R1L-E2A Instruction Manual
Contents
1. Preparation for Calibration or Repair Service The R1L E2A may only be repaired at TEGAM Inc as itis a labeled unit with requirements for intrinsic safety and use in an explosive atmosphere As part of the process in meeting these requirements the R1L E2A internal printed circuit board has a conformal coating a large area of hard encapsulation and some areas of soft encapsulation If a problem exists and repair is required please contact TEGAM Inc for a return 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 your instrument and to address the particular service request by you which is assigned to that RMA number Of even greater 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 p2. 6 Peak 1 1 999 m lu 1 3 2 19 99 m 10 u 130 m 3 199 9 m 100 y 13 m 4 1 999 1 1 3 5 19 99 10 0 13 Table 1 Range Specifications Page 1 1 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM INSTRUM ENT DESC RIPTION Accuracy All ranges 0 1 of reading 2 counts Accuracy may become degraded in the presence of significant levels of RF field At a RF field strength of 3 V m accuracy is 1 of reading 2 counts for the four lowest ranges 1 999 mQ full scale through 1 999 Q full scale and 2 of reading 2 counts on the 19 99 Q full scale range Operating Temperature 20 C to 50 C Relative humidity O to 90 non condensing 1 3 Description of Equipment rugged heavy duty static dissipative ABS Polycarbonate plastic case is supplied to contain and protect the R1L E2A When closed a gasket seals the lid to keep out water and dirt while the R1L E2A is transported through rain or other environmentally hostile conditions When the lid is open a second gasket provides additional although reduced protection for the front panel The removable battery access cover also has a gasket The front panel is aluminum with durable polycarbonate graphical overlay The lid of the R1L E2A case further serves as a storage area for the supplied pair of test probes and instruction manual Dimensions of the case are 17 W x 11 5 D x 7 1 H Weight
3. Displays Refer to figure 1 POWER ON OFF pushbutton switch turns battery power ON and OFF for the R1L E2A It is protected by a ring to make accidental actuation more difficult The RANGE switch is used to select the desired resistance range for the resistance under test There are five ranges marked 2 m9 20 m9 200 mQ 2 Q and 20 Q Note that although the ranges are marked 2 etc the actual reading limit is 1 999 mQ etc Resistance readings on any range exceeding 1999 with appropriate decimal point show as an over range condition indicated by a display of 1 followed by three blanks BACKLIGHT pushbutton is a momentary pushbutton switch which controls PC board circuitry to cycle through three states for the backlight The default state is OFF which occurs each time the R1L E2A is powered up regardless of previous history and is indicated by the full black circle Depressing the pushbutton once causes the backlight to cycle to its half bright state indicated by the half lighted circle Depressing the switch a second time causes the backlight to cycle to its full bright state indicated by the non filled circle A third depression of the backlight switch will cycle the backlight to OFF Page 1 3 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM INSTRUM ENT DESC RIPTION DISPLAY is a 3 digit LCD with decimal points reading from 0 001 mQ to 19 99 Q full scale LOW BAT
4. Make sure that the label is facing inward as shown in the figure 2b The pin near the label is the voltage sense pin Press the conductive tips of the two probes firmly against the surface to be measured The spring loaded conductive pins will be pushed back to help penetrate non conductive surface coatings In case of the HTP 101A probes the pins will rotate as they retract Page 3 1 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM OPERATING INSTRUCTIONS The resistance reading will show up on the display If the measurement is over range the display will read 1 followed by three blanks In that case turn the range switch to the next higher range When the battery voltage has fallen to a value near the end of its useful life LOBAT will be seen on the display The unit will not be damaged by further use but this is a warning that readings may not be accurate especially on the 2 mQ range which uses a nominal 1 3 A test current The battery cells should be replaced when LOBAT appears Depress the POWER ON OFF switch to OFF when through using the instrument to avoid depleting the battery Disconnect the test probes and store them in the case lid with the instruction manual upon completion of the measurement task Page 3 2 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM SERVICE INFORMATION SECTION 4 SERVIC E INFORMATION
5. TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM PREPARATION FOR USE AND INSTALLATION Note that the Model R1L E2A is shipped with its battery cells removed Three battery cells are shipped with each new unit e Loosen the six captive screws around the outside edge of the battery access panel using a Phillips No 2 screwdriver and remove the panel Check for correct polarity and install the three D cells in the battery holder When installing the cells rotate them slightly to ensure connection to the battery holder contacts The cells are connected in series for a nominal voltage of 4 5 V Use only Alkaline or Manganese D Cells that have been proven by a Nationally Recognized Testing Laboratory to meet the requirements of UL60079 11 section 10 5 2 Use of any other battery will invalidate the Type certificate and will create a hazardous condition The only batteries that TEGAM has secured such testing on and which are approved for use in the R1L E2A are listed on the Type Certificate and are o Energizer E95 Reinstall the battery access panel and tighten the six captive screws to secure it If the test probes are to be used connect their leads to the corresponding color coded binding post on the R1L E2A front panel as shown in figure 2a and 2b Only HTP 101A or SKP 8 test probes or leads may be used in an explosive atmosphere Ensure they are properly connected for a four wire measurement For
6. is 18 pounds including test probes power cord battery cells and manual With the lid open for operation the front panel and its controls are readily accessible Controls and connectors may be operated while wearing safety gloves Electrical Power is from three alkaline D cells Current drain depends on the measurement range selected and battery capacity Based on an average drain of 150 mA and brand new D cells and a 25 C ambient the battery cells will typically give up to 80 hours of operation with the backlight OFF Increasing battery drain and decreasing temperature both result in decreased battery capacity Extended use on the 2 mQ range or with backlight on will reduce operating Page 1 2 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM INSTRUM ENT DESC RIPTION time dramatically At low ambient in the 2 mQ range battery life will be approximately three hours of continuous measurement for new cells Continuous measurement is very unlikely and high current is only drawn when test probes are connected and touching a low resistance surface It is expected that in most foreseeable conditions one set of batteries will allow at least eight hours of normal intermittent testing activity CAUTION THIS INSTRUMENT IS TO BE OPERATED FROM BATTERY POWER ONLY CONNECTION OF AN EXTERNAL SUPPLY WILL RESULT IN A HAZARDOUS CONDITION AND MAY DAMAGE THE R1L E2A Front Panel Controls and
7. 041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM PREPARATION FOR USE AND INSTALLATION SECTION 2 PREPARATION FOR USE AND INSTALLATION 2 1 Unpacking and Inspection Upon receipt the R1L E2A and its accessory kit should be carefully unpacked and removed from the shipping container Separate the units from the packing material and inspect the instrument for any external damage e any dents broken or loose parts are seen do not use the equipment Notify TEGAM immediately Note that the instrument is shipped with its batteries removed Unwrap the three D cells which were shipped with the unit Release the two latches which secure the lid of the Model R1L E2A Microohmmeter and open the lid Since the lid is well gasketed it may be difficult to open if there is an appreciable difference between external and internal air pressure Check for the presence of two test probes stored in the cavity in the lid If the test probes or instruction manual are not present and the instrument is new report this immediately to TEGAM 2 2 Preparation for Use WARNING DO NOT INSTALL CHANGE OR REMOVE THE R1L E2A BATTERY CELLS IN AN EXPLOSIVE ATMOSPHERE A SPARK MIGHT BE GENERATED WHICH COULD RESULT IN AN EXPLOSION WARNING BATTERIES ARE PART OF THE INTRINSICALLY SAFE SYSTEM USE ONLY RECOMMENDED BATTERIES DO NOT MIX BATTERIES USE OF ANY OTHER BATTERY OR MIXED BATTERIES MAY RESULT IN A HAZARDOUS CONDITION Page 2 1 10
8. 100 FAX 440 466 6110 sales tegam com TEGAM OPERATING INSTRUCTIONS SECTION 3 OPERATING INSTRUCTIONS The Model R1L E2A Microohmmeter is designed for bench top or field operation If not already done connect the two test probes matching their spade lug insulation color to the corresponding binding post color on the R1L E2A front panel The red probe is for the left hand and the white probe for the right hand as per their labels Depress the alternate action POWER ON OFF switch button once to turn on power The appearance of any character on the LCD indicates the presence of power Rotate the RANGE switch to the desired measurement range If operating in an area of low illumination depress the BACKLIGHT switch Depressing the BACKLIGHT switch once will turn the backlight on to half bright depressing the switch again will turn the backlight on to maximum brightness and depressing the switch a third time will turn the backlight OFF Whenever power to the R1L E2A is turned OFF the backlight will return to its default OFF condition Also note that operation of the backlight will decrease battery life hence it should not be left ON when not required To make a measurement pick up the two pistol shaped probes with the left red one in the left hand and the right white one in the right hand as shown in figure 2a When using the SKP 8 Kelvin probes hold the red probe in the left hand and the white probe in the right hand
9. TEGAM INTRINSICALLY SAFE MICROOHMMETER MODEL RIL E2A Instruction Manual PN R1L E2A 900 01 Publication Date July 2013 REV F This document may not be modified without the approval of the Notified Body 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM Ex ia IIA T4 Ga Ex 20C lt Ta lt 50C DEMKO 11 ATEX 1048757X 0539 II 2G ec UL 11 0006 Control Drawing 13742 Ground Indicator For Use in Hazardous Locations Class Zone 0 Group IIA Class Division 1 Group D C US LISTED 4 4 SAFETY WARNINGS This unit is intrinsically safe WARNING Substitution of components may impair intrinsic safety See accompanying instruction manual for operating and maintenance instructions WARNING Batteries are part of the intrinsically safe system Use only the specific battery type and manufacturers listed in the user manual Use of other batteries could impair intrinsic safety Do not mix batteries of different manufactures Do not mix fresh batteries with old batteries WARNING To reduce the risk of ignition of a flammable or explosive atmosphere batteries must be changed only in a location known to be non hazardous WARNING When operated in a potentially explosive atmosphere this unit may not be used if capacitance inductance or other circuitry is connected to the bond or structure under test WARNING To prevent ignition of flammable or combustible atmospher
10. TERY is indicated by LOBAT on the display in addition to the resistance reading Four binding posts are provided for the connection of test probes Only HTP 101A or SKP 8 test probes may be used in an explosive atmosphere The two binding posts labeled l and I supply a constant current to the resistance under test The binding posts labeled E and E sense the voltage developed across the resistance under test The binding posts are color coded to match the colors of the spade lug insulations on the supplied test probes Test Probes The Model R1L E2A unit is shipped with one or both of the test probes a pair of pistol shaped test probes HTP 101A and or a pair of Kelvin Probes SKP 8 The probes are color coded a red one for use with the left hand and a white one for use with the right hand Each probe is attached to an eight foot length of cable comprised of two 12 AWG insulated wires for the HTP 101A and 18 AWG insulated wires for the SKP 8 The ends of the probe cables terminate in spade lugs which have color coded insulation corresponding to the colors of the front panel binding posts The cable strain relief has a band with appropriate left or right identification Each test probe has two sharply pointed spring loaded conductors extending from the nose One conductor of each probe is for current and the other is for voltage When firmly pressed against a surface the pointed conductors of the HTP 101A retract with a rot
11. Y GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com INSTRUM ENT DESC RIPTION SECTION 1 INSTRUMENT DESCRIPTION 1 1 Introduction The TEGAM Model R1L E2A is an intrinsically safe portable bond meter microohmmeter designed to measure low values of resistance from 1 uQ to 20 Q A four point measurement method is utilized in order to eliminate any errors caused by the resistance of the measuring leads Two leads are used to pass a constant regulated current through the resistance under test and two leads are used to measure the resulting voltage drop across the resistance under test The R1L E2A then uses Ohm s law to calculate the resistance and displays the value digitally on a liquid crystal display LCD The R1L E2A cycles the current ON and OFF during the measurement During the OFF state thermal and offset voltages occurring in the voltage measurement chain are stored and then used as a correction during the ON current time The current used for the measurement is well regulated to be constant over large changes in the unknown resistance and or the resistance of the test leads If the resistance under test becomes too high on a given range the display shows a 1 followed by three blanks 1 2 Performance Characteristics The R1L E2A has five resistance ranges with test current resolution and scale as shown below in Table 1 Range Full Scale Resolution Test Current 6
12. ating motion to help cut through non conductive surface films When not in use the probes are meant to be stored in the lid of the R1L E2A case Page 1 4 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com INSTRUM ENT DESC RIPTION TEGAM HOW YO SAVA 0 JO BOVYOLS JALLOVNI YO INIWdIHS 340438 53 4341 8 SAOWSY YIMOd 1NZMWNOYIAN3 3AISO14X3 NV NI S3INSLLVE 39NVHO LON OG ONINYVM SONVY uoz A T uwz uwoz 8 O ee SS399v 311 8 LLE QI REEL lolo tolii 462 DO WER OO WANED AVM VOAL OL DNI PEDAL TEE eno MR r e e D PR tt la A AMIA en EEN rem ponte en cn oo Ehr ANO ER cn CNE E reel DD PE oe oymi nn LT EE eher ores 00 IT ber saei rm lc ns Enn astra mien Ar emaema a mae p A ADATE aae bear Comas E SO e D Kan att Eet 4 CA SRE ia PU 7 LAS EEN ET m pa za ge emma De nd 9 D Trei
13. bles ou combustibles lisez comprenez et adh rez aux proc dures d entretien sous tension AVERTISSEMENT La monture de panneau est un alliage l ger en m tal vitez le risque d allumage provoqu par des tincelles d impact ou de frottement en r sultant de l impact ou du frottement avec la monture de panneau en prot geant le panneau et la monture contre l impact et le frottement 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM TABLE OF CONTENTS 1 INSTRUMENT DESCRIPTION Introduction iriiria 1 1 Performance Characteristics 1 1 Table 1 Specifications 1 1 Description of Equipment cc cceeeeeee eect eee eee 1 2 Figure 1 Front Panel and Controls 1 5 List of Items Furnished ccceeeeeeee tees ea eee eaeees 1 6 Storage and Shipping Requirements 1 6 2 PREPARATION FOR USE AND INSTALLATION Unpacking and Inspection 2 1 Preparation for Use 2 2 Figure 28 HTP 101A Probe Connections 2 3 Figure 25 SKP 8 Probe Connections 2 3 3 OPERATING INSTRUCTIONS 3 1 4 SERVICE INFORMATION Preparation for Repair or Calibration Service 4 1 Expedite Repair and Calibration Form 4 2 WAITANLY aen do ee EE EE EEN EE BERENS ER 4 3 10 TEGAM WA
14. er reer o TE pe SONG saam pe wg 4 a Maryapa saaga p AA b 2 aL A AE ms D Pts pa ne ge E Cong Eh a te Lens o rr AN ere manaa DA Faart 53 ae var TER Erici ONIMYHA TOW1NOD 25000 a MASLEPO ii 30 DOG F CLS a oui 6550 D i J J 1 040080 Y NOISIMIA 1 Em vn 4NOWD e AMOR geen NOR DOIN MCE EP 8 EN MO MCL ICR Green Figure 1 Front Panel and Controls Page 1 5 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM INSTRUM ENT DESCRIPTION 1 4 List of Items Fumished 1 each Model R1L E2A Microohmmeter 1 each Power Cord 1 set of Alkaline Battery Cells Approved for R1L E2A 1 each Instruction Manual Depending on the configuration ordered 1 set of Pistol shaped Test Probes HTP 101A and or 1 set of Kelvin Probes SKP 8 1 5 Storage and Shipping Requirements Storage Temperature 40 C to 71 C Relative humidity O to 100 non condensing The Model R1L E2A is a rugged instrument and requires no special covering preservation or special cradles During shipment packaging must provide sufficient resilient material in accordance with standard packaging practices to prevent excessive shock to the power supply and display Page 1 6 10 TEGAM WAY GENEVA OHIO 44
15. es read understand and adhere to manufacturer s live maintenance procedures WARNING Panel Bezel is a Light Metal alloy Avoid risk of ignition caused by impact or friction sparks resulting from impact to or friction with the panel bezel by protecting the panel and bezel from impact and friction AVERTISSEMENTS DE SURETE Cette unit est intrins quement s re AVERTISSEMENT la substitution des composants peut alt rer la s ret intrins que Voyez le manuel d instruction pour des instructions d op ration et d entretien AVERTISSEMENT Les piles font partie du syst me d une s curit inh rente Employez seulement le type et les fabricants sp cifiques de piles num r s dans le manuel d utilisation L utilisation d autres piles a pu alt rer la s ret intrins que Ne m langez pas les types de pile Ne pas m langer des piles neuves avec des piles usag es 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM AVERTISSEMENT Pour r duire le risque d allumage d une atmosphere inflammable ou explosive les piles doivent tre chang es seulement dans une zone connue pour tre non dangereuse AVERTISSEMENT Quand op r e dans une atmosph re potentiellement explosive cette unit ne peut pas tre utilis e si la capacitance l inductance ou les autres circuits sont connect s au lien ou la structure sous l essai AVERTISSEMENT Pour emp cher l allumage des atmosph res inflamma
16. example if measuring the value of a low value resistor connect the and I current leads to the ends of the resistor leads away from the resistor body Connect the E and E leads between the current leads and the resistor body at the points between which the resistance value is to be determined making sure the E lead is on the same side of the resistor as the l lead and the E lead is on the same side of the resistor as the lead WARNING USE ONLY HTP 101A OR SKP 8 TEST PROBES AND CABLE SETS WITH RIL E2A IN POTENTIALLY HAZARDOUS ENVIRONMENTS USE OF ANY OTHER COMBINATION OF PROBE AND CABLE INVALIDATES THE TYPE CERTIFICATION AND MAY RESULT IN A HAZARDOUS CONDITION Page 2 2 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com PREPARATION FOR USE AND INSTALLATION TEGAM brott YSN OIHO 35 AVM WV931 OL DNI WYOZL SCHARZ SNOAUVZVH Ni 3SN WO BOALWDIGN ANNOWO SAA DS Figure 2a HTP 101A Probe Connections Page 2 3 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com bh zZ ei lt Gei gt e e LL ei lt LL e DE L p tt VSN OIHO VAGN39 AVM WVOZL 0 ONI Wo 3404d ALIHM Figure 2b SKP 8 Probe Connections 380 4 034 SNOQUYZVH NI 3SN HCH YOLYIIONI ONNOLO ERNST DS Page 2 4 10 TEGAM WAY GENEVA OHIO 44041 440 466 6
17. manship 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 Page 4 3 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM SERVICE INFORMATION Warranty Limitations The TEGAM Inc warranty does not apply to defects resulting from unauthorized modification
18. 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 TEGAM 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 Page 4 4 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com
19. roblem 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 4 1 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM SERVICE INFORMATION Expedite Repair amp Calibration Fom 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 Evaluation Calibration Only Repair Only Repair Calibration 540 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 Page 4 2 10 TEGAM WAY GENEVA OHIO 44041 440 466 6100 FAX 440 466 6110 sales tegam com TEGAM SERVICE INFORMATION Warranty TEGAM Inc warrants this product to be free from defects in material and work
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