Tegam R1L-BIR1 Instruction Manual Download Page 33

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10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110

•

[email protected]

5-16

MAINTENANCE

BELDEN WIRE AND

CABLE

3HXC8 83029 005100

TEGAM, INC

49374 079-145-5

TEGAM, INC

49374 600005

KN-106

KNOB,ROUND,KNURLED.6

.4MM

EA MULTICOMP/SPC

75498 MC21051

CS-21

CONN,PUSH ON

EA MOLEX

KB925 39012020

CS-105

CONN,TERM,FEMLE,18-24

AWG

EA MOLEX

KB925 39-00-0039

ST-335

STANDOFF,4-40X3/4 HEX

EA MCMASTER-CARR

0KVE6 91780A745

Part Number

Part Description

Ref

Qty

Manufacturer

Cage

Code

Mfg Part

015-317

IC VOLT REG ADJ

EA FAIRCHILD

SEMICONDUCTOR

4E8P4 LM317T

NATIONAL

SEMICONDUCTOR

LM317T

TG-34

XISTOR,BIPOLAR,PNP

EA MOTOROLA

TIP34

MICROELECTROINC

SCE76 TIP34C

TEGAM, INC

49374 079-148-8

TEGAM, INC

49374 600008

TX-20-3/16

TUBING SHRINK 3/16

AR EA ALPHA WIRE &

CABLE

92194 FIT221 3/16

ALLIED WIRE &

CABLE

92194 HST221-3/16

TEGAM, INC

49374 6196

MS35338-137 WSH LOCK,SPLT,#8

EA TEGAM, INC

49374 50626

TEGAM, INC

49374 NAS1676C8

MPT FASTENER

45T10 NON MIL EQUAL

BY DESC

R1LBR1-319

FRONT PANEL

EA AMERICAN METAL

SPECIALTIE

5JH28 R1LBR1-319

R1LBR1-320

FRONT PNLW/ OVERLAY

REF EA

R1LBR1-321

FRONT PNL OVERLAY R1L-

BR1

EA NUTRON

NAMEPLATE

30236 PER PRINT

R1L-B-100

PC ASSY, R1L-B

EA TEGAM, INC

49374

R1L-BR1-700 FIXTURE FRNT PNL

REF EA

DD-130

LCD DISP 3.5 DIGIT 0.5”H

EA FEMA ELECTRONICS

CORP

OP7Z6 35D050-T3PBZ

SW-419

SWITCH ROTARY 2 POLE

2 POS

EA ELECTROSWITCH

TEGAM, INC

49374

C5P0206N-4006

SW-420

SW-421

SO-314-20

SOCKET ROW 20 PIN SIP

EA MILL-MAX

3N087 316-93-120-41-

008-000

999920-000

WIR,20 AWG TFE BLACK

AR EA BELDEN WIRE AND

CABLE

3HXC8 83007-010

999920-008

WIR,20 AWG TFE GREY

AR EA BELDEN WIRE AND

CABLE

3HXC8 83007-008

ST-317

STNDOF,4-40X.25 M/F

STEEL

EA MCMASTER-CARR

0KVE6 93620A430

R1L-B-200

PC ASSY R1L-B BATT BRD

EA TEGAM, INC

49374

LOCTITE263

LOCTITE,263,HI

STG,THRD

AR EA LOCTITE

05972 263

Summary of Contents for R1L-BIR1

Page 1: ...ation Date May 2019 REV B REPRODUCTION AND DISTRIBUTION OF THIS TECHNICAL MANUAL IS AUTHORIZED FOR US GOVERNMENT PURPOSES TEGAM PROPRIETARY INFORMATION NOTE This User s Manual was as current as possible when this product was manufactured However products are constantly being updated and improved To ensure you have the latest documentation refer to www tegam com ...

Page 2: ...utton Functions 3 1 General Theory of Operation 3 2 4 PRINCIPLES OF OPERATION Principles of Operation 4 1 5 MAINTENANCE Inspection 5 1 Cleaning 5 1 Calibration 5 2 Troubleshooting 5 6 Table 2 Fault Symptoms and Repair Actions 5 6 Preparation for Shipment 5 7 Overhaul Instructions 5 8 Figure 3 Parts Layout 5 9 Figure 4 5 Digital Analog Section 5 10 Table 3 Parts List Main Board Assembly 5 12 Table ...

Page 3: ...cale ranges from 2 mΩ to 20 Ω The resistance reading is displayed on a 3 digit liquid crystal display on the front panel An over range condition is indicated as a 1 followed by three blank digits the decimal point is also displayed in its normal position for the range selected 1 2 Performance Characteristics This is a range selection instrument with a rotary 5 range selector switch Range Full Scal...

Page 4: ...and spacing such that the instrument may be operated while wearing safety gloves Electrical The R1L BIR1 is powered by an internal battery consisting of three rechargeable NiCad C cells 2800 mAh 3500 mAh with a built in charger Input power for the charger is 90 VAC to 250 VAC at 50 Hz or 60 Hz Charging power is supplied via a removable line cord one end of which plugs into a line filter on the fro...

Page 5: ...itude Front Panel Controls and Displays See figure 1 RANGE Switch The rotary 5 range selector switch may be used to step through all five ranges POWER Switch Used to turn the power on or off to the instrument DISPLAY is a 3 digit displaying readings from 1 999 to 199 9 Four binding posts for connection of test leads are marked I E E and I Proper connections to the resistor under test are described...

Page 6: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 1 4 INSTRUMENT DESCRIPTION Figure 2 Front Panel Controls ...

Page 7: ...apply to electronic test instruments should be followed A hard mechanical shock such as from dropping the R1L BIR1 could damage the liquid crystal display Care should be taken to prevent damage to associated cables Remove the battery cells for inactive storage of 30 days or more Temperature 40 C to 71 C Relative humidity 0 to 100 non condensing Altitude 4570 m See Section 5 6 below for shipping re...

Page 8: ...trument Under these conditions all accessible parts including insulating parts such as knobs and terminals could develop a hazardous voltage and put the user at risk Use the Proper Fuse To avoid fire hazard use only the correct fuse type as specified for the AC power supply in the Description of Equipment or Maintenance sections of this manual Do Not Use in Explosive Environments The R1L BIR1 micr...

Page 9: ...tely Note that the instrument is shipped with its battery removed Unwrap the 3 cells which comprise the battery 2 2 Preparation for Use Battery Installation Be sure the power line cord is disconnected Check that the Power Switch is in the OFF position Remove the ten screws around the R1L BIR1 s top control display panel Carefully lift the unit out of its cabinet Place the unit upside down on a sur...

Page 10: ...rior to battery operation it is recommended the R1L BIR1 Microohm Bond Meter be plugged into AC power for at least 14 hours to charge the battery cells To charge the battery cells the Power Switch must be turned ON and the Range Switch should be set to 20 Ω With the Range Switch set to lower ranges the charge rate decreases and the batteries will be discharged especially on the 2 mΩ range even wit...

Page 11: ...99 since this is a 3 digit meter If the readings are exceeding 1 999 counts step to the next higher range If the readings are less than 2 000 counts step down a range so that it will read 1 999 counts or less The decimal point is located automatically for the correct reading If the selected range is too low for the value of the resistor under test the display will show over range The POWER rotary ...

Page 12: ...item under test utilizing Ohm s law and displays it on a 3 digit display Kelvin Clip Cable Description A Kelvin clip consists of two opposing jaws of an alligator style clip which are insulated from each other so one jaw may be used to connect a source of current to the resistance under test and the other jaw used to measure the voltage at the test point The two jaws are spring loaded to clamp ont...

Page 13: ...ana plug should go into the respective I binding post If Kelvin Clip cables are not used a pair of shielded cables may be utilized As occurs in the Kelvin Clip cables in the above paragraph one cable should have its shield connected to the I binding post and its center conductor connected to the E binding post Similarly the other cable should have its shield connected to the I binding post and its...

Page 14: ...se of HTP 100 probes with R1L BIR1 1 Connect the BLUE spade lug from the LEFT HTP 100 Probe to the RED E terminal of the R1L BIR1 2 Connect the RED spade lug from the LEFT HTP 100 Probe to the RED I terminal of the R1L BIR1 3 Connect the WHITE spade lug from the RIGHT HTP 100 Probe to the BLACK E terminal of the R1L BIR1 4 Connect the BLACK spade lug from the RIGHT HTP 100 Probe to the Black I ter...

Page 15: ...selected by the switch for the measurement range chosen Each pole of the COM1 section of SW1 is connected to a different tap on the current sensing resistor string made up of R13 R48 R50 R52 and R54 The test current flows into the sense resistor string at the tap selected out of R54 into D3 and out of D3 to the I test jack The external test leads conduct the current through the resistance being me...

Page 16: ...t stability is determined by the stability of R54 the 3 V reference developed by U4 and to a minor extent other circuit components The test currents on the four other ranges are adjusted to approximately 1 10 1 100 1 1000 and 1 10000 of the actual value of the 2 milliohm range test current during the calibration adjustment process Trimpots R53 R51 R49 and R114 are used for this adjustment and are ...

Page 17: ... pins 8 and 40 The reference is divided by the resistor string R31 R32 R146 and R143 R146 provides an adjustable voltage used as the analog to digital conversion reference to pin 44 R143 provides an adjustable zero reading Display U4 directly drives the LCD except for the decimal points and the LOBAT indicator The decimal point associated with the range selected is displayed when the range switch ...

Page 18: ... The instrument should be cleaned periodically as is necessary using mild soap and a damp cloth followed by a second damp rinsing cloth Clean the LCD window using a soft cloth moistened with water or Windex type window cleaner DO NOT use common paper towel products as some brands may contain fibers which could scratch the display window DO NOT apply significant pressure to the LCD window as it cou...

Page 19: ...NG THIS INSTRUMENT WHEN THE LINE CORD IS PLUGGED IN AND THE R1L BIR1 HAS BEEN REMOVED FROM ITS CASE TO ENSURE THAT CONTACT IS NOT MADE WITH THE AC POWER CONNECTIONS OR OTHER POTENTIALLY HARMFUL POINTS FAILURE TO OBSERVE PROPER SAFETY PRECAUTIONS MAY CAUSE SERIOUS HARM TO THE OPERATOR AND OR DAMAGE THE R1L BIR1 A Preparation 1 Remove the front panel assembly from the case by removing the ten retain...

Page 20: ...nto AC and turn on 4 Verify the reading on the voltmeter reads between 1 0 1 5VDC 5 Disconnect the UUT from the AC source 6 Disconnect the Voltmeter from the UUT NOTE The UUT is to be unplugged from AC during the remaining portions of the procedure C Zero the Display 1 Set the range switch to 2 mΩ on the UUT 2 Short out all four terminals of the UUT in the following order I to I I to E E to E usin...

Page 21: ...ment steps build upon each other and must be performed in sequence It appears that the connection of standards will be more convenient if the steps are performed in reverse order from H to E but this will not provide a satisfactory adjustment as for example the Step E adjustment changes the Step H reading E 20 mΩ Adjust 1 Set the range switch to 20 mΩ on the UUT 2 Connect a 19 mΩ standard to the U...

Page 22: ... to 2 Ω on the UUT 2 Connect a 1 9 Ω standard to the UUT using the clip leads 3 Adjust R49 for a display reading of the actual standards value 3 counts 0 003 Ω on the display of the UUT typically 1 900 Allow adequate time for any thermals to dissipate and the unit to quit drifting 4 Disconnect the resistance standard 5 Connect a 190 mΩ standard to the UUT using the clip leads 6 Verify that the dis...

Page 23: ...ions Batteries Fuse Fuse F1 U1 R1 R101 D5 Remove battery cells and bend contact arms inward to ensure better contact with the battery cells Clean connections if required Try a new set of batteries Check fuses Check for 12 VDC across C1 If not check for mains on pins 1 2 of U8 If not replace U8 If ok check for aprox 6 VDC ref to common at the output of U1 If not replace U1 If above ok check for app...

Page 24: ...Range switches and remove these knobs To separate the printed circuit board from the front panel remove the two screws and two standoffs appearing in a rectangular pattern around the LCD and control switches Remove the four nuts from the binding post connections Re assembly To reassemble the unit repeat the above steps in reverse order taking care to install the lockwashers on the proper screws 5 ...

Page 25: ... remove and install the batteries This level of disassembly is detailed in section 2 2 and battery cells should be removed at the negative end first Tools and test equipment used for disassembly calibration and troubleshooting of the R1L BIR1 are listed in section 5 3 Troubleshooting suggestions are given in section 5 5 The only component expected to require replacement is the battery The battery ...

Page 26: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 9 MAINTENANCE Figure 3 Parts Layout ...

Page 27: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 10 MAINTENANCE Figure 4 Digital Section ...

Page 28: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 11 MAINTENANCE Figure 5 Analog Section ...

Page 29: ...C31 C32 C33 0 1uF CAP CER 0 1UF 50V X7R 1206 C1206C104K5R AC KEMET 150036 13 4 C34 C35 C37 C38 0 01µF CAP CER 0 01UF 50V X7R 0805 C0805C103 K5RACTU KEMET C 610 10000PF 14 4 CR1 CR2 CR3 CR4 BAV23S DIO FAST DUAL 200V 400mA SOT 23 3 BAV23S 7 F DIODES INCORPORATED DZ 228 15 1 D3 SS24 DIO SCHOTTKY 40V 2A SMB SS24T3G ON SEMICONDUCT OR DZ 157 16 1 D5 ES1B DIO FAST 100V 1A SMA ES1B 13 F DIODES INCORPORATE...

Page 30: ...K RES THICK FILM 0 1 1 8W 0805 ERA 6AEB183V PANASONIC R 638 18K 38 4 R46 R127 R130 R131 1 00K RES THICK FILM 1 1 4W 1206 ERJ 8ENF1001V PANASONIC R 515 1K 39 1 R48 1 00K RES THICK FILM 0 1 1 4W 1206 RG3216P 1001 B T1 SUSUMU R 550 1 0K 40 1 R49 10K RES TRIMMER 1 4W 12 TURN 4mm SQ SMD 3224G 1 103E BOURNS RP 103 10 0K 41 1 R50 100 RES METAL FILM 0 1 1 2W AX CMF55100R00B EEB VISHAY R 169 100 42 2 R51 R...

Page 31: ... OPA2376AID TEXAS INSTRUMENTS IC 358 64 1 U2 LMC648 2 IC OPAMP DUAL CMOS SOIC 8 LMC6482IM NO PB TEXAS INSTRUMENTS IC 251 65 1 U4 MAX138 IC 3 5 DIGIT ADC W LCD DRIVER QFP 44 MAX138CMH MAXIM IC 241 66 1 U5 7660 IC REGULATOR SWITCHED CAP SOIC 8 ICL7660ACBAZ A INTERSIL IC 809 67 1 U6 3 5DIGI T LCD DISPLAY 3 5 DIGIT W AND LOBAT IND USE NO BACKLIGHT 35D050 R3PBZ FEMA ELEC DD 206 68 1 U7 4070B IC QUAD 2 ...

Page 32: ...U 202 FUSE 1 4A 3AG SLOW BLOW F1 2 EA LITTELFUSE 7E222 313 25 LITTELFUSE 7E222 313 250HXP IN 7 SIL PAD HEATPAD TO 220 2 EA BERGQUIST 55285 3223 07FR 90 BERGQUIST 55285 SP400 0 007 00 90 WA 20 WSH NYLON 4 Q1 U1 2 EA THERMALLOY 13103 7721 7PPS THERMALLOY 13103 7721 7PPSG TEGAM INC 49374 210117800 ITW PANCON 0K1B5 CE100F22 3 D 210108 LUG SOLDER 4 1 EA KEYSTONE ELECTRONICS 91833 908 12373 DISPLAY GASK...

Page 33: ...221 3 16 TEGAM INC 49374 6196 MS35338 137 WSH LOCK SPLT 8 4 EA TEGAM INC 49374 50626 TEGAM INC 49374 NAS1676C8 MPT FASTENER 45T10 NON MIL EQUAL BY DESC R1LBR1 319 FRONT PANEL 1 EA AMERICAN METAL SPECIALTIE 5JH28 R1LBR1 319 R1LBR1 320 FRONT PNLW OVERLAY REF EA R1LBR1 321 FRONT PNL OVERLAY R1L BR1 1 EA NUTRON NAMEPLATE 30236 PER PRINT R1L B 100 PC ASSY R1L B 1 EA TEGAM INC 49374 R1L BR1 700 FIXTURE ...

Page 34: ...nufacturer Cage Code Mfg Part BH 25 BATT HOLDER KEY INSUL 3 EA KEYSTONE ELECTRONICS 91833 59 CS 211 3 CONN 3 PIN IDC INLINE 1 EA ITW PANCON 0K1B5 CE100F22 3 C ITW PANCON 0K1B5 CE100F22 3 D 999924 000 WIR 24 AWG TEFLON BLK AR IN BELDEN WIRE AND CABLE 3HXC8 83003 10 BLK 999924 002 WIR 24 AWG RED TEFLON AR IN BELDEN WIRE AND CABLE 3HXC8 83003 2 RED 999924 003 WIR 24 AWG TFE ORANGE AR IN BELDEN WIRE A...

Page 35: ... 3EH09 CORCOM 38AS8 NATIONAL SEMICONDUCTOR 0G557 CUSTOM COIL 0VYL0 OHMITE 03615 DIALIGHT DIALCO 96312 OLDAKER 64882 DISCH SEE TEGAM ON SEMICONDUCTOR 59PE1 EAGLE 0MPC5 PANASONIC 0HF77 ELECTROSWITCH 8T045 PHILIPS 0TBA7 ELECTRO TECH SYSTEMS 56541 POMONA 5D6S9 ETCHED METAL SEE TEGAM PPM SEE TEGAM FAIRCHILD SEMICONDUCTOR 4E8P4 SPRAGUE 5079 FEMA OP7Z6 SUSUMU SAW40 GE MG CHEMICALS L3160 ST MICROELECTRONI...

Page 36: ...r Of even importance a detailed written description of the problem should be attached to the instrument Many times repair turnaround is unnecessarily delayed due to a lack of repair instructions or of a detailed description of the problem This description should include information such as measurement range and other instrument settings type of components being tested are the symptoms intermittent...

Page 37: ...edite the processing and repair process RMA Instrument Model Serial Number Company Technical Contact Phone Number Additional Contact Info Repair Instructions Evaluation Calibration Only Repair Only Repair Calibration Z540 Detailed Symptoms Include information such as measurement range instrument settings type of components being tested is the problem intermittent When is the problem most frequent ...

Page 38: ...ill recalibrate any product which does not conform to the published accuracy specifications In order to exercise this warranty TEGAM Inc must be notified of the defective product before the expiration of the warranty period The customer shall be responsible for packaging and shipping the product to the designated TEGAM service center with shipping charges prepaid TEGAM Inc shall pay for the return...

Page 39: ...nd exclusive remedy in the event any item fails to comply with the foregoing express warranty of TEGAM shall be to return the item to TEGAM shipping charges prepaid and at the option of TEGAM obtain a replacement item or a refund of the purchase price Statement of Calibration This instrument has been inspected and tested in accordance with specifications published by TEGAM Inc TEGAM Inc certifies ...

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