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

• 

[email protected]

  

5-5

 

MAINTENANCE 

2.

 

Connect a 190 m

 standard to the UUT using the clip 

leads. 

3.

 

Adjust R51 for a display reading of the actual 

standards value ±3 counts (±0.3 m

Ω)

 on the display 

of the UUT, typically 190.0.  Allow adequate time for 

any thermals to dissipate and the unit to quit drifting. 

4.

 

Disconnect the resistance standard. 

5.

 

Connect a 19 m

 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.

 

 

Adjust

 

 

1.

 

Set the range switch to 2 

 on the UUT. 

2.

 

Connect a 1.9 

 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 m

 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.

 

20 

 

Adjust

 

 

1.

 

Set the range switch to 20 

 on the UUT. 

2.

 

Connect a 19 

 standard to the UUT using the clip 

leads. 

3.

 

Adjust R114 for a display reading of the actual 

standards value ±3 counts (±0.03 

Ω)

 on the display 

of the UUT, typically 19.00.  Allow adequate time for 

any thermals to dissipate and the unit to quit drifting. 

4.

 

Disconnect the resistance standard. 

5.

 

Connect a 1.9 

 standard to the UUT using the clip 

leads. 

Содержание R1L-BI

Страница 1: ...900 Publication 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 curren...

Страница 2: ...Switch 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 S...

Страница 3: ...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 Model R1L BIR is electronically identical t...

Страница 4: ...Weight is 1 6 kg 3 6 lb R1L BIR 127 mm 5 x 254 mm 10 x 228 mm 9 Weight is 3 kg 6 7 lb Controls and connectors are of a size and spacing such that the instrument may be operated while wearing safety gl...

Страница 5: ...a temperature range from 0 C to 50 C 75 RH non condensing up to 3050 m altitude Front Panel Controls and Displays See figures 1a and 1b RANGE Switch The rotary 5 range selector switch may be used to s...

Страница 6: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 1 4 INSTRUMENT DESCRIPTION Figure 2a R1L BI Front Panel Controls...

Страница 7: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 1 5 INSTRUMENT DESCRIPTION Figure 2b R1L BIR Front Panel Controls...

Страница 8: ...e 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 S...

Страница 9: ...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 t...

Страница 10: ...ssing notify TEGAM immediately 2 2 Preparation for Use Battery Installation Note that the instrument is shipped with its battery removed Unwrap the 3 cells which comprise the battery Be sure the power...

Страница 11: ...ary switch Note that this switch turns on both line and battery power Charging the Battery Cells Prior to battery operation it is recommended the R1L BI R1L BIR Microohmmeter be plugged into AC power...

Страница 12: ...git 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 po...

Страница 13: ...BI R1L BIR then calculates the resistance of the item 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...

Страница 14: ...ross 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 cab...

Страница 15: ...need to be charged Use of HTP 100 probes with the R1L BI R1L BIR 1 Connect the BLUE spade lug from the LEFT HTP 100 Probe to the RED E terminal of the R1L BI R1L BIR 2 Connect the RED spade lug from t...

Страница 16: ...elected 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 Th...

Страница 17: ...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 approximate...

Страница 18: ...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 ad...

Страница 19: ...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 W...

Страница 20: ...NSTRUMENT WHEN THE LINE CORD IS PLUGGED IN AND THE R1L BI R1L BIR HAS BEEN REMOVED FROM ITS CASE TO ENSURE THAT CONTACT IS NOT MADE WITH THE AC POWER CONNECTIONS OR OTHER POTENTIALLY HARMFUL POINTS FA...

Страница 21: ...AC and turn on 4 Verify the 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...

Страница 22: ...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 sa...

Страница 23: ...e UUT using the clip leads 3 Adjust R49 for a display reading of the actual standards value 3 counts 0 003 on the display of the UUT typically 1 900 Allow adequate time for any thermals to dissipate a...

Страница 24: ...d 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 replac...

Страница 25: ...ttery holder board and the connector from the AC line connector Remove the fours screws from the battery holder Remove the two screws from the lower corners of the PCB and the two standoffs from the u...

Страница 26: ...remove and 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 calibr...

Страница 27: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 9 MAINTENANCE Figure 3 Parts Layout...

Страница 28: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 10 MAINTENANCE Figure 4 Digital Section...

Страница 29: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 11 MAINTENANCE Figure 5 Analog Section...

Страница 30: ...250VAC RAD_7 5MM DE2F3KH103 MA3B MURATA C 595 10000PF 12 4 C30 C31 C32 C33 0 1uF CAP CER 0 1UF 50V X7R 1206 C1206C104K 5RAC KEMET 150036 13 4 C34 C35 C37 C38 0 01 f CAP CER 0 01UF 50V X7R 0805 C0805C...

Страница 31: ...4 2 R32 R53 500 RES TRIMMER 1 4W 12 TURN 4mm SQ SMD 3224G 1 501E BOURNS RP 103 500 35 1 R33 174K RES THICK FILM 1 1 8W 0805 ERJ 6ENF1743V RC0805FR 07174KL PANASONIC YAGEO R 618 174K 36 2 R43 R44 499K...

Страница 32: ...CK FILM 1 1 4W 1206 ERJ 8ENF1963V PANASONIC R 515 196K 58 2 R154 R156 2 0M RES THICK FILM 1 1 8W 0805 ERJ 6ENF2004V PANASONIC R 618 2 0M 59 2 SO6 SO60 SIP 20 CONN SIL SOCKET 0 472 STANDOFF HEIGHT 20 P...

Страница 33: ...49374 RTV102 SILICONE RUBBER SEALANT AR EA GE SILICONES L3160 RTV102 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...

Страница 34: ...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 908 123...

Страница 35: ...STANDOFF 4 40X3 4 HEX 4 EA MCMASTER CARR 0KVE6 91780A745 MS35338 137 WSH LOCK SPLT 8 4 EA TEGAM INC 49374 50626 TEGAM INC 49374 NAS1676C8 MPT FASTENER 45T10 NON MIL EQUAL BY DESC R1LB 320 FRONT PANEL...

Страница 36: ...00 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...

Страница 37: ...74 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 ST 335 STANDOFF 4 40X3 4 HEX 4 EA MCMASTER CARR 0KVE6 91780A74...

Страница 38: ...Part Number Part Description Qty UM Manufacturer Cage Code Mfg Part 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...

Страница 39: ...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...

Страница 40: ...er 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 o...

Страница 41: ...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...

Страница 42: ...ll 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...

Страница 43: ...d 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...

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