Tegam RL1-BR1 Operations Manual
Contents
1. 39NVu 3onve gt Wogoz0rqo i gt 3349 ven Y 220 T 43 9 7841050995 1980 920 9 4 ager TIWSSSTXVW ager Digital Section 10 WAY GENEVA 44041 440 466 6100 FAX 440 466 6110 5 9 sales tegam com Figure 3 MAINTENANCE TEGAM 101 901 8719 8 a weuincog_ IN LO NO vr 8O Z0 90 SO a Irop HO em ONT Sa YA ONV inva ALVINdOd LON OG lal a i 40 i ASSY 82 i 17 0817255 4 anvoz 200 6955 45 u N9020450 1942 000 00 ZMS aun 20 401 4183 5 14001 mL gt up b 5 sp ven meer veeezanis suu B a 2 s nos pv2. MICROOHM BOND METER MODEL R1L BR1 Instruction Manual RiL BR1i 900 01 Publication Date January 2014 REV C 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 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM TABLE OF CONTENTS TABLE OF CONTENTS 1 INSTRUMENT DESCRIPTION PURPOSE a dab 1 1 Performance Characteristics 1 1 Description of Equipment 1 2 Figure 1 Front Panel Controls 1 3 List of Items Furnished 2 74 0 4 4 1 4 Storage Shipping Requirements 1 4 Safety Information and 5 1 4 2 PREPARATION FOR USE AND INSTALLATION Unpacking Inspection 2 1 Preparation for 9 2 2 7 7 24 2 1 3 OPERATING INSTRUCTIONS FUNCTIONS 3 1 General Theory of 3 2 4 PRINCIPLES OPERATION Principles Of
3. anro ANON f suezvdo yun Digital Section 10 TEGAM WAY GENEVA 44041 440 466 6100 FAX 440 466 6110 5 10 sales tegam com Figure 4 zz mr Part Number R1L B 100 Qty Value Description Manufacturer TEGAM P N 1 1 1 220uF ALUM 220uF 35V EEE 1VA221UP PANASONIC C 328 220UF 2 6 C2 C3 C4 C9 0 1uF CER 50V X7R 0805 C0805C104K5R C 610 0 1UF 21 C26 3 4 10 C11 C12 6 8 TANT 16V 10 TR3A685K016C VISHAY C 606 6 8UF IAA 3000 4 1 18 1 0uF FILM PEN 1 0uF 01105 PANASONIC C 335 1 0UF 100 5 1 C22 1 0 50V X7R 0805 GRM21BR71H1 MURATA C 0805K 5KA12L 1 0UF 6 1 C23 0 1uF FILM PEN 0 1uF ECWU1104 C9 PANASONIC C 630 0 1UF 100 2416 7 1 24 0 47 FILM PEN 0 47uF ECWU1C474JC9 PANASONIC C 632 16V 2416 0 47uF 8 1 25 0 1 FILM PP 0 1uF IECWF2104JAQ PANASONIC C 514 0 1UF 50V RAD_10MM 9 1 27 4 7uF AP TANT 16V EIAA IIR3A475K016C VISHAY C 606 4 7UF 1500 10 1 28 10000 CER 250VAC IDE2F3KH103MA MURATA 595 RAD_7 5MM BB 10000PF 11 4 C30 C31 C32 0 1uF CER 0 1UF 50V X7R 1206 104 5 150036 C
4. 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 the front of the R1L BR1 and the other end being a standard three pin grounded line plug Fuse 4 A 3AG Slow blow PN FU 202 Input Protection The RiL BR1 will not be damaged by a signal of 1 Vp p applied across any pair of input terminals Environmental This unit will operate over a temperature range from 0 C to 50 C 75 RH non condensing up to 3050 m altitude 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 3 9 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 in Section 3 2 below 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 1 2 VSN OIHO NI SGV IYON SAVA 06 40 3SV3O1S 3AI19VNI YO LNIWdIHS 340438 3 3 lt INSTRUMENT DESCRIPTION 95 v sz 0 0 2H 09 0S OVA 092 06 H313IW GNOS INHOOHOINW TEGAM Figure 1 Front Pa
5. 6 Verify that the display of the UUT displays the actual standard value 2 counts 7 Disconnect the resistance standard 75 F 200 Adjust 1 Set the range switch to 200 on the UUT 2 Connect 190 mQ standard to the UUT using the clip leads 10 TEGAM WAY GENEVA 44041 e 440 466 6100 FAX 440 466 6110 sales tegam com 5 4 TEGAM 3 Adjust R51 for a display reading of the actual standards value 3 counts 0 3 the display of the UUT typically 190 0 Allow adequate time for any thermals to dissipate and the unit to quit drifting Disconnect the resistance standard Connect a 19 mQ standard to the UUT using the clip leads 6 Verify that the display of the UUT displays the actual standard value 2 counts 7 Disconnect the resistance standard G 2 Q Adjust Set the range switch to 2 Q on the UUT 2 Connect a 1 9 Q standard to the UUT using the clip leads 3 Adjust R49 for a display reading of the actual standards value 3 counts 0 003 Q on the display of the UUT typically 1 900 Allow adequate time for any thermals to dissipate and the unit to quit drifting Disconnect the resistance standard Connect a 190 mQ standard to the UUT using the clip leads 6 Verify that the display of the UUT displays the actual standard value 2 counts 7 Disconnect the resistance standard H 200 Adjust Set the range switch to 20 Q on the UUT
6. 2 Connect a 19 Q standard to the UUT using the clip leads 3 Adjust R114 for a display reading of the actual standards value 3 counts 0 03 Q the display of the UUT typically 19 00 Allow adequate time for any thermals to dissipate and the unit to quit drifting Disconnect the resistance standard Connect 1 9 Q standard to the UUT using the clip leads 6 Verify that the display of the UUT displays the actual standard value 2 counts 7 Disconnect the resistance standard 10 TEGAM WAY GENEVA 44041 e 440 466 6100 FAX 440 466 6110 sales tegam com 5 5 TEGAM 5 5 Troubleshooting Following are possible symptoms diagnosis and repair suggestions for use in trouble shooting the most likely causes are listed first Symptom Faulty Repair Component Batteries Check for batteries installed amp polarity Power cord Check the power cord is plugged in No Display Power switch Check the power switch is ON U6 Check for a square wave between pin 4 amp 40 of U4 if present replace U6 Connections Remove battery cells and bend contact arms inward to ensure better contact with the battery cells Clean connections if required Batteries Try a new set of batteries Fuse Check fuses Battery Fuse F1 Check for 12 VDC across C1 If not check for Won t mains on pins 1 amp 2 of U8 If not replace U8 If charge 01 ok check for aprox 6 VDC ref to common
7. FEMLE 18 24 2 EA MOLEX KB925 B9 00 0039 57 335 4 40 3 4 4 EA MCMASTER CARR OKVE6 017804745 10 TEGAM WAY GENEVA 44041 e 440 466 6100 FAX 440 466 6110 sales tegam com 5 14 1322171 Cage Part Number Part Description Ref Qty UM Manufacturer Code Mfg Part 015 317 VOLT REG ADJ 1 EA FAIRCHILD 4E8P4 317 SEMICONDUCTOR NATIONAL 317 SEMICONDUCTOR ITG 34 XISTOR BIPOLAR PNP 1 EA MOTOROLA 4 ST SCE76 TIP34C MICROELECTROINC 5 49374 079 148 8 49374 600008 20 3 16 TUBING SHRINK 3 16 AR EA ALPHA WIRE amp 92194 FIT221 3 16 CABLE ALLIED WIRE amp 92194 HST221 3 16 CABLE TEGAM INC 49374 6196 MS35338 137 WSH LOCK SPLT 8 4 EA TEGAM INC 49374 50626 49374 51676 8 FASTENER 45 10 NON MIL EQUAL Y DESC R1iLBR1 319 FRONT PANEL 1 EA AMERICAN METAL 5JH28 R1LBR1 319 SPECIALTIE R1iLBR1 320 FRONT PNLW OVERLAY EA R1iLBR1 321 FRONT PNL OVERLAY 11 1 EA NUTRON 30236 PER PRINT BR1 NAMEPLATE R1L B 100 PC ASSY R1L B 1 49374 R1iL BR1 700 FIXTURE FRNT EA DD 130 LCD DISP 3 5 DIGIT 0 5 H 1 EA FEMA ELECTRONICS 726 B5D050 T3PBZ CORP ISW 419 ISWITCH ROTARY 2 POLE 2 EA ELECTROSWITCH 206
8. at the output of U1 If not replace U1 R1 R101 If above ok check for approximately 4 5 VDC ref to common at the anode of D5 if not replace R1 R101 D5 If above ok check for approximately 3 6 VDC ref to common at the cathode of D5 if not replace D5 Current o p Check for proper current o p between I and I Display Kelvin Clip If above ok check the Kelvin cable for continuity from each side to the banana plug With cables U9 U11 Q1 If no current troubleshoot the const current circuit and replace U11 or other component s if connected to a good defective re istor U10 U9 If the current and cables are both ok check the voltage amplifier and replace U10 U9 or other component s if defective Table 2 Fault Symptoms and Repair Actions After trouble shooting and repair the instrument must be recalibrated in accordance with 5 4 above 10 TEGAM WAY GENEVA 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 6 TEGAM Disassembly e First remove the line cord and any other connecting wires Then remove the ten screws of the top display panel Carefully lift the unit out of its cabinet Remove the three battery cells e Remove the four screws that secure the battery plate e Loosen the set screws in the knobs for the Power and Range switches and remove these knobs e To separate the printed circuit board from the front panel remove the two screws and two s
9. 10 BLK 000 BLK CABLE 999924 WIR 24 AR IN BELDEN WIRE AND 3HXC8 83003 2 RED 002 AWG RED TEFLON CABLE 999924 WIR 24 AR IN BELDEN WIRE AND 3HXC8 83003 003 AWG TFE ORANGE CABLE 3 ORNG 20 3 16 TUBING SHRINK AR EA ALPHA WIRE amp CABLE 92194 FIT221 3 16 3 16 5 ALLIED WIRE amp CABLE 92194 HST221 3 16 TEGAM INC 49374 6196 ST 420 SPA INS PCB 2 EA KEYSTONE 91833 9029 NYL 250X 260 ELECTRONICS Table 6 Parts List Battery Board Assembly Manufacturer Manufacturer coar ABBATRON HH SMITH 91967 MAXIM 1ES66 ALPHA 92194 MCMASTER CARR OKVE6 AMERIPACK OTJ49 MICRO COMMERCIAL 374W0 AVX 16299 MILL MAX 3N087 BELDEN 3HXC8 MOLEX KB925 BOURNS F0978 MOTOROLA 0G546 C amp K 63HW9 MPT FASTENER 45T10 COMMERCIAL SEE MCMASTER CARR MULTICOMP 75498 CONCORD 18310 MULTI CONTACT 0WCJ0 COOPER BUSSMANN 1UW16 MURATA ELECTRONICS NA 3EH09 CORCOM 38AS8 NATIONAL SEMICONDUCTOR 06557 CUSTOM COIL OVYLO OHMITE 03615 DIALIGHT DIALCO 96312 OLDAKER 64882 DISCH SEE TEGAM ON SEMICONDUCTOR 59PE1 EAGLE 5 PANASONIC OHF77 ELECTROSWITCH 8T045 PHILIPS 0 7 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 MICROELECTRONICS SCE76 GRAYHILL 81073 TEGAM INC 49374 HARWIN INC 06 9 TEXAS INSTRUMENTS 8T904 ILLINOIS CAPACITOR 74840 TYCO Z9V34 INTERSIL CORPORATION 0331 3E655 KEMET ELECTRONICS 31433 VISHAY 56845 KOA 5912
10. 5 12 zz wr Item Qty Value Description Manufacturer P N 57 2 R154 R156 2 0M RES THICK FILM 1 IERJ 6ENF2004V PANASONIC R 618 2 0M 1 8 0805 58 2 1506 5060 SIP 20 CONN SIL SOCKET 316 93 120 41 MILL MAX SO 314 20 472 STANDOFF 008000 20 5 59 2 5 1 SW2 2 6 W ROTARY DP 6 5 5 0206 ELECTROSWITC SW 419 H 60 2 1 TP2 51751 LOOP SMD 61751 46 HARWIN INC CS 122 46R 61 1 010 218 OPAMP DUAL ZERO OPA2180IDR TEXAS IC 352 0 DRIFT SOIC 8 INSTRUMENTS 62 2 01109 237 OPAMP DUAL LOW 2376 TEXAS IC 358 6 OISE SOIC 8 INSTRUMENTS 63 1 2 LMC648 OPAMP DUAL CMOS LMC6482IM NO TEXAS 251 2 SOIC 8 PB INSTRUMENTS 64 1 4 138 3 5 DIGIT ADC 138 241 DRIVER QFP 44 65 1 5 7660 REGULATOR 7660 2 INTERSIL IC 809 SWITCHED SOIC 8 66 1 06 3 5DIGI DISPLAY 3 5 DIGIT B5D050 T3PBZ FEMA ELEC DD 130 T LCD ND LOBAT IND USE BACKLIGHT 67 1 7 40708 QUAD 2 INPUT XOR 04070 96 5 863 14 INSTRUMENTS 68 1 08 VOF 15 PS 12VDC 1 25 15 12 CUI INC PS 128 12 RAME PCB MOUNT Table 3 Parts List Main Board Assembly Cage Part Number Part Description Qty UM Manufacturer Code Mfg Part BA 110 BATT C NICAD 3000mAh 3 EA PANASONIC OHF
11. TEGAM immediately e 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 R1iL BR1 s top control display panel Carefully lift the unit out of its cabinet Place the unit upside down on a surface which will not mar or damage the control display panel WARNING DO NOT CONNECT THE AC LINE CORD PRIOR TO REMOVING THE UNIT FROM ITS CASE OR WHILE THE UNIT IS OUT OF ITS CASE OR ELSE THE MAINS VOLTAGE WILL PRESENT A POSSIBLE SHOCK HAZARD CAUTION BE SURE TO OBSERVE THE PROPER POLARITY WHEN INSERTING THE BATTERY CELLS OR DAMAGE MAY RESULT 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 e sales tegam com 2 1 TEGAM PREPARATION FOR USE AND INSTALLATION Insert the battery cells one at a time in accordance with the polarity indications marked on both the battery cell and the battery holder Insert the positive end of the battery cells first After installing the cells reinstall the instrument in its case and secure the ten screws Power Up Plug the power cord into the R1L BR1 front panel receptacle and plug the other end into a standard AC outlet For battery operation with charged battery cells this step is omitted Turn on the POWER rotary switch N
12. 10 TEGAM WAY GENEVA 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 11 zz rr Item Qty Value Description Manufacturer TEGAM P N 29 8 R8 R10 R134 15 0K RES THICK FILM 0 1 6 153 PANASONIC R 638 15K R135 R136 1 8W 0805 R147 R157 R162 30 4 9 R11 R132 31 6K RES THICK FILM 0 1 PANASONIC R 638 31 6K R133 1 8 0805 6 162 31 1 13 10 0K RES THICK 0 1 ERA 6AEB103V PANASONIC R 638 10K 1 8 0805 IPFC WO805LF TT ELEC IRC 3 1002 B 1739 32 3 R31 R137 150K RES THICK FILM 0 1 ERA 6AEB154V PANASONIC R 638 150K R138 1 8 0805 33 2 R32 R53 500 RES TRIMMER 1 4W 12 B224G 1 501E BOURNS RP 103 500 TURN 4mm SQ SMD 34 1 R33 174K ES THICK FILM 1 IERJ 6ENF1743V PANASONIC R 618 174K 1 8 0805 IRCO805FR YAGEO 7174KL 35 2 1843 R44 499K RES THICK FILM 0 1 PANASONIC R 638 499K 1 8 0805 AEB4993V 36 2 R45 R47 18 0K ES THICK FILM 0 1 ERA 6AEB183V PANASONIC R 638 18K 1 8 0805 37 4 1846 R127 1 00K RES THICK FILM 1 IERJ 8ENF1001V PANASONIC R 515 1K R130 R131 1 4W 1206 38 1 R48 1 00K ES THICK FILM 0 1 RG3216P 1001 SUSUMU R 550 1 0K 4W 1206 B T1 39 1 R49 10K RES TRIMMER 1 4W 12 B224G 1 103E BOURNS RP 103 TURN 4mm SQ SMD 10 0K 40 1 50 100 RES METAL FILM 0 1 CMF55100ROOB VISHAY R 169 100 1 2W 41 2 51 R143 1K ES TRIMME
13. 33 1206 AC 12 4 CR2 235 PIO FAST DUAL 200V 235 7 DIODES DZ 228 CR4 HOOMA SOT 23 3 INCORPORATED 13 1 103 5524 IO SCHOTTKY 40V 2 65524736 ON DZ 157 MB SEMICONDUCT OR 14 1 105 ES1B DIO FAST 100V 1A SMA ES1B 13 F DIODES DZ 172 INCORPORATED 15 1 07 5 6V IO ZENER 5 6V 1W IDFLZ5V6 DIODES DZ 180 OWERDI123 INCORPORATED 16 1 9 1 5 DIO 400V 1 5A SMB MRS1504T3G ON DZ 130 SEMICONDUCT OR 17 1 6 LCD DISP 3 5 DIG 0 5 B5D050 T3PBZ FEMA DD 130 ELECTRONICS CORP 18 1 2A FUSE 2A 125VAC DC CB61F2A COOPER FU 25 2410 BUSSMANN 19 1 2 39 29 CONN HEADER RIGHT 39 29 102 MOLEX CS 22 102 ANGLE 2X1 4 2MM 20 1 640456 CONN HEADER 640456 3 5 199 3 ERTICAL 1x3 2 54 CONNECTIVITY 22 1 02 222 KSISTOR BJT NPN DUAL 2222 FAIRCHILD TG 270 2A HOV 500mA TSOT 23 6 SEMICONDUCT OR 23 2 R1 R101 3 3 ES CARBON FILM 5 02070 330 VISHAY R 250 3 3 LW 0207 82 200 5 24 1 2 100 RES THICK FILM 1 IERJ 6ENF1000V PANASONIC R 618 100 1 8 0805 IRCO805FR YAGEO 7100RL 25 5 R4 R34 10 0K RES THICK FILM 1 IERJ 6ENF1002V PANASONIC R 618 10K R35 R36 1 8 0805 IRCO805FR YAGEO 710KL 26 1 R5 1 00K RES THICK FILM 1 IERJ 6ENF1001V PANASONIC R 618 1K 1 8 0805 IRCO805FR YAGEO 71KL 27 1 6 4 99 RES THICK FILM 1 IRCO805FR YAGEO R 618 4 99 1 8 0805 74R99L 28 5 7 R128 129 499 RES THICK FILM 1 IERJ 6ENF4990V PANASONIC R 618 499 R141 R142 8 0805
14. 4 VOLEX POWER CORDS U7112 LITTLEFUSE 7E222 Table 7 Vendor Cage Code Directory 10 TEGAM WAY GENEVA 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 16 TEGAM SERVICE INFORMATION SECTION 6 SERVICE INFORMATION Preparation for Calibration or Repair Service Once you have verified that the cause for RiL BR1 malfunction cannot be solved in the field and the need for repair and calibration service arises contact customer service to obtain an RMA Returned Material Authorization number You can contact TEGAM customer service via the TEGAM website www tegam com or by calling 440 466 6100 Locations OR 800 666 1010 United States Only The RMA number is unique to your instrument and will help us identify you instrument and to address the particular service request by you which is assigned to that RMA number 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 conditions that may cause the symptoms has anything changed since the last time the instrument was used etc Any detailed information provided to our t
15. 4006 POS 49374 SW 420 49374 SW 421 50 314 20 ROW 20 2 EA MILL MAX 3N087 B16 93 120 41 08 000 999920 000 WIR 20 AWG TFE BLACK AR EA BELDEN WIRE AND 3HXC8 3007 010 CABLE 999920 008 WIR 20 AWG TFE GREY AR EA BELDEN WIRE AND 3HXC8 B3007 008 CABLE ST 317 ISTNDOF 4 40X 25 M F 4 EA MCMASTER CARR OKVE6 936204430 TEEL R1L B 200 PC ASSY R1L B BATT BRD 1 EA TEGAM INC 49374 LOCTITE263 LOCTITE 263 HI AR EA LOCTITE 05972 263 STG THRD Table 5 Parts List R1L BR1 Front Panel Assembly Part Number R1L B 200 Part Cage Number Part Description t UM Manufacturer Code Mfg Part R1L B 172 PCB BATTERY BRD 1 ALPHA CIRCUITS 33TM7 R1L B 172 R1iL B BH 107 BATT HOLDER END 6 EA KEYSTONE 91833 87 INSUL ELECTRONICS EY 35 EYELET 3 32X0 156 12 EA KEYSTONE 91833 35 ELECTRONICS 10 TEGAM WAY GENEVA 44041 e 440 466 6100 FAX 440 466 6110 sales tegam com 5 15 TEGAM Part Cage Number Part Description Qty UM Manufacturer Code Mfg Part BH 25 BATT HOLDER KEY 3 EA KEYSTONE 91833 59 INSUL ELECTRONICS CS 211 3 CONN 3 PIN IDC 1 0 1 5 100 22 3 INLINE ITW PANCON 0 1 5 CE100F22 3 D 999924 WIR 24 AWG TEFLON AR IN BELDEN WIRE AND 3HXC8 83003
16. 466 6100 FAX 440 466 6110 sales tegam com 5 2 TEGAM NOTE Heat from the charging circuit causes the UUT to drift The COOL DOWN period is only necessary if the UUT has been charging for an extended period of time 6 Turn the voltmeter on allowing a 10 minute warm up a Set unit to measure DC voltage b Set unit to Auto range 7 Connect clip leads to the voltmeter B AC Circuitry Check 1 Set the range switch to 20 Q on the UUT 2 Connect the voltmeter to the UUT a Voltmeter Red test lead to TP1 of the UUT b Voltmeter Black test lead to TP2 of the UUT 3 Plug the UUT into 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 mQ on the UUT 2 Short out all four terminals of the UUT in the following order I to I to E E to E using the three pieces of buss wire 3 Adjust R143 for a zero reading 1 count on the least significant digit as displayed by the UUT 4 Set the range switch to the next higher range 5 Verify a zero reading within 1 count on the least significant digit 6 Repeat steps 4 and 5 for all remaining ranges 7 Disconnect the buss wires from the UUT D 2 mQ Adjust Main Gain Adjust 1 Set the range switch to 2 mQ on th
17. 77 P 280CR SANYO 00200 N 3000CR TENERGY 55R99 20400 R1L BR1 040 FRONT PANEL ASSY 1 EA TEGAM INC 49374 KAK 1M CBL KELVIN BANANA RiL BR1 1 EA SILVERTRONIC 129609 BCP 10 KELV PRB SPRING LOAD PINS 1 EA C PETROVIC BCP 10 10 PIN SET 8 PINS STYLE 1 EA 115 LLINECORD 1 EA VOLEX U7112 17250 10 1 5000 POUCH R1iL BR1 1 EA ELLIS CH 07749 5000 11 1 900 01 OPERATION MANUAL 1 EA ACTIVITIES R1L B 900 PRESS 01 RR1L B BR 841 CD MANUAL MILITARY AR EA TEGAM INC 49374 1212 1L BR1 LABEL 1 EA NUTRON 30236 1212 NAMEPLATE 1531 CASE R1LC 080 1 EA AMERIPACK 07249 1013 5879 16 VINYL FBGL GRN AR FT 019 PRODUCT SPEC SHEET TEMP REF EA Table 4 Parts List R1L BR1 Final Assembly 10 TEGAM WAY GENEVA 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 13 TEGAM w Part Number 11 1 040 Cage Part Number Part Description Ref Qty UM Manufacturer Code Mfg Part BP 50 0 IBIND POST CON GLD PLT 1 2 EA POMONA 5D6S9 B750 0 IBLK ELECTRONICS POMONA P E ELECTRONICS 750 2 IBIND POST GLD PLT RED ON DUL BINDPOST BASEBP I POMONA 3862 BLK 1 ELECTRONICS PE 2 PWR ENTRY LINEFILTER F1 1 EA CORCOM 38AS8 BEEAL BA TYCO TE 17830 6609000 4 CONNECTIVITY FH 20 FUSE HLD PNL MNT
18. EGAM Inc warrants this product to be free from defects in material and workmanship for a period of one year from the date of shipment During this warranty period if a product proves to be defective TEGAM Inc at its option will either repair the defective product without charge for parts and labor or exchange any product that proves to be defective TEGAM Inc warrants the calibration of this product for a period of one year from date of shipment During this period TEGAM Inc will 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 of the product to the customer if the shipment is to a location within the country in which the TEGAM 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 period is longer 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 6 3 TEGAM SERVICE INFORMATION Warranty Limitations The
19. F1 2 EA LITTELFUSE 7 222 D3453LF1H 6 3 32 FU 202 FUSE 1 4A SLOW 1 2 EA LITTELFUSE 7E222 B13 25 BLOW LITTELFUSE 7 222 13 250 IN 7 ISIL PAD HEATPAD TO 2 EA BERGQUIST 55285 B223 07FR 90 20 BERGQUIST 55285 SP400 0 007 0 90 WA 20 WSH NYLON 4 01 01 2 EA THERMALLOY 13103 7721 7 5 THERMALLOY 13103 7721 7 5 49374 210117800 ITW 0 1 5 100222 3 0 210108 LUG SOLDER 4 1 EA KEYSTONE 91833 908 ELECTRONICS 12373 DISPLAY GASKET RiL B 2 EA GASKO 6R887 12373 ST 318 TNDOF 8 32X1 2 HEX 4 EA MCMASTER CARR 6 627004452 BRS Z 244 WSH 8 LOCK GLD 4 EA MPT FASTENER 45710 BUY WIT NUT PLATED 32 amp WA 242 NUT 8 32GLD NUT HEX 8 32 GLD 4 EA MPT FASTENER 45710 BUY WITH WA PLATED 242 amp WA 244 MS51957 13 PH 4 40 X 1 4 LG 6 EA MPT FASTENER 45 10 NON MIL EQUAL DESC 4 ISCW PFH 4 40X1 2 SS BL 2 EA MPT FASTENER 45110 40X1 2PFHBLK K 3538 4 40 6 EA BEAVER BOLT OB6M9B538 MPT FASTENER 45710 4 40 NUT 18 8 535338 135 WSH LOCK 4 11 EA MPT FASTENER 45 10 MIL EQUAL Y DESC 6168 WIRE Ni8 STR TFLN AR FT BIRNBACH 71002 8518 19 BELDEN WIRE AND 3HXC8 83029 005100 CABLE TEGAM INC 49374 079 145 5 49374 600005 KN 106 KNOB ROUND KNURLED 6 2 EA MULTICOMP SPC 75498 MC21051 4 5 21 CONN PUSH 1 EA MOLEX KB925 B9012020 5 105 CONN TERM
20. OPERATION adjustable bipolar offset voltage is added to this output by R143 before it is applied to VIN at pin 38 of U4 C18 and 140 are a low pass filter to reduce noise The voltmeter IC U4 converts the amplified voltage across the resistance being measured into a displayed reading Because the test current is precisely regulated along with the various gains chosen in the circuit the displayed value is directly proportional to the resistance being measured U4 develops a reference voltage of 3 V between 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 SW1 provides a 3 6 V signal to one of the inputs of U7 The LOBAT signal is displayed when U2A detects the voltage at pin 40 of U4 falls below ground Since this pin is maintained by U4 at the reference voltage of 3 V below the battery voltage LOBAT will be displayed when the battery is less than approximately 3 V 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 e sales tegam com 4 3 TEGAM SECTION 5 MAINTENANCE 5 1 Inspection These units should be inspected semi annually Cables should be perio
21. Operation 4 1 5 MAINTENANCE upa aa Q 5 1 5 1 5 2 Troubleshooting es 5 6 Table 2 Fault Symptoms and Repair Actions 5 6 Preparation for Shipment 5 7 Overhaul Instructions 2 5 7 Figure 2 Parts 5 8 Figure 3 4 Digital Section 5 9 Table 3 Parts List Main Board Assembly 5 11 Table 4 Parts List Final Assembly 5 13 Table Parts List Front Panel Assembly 5 14 Table 6 Parts List Battery Board Assembly 5 15 Table 7 Vendor Cage Code 5 16 6 SERVICE INFORMATION Preparation for Repair or Calibration Service 6 1 Expedite Repair and Calibration Form 6 2 Warranty aus wu kta apb R 6 3 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM INSTRUMENT DESCRIPTION SECTION 1 INSTRUMENT DESCRIPTION 1 1 Introduction The TEGAM Model R1L BR1 bond meter is a purpose built rechargeable battery powered portable instrument for ground bond measurements RiL BRi comes
22. R 1 4W 12 B224G 1 102E BOURNS RP 103 1 0K TURN 4mm SQ SMD 42 1 52 10 0 RES WW 1 3W AX OHMITE R 275 10 43 1 1854 1 00 RES WW 1 5W 1 OHMITE R 341 1 44 1 114 100K RES TRIMMER 1 4W 12 B224G 1 104E BOURNS RP 103 TURN 4mm SQ SMD 100 0K 45 1 R115 13 0K THICK FILM 1 IERJ 8ENF1302V PANASONIC R 515 13K 4W 1206 46 1 121 110K RES THICK FILM 1 IERJ 8ENF1103V PANASONIC R 515 110K 1 4 1206 47 1 R125 154 RES THICK FILM 1 IERJ 8ENF1540V PANASONIC R 515 154 1 4 1206 48 1 126 1 30K RES THICK FILM 1 IERJ 8ENF1301V PANASONIC R 515 1 3K 4W 1206 49 4 R139 R145 150 RES THICK FILM 0 1 ERA 6AEB151V PANASONIC R 638 150 R158 R159 1 8 0805 50 1 140 49 9K RES THICK FILM 1 IERJ 8ENF4992V PANASONIC R 515 49 9K 4W 1206 51 1 144 0 0 RES THICK FILM JUMPER ERJ 6GEYOROOV PANASONIC R 618 0 1 8 0805 IRCO805JR YAGEO 7ORL 52 1 146 3 57K ES THICK FILM 0 1 PANASONIC R 638 3 57K 1 8 0805 6 571 SUSUMU IRG2012P 3571 5 53 1 150 140 RES THICK FILM 1 IERJ 8ENF1400V PANASONIC R 515 140 1 4W 1206 54 1 151 1 96K RES THICK FILM 1 IERJ 8ENF1961V PANASONIC R 515 1 96K 1 4W 1206 55 1 152 19 6K RES THICK FILM 1 IERJ 8ENF1962V PANASONIC R 515 19 6K 1 4W 1206 56 1 8153 196K RES THICK FILM 1 IERJ 8ENF1963V PANASONIC R 515 196K 1 4W 1206 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com
23. TEGAM Inc warranty does not apply to defects resulting from unauthorized modification or misuse of the product or any part This warranty does not apply to fuses batteries or damage to the instrument caused by battery leakage The foregoing warranty of TEGAM is in lieu of all other warranties expressed or implied specifically disclaims any implied warranties of merchantability or fitness for a particular purpose In no event will TEGAM be liable for special or consequential damages Purchaser s sole and 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 The accuracy and calibration of this instrument are traceable to the National Institute of Standards and Technology through equipment which is calibrated at planned intervals by comparison to certified standards maintained in the laboratories of TEGAM Inc Contact Information TEGAM INC 10 TEGAM WAY GENEVA OHIO 44041 CAGE Code 49374 WEB http www tegam com 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 e sales tegam com 6 4
24. ace to be measured with sufficient force to cause the points to retract slightly 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 3 4 TEGAM PRINCIPLES OF OPERATION SECTION 4 PRINCIPLES OF OPERATION Power Supply The internal switching power supply U8 accepts nominal line voltages between 90 and 250 VAC 50 60 Hz allowing operation worldwide C1 C2 01 R1 R2 and R101 form constant current regulator set to approximately 758 mA for charging the battery D5 is used to isolate the AC power for the battery D7 serves to clamp the voltage to less than 5 V when the battery is disconnected The negative 3 6 volt power supply for U2 and U10 is developed by 05 Test Current Path The test current used to perform the resistance measurement originates from the battery terminal connected to the 3 6 V power symbol at the emitter of Q1 It flows through Q1 into the COM1 terminal of SW1 and out of the terminal 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 measured and back to the I test jack where it returns to ground and then to the bat
25. binding post becomes less than about 3 V Test Current Adjustment The test current on the 2 milliohm range is 1 4 amps It is very stable but not adjustable The 1 4 A current stability is determined by the stability of R54 the 3 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 adjusted sequentially in that order Adjusting the current affects the readings so current adjustment INDEPENDENT of the readings adjustment is not possible Voltage Measurement The voltage across the resistance being measured is amplified by U10A U10B and U9B The E and E test jacks are the input to this differential amplifier and the output is connected to the voltmeter IC U4 pins 38 and 39 R130 R131 R141 R142 CR3 CR4 provide overvoltage input protection 010 U10B R132 R133 and R134 provide differential gain of 5 the voltage between U10A pin 1 and U10B pin 7 is 5 times the voltage between E and E U9B provides voltage gain of 10 and develops its output between VREF at pin 40 of U4 and VIN at pin 39 of U4 An 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 4 2 TEGAM PRINCIPLES OF
26. d optimizing instrument operation 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 1 4 TEGAM INSTRUMENT DESCRIPTION Danger Arising from Loss of Ground If the connection to ground is lost or compromised while charging the batteries a floating potential could develop in the instrument 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 R1L BR1 microohmmeter is not designed for operation in explosive environments 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 e sales tegam com 1 5 TEGAM PREPARATION FOR USE AND INSTALLATION SECTION 2 PREPARATION FOR USE AND INSTALLATION 2 1 Unpacking and Inspection Upon receipt the R1L BR1 and accessories should be carefully unpacked and removed from the shipping container Separate the units from the packing material and inspect both the instrument and the accessories for any external damage e If any dents broken or loose parts are seen do not use the equipment and notify TEGAM immediately e Check that all items are present If any items are missing notify
27. dically inspected to make sure they are in good condition Check that the switches turn smoothly Check all four binding posts to ensure that they operate smoothly No other maintenance is required other than to keep the battery charged through power line operation Charging should be done for at least 14 hours after long periods several months of storage or after considerable use on battery power 5 2 Cleaning 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 could separate from the front panel DO NOT use alcohol solvents or harsh chemicals to clean the LCD window 5 3 Test Equipment and Tools Required for Calibration and Repair Calibration of the R1L BR1 is recommended on a yearly basis and is done at a temperature of 23 C 1 C To obtain best results keep the unit at 23 C 1 C for at least 8 hours and allow it to warm up for 30 minutes before making any adjustments 10 TEGAM WAY GENEVA 44041 e 440 466 6100 FAX 440 466 6110 sales tegam com 5 1 TEGAM The calibration procedure and schematics provided in this manual are for the surface mount
28. e UUT 2 Connect a 1 9 mQ standard to the UUT using the clip leads 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 3 TEGAM 3 Adjust R32 for a display reading of the actual standards value 3 counts 40 003 mQ on the display of the UUT typically 1 900 Allow adequate time for any thermals to dissipate and the unit to settle 4 Repeat sections C D until both values are with in specifications 5 Disconnect the resistance standard 6 Connect a 1 mQ standard to the UUT using the clip leads 7 Verify that the display of the UUT displays the actual standard value 2 counts 8 Disconnect the resistance standard NOTE The following adjustment 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 mQ Adjust 1 Set the range switch to 20 mQ on the UUT 2 Connect a 19 mQ standard to the UUT using the clip leads 3 Adjust R53 for a display reading of the actual standards value 3 counts 0 03 mQ on the display of the UUT typically 19 00 Allow adequate time for any thermals to dissipate and the unit to quit drifting Disconnect the resistance standard Connect a 1 9 mQ standard to the UUT using the clip leads
29. echnicians will assist them in identifying and correcting the problem in the quickest possible manner Use a copy of the Repair and Calibration Service form provided on the next page Once this information is prepared and sent with the instrument to our service department we will do our part in making sure that you receive the best possible customer service and turnaround time possible 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 e sales tegam com 6 1 TEGAM SERVICE INFORMATION Expedite Repair amp Calibration Form Use this form to provide additional repair information and service instructions The Completion of this form and including it with your instrument will expedite the processing and repair process RMA Instrument Model Serial Number Company Technical Phone Contact Number Additional Contact Info Repair Instructions 0 Evaluation 0 Calibration Only 0 Repair Only L Repair amp Calibration L 2540 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 has anything changed with the application since the last time the instrument was used etc 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 6 2 TEGAM SERVICE INFORMATION Warranty T
30. itch Functions Operation of the Model RiL BR1 is simple There are only two switches The RANGE rotary switch manually scrolls through the five ranges Full scale on any range may be described as 2 000 counts actually 1 999 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 switch turns on the power to operate the unit or turns off the power to the unit The appearance of the display will show that power is on absence of the display indicates that either power is off batteries are discharged or there is some malfunction Note that when power is turned off it may take several seconds to discharge circuit capacity to completely blank the display The black markings seen have no effect and disappear when power is turned back on 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 3 1 TEGAM OPERATING INSTRUCTIONS 3 2 General Theory Of Operation Measurement Principle A 4 terminal measurement method is used to determine the resistance of the item under test This method allows the accurate measurement of low values of resistance i
31. n spite of the other resistances present in the connection leads A known current is supplied to the item under test via two wire leads connected to the I and I binding posts on the R1L BR1 Microohm Bond Meter front panel Two other wire leads connected to the E and E binding posts on the R1L BR1 front panel sense the voltage developed across the resistance under test due to the supplied known current The R1L BRi then calculates the resistance of the item under test utilizing Ohm s law and displays it on a 3 1 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 onto a cylinder of inch diameter or less WARNING OPERATING THE R1L BR1 MICROOHM BOND METER AND TAKING RESISTANCE MEASUREMENTS ON A POWERED OR ENERGIZED COMPONENT COULD CAUSE SERIOUS HARM TO THE OPERATOR AND OR DAMAGE THE R1L BR1 SURE THE ITEM TO BE MEASURED IS DISCONNECTED FROM OTHER COMPONENTS AND APPARATUS If the battery cells have not been installed refer to section 2 2 Battery only operation will result in the most stable and accurate readings The 11 1 may be operated while charging the batteries however it will not conform to specifications in this configu
32. nel Controls 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 e sales tegam com 1 3 TEGAM INSTRUMENT DESCRIPTION 1 4 List of Items Furnished 1 each Model RiL BR1i with power cord 3 each rechargeable NiCad battery cells P N BA 110 1 each 11 1 Instruction Manual P N R1L BR1 900 01 2 each Kelvin Clip Cables one end with a dual banana plug and the other end with a gold plated Kelvin clip P N KTL 100 2 each Kelvin Probes one end with a dual banana plug and the other with a Probe with replaceable tips 8 each P N BCP 10 1 5 Storage and Shipping Requirements Standard precautions which apply to electronic test instruments should be followed A hard mechanical shock such as from dropping the R1L BR1 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 requirements 1 6 Safety Information and Precautions Grounding the Equipment This product is grounded through the grounding conductor of the power cord To avoid electrical shock or other potential safety hazards plug the power cord into a properly wired receptacle before using this instrument The proper grounding of this instrument is essential for safety an
33. ote that this switch turns on both line and battery power Charging the Battery Cells Prior to battery operation it is recommended the R1iL BR1 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 Q With the Range Switch set to lower ranges the charge rate decreases and the batteries will be discharged especially on the 2 mQ range even with no resistance connected to the instrument However the discharge rate in this range will permit operation for at least 14 hours with no resistance connected WARNING ALTHOUGH THE FRONT PANEL IS NORMALLY GROUNDED VIA THE GROUND PIN OF THE POWER CABLE IF THIS CONNECTION IS FAULTY AND IF THE HIGH SIDE OF THE POWER CABLE IS SHORTED TO THE PANEL THE PANEL COULD POSSIBLY HAVE MAINS VOLTAGE ON IT SO DO NOT TOUCH THE PANEL WHEN POWER IS CONNECTED 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 2 2 TEGAM OPERATING INSTRUCTIONS SECTION 3 OPERATING INSTRUCTIONS RiL BR1i is designed for field or bench top operation Use appropriate cables connecting their terminations to the four binding posts marked I E E and I WARNING DO NOT TOUCH THE BINDING POSTS WHEN THEY ARE CONNECTED TO EXTERNAL CIRCUITS LETHAL VOLTAGES MAY BE PRESENT AT THESE POSTS 3 1 Rotary Sw
34. ration 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 3 2 TEGAM OPERATING INSTRUCTIONS NOTE The amount of current available for charging the battery decreases as lower resistance ranges are selected In the 2 mQ range the current supplied to the resistance under test exceeds the charging current and the battery will be drained To obtain the best accuracy allow the R1L BRi to warm up for 15 minutes on the 20 Q range before making measurements Even if in battery operation this will not cause appreciable battery discharge Using the Kelvin Clip cables Plug one Kelvin Clip cable dual banana plug across the E and I binding posts and plug the other Kelvin Clip cable dual banana plug across the E and I binding posts Note that in both cases the small I marked on the dual banana 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 center conductor to the E binding post It is also recommended that the resistance of the cables should not exceed 350 mQ conductor NOTE Particularly the 2 mQ range where a test curren
35. t of approximately 1 4 15 used excessive lead resistance will prevent an accurate measurement Set the Range Switch to the desired measurement range and read the resistance on the liquid crystal display If the resistance is higher than the selected range the display will show a 1 and three blank digits indicating over range The decimal point will also appear in the proper location for the selected range 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 e sales tegam com 3 3 TEGAM OPERATING INSTRUCTIONS After prolonged operation on battery power when the battery voltage approaches the end of its useful range the LO BAT indicator will be seen on the display Although the battery cells are not fully discharged and they will not be damaged by additional use this is a warning to the operator that the battery cells need to be charged Use of HTP 100 probes with R1L BR1 1 Connect the BLUE spade lug from the LEFT HTP 100 Probe to the RED E terminal of the R1L BR1 2 Connect the RED spade lug from the LEFT HTP 100 Probe to the RED I terminal of the R1L BR1 3 Connect the WHITE spade lug from the RIGHT HTP 100 Probe to the BLACK E terminal of the R1L BR1 4 Connect the BLACK spade lug from the RIGHT HTP 100 Probe to the Black I terminal of the RiL BR1 5 Hold the RED HTP 100 Probe in your left hand and the WHITE HTP 100 Probe in your right hand and push the probe points against the surf
36. t expected to require replacement is the battery The battery designation is listed the Replacement Parts List with battery cell removal and installation instructions given in section 2 2 UI rer 11 1021 R151 gt N gt 5 m 5 U eon Figure 2 Parts Layout 10 TEGAM WAY GENEVA 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 8 MAINTENANCE TEGAM 90 a NOI 11015550 19845 WSISSLONOSONVU3ISNOOSON ONTIOULNOO SHL ar St AS seinen i 640151530 3DNVH 0061 3dVHS 01102 133HS 551 S3LNOY WOISAHd 808 35138 HV3N 3AON s oO 9 eer oost 203 gt 6N JNIS i SHOLSISSY GSLVIOOSSV 9 ZEH 0248 0248 05 505 gt 119904070 an 1910 S 34109109
37. tandoffs 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 6 Preparation for Shipment The original shipping carton is not reusable Remove the battery cells prior to shipment or inactive storage of 30 days or more and package them separately Disassemble the RiL BR1 as per section 5 5 and extract the negative end of the battery cells first Packaging must provide sufficient resilient material in accordance with standard packaging practices to prevent excessive shock to the power supply and display during shipment 5 7 Overhaul Instructions R1L BRi is all solid state unit and requires periodic overhaul other than routine cleaning inspection of cables per section 5 and calibration per section 5 4 10 TEGAM WAY GENEVA 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 7 TEGAM However some disassembly is required to 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 BR1 are listed in section 5 3 Troubleshooting suggestions are given in section 5 5 The only componen
38. tery terminal Test Current Regulator The test current is controlled to a constant value for each range with a feedback loop The main loop amplifier is U9A The output of U9A controls the conduction of Qi using Q2 such that if the output voltage of U9A increases the test current increases The inputs of U9A compare the voltage across the current sensing resistor string with a 3 volt reference voltage produced by U4 the voltmeter IC The voltage across the sensing resistor string is maintained at 1 5 V half the of the reference voltage because 9 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 4 1 TEGAM PRINCIPLES OF OPERATION R11 are twice the value of R8 and R9 The reference voltage of V is present between the VREF signal at one end of R9 and the 3 6 V power supply present at one end of R11 The voltage at one end of the sensing resistor string is present at U11A pin 1 which feeds R8 The voltage at the other end of the sensing resistor string is present at U11B pin 7 which feeds R10 U11A U11B are very high input impedance buffer amplifiers which sense the voltage across the current carrying portion of the sensing resistor string without causing errors the test current R127 R129 and CR1 provide overvoltage input protection for pin 3 of U11A and similarly R46 R128 and CR2 for U11B U2B will shut off the current source if the voltage on the I
39. units manufactured after November 2013 Please contact TEGAM if your instrument is purchased prior to that date Precision four terminal resistors with accuracy of 0 05 or better 1 mQ 1 9 19 190 1 9 Q and 19 Q A standard 4 digit digital voltmeter with 2 V range accuracy better than 0 03 of reading 1 count Screwdrivers Medium Phillips and small slotted for trim pot adjustment Three 20 AWG approximately 4 inch long Bus Wires Four 18 AWG Wires or dual wire cable approximately 2 feet long with clips 5 4 Calibration CAUTION SAFETY PRECAUTIONS MUST BE TAKEN WHEN HANDLING THIS INSTRUMENT WHEN THE LINE CORD IS PLUGGED IN AND THE R1L BR1 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 THE OPERATOR AND OR DAMAGE THE R1iL BR1 A Preparation 1 Remove the front panel assembly from the case by removing the ten retaining screws Retain the ten screws for reinstallation 2 Install a new set of approved batteries into the UUT as required Observe polarity 3 Plug UUT in and turn on setting the range switch to 20Q range allow a 14 hour charge time Skip this step if batteries have already been charged 4 After the UUT has been charged unplug the UUT 5 Allow a 10 minute COOL DOWN 10 TEGAM WAY GENEVA 44041 440
40. with push pin probes and Kelvin alligator clips all housed within a ruggedized case It can accurately make measurements with a resolution of 1 uQ It has full scale ranges from 2 to 20 Q 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 Full Resolution Test Current Range scale 0 2 Peak A 1 1 999 m 1 1 4 2 19 99 10 u 140 3 199 9 100 u 14 4 1 999 1 4 5 19 99 10 140 u Table 1 Specifications Accuracy Accuracy on all ranges 0 25 of reading 1 count when powered from the batteries only 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 1 1 TEGAM INSTRUMENT DESCRIPTION 1 3 Description of Equipment Physical The circuitry is enclosed in a rugged case Dimensions 14 1 in 358 mm W x 10 6 in 269 mm D x 6 1 in 155 mm H Weight with accessories is 4 45 kg 9 8 15 Controls and connectors of a size and spacing such that the instrument may be operated while wearing safety gloves Electrical R1L BR1 is powered by an internal battery consisting of three rechargeable NiCad
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