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R1L-B
Instruction Manual
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Tegam R1L-B Instruction Manual

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Page 1
10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110
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MICROOHMMETER AND BOND
TESTER
MODEL R1 L-B
Instruction Ma nual
PN# R1L-B-900-01
Publication Date: November 2013
REV. F
REPRODUCTION AND DISTRI BU T ION OF THI S 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
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TABLE OF CONTENTS
1. INSTRUMENT DESCRIPTION
Purpose ............................................................... 1-1
Performance Characteristics ................................... 1-1
Description of Equipment ....................................... 1-2
Figure 1: Front Panel Controls ............................. 1-3
List of Items Furnished .......................................... 1-4
Storage and Shipping Requirements ........................ 1-4
2. PREPARATION FOR USE AND INSTALLATION
Unpacking and Inspection ...................................... 2-1
Preparation for Use................................................ 2-1
3. OPERATI NG INSTRUCTIONS
Pushbutton Functio ns ............................................ 3-1
General Theory of Operation ................................... 3-2
4. PRINCIPLES OF OPERATION
Principles of Op eration ........................................... 4-1
5. MAINTENANCE
Inspection ............................................................ 5-1
Cleaning .............................................................. 5-1
Test Equipment required for Calibration and Repair ... 5-1
Calibration ........................................................... 5-2
Troubleshooting .................................................... 5-6
Table 2: Fault Symptoms and Repair Actions ........ 5-6
Preparation for Shipment ....................................... 5-7
Overhaul Ins t ructions ............................................ 5-8
Figure 2: Pa rt s La y ou t ........................................ 5-8
Figure 3: Digital Section ..................................... 5-9
Figure 4: Digital Section ................................... 5-10
Table 3: Parts List – Main Board Assembly .......... 5-11
Table 4: Parts List – Front Panel Assembly .......... 5-14
Table 5: Vendor Cage Code Directory ................. 5-17
6. SERVICE INFORMATION
Preparation for Repair or Calibration Service ............. 6-1
Expedite Repair and Calibra
tion Form ...................... 6-2
Warranty .............................................................. 6-3
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1-1
INSTRUMENT DESCRIPTION
SECTION 1
INSTRUMENT DESCRIPTION
INTRODUCTION
1.1 Purpose
The Model R1L-B is a digital Microohmmeter / Bond Tester with full scale ranges from 2 mΩ to 20 Ω. The resistance reading is displayed on a 3½ 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). A rugged version, Model R1L-BR is also available, which is electronically identical to model R1L-B, but it has a rugged case as the enclosure rather than an open front panel.
1.2 Performance Characteristics
This is a range-selection instrument, with a rotary 5 range selector swit ch .
Range
Full
Scale (Ω)
Resolution
(Ω)
Test Current
Peak (A)
1
1.999 m
1 µ
1.4
2
19.99 m
10 µ
140 m
3
199.9 m
100 µ
14 m
4
1.999
1 m
1.4 m
5
19.99
10 m
140 µ
Table 1: Specifications
Accuracy: Accuracy on all ranges: ± (0.25% of reading + 1 count), when powered from the batteries only.
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1-2
INSTRUMENT DESCRIPTION
1.3 Description of Equipment
Physical: The circuitry is enclosed in a rugged bench top case.
Dimensions: 101 mm (4”) x 292 mm (11.5”) x 203 mm (8”). Weight is 1.6 kg (3.6 lb). Controls and connectors are of a size and spacing such that the instrument may be operat ed while wearing safety gloves.
Electrical: The R1L-B is powered by an internal battery consisting of three rechargeable NiCad ‘C’ cells (3000 mAh) with a built-in charg er. Input power fo r the charger i s 90 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 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 damaged by a signal of 1 Vp-p applied acros s any pa ir of in pu t term inals.
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 Co nt rols and Displ a ys (See figure 1)
RANGE Switch
. The rotary 5 range selector switch may be
use d to step through all five ranges.
POWER Switch. Used to turn the power on or off to the
instrument.
DISPLAY is a 3 ½ 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.
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INSTRUMENT DESCRIPTION
WARNING
DO NOT TOUCH THE BINDING POSTS WHEN THEY ARE CONNECTED TO EXTERNAL CIRCUITS. LETHAL
VOLTAGES MAY BE PRESENT AT THESE PO STS .
Figure 1: Front Panel Controls
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INSTRUMENT DESCRIPTION
1.4 List of Items Furnished
1 each Model R1L-B with power cord 3 each rechargeable battery cells (P/N: BA-110) 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)
1 each R1L-B Instruction Manual (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, could damage the liquid crystal display. Care should be taken to prevent damage to associated cables.
The R1L-B should be stored in a relatively dust-free environment. 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 5.7 below for shipping requirements.
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2-1
PREPARATION FOR USE AND INSTALLATION
SECTION 2
PREPARATION FOR USE AND INSTALLATION
2.1 Unpacki ng an d Inspection
Upon receipt, the R1L-B 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.
• If any dents, broken, or loose parts are seen, do not use the equipment. Notify TEGAM immediately.
• Check that all items are present. If any items are missing,
notify TEGAM imme dia te ly.
2.2 Preparation fo r Use
Battery Installation
Note that the instrument is shipped with its battery removed. Unwrap the 3 cells which comprise the battery.
Be sure th e power l ine cord is discon nected. C heck that t he Power Swi t ch is in the OFF p osition. Rem ov e t h e fou r screws at the corners of the R1L-B’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 pane l.
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.
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PREPARATION FOR USE AND INSTALLATION
CAUTION
BE SURE TO OBSERVE THE PROPER POLARITY WHEN INSERTING THE BATTERY CELLS OR DAMAGE MAY RESULT.
Insert the battery cells, one at a time, in accordance with the polari ty 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 four corner screws.
Power Up
Plug the power cord into the R1L-B 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. Note that this switch turns on both line and battery power.
Charging the Ba tt ery Cells
Prior to battery operation, it is recommended the R1L-B Microohmmeter be plugged into AC power for at least 14 hours to charge the battery cells. To charge the battery cells, the Power Sw itch must be turned ON, and the Ran ge Switch should be set to 20 Ω. With the Range Switch set to lower ranges, the charge rate decreases and the batteries will be di scharged, especi ally on th e 2 mΩ range, even with no resistance connected to the instrument. (However, the discharg e rate i n thi s range wil l permi t opera tion for at l east 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 F AULTY 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 AC POWER IS CONNECTED.
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3-1
OPERATING INSTRUCTIONS
SECTION 3
OPERATING INSTRUCTIONS
The R1L-B is designed for bench-top operation. Use the cables connect ing their banana plug terminations to the four binding posts marked +I, +E, -E, and -I.
3.1 Rotary Switch Functions
Operati on of the Mod el R1L-B is extremely si mple. There ar e only two switches.
The RANGE rotary switch manually scrolls through the five ranges.
Full scale on any range may b e described as 2,0 00 (actually 1,999), since this is a 3½ digit meter. If the readings are exceeding 1,999 counts, step to th e n ext h igher range. If the readings are less t han 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 swi tch turn s on the power to ope rate the unit or turns off the power to the unit. The ap peara n c e o f t h e display will show that power is on; absence of the display indica t es t h at ei t h er power is off, b at t e ries are discharged, or there is some malfunction. Note that when power is turned off, it may take several sec onds to disch arge circuit capacity to completely blank the display. The black markings seen have no effect and disappea r when power is turned back on.
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OPERATING INSTRUCTIONS
3.2 General Theory Of Operation
Measurement P rinciple
A 4-terminal measurement method is used to determine the resistance of the item under test. This method allows the accurate m easurement of l ow values of resi stance i n spite of the other resistances present in the connection leads. A known current is supplied to the it em unde r test via two w ire leads conn ected to th e +I and -I binding posts on the R1L-B Microohmmeter front p anel. Tw o other wire le ads connected to the +E and -E binding posts on the R1L-B front panel sense the vol tage dev eloped acro ss the resi stan ce under te st due to th e suppl ied k nown cu rrent . The R1L-B t hen calculates the resis tance of the item under test utilizing Ohm's law, and displays it on a 3 ½ digit display.
Kelvin Klip Cable Description
A Kelvin clip consists of two opposing jaws of an alligator style cl i p whi ch ar e in sula ted f rom each oth er, 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 vol t ag e at the test p oint. The t wo jaws a re spring loaded to clamp onto a cylinder of ½ inch diameter or less.
WARNING
OPERATING THE R1L-B MICRO
OHMMETER AND TAKING
RESISTANCE
MEASUREMENTS ON A POWERED OR
ENERGIZED COMPONENT COULD CAUSE SERIOUS HARM TO THE OPERATOR AND/OR DAMAGE THE R1L-
B. BE
SURE THE ITEM TO BE MEASURED IS DISCONNECTED
FROM OTHER COMPONENTS AN D AP PARATUS.
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 R1L-B may be operated while charging the batteries, however it will not conform to specifications in this configuration.
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OPERATING INSTRUCTIONS
NOTE: The amount of current available for charging the battery decreases a s lower resistance ranges are selected. In the 2 mΩ 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-B to warm up for 15 minutes on the 20 Ω range bef or e m a king measur em en t s. Even if in battery operation, this will not cause appreciable battery discharge.
Using the Kel vin-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 bind ing 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 paragra ph, one c abl e shoul d ha ve its sh iel d conn ected 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 1 Ω.
NOTE: Particularly in the 2 mΩ range, where a test current of approximately 1.5 A is used, excessive lead resistance will prevent an accurate measurement.
Set the Ran ge Sw i tch to the d esired measu rem en t ran ge an d read the resistance on the liquid crystal display. If the resistan ce is higher than t he selected range, t he 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.
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3-4
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-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+ terminal of the R1L-B.
3. Connect the WHITE spade lug from the RIGHT HTP-100
Probe to the BLACK E- terminal of the R1L-B.
4. Connect the BLACK spade lug from the RIGHT HTP-100
Probe to the Black I- terminal of the R1L-B.
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 surface to be measured with sufficient force to cause the points to retract slightly.
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4-1
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, U1, R1, R2 and R101 form a constant current regulator set to approximately 758 mA for charging the battery. D 5 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 U5.
Test Current Path The test current used to perform the resistance
measurement originates from the battery + terminal connected to the +3.6 V powe r symbol at the emi tter of Q1. It flows through Q1 into the COM1 terminal of SW1 and out of the termi nal 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. Th e ex t ernal tes t l ead s conduct the current through the resistance being measured and back to the I- test jack, where it returns to ground and then to the battery ­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 Q1 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 value of the reference voltage because R9 and
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4-2
R11 are tw ice th e valu e of R8 a nd R9. The referenc e voltage of 3 V is present between the VREF signal at one end of R9 and the +3.6 V power s upply present at one end of R11. The voltage at one en d of the s ensi n g resi st or st ri ng i s presen t 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 and U11B are very high input impedance buffer ampl ifiers which sens e the voltage across the cur rent carrying portion of the sensing resistor string without causing errors in 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+ 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 V reference developed by U4 and to a minor extent other circuit components. The t est currents on the f our 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 poss ib le.
Voltage Measurement The voltage across the resistance being measured is
amplified by U10A, U10B and U9B. The E+ and E- test ja cks 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 and CR4 provide overvoltage input protection. U10A, U10B, R132, R133 and R134 provide a 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
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4-3
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 volt age 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 anal og to di gital conversi on refe rence to pin 44. R143 provides an adjustable zero reading.
Display U4 direct ly dri ves th e LCD, e xcept for th e deci mal 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.
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5-1
MAINTENANCE
SECTION 5
MAINTENANCE
5.1 Inspection
These units should be inspected semi-annually. Cables should be periodically 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 both followed by 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 scrat ch the displ ay window.
DO NOT apply
significant pressure to the LCD 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-B is recommend ed on a yea rly 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.
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5-2
MAINTENANCE
(The calibration proc edure and schematics provided in this manual are for the surface mount units manufactured after November 2013. Please contact TEGAM if your instrument is purc ha s ed pr ior to that date.)
Precision four terminal resistors with accuracy of 0.05% or better: 1 mΩ, 1.9 mΩ, 19 mΩ, 190 mΩ, 1.9 Ω, and 19 Ω
A standard 4 ½ digit digital voltmeter: with 2 V range, accuracy better than 0.03% of reading ±1 count.
Screwdri vers: Medium Phillips and small slotted for trim-pot adjustment.
Three 20 AWG approximately 4 inch long Bus W ires 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 L INE CORD IS PLUGGED IN
AND THE R1L-
B 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 H
ARM TO THE
OPERATOR AND/OR DAMAGE THE R 1L-B.
A. Preparation
1. Remove the front panel assembly from the case by removing the four retaining screws. Retain the four 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 20 Ω 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.
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MAINTENANCE
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 Ω 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 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 fro m 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 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 sign ificant digit.
6. Repeat steps 4 and 5 for all remaining ranges.
7. Disconnect the buss wires from the UUT.
D. 2 mΩ Adjust (Main Gain Adjust)
1. Set the range switch to 2 mΩ on the UUT.
2. Connect a 1.9 mΩ standard to the UUT using the clip leads.
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5-4
MAINTENANCE
3. Adjust R32 for a display reading of the actual standards value ±3 counts (±0.003 mΩ) 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 mΩ 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 satisfacto ry 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 UUT using the clip leads.
3. Adjust R53 for a display reading of the actual standards value ±3 counts (±0. 0 3 mΩ) 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 mΩ 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 stand ard .
F. 200 mΩ Adjust
1. Set the range switch to 200 mΩ on the UUT.
2. Connect a 190 mΩ standard to the UUT using the clip leads.
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5-5
MAINTENANCE
3. Adjust R51 for a display reading of the actual standards value ±3 counts (±0. 3 mΩ) 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 mΩ 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 Ω Adjust
1. Set the range switch 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 display of the UUT displays the actual standard value ±2 counts.
7. Disconnect the resistance standard.
H. 20 Ω Adjust
1. Set the range switch to 20 Ω on the UUT.
2. Connect a 19 Ω 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 Ω 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.
Page 21
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5-6
MAINTENANCE
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
Component
Repair
No Display
Batteries Power cord Power switch U6
Check for batteries installed & polarity. Check the power cord is plugged in. Check the power switch is ON.
Check for a square wave between pin 4 & 40 of U4, if present, replace U6.
Battery won’t charge
Connections
Batteries Fuse Fuse (F1) U1
R1/R101
D5
Remove battery cells and bend contact arms
inward to ensur e better c ontact with the b attery cells. Clean connections if require d. Try a new set of batteries. Check fuses. Chec
k for 12 VDC across C1. If not check for
mains on pins 1 & 2 of U8. If not re place U8. If ok, check for aprox. 6 VDC (ref. to commo n) at the output of U1. If not, replace U1. If above ok, check for
approximately 4.5 VDC
(ref. to common) at the anode of D5,
if not,
replace R1/R101.
If above ok, check for approximately 3.6 VDC
(ref. to common) at the cathode of D5, if not,
replace D5.
Display reads zero with cables connected to a good resistor
Current o/p Kelvin Clip
U9/U11/Q1
U10/U9
Check for prop er c urrent o/p between +I and -I.
If above ok, check the Kelvin cable for
continuity from each side to the banana plug .
If no current, troubleshoot the const. current
circuit and rep lace U11 or other component(s ) if defective. If the current and cables are b oth ok, che ck 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.
Page 22
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5-7
MAINTENANCE
Disassembly
• First remove the line cord and any other connecting wires. Th en remov e the four sc rews at th e corner s of the top (display) panel. Carefully lift the unit out of its cabinet. Remove the three battery cells.
• Loosen th e set scr ews in the kn obs fo r the P ow er and Fu ll Scale switches, and remove these knobs.
• To separate the printed circuit board from the front panel, disconnect the connector from the battery 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 upper corners of the PCB. Remove the four nuts from the binding post. Disconnect the connectors from the remote U1 and Q1.
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 3 0 days or more) an d package them separately. Disassemble the R1L-B 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.
Page 23
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5-8
MAINTENANCE
5.7 Overhaul Instructions
The R1L-B is an all solid-state unit and requires no periodic overhaul, other than routine cleaning, inspection of cables per section 5, and calibration per section 5.4.
However, some disassembly is required to 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, calibration, and troubleshooting of the R1L-B are listed in section 5.3.
Troubleshooting suggestions ar e given in section 5.5. The only component expected to require replacement is the
battery. The battery designation is listed on the Replacement Parts List, with battery cell removal and installation instructio ns given in section 2.2.
Figure 2: Parts Layout
Page 24
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MAINTENANCE
Figure 3: Digital Section
Page 25
10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110
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5-10
MAINTENANCE
Figure 4: Digital Section
Page 26
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5-11
MAINTENANCE
Part Number: R1L-B-101
Item Qty
Part Reference
Value
Description
Manufactur
er P/N
Manufacturer
TEGAM
P/N
1
1
C1
220uF
CAP ALUM 220uF 35V F
EEE­1VA221UP
PANASONIC
C-328­220UF
2
6
C2 C3 C4 C9 C21 C26
0.1uF
CAP CER 50V X7R 0805
C0805C104 K5RACTU
KEMET
C-610-
0.1UF
3
4
C10 C11 C12 C13
6.8uF
CAP TANT 16V 10% EIAA
TR3A685K0 16C3000
VISHAY
C-606-
6.8UF
4
1
C18
1.0uF
CAP FILM(PEN)
1.0uF 100V
ECWU1105K CV
PANASONIC
C-335-
1.0UF
5
1
C22
1.0uF
CAP CER 50V
X7R 0805
GRM21BR71
H105KA12L
MURATA
C-
0805K-
1.0UF
6
1
C23
0.1uF
CAP FILM(PEN)
0.1uF 100V 2416
ECWU1104J C9
PANASONIC
C-630-
0.1UF
7
1
C24
0.47uF
CAP FILM(PEN)
0.47uF 16V 2416
ECWU1C474 JC9
PANASONIC
C-632-
0.47uF
8
1
C25
0.1uF
CAP FILM(PP)
0.1uF 250V
RAD_10MM
ECWF2104J
AQ
PANASONIC
C-514-
0.1UF
9
1
C27
4.7uF
CAP TANT 16V EIAA
TR3A475K0 16C1500
VISHAY
C-606-
4.7UF
10
1
C28
10000p F
CAP CER 250VAC RAD_7.5MM
DE2F3KH10 3MA3B
MURATA
C-595­10000PF
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
BAV23S
DIO FAST DUAL
200V 400mA
SOT-23-3
BAV23S-7-F
DIODES
INCORPORATED
DZ-228
13
1
D3
SS24
DIO SCHOTTKY
40V 2A SMB
SS24T3G
ON
SEMICONDUCT
OR
DZ-157
14
1
D5
ES1B
DIO FAST 100V 1A SMA
ES1B-13-F
DIODES INCORPORATED
DZ-172
15
1
D7
5.6V
DIO ZENER 5.6V 1W POWERDI123
DFLZ5V6
DIODES INCORPORATED
DZ-180
16
1
D9
1.5 AMP
DIO GP 400V
1.5A SMB
MRS1504T3
G
ON
SEMICONDUCT
OR
DZ-130
17
4
E+ E- I+ I-
MALE-FEMALE
THREADED HEX STAND-OFF /USES NUT­8/32GLD & WA-
242
92700A452
McMASTER-
CARR
ST-318
18
1
F1
2A
FUSE 2A 125VAC/DC 2410
CB61F2A
COOPER BUSSMANN
FU-25
19
1
J2
39-29­102
CONN HEADER
RIGHT ANGLE
2X1 4.2MM
39-29-102
MOLEX
CS-22
20
1
J3
640456
-
3
CONN HEADER
VERTICAL 1x3
2.54MM
640456-3
TE
CONNECTIVITY
CS-199
22
1
Q2
FMB222 2A
XSISTOR BJT
NPN DUAL 40V 500mA TSOT-23
-
6
FMB2222A
FAIRCHILD
SEMICONDUCT OR
TG-270
23
2
R1 R101
3.3
RES CARBON
FILM 5% 1W
MELF 0207
CMB02070X
3308JB200
VISHAY-
BEYSCHLAG
R-250-
3.3
Page 27
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5-12
MAINTENANCE
Item Qty
Part Reference
Value
Description
Manufactur er P/N
Manufacturer
TEGAM P/N
24
1
R2
100
RES THICK FILM
1% 1/8W 0805
ERJ-
6ENF1000V RC0805FR-
07100RL
PANASONIC
YAGEO
R-618-
100
25
5
R3 R4 R34 R35 R36
10.0K
RES THICK FILM
1% 1/8W 0805
ERJ-
6ENF1002V RC0805FR-
0710KL
PANASONIC
YAGEO
R-618-
10K
26
1
R5
1.00K
RES THICK FILM
1% 1/8W 0805
ERJ-
6ENF1001V RC0805FR-
071KL
PANASONIC
YAGEO
R-618-
1.0K
27
1
R6
4.99
RES THICK FILM 1% 1/8W 0805
RC0805FR­074R99L
YAGEO
R-618-
4.99
28
5
R7 R128 R129 R141 R142
499
RES THICK FILM 1% 1/8W 0805
ERJ­6ENF4990V
PANASONIC
R-618­499
29
8
R8 R10 R134 R135 R136 R147 R157 R162
15.0K
RES THICK FILM
0.1% 1/8W 0805
ERA-
6AEB153V
PANASONIC
R-638-
15K
30
4
R9 R11 R132 R133
31.6K
RES THICK FILM
0.1% 1/8W 0805
ERA­6AEB3162V
PANASONIC
R-638-
31.6K
31
1
R13
10.0K
RES THICK FILM
0.1% 1/8W 0805
ERA-
6AEB103V PFC­W0805LF­03-1002-B-
1739
PANASONIC
TT ELEC./IRC
R-638-
10K R-631­10K
32
3
R31 R137 R138
150K
RES THICK FILM
0.1% 1/8W 0805
ERA­6AEB154V
PANASONIC
R-638­150K
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 0805
ERJ-
6ENF1743V RC0805FR-
07174KL
PANASONIC
YAGEO
R-618-
174K
35
4
R43 R44 R154 R156
499K
RES THICK FILM
0.1% 1/8W 0805
ERA­6AEB4993V
PANASONIC
R-638­499K
36
2
R45 R47
18.0K
RES THICK FILM
0.1% 1/8W 0805
ERA­6AEB183V
PANASONIC
R-638­18K
37
4
R46 R127 R130 R131
1.00K
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF1001V
PANASONIC
R-515­1K
38
1
R48
1.00K
RES THICK FILM
0.1% 1/4W 1206
RG3216P­1001-B-T1
SUSUMU
R-550-
1.0K
39
1
R49
10K
RES TRIMMER
1/4W 12-TURN
4mm SQ SMD
3224G-1-
103E
BOURNS
RP-103-
10K
40
1
R50
100
RES METAL FILM
0.1% 1/2W AX
CMF55100R 00BEEB
VISHAY
R-169­100
41
2
R51 R143
1K
RES TRIMMER
1/4W 12-TURN
4mm SQ SMD
3224G-1-
102E
BOURNS
RP-103-
1K
42
1
R52
10.0
RES WW 1% 3W AX
43F10RE
OHMITE
R-275­10
43
1
R54
1.00
RES WW 1% 5W AX
45F1R0E
OHMITE
R-341-1
44
1
R114
100K
RES TRIMMER
1/4W 12-TURN
4mm SQ SMD
3224G-1-
104E
BOURNS
RP-103-
100K
45
1
R115
13.0K
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF1302V
PANASONIC
R-515­13K
46
1
R121
110K
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF1103V
PANASONIC
R-515­110K
Page 28
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5-13
MAINTENANCE
Item Qty
Part Reference
Value
Description
Manufactur er P/N
Manufacturer
TEGAM P/N
47
1
R125
154
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF1540V
PANASONIC
R-515­154
48
1
R126
1.30K
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF1301V
PANASONIC
R-515-
1.3K
49
4
R139 R145 R158 R159
150
RES THICK FILM
0.1% 1/8W 0805
ERA­6AEB151V
PANASONIC
R-638­150
50
1
R140
49.9K
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF4992V
PANASONIC
R-515-
49.9K
51
1
R144
0.0
RES THICK FILM
JUMPER 1/8W 0805
ERJ-
6GEY0R00V RC0805JR-
070RL
PANASONIC
YAGEO
R-618-0
52
1
R146
3.57K
RES THICK FILM
0.1% 1/8W 0805
ERA-
6AEB3571V RG2012P-
3571-B-T5
PANASONIC
SUSUMU
R-638-
3.57K R-617-
3.57K
53
1
R150
140
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF1400V
PANASONIC
R-515­140
54
1
R151
1.96K
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF1961V
PANASONIC
R-515-
1.96K
55
1
R152
19.6K
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF1962V
PANASONIC
R-515-
19.6K
56
1
R153
196K
RES THICK FILM 1% 1/4W 1206
ERJ­8ENF1963V
PANASONIC
R-515­196K
57
2
SO6 SO60
SIP-20
CONN SIL-
SOCKET 0.472" STANDOFF
HEIGHT 20-POS
316-93-120-
41-008000
MILL-MAX
SO-314-
20
58
2
SW1 SW2
2P6T
SW ROTARY DP 6-POS
C5P0206N-R
ELECTROSWITC H
SW-419
59
2
TP1 TP2
S1751­46R
TP LOOP SMD
S1751-46R
HARWIN INC.
CS-122
60
1
U10
OPA218 0
IC OPAMP DUAL
ZERO-DRIFT
SOIC-8
OPA2180ID
R
TEXAS
INSTRUMENTS
IC-352
61
2
U11 U9
OPA237 6
IC OPAMP DUAL
LOW NOISE
SOIC-8
OPA2376AI
D
TEXAS
INSTRUMENTS
IC-358
62
1
U2
LMC648 2
IC OPAMP DUAL CMOS SOIC-8
LMC6482IM/ NOPB
TEXAS INSTRUMENTS
IC-251
63
1
U4
MAX138
IC 3.5 DIGIT
ADC W/LCD
DRIVER QFP-44
MAX138CMH
MAXIM
IC-241
64
1
U5
7660
IC REGULATOR
SWITCHED CAP
SOIC-8
ICL7660ACB
AZA
INTERSIL
IC-809
65
1
U6
3.5DIGI T LCD
DISPLAY 3.5 DIGIT W/ ± AND LOBAT IND., USE W/ BACKLIGHT
35D050-
T3PBZ
FEMA ELEC.
DD-130
66
1
U7
4070B
IC QUAD 2-
INPUT XOR
SOIC-14
CD4070BM9
6
TEXAS
INSTRUMENTS
IC-863
67
1
U8
VOF­15
-12
PS 12VDC 1.25A
OPEN FRAME
PCB MOUNT
VOF-15-12
CUI INC
6
Table 3: Parts List – Main Board Assembly
Page 29
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5-14
MAINTENANCE
Part
Number
Part Description
Qty
UM
Manufacturer
Cage Code
Mfg Part
BA-110
BATT,C,NICAD,3000 mAh 3 EA
PANASONIC
0HF77
P-280CR
SANYO
00JU0
N-3000CR
Tenergy
55R99
20400
R1LB-040
FRONT PANEL ASSY
1
EA
TEGAM, INC
49374
HO-1
R1L-B ENCLOSURE
1
EA
BOPLA ENCLOSURES
C2317
UMP62014FP
CO-115
LINECORD
1
EA
VOLEX
U7112
17250-10-B1
KTL-100
CBL,DUAL-BAN­KKLIP,7'
1
EA
TEGAM, INC
49374
6X5/8PPH
SCW,SHT METL,#6X5/8 PPH
4
EA
MPT FASTENER
45T10
BY DESCRIPTION
12460
CABINET BACK
PANEL
1
EA
AMERICAN
METAL
SPECIALTIE
5JH28
PER PRINT
R1L-B­900-01
OPERATION MANUAL
1
EA
ACTIVITIES PRESS
R1L-B-900-01
R1L-B­841
CD MANUAL MILITARY
AR
EA
TEGAM, INC
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-STD­130
UID LABEL
AR
EA
METAL CRAFT
Part Number: R1L-B-040
Part
Number
Part Description
Reference
Qty
UM
Manufacturer
Cage
Code
Mfg Part
BP-50-0
BIND POST CON
GLD-PLT BLK
BP -I,
BP -E 2 EA
POMONA ELECTRONICS
5D6S9
3750-0
BP-50-2
BIND POST CON
GLD-PLT RED
BP +I,
BP +E
2
EA
POMONA ELECTRONICS
5D6S9
3750-2
CS-104
CON,DUL,BINDPO ST,BASE BLK
BP +I, +E,-I,-E
2
EA
POMONA ELECTRONICS
5D6S9
3862
PE-2
PWR ENTRY LINEFILTER 3A
LF1 1 EA
CORCOM
38AS8
3EEA1
TYCO\TE CONNECTIVITY
1Z830
6609000-4
FH-20
FUSE HLD PNL MNT 6.3X32MM
XF1 1 EA
LITTELFUSE
7E222
03453LF1H
FU-202
FUSE,1/4A 3AG SLOW BLOW
F1 1 EA
LITTELFUSE
7E222
313.25
LITTELFUSE
7E222
313.250HXP
IN-7
SIL-PAD,HEATPAD TO -220
2 EA
BERGQUIST
55285
3223-07FR­90
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
CE100F22-3­D
Page 30
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5-15
MAINTENANCE
Part
Number
Part Description
Reference
Qty
UM
Manufacturer
Cage Code
Mfg Part
210108
LUG,SOLDER,#4
1 EA
KEYSTONE ELECTRONICS
91833
908
12373
DISPLAY GASKET R1L-B 2
EA
GASKO
6R887
12373
ST-318
STNDOF,8-
32X1/2"HEX BRS
Z 4
EA
MCMASTER-CARR
0KVE6
92700A452
WA-244
WSH,#8
LOCK,GLD PLATED
4 EA
MPT FASTENER
45T10
BUY WIT
NUT-8/32 &
WA-242
NUT-
8/32GLD NUT,HEX,8-
32,GLD PLATED
4 EA
MPT FASTENER
45T10
BUY WITH
WA-242 &
WA-244
MS5195
7-13
SCR PH 4-40 X
1/4 LG 6
EA
MPT FASTENER
45T10
NON MIL
EQUAL BY
DESC
4-
40X1/2P
FHBLK
SCW,PFH,4/40X1/
2,SS,BLK
2 EA
MPT FASTENER
45T10
3538
NUT,HEX,4-40
6 EA
BEAVER BOLT
OB6M9
3538
MPT FASTENER
45T10
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
49374
079-145-5
TEGAM, INC
49374
600005
BELDEN WIRE AND CABLE
3HXC8
83009-10
TEGAM, INC
49374
079-145-10
TEGAM, INC
49374
600010
KN-106
KNOB,ROUND,KN URLED.6.4MM
2 EA
MULTICOMP/SPC
75498
MC21051
CS-21
CONN,PUSH ON
1 EA
MOLEX
KB925
39012020
CS-105
CONN,TERM,FEML E,18-24 AWG
2 EA
MOLEX
KB925
39-00-0039
015-317
IC VOLT REG ADJ
1 EA
FAIRCHILD SEMICONDUCTOR
4E8P4
LM317T
NATIONAL SEMICONDUCTOR
LM317T
TG-34
XISTOR,BIPOLAR, PNP 1
EA
MOTOROLA
TIP34
ST MICROELECTROIN CS
SCE76
TIP34C
TEGAM, INC
49374
079-148-8
TEGAM, INC
49374
600008
TX-20­3/16
TUBING SHRI NK 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,4­40X3/4 HEX
4 EA
MCMASTER-CARR
0KVE6
91780A745
Page 31
10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110
• sales@tegam.com
5-16
MAINTENANCE
Part
Number
Part Description
Reference
Qty
UM
Manufacturer
Cage Code
Mfg Part
MS3533 8-137
WSH LOCK,SPLT,#8
4 EA
TEGAM, INC
49374
50626
TEGAM, INC
49374
NAS1676C8
MPT FASTENER
45T10
NON MIL
EQUAL BY
DESC
R1LB­320
FRONT PANEL
1 EA
NUTRON NAMEPLATE
30236
R1LB-320
R1L-B­100
PC ASSY, R1L-B
1 EA
TEGAM, INC
49374
999920­000
WIR,20 AWG TFE BLACK
AR
EA
BELDEN WIRE AND CABLE
3HXC8
83007-010
999920­008
WIR,20 AWG TFE GREY AR
EA
BELDEN WIRE AND CABLE
3HXC8
83007-008
ST-317
STNDOF,4-40X.25 M/F STEE L
4 EA
MCMASTER-CARR
0KVE6
93620A430
R1L-B­200
PC ASSY R1L-B BATT BRD
1 EA
TEGAM, INC
49374
R1L-B­302
BATTERY RETAIN PLATE R1L-B
1 EA
AMERICAN METAL SPECIALTIE
5JH28
ST-215
STANDOFF,4­40X1.25F/F1/4H
2 EA
MCMASTER-CARR
0KVE6
91780A169
MS5195
7-15
SCR PH 4-40 X
3/8 LG 4
EA
MPT FASTENER
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
Manufacturer
Cage
Code
Mfg Part
R1L-B-172
PCB BATTERY BRD R1L-B
1
EA
ALPHA CIRCUITS
33TM7
R1L-B-172
BH-107
BATT HOLDER END "C" INSUL
6
EA
KEYSTONE ELECTRONICS
91833
87
EY-35
EYELET 3/32X0.156
12
EA
KEYSTONE ELECTRONICS
91833
35
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 AND CABLE
3HXC8
83003­3(ORNG)
TX-20-3/16
TUBING SHRI NK 3/16
AR
EA
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
2
EA
KEYSTONE ELECTRONICS
91833
9029
Table 4: Parts List – Front Panel Asse mb ly
Page 32
10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110
• sales@tegam.com
5-17
MAINTENANCE
Manufacturer
Cage Code
Manufacturer
Cage Code
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&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
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 MICROELECTRONICS
SCE76
GRAYHILL
81073
TEGAM, INC
49374
HARWIN INC.
06EX9
TEXAS INSTRUMENTS
8T904
ILLINOIS CAPACITOR
74840
TYCO
Z9V34
INTERSIL CORPORATION
K0331
TYTON
3E655
KEMET ELECTRONICS
31433
VISHAY
56845
KOA
59124
VOLEX POWER CORDS
U7112
LITTLEFUSE
7E222
Table 5: Vendor Cage Code Directory
Page 33
10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110
• sales@tegam.com
6-1
SECTION 6
SERVICE INFORMATION
Preparation for Calibration or Repair Service
Once you have verified that the cause for R1L-B malfunction cannot be solved in the field and the need for repair and calibrati on servi ce a ris es, cont act T E GAM cu sto mer s ervi ce t o 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 (All
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 technicians 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.
Page 34
10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110
• sales@tegam.com
6-2
Expedite Repair & Calibration Form
Use this form to provide additional repair information and service instructions. The Completion of this form and including it with your instru ment wil l expedi te the pro cessin g and repair process.
RMA#:
Instrument Model #:
Serial Number:
Company:
Technical Contact:
Phone Number:
Additional
Contact Info:
Repair Instructions:
Evaluation Calibration Only Repair Only Rep air & Cal ibr ation Z540
Detailed Sy m ptoms:
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.
Page 35
10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110
• sales@tegam.com
6-3
Warranty
TEGAM, Inc. warrants this product to be free from defects in material and workman ship for a p eriod of on e 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 se rvice cent er wi th shippin g charges p repaid . 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 locati ons. Rep aired produ cts ar e warran ted f or th e remai ni ng balance of the original warranty, or 90 days, whichever period is longer.
Page 36
10 TEGAM WAY • GENEVA, OHIO 44041 • 440-466-6100 • FAX 440-466-6110
• sales@tegam.com
6-4
Warranty Limitations
The 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 cause d by battery leakage. The foregoing warranty of TEGAM is in lieu of all other warranties, expressed or implied. TEGAM specifically disclaims any implied warranties of m erc han tab il ity or fi tn ess for a parti cula r purpose. In no even t wil l TEGAM be l iabl e for special or consequential damages. Purchaser’s sole and exclusi ve remedy in the event an y 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 specifi cations pu blished by TEGA M Inc. The ca librat ion of this instrument is traceable to the International System of Units (SI) through the National Institute of Standards and Technology (NIST) or other recognized National Metrology Institutes, by comparison to equipment and 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
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