Tegam R1L-D1 Operation And Maintenance Manual Download Page 1

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

•

[email protected]

R1L-D1

HIGH ACCURACY MICROOHMMETER

AND RTD MONITOR

MODEL R1L-D1

Operation and Maintenance Manual

PN# R1L-D1-900-01

Publication Date: March 2017

REV. H

Applies to serial numbers 10100 and above for units purchased under U.S. Government contract, and serial numbers

2010114R1L-D1 and above for all other units. This manual supersedes all revisions of Operation and Maintenance Manual

(Commercial Version), PN R1L-D1-900-02.

REPRODUCTION AND DISTRIBUTION OF THIS TECHNICAL MANUAL IS AUTHORIZED FOR US GOVERNMENT PURPOSES ONLY.

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,

please refer to

www.tegam.com

Summary of Contents for R1L-D1

Page 1: ...ent contract and serial numbers 2010114R1L D1 and above for all other units This manual supersedes all revisions of Operation and Maintenance Manual Commercial Version PN R1L D1 900 02 REPRODUCTION AN...

Page 2: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com R1L D1 Inside of Cover intentionally blank...

Page 3: ...LATION Unpacking and Inspection 2 1 Preparation for Use 2 1 3 OPERATING INSTRUCTIONS Pushbutton Functions 3 1 2 3 and 4 Wire Operation 3 3 4 MAINTENANCE Inspection 4 1 Cleaning 4 1 Test Equipment requ...

Page 4: ...er test in series with an internal precision calibrated resistor Two separate leads are used to measure the voltage drop across the external resistor this voltage is then compared with the voltage dro...

Page 5: ...ill affect the measurement accuracy When using 4 wire connections these effects are minimized When making 2 and 3 wire measurements even if all the test leads are of known value the variables of tempe...

Page 6: ...A of test current the voltage signal for 1 is only 0 05 V easily obscured by noise picked up in the leads Thus it should not be expected to read one count accurately on the low resistance ranges This...

Page 7: ...or a longer period Charging power consumption from nominal AC power line is less than 10 W average This instrument may be operated while connected to the AC line without damage Front Panel Controls an...

Page 8: ...inal characters to the right display the symbol with the prefix k or m as required for k or m Note that although the front panel lists the two lowest ranges as 0 2 and 2 for the sake of simplicity the...

Page 9: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 1 6 INSTRUMENT DESCRIPTION Figure 1 Front Panel Layout...

Page 10: ...uction Manual 1 5 Tools and Test Equipment Required for Maintenance Soldering iron solder Phillips No 1 2 screwdriver and a small flat bladed screwdriver Test equipment See Section 4 3 below 1 6 Stora...

Page 11: ...ted it may be difficult to open if there is an appreciable difference between internal and external air pressure Note that the instrument is shipped with its battery removed Unwrap the five NiCad C ce...

Page 12: ...ed Battery Installation Remove the ten screws around the outside edge of the panel which secure the instrument to the case The instrument may now be lifted out of the case by holding the binding posts...

Page 13: ...now charge for several hours 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 SHORTE...

Page 14: ...and one latching The MODE pushbutton selects 4 wire 3 wire or 2 wire operation When power is turned on it defaults to 4 wire operation Successive operations of this pushbutton will step the unit throu...

Page 15: ...manual ranging and set it to the lower range reading 20 000 counts The BACK LIGHT pushbutton turns on the back light behind the display to be used only in dim light because it does increase the drain...

Page 16: ...2 wire measurement should not be used with low value resistors without subtracting the resistance of the test leads Accuracy is reduced with 2 or 3 wire operation 3 wire measurement balances the resi...

Page 17: ...th both on the outside of the case and on the front panel No lubrication is required 4 3 Test Equipment Required for Calibration and Repair Calibration of the R1L D1 is recommended on a yearly basis a...

Page 18: ...st 2 The Model R1L D1 should default to 4 wire measurement and auto ranging when turned on For measurements of all five ranges listed below check readings via auto ranging and then repeat after steppi...

Page 19: ...resistor box to 0 1 and operate the R1L D1 Check that the R1L D1 reads between the resistor box 0 1 setting s actual value 0 065 m in Auto range Then step through the ranges to the 0 2 manual range an...

Page 20: ...attery Charging LED should re illuminate and stay ON 2 Unplug the AC line cord from the R1L D1 front panel Connect the Resistance Box to the R1L D1 Connect the 10 standard using 4 wire connection Remo...

Page 21: ...anel so you can observe its LCD readout Turn ON the DC Power Supply and turn ON the RIL D 7 Adjust the DC Power Supply voltage downward and verify the R1L D1 LCD reading does not vary by more than 1 c...

Page 22: ...nge and indicates 4 wire an asterisk for auto range and the resistance Resistance values should also appear on the PC screen 10 Type a lower case r and ENTER on the PC keyboard Verify a temperature se...

Page 23: ...adings are displayed on the PC screen Type CAL followed by the 10 digit calibration number followed by ENTER on the PC An example for this range might be CAL0000099860 followed by ENTER Wait to observ...

Page 24: ...and OFF and verify the displayed reading does not change by more than 1 count 21 Depress the R1L D1 Range button to manually place the R1L D1 in the 2 range Verify the R1L D1 LCD indicates 4OVER 2000...

Page 25: ...nal resistor Continue with the next section Assembly After removal of the instrument from its case the basic instrument consists of a front panel assembly a main printed circuit board assembly with a...

Page 26: ...lay U101 U111 Loose cable connector U201 Y201 Charge battery Check all five cells Adjust replace if bad Replace display Check for 5 V at Pin 2 If not replace U101 Check for 5 V at Pin 2 If not replace...

Page 27: ...packaging practices to prevent excessive shock to the power supply and display during shipment 4 8 Overhaul Instructions The Model R1L D1 is an all solid state unit and requires no periodic overhaul...

Page 28: ...thout the backlight on Operation on any of the three lowest resistor ranges will reduce this to approximately 24 hours and operation with the backlight on will reduce this to approximately 20 hours Th...

Page 29: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 4 13 MAINTENANCE Figure 2 Assembly Drawing...

Page 30: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 4 14 MAINTENANCE Figure 3 Battery Assembly Drawing...

Page 31: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 4 15 MAINTENANCE Figure 4 Main Board Parts Layout...

Page 32: ...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 33: ...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 34: ...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...

Page 35: ...ar 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 TEGA...

Page 36: ...10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com 5 5 SERVICE INFORMATION Contact Information TEGAM INC 10 TEGAM WAY GENEVA OHIO 44041 CAGE Code 49374 WEB http www tegam com...

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