Tegam R1L-B Instruction Manual Download Page 5 | Manualshive

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10 TEGAM WAY • GENEVA, OHIO 44041 • 440

-

466

-

6100 • FAX 440

-

466

-

6110

•

[email protected]

1-3

INSTRUMENT DESCRIPTION

WARNING

DO NOT TOUCH THE BINDING POSTS WHEN THEY ARE

CONNECTED TO EXTERNAL CIRCUITS. LETHAL

VOLTAGES MAY BE PRESENT AT THESE POSTS.

Figure 1: Front Panel Controls

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Summary of Contents for R1L-B

Page 1: ...tion Date November 2013 REV F 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 po...

Page 2: ...eral Theory of Operation 3 2 4 PRINCIPLES OF OPERATION Principles of Operation 4 1 5 MAINTENANCE Inspection 5 1 Cleaning 5 1 Test Equipment required for Calibration and Repair 5 1 Calibration 5 2 Trou...

Page 3: ...its the decimal point is also displayed in its normal position for the range selected A rugged version Model R1L BR is also available which is electronically identical to model R1L B but it has a rugg...

Page 4: ...via a removable line cord one end of which plugs into a line filter on the front of the R1L B and the other end being a standard three pin grounded line plug Input Protection The R1L B will not be dam...

Page 5: ...40 466 6100 FAX 440 466 6110 sales tegam com 1 3 INSTRUMENT DESCRIPTION WARNING DO NOT TOUCH THE BINDING POSTS WHEN THEY ARE CONNECTED TO EXTERNAL CIRCUITS LETHAL VOLTAGES MAY BE PRESENT AT THESE POST...

Page 6: ...ual P N R1L B 900 01 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 B co...

Page 7: ...that all items are present If any items are missing notify TEGAM immediately 2 2 Preparation for Use Battery Installation Note that the instrument is shipped with its battery removed Unwrap the 3 cel...

Page 8: ...h Note that this switch turns on both line and battery power Charging the Battery Cells Prior to battery operation it is recommended the R1L B Microohmmeter be plugged into AC power for at least 14 ho...

Page 9: ...ounts 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 re...

Page 10: ...tem under test utilizing Ohm s law and displays it on a 3 digit display Kelvin Klip Cable Description A Kelvin clip consists of two opposing jaws of an alligator style clip which are insulated from ea...

Page 11: ...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 ca...

Page 12: ...rged Use of HTP 100 probes with R1L B 1 Connect the BLUE spade lug from the LEFT HTP 100 Probe to the RED E terminal of the R1L B 2 Connect the RED spade lug from the LEFT HTP 100 Probe to the RED I t...

Page 13: ...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...

Page 14: ...ery stable but not adjustable The 1 4 A current 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 th...

Page 15: ...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 conve...

Page 16: ...ng The instrument should be cleaned periodically as is necessary using mild soap and a damp cloth both followed by second damp rinsing cloth Clean the LCD window using a soft cloth moistened with wate...

Page 17: ...imately 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 B HAS BEEN REMOVED FROM ITS CASE TO E...

Page 18: ...reading on the voltmeter reads between 1 0 to 1 5 VDC 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 porti...

Page 19: ...at 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...

Page 20: ...lue 3 counts 0 003 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 m stan...

Page 21: ...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 approximately 4 5 VDC...

Page 22: ...lder Remove the two screws from the lower corners of the PCB and the two standoffs from the upper corners of the PCB Remove the four nuts from the binding post Disconnect the connectors from the remot...

Page 23: ...install the batteries This level of disassembly is detailed in section 5 5 and battery cells should be removed at the negative end first Tools and test equipment used for disassembly calibration and t...

Page 24: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 9 MAINTENANCE Figure 3 Digital Section...

Page 25: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 10 MAINTENANCE Figure 4 Digital Section...

Page 26: ...C 606 4 7UF 10 1 C28 10000p F CAP CER 250VAC RAD_7 5MM DE2F3KH10 3MA3B MURATA C 595 10000PF 11 4 C30 C31 C32 C33 0 1uF CAP CER 0 1UF 50V X7R 1206 C1206C104 K5RAC KEMET 150036 12 4 CR1 CR2 CR3 CR4 BAV...

Page 27: ...1 R137 R138 150K RES THICK FILM 0 1 1 8W 0805 ERA 6AEB154V PANASONIC R 638 150K 33 2 R32 R53 500 RES TRIMMER 1 4W 12 TURN 4mm SQ SMD 3224G 1 501E BOURNS RP 103 500 34 1 R33 174K RES THICK FILM 1 1 8W...

Page 28: ...K RES THICK FILM 1 1 4W 1206 ERJ 8ENF1962V PANASONIC R 515 19 6K 56 1 R153 196K RES THICK FILM 1 1 4W 1206 ERJ 8ENF1963V PANASONIC R 515 196K 57 2 SO6 SO60 SIP 20 CONN SIL SOCKET 0 472 STANDOFF HEIGHT...

Page 29: ...TV102 HO 30 HARD CASE R1L B ACCES AR EA PACKATEERING 52948 MC 1058 R1L B ACCES CONT LABEL AR EA METAL CRAFT MIL STD 130 UID LABEL AR EA METAL CRAFT Part Number R1L B 040 Part Number Part Description R...

Page 30: ...4 40 HEX NUT 18 8 MS3533 8 135 WSH LOCK 4 15 EA MPT FASTENER 45T10 NON MIL EQUAL BY DESC 6168 WIRE N18 STR GRN TFLN AR FT BIRNBACH 71002 8518 19 GRN BELDEN WIRE AND CABLE 3HXC8 83029 005100 TEGAM INC...

Page 31: ...TENER 45T10 NON MIL CERT MS51957 15 IN 17 2X3 5 INSULATOR 1 EA TEGAM INC 49374 LOCTIT E263 LOCTITE 263 HI STG THRD AR EA LOCTITE 05972 263 Part Number R1L B 200 Part Number Part Description Qty UM Man...

Page 32: ...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 8T04...

Page 33: ...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...

Page 34: ...dite 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 Rep...

Page 35: ...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...

Page 36: ...uential 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 a...

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