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

•

[email protected]

5-17

MAINTENANCE

Table 5: Parts List – R1L-BR1 Front Panel Assembly

Part Number: R1L-B-200

Part

Number

Part Description

Qty

Manufacturer

Cage

Code

Mfg Part

R1L-B-172 PCB BATTERY BRD

R1L-B

ALPHA CIRCUITS

33TM7 R1L-B-172

BH-107

BATT HOLDER END

"C" INSUL

KEYSTONE

ELECTRONICS

91833 87

EY-35

EYELET 3/32X0.156

KEYSTONE

ELECTRONICS

91833 35

Part

Number

Part Description

Qty

Manufacturer

Cage

Code

Mfg Part

BH-25

BATT HOLDER KEY

INSUL

KEYSTONE

ELECTRONICS

91833 59

CS-211-3

CONN,3 PIN,IDC

INLINE

ITW PANCON

0K1B5 CE100F22-3-C

ITW PANCON

0K1B5 CE100F22-3-D

999924-

000

WIR,24 AWG,TEFLON

BLK

BELDEN WIRE AND

CABLE

3HXC8 83003-10/BLK

999924-

002

WIR,24

AWG,RED,TEFLON

BELDEN WIRE AND

CABLE

3HXC8 83003-2(RED)

999924-

003

WIR,24

AWG,TFE,ORANGE

BELDEN WIRE AND

CABLE

3HXC8 83003-

3(ORNG)

TX-20-3/16 TUBING SHRINK

3/16

ALPHA WIRE & CABLE

92194 FIT221 3/16

ALLIED WIRE & CABLE

92194 HST221-3/16

TEGAM, INC

49374 6196

ST-420

SPA, INS PCB,

NYL,.250X.260

KEYSTONE

ELECTRONICS

91833 9029

Table 6: Parts List –Battery Board Assembly

Содержание R1L-BIR1

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

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

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

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

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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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