10 mΩ range 4 Four and one half 4 digit LCD with LED Backlight Easy to clean Automatic and manual HOLD modes Programmable test limits with OK and FAIL annunciators OVER and UNDER annunciators Open lead and DUT Device Under ...

Page 8: ...ning the battery cover Internal circuits can present a shock hazard if leads are connected to a source of elevated potential Do not use this instrument if the housing probe wiring probe or probe handle are damaged or distorted Housings and wire insulation are part of the personnel protection system and if damaged could expose users to elevated potentials WARNING EXPLOSION HAZARD Never store this p...

Page 9: ... Remove the batteries when storing the instrument for an extended period or in a high temperature environment to prevent battery leakage and possible damage to the instrument Use only Zinc Manganese Dioxide or Alkaline Manganese Dioxide AA cells that have been tested by a nationally recognized laboratory to meet the requirements of UL 60079 11 Sixth Edition Use of any other battery will invalidate...

Page 10: ...changed only in a location known to be Non Hazardous Never open the instrument while in an Ex Hazardous area Never store the instrument with batteries installed in an Ex Hazardous area Never use the instrument with the battery cover off Do not put batteries into bags designed to protect parts from electrostatic discharge ESD These bags are specially designed with metal shielding which can short ci...

Page 11: ... One 1 Handheld Bond Meter One 1 Safety Notices Booklet One 1 Operation Manual One 1 Quick Start Guide Statement of Traceability Three 3 AA 1 5 V batteries and Optional accessories if purchased Battery Installation and Replacement Three 3 AA 1 5 V batteries are supplied with the instrument but not installed Read the following battery replacement instructions before attempting to install or remove ...

Page 12: ...o 2 battery compartment retaining screws 3 Remove the battery compartment cover 4 If present carefully remove old batteries being careful to not damage the battery contacts 5 Observing proper polarity install three 3 new AA alkaline IEC LR6 ANSI 15 batteries 6 Re install the battery cover and two 2 retaining screws 7 At initial power on after battery replacement allow approximately 30 seconds for ...

Page 13: ...he plug into the connector and twist the outer ring of the connector clockwise 3 Press to turn unit on 4 The unit will light all segments of the display as it performs a power on self test 5 The instrument will display a resistance if connected to a device or if not connected If kelvin clips are connected and closed nodut will be displayed 6 Press to change ranges or to put unit in Auto Range mode...

Page 14: ... See Section 4 7 Increment Decrement through ranges including AUTO While in Test Limit Menu advance or reverse selected parameter Figure 2 Keypad Button Functional Description The and keys have multiple functions which can be accessed by momentarily pressing the key or alternatively by pressing and holding the key for approximately 1 5 seconds Throughout this Operation Manual the press and hold se...

Page 15: ...ion is active 4 One or both probes are not electrically connected See Section 4 8 Open Lead Detection 5 If a probe is not electrically connected the open channel is indicated See Section 4 8 Open Lead Detection 6 Remaining battery life 7 Resistance measurement 8 AUTO range is active 9 Currently selected range 10 The measurement is less than the test limit 11 The measurement is greater than the tes...

Page 16: ...1 5 seconds then released to access the desired function To conserve battery life the instrument automatically turns off if no key is pressed for 20 minutes To disable this feature press 1 5s The remaining battery life indicator will flash once indicating auto power off is disabled Auto power off will remain disabled until instrument power is cycled At next power on auto power off returns to the d...

Page 17: ...ce Under Test DUT a will appear on the display b Connect leads to DUT 4 When the unit detects a connection the display of the unit will go blank then begin to cycle The cycling animation on the display indicates that the unit is taking measurements of the DUT 5 Once a stable value has been determined and the measurement is completed the unit will display the reading of the DUT along with PASS FAIL...

Page 18: ...t with MKP BKP and MCP probes the OPEN and channel annunciators will be illuminated when not connected to a DUT Battery Indicator The battery voltage indicator provides a visual representation of approximate remaining battery life It is located at the top right of the display The battery voltage indicator uses three bars to represent remaining battery life Figure 4 shows the approximate battery li...

Page 19: ...scale or higher If possible switch to a higher range UNDER Reading is 10 of full scale or less If possible switch to a lower range OPEN 1 2 If the leads become electrically disconnected the OPEN segment will illuminate along with segment 1 2 or both to indicate the disconnected channel nodut The device does not detect a DUT no device under test This message will appear when Kelvin Clips are connec...

Page 20: ...3 C and 5 to 95 RH 2 The unit under test UUT shall be acclimated to the controlled environment for a minimum of four 4 hours 3 Power on the 720A for a minimum of ten 10 minutes To disable Auto Power Off press 1 5s 4 The equipment listed in Appendix A is required to fully verify the UUT 5 Refer to Appendix B for standard measurement points and tolerances for each 720A resistance range 6 Record stan...

Page 21: ...eds the high limit or low limit calculated in Step 6 using Pass Fail column of Appendix B 25 Staying in the 100 mΩ range connect UUT leads to 10 mΩ standard and record value 26 Indicate if the value exceeds the high limit or low limit calculated in Step 6 using Pass Fail column of Appendix B 27 Press to put UUT into 10 mΩ range and record value 28 Indicate if the value exceeds the high limit or lo...

Page 22: ...s until unit is in 10 mΩ range 7 Short the leads of the unit in the following order I to I I to E and E to E See Figure 6 The unit should display 0 000 0 002 8 With the leads still shorted together insert a rigid wire through the alignment access hole and gently press the calibration enable switch located on the circuit board See Figure 7 for location 9 The UUT display will indicate as follows a 1...

Page 23: ...the correct value of the 10 mΩ standard 16 Press a will flash periodically 17 The UUT display will indicate as follows a 1 b Line 1 c Line 2 100 mΩ 18 Short the leads of the unit as described in Step 6 19 Press to select 0 00 20 Press a will flash periodically 21 The UUT display will then indicate as follows a 2 b Line 1 c Line 2 100 mΩ 22 Connect the probes to the 100 mΩ resistance standard 23 A ...

Page 24: ... as follows a 2 b Line 1 c Line 2 1 Ω 30 Connect the probes to the 1 Ω resistance standard 31 A value will be displayed press the to select the correct value of the 1 Ω standard 32 Press a will flash periodically 33 The UUT display will indicate as follows a 1 b Line 1 c Line 2 10 Ω 34 Short the leads of the unit as described in Step 6 35 Press to select 0 000 36 Press a will flash periodically 37...

Page 25: ... a will flash periodically 44 The UUT display will then indicate as follows a 2 b Line 1 c Line 2 100 Ω 45 Connect the probes to the 100 Ω resistance standard 46 A value will be displayed press to select the correct value of the 100 Ω standard 47 Press a will flash periodically 48 ERROR will begin flashing Hold for 3 seconds to store the alignment If the unit is powered off during the alignment pr...

Page 26: ...eir resolutions SYMPTOM DESCRIPTION RESOLUTION Unexpected or Erroneous Measurement Display is all zeroes Check range of unit if UNDER annunciator is active press to select a lower range If already in lowest range measurement is under 1 μΩ Auto Hold never completes Check range of unit Unresponsive Hold Mode is active Press and verify that the HOLD indicator is not active see Section 4 6 Hold Functi...

Page 27: ...diagnostic routines are also executed during startup If any diagnostic routine detects a malfunction an error will be displayed as shown in Figure 9 below ERROR CODE DESCRIPTION Err ADC Analog to digital converter error Err FLSH Flash memory error Err InP Stuck key or other keypad error noCAL Instrument has no calibration data Figure 9 Diagnostic Routine Error Codes If the unit displays one of the...

Page 28: ...tion of the problem should be attached to the instrument Many times repair turnaround is unnecessarily delayed due to a lack of repair instructions or a detailed description of the problem This description should include information such as measurement range and other instrument settings at the time of the malfunction type of components being tested frequency of the symptoms intermittent or contin...

Page 29: ...cessing and repair process RMA Instrument Model Serial Number Company Technical Contact Phone Number Additional Contact Info Service Instructions Evaluation Calibration Only Repair Only Repair Calibration ISO 17025 Calibration with Data Detailed Symptoms Include information such as measurement range instrument settings type of components being tested is the problem intermittent When is the problem...

Page 30: ...EGAM service center is located The customer shall be responsible for paying all shipping duties taxes and additional costs if the product is transported to any other locations Repaired products are warranted for the remaining balance of the original warranty or 90 days whichever is greater Warranty Limitations The TEGAM Inc warranty does not apply to defects resulting from unauthorized modificatio...

Page 31: ...specifications published by TEGAM Inc TEGAM Inc certifies the above listed instrument has been inspected and calibrated and meets or exceeds all published specifications and has been calibrated using standards whose accuracies are traceable to the International System of Units SI through the National Institute of Standards and Technology NIST or other recognized National Metrology Institutes ...

Page 32: ...MINAL VALUE TOLERANCE Resistance Standards 100 Ω 10 Nominal5 10 Ω 1 Ω 100 mΩ 10 mΩ 1 mΩ 100 µΩ Rigid Wire Required to access the calibration enable switch Any rigid wire approximately 0 8 mm in diameter may be used 5 The resistance standards total contribution to the calculated calibration uncertainty is the responsibility of the calibrating laboratory ...

Page 33: ...IFICATION DATA SHEET RANGE NOMINAL VALUE STANDARD VALUE READING TOLERANCE LOW LIMIT HIGH LIMIT PASS FAIL 100 Ω 100 Ω 0 220 Ω 10 Ω 0 040 Ω 10 Ω 10 Ω 0 0220 Ω 1 Ω 0 0040 Ω 1 Ω 1 Ω 0 00220 Ω 100 mΩ 0 00040 Ω 100 mΩ 100 mΩ 0 220 mΩ 10 mΩ 0 040 mΩ 10 mΩ 10 mΩ 0 0220 mΩ 1 mΩ 0 0040 mΩ 100 µΩ 0 0020 mΩ 0 Ω 0 0020 mΩ ...

Page 34: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM INC 10 TEGAM WAY GENEVA OHIO 44041 CAGE Code 49374 WEB http www tegam com ...

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