Instruction Manual - Davis Instruments
Contents
1. Note All customers must call for an authorization number before returning any instrument m Technical and Sales Assistance ma If you are experiencing any technical problems or require any assistance with the proper use or application of this instrument please call our technical hotline Chauvin Arnoux Inc d b a AEMC Instruments Phone 800 343 1391 508 698 2115 Fax 508 698 2118 www aemc com 12 E AEMC INSTRUMENTS Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA www aemc com 99 MAN 100220 v6 07 102. button again to stop the test voltage output A series of short beeps indicates that discharging is in progress When the beeper stops the discharge is completed The test result will be held on the display automatically If the test period extends longer than 3 minutes the test source will shut down automatically e OVERLOAD When the measurement exceeds the range of the instrument OL is displayed A Warning Do not activate the test before the leads are properly connected to the sample under test Do not remove the test leads from the sample under test before the discharge process is completed Auto Power Off When the tester is idle for thirty minutes with no function selector or button operation it will turn itself off automatically To turn the tester on again turn the function selector to the OFF position then to the selected function 10 Digital Megonmmeter Model 1026 Maintenance A Warning For maintenance only use original factory replacement parts e To avoid electrical shock do not attempt to perform any servicing unless you are qualified to do so e Do not perform any service while the megohmmeter is connected to any circuit e To avoid electrical shock and or damage to the megohmmeter do not let water or other foreign agents into the case Battery Changing When appears on the LCD the batteries will need to be replaced To replace the batteries turn the function selector to the OFF p
3. Digital Analog Megohmmeter Model 1026 USER MANUAL MEGOHMMETER C AEMC MODEL 1026 QO O_O _O 00000 o 0 AEMC F RS nS ASA eee et intel A O oa ae lt Statement of Compliance Chauvin Arnoux Inc d b a AEMC Instruments certifies that this instrument has been calibrated using standards and instruments traceable to international standards We guarantee that at the time of shipping your instrument has met its published specifications An NIST traceable certificate may be requested at the time of purchase or obtained by returning the instrument to our repair and calibration facility for a nominal charge The recommended calibration interval for this instrument is 12 months and begins on the date of receipt by the customer For recalibration please use our calibration services Refer to our repair and calibration section at www aemc com Serial Catalog amp 2117 72 Model 1026 Please fill in the appropriate date as indicated Date Received Date Calibration Due Chauvin Arnoux Inc d b a AEMC Instruments INSTRUMENTS www aemc com e SS gt gt gt ca RR RES ESE RR Se EA LESSA IX Limited Warranty The Megohmmeter Model 1026 is warranted to the owner for a period of 1 year from the date of original purchase against defects in manufacture This limit
4. Insulation Resistance Test Function A Warning Do not test insulation on a live sample and make sure it is fully discharged before each test The Model 1026 is equipped with VAC DC function which may be used to check if the sample is live Turn the function selector to desired test voltage range The LCD displays to indicate the megohmmeter is standing by Digital Megohmmeter Model 1026 Connect the black test lead to the terminal and the red one to the terminal Typically the is connected to ground side of sample if available and if testing to reference to ground Connect the test lead to sample Measuring can be performed in manual power mode or power lock mode e Manual Mode Press and hold the TEST button to activate the test voltage source until you obtain a stable reading A periodic beeping will warn that there is high voltage output Release the TEST button to stop test voltage output A series of short beeps indicate that discharging is in progress When the beeper stops the discharge is completed The test result will automatically be held on the display Press the Hold key before making another test e Lock Mode Press the LOCK button to enter the Power Lock operation mode Press the TEST button once to activate the test voltage source A periodic beeping will warn that there is high voltage output The test voltage will continue to be applied until the TEST button is pressed again Press the TEST
5. ed warranty is given by AEMC Instruments not by the distributor from whom it was purchased This warranty is void if the unit has been tampered with abused or if the defect is related to service not performed by AEMCS Instruments What AEMC Instruments Will Do If a malfunction occurs within the 1 year period you may return the instrument to us for repair or replacement free of charge provided we have your REGISTRATION CARD on file AEMC Instruments will at its option repair or replace the faulty material Note If a card is not on file we will require a dated proof of purchase as well as your REGISTRATION CARD accompanied by the defective material What You Must Do First request a return authorization form by phone or by fax from AEMCS Instruments then return the instrument along with the signed authorization repair form Return material postage pre paid to Chauvin Arnoux Inc d b a AEMC Instruments Service Department 15 Faraday Drive Dover NH 03820 USA Tel 800 945 2362 X520 603 749 6434 X520 Fax 603 742 2346 Caution To protect against in transit loss we recommend you insure your returned material For full warranty coverage please read the Warranty Card which is affixed to the Warranty Registration Card Please keep the Warranty Card with your records Table of Contents Vam Gen etat alo dida a pell 3 International Electrical Symbols 4 Receiving Your Shipment e ana
6. enaa 4 Packaging assa assadas tia 4 Descrip sia 4 Specifications ita cia Raine ain dai pei Teh 5 Generales e ASC IES 5 Electrical nem ai uate ate pas a aes 6 EST LIA OM PR NEN RED Saeed 6 Ordering Information renas 7 Display ESatureS tiara tras teta dins 7 Model 1026 Features ritat Sonia ca sinta ci este 8 FUNCIIONS sisas liz 9 VAC FUNCION iria io 9 MDC FUNCHON iia ai eae es 9 Low Ohm and Continuity Function 9 Megohm Insulation Resistance Test Function 10 Manual Mod ic 4 24 ie a etn As 10 Ho oi di e jo DNC ER teta ts ta ri tilda 10 Auto Power Of ion ed eee EA REEE 11 ME ETA 11 IVAN ec tie ee 11 Battery Replacement errar 11 Fuse Replacement e cerramos 11 Cleaning d na 11 Repair and Calibration erra 12 Technical and Sales Assistance ccccccccccccccnnncnonononononononononononononones 12 Digital Megonmmeter Model 1026 A Warning A These safety warnings are provided to ensure the safety of personnel and proper operation of the instrument Read the following safety information carefully before attempting to operate or service the meter Safety is the responsibility of the operator Tests are to be carried out only on dead circuits Check for live circuits before making resistance measurements The megohmmeter is a source of high voltage as is the sample connected to them All persons performing or assisti
7. mperature 10 to 60 C 14 to 140 F Dimension 7 72 L x 4 41 VV x 2 52 H 196mm L x 112mm W x 64mm H Weight Approx 700g 1 5 lbs with batteries Digital Megohmmeter Model 1026 Electrical Specifications AC Voltage 600V 1 5 rdg 5 dats DC Voltage 600V 1 rdg 3 dats Q Ohms Autoranging Accuracy a 40000 Continuity beeper Range Aetive Protection 600Vrms MO Autoranging Range 4 40 400 4000MQ 250V 3 rdg 5dgts 4 40 400 4000MQ 500V iko lt 2000MQ 5 rdg 5dgts 4 40 400 4000MQ 1000V 2000MO to 4000M9 Voltage Output 10 to 20 of selected range Short Circuit Current 250 500 100V 2mA max Safety Specifications Ce e IEC 1010 Cat III 600V Pollution Degree 2 e Altitude up to 2000 meters 6000 ft e Indoor use only e EN50081 1 EN50082 1 Digital Megonmmeter Model 1026 Ordering Information Megohmmeter Model 1026 Cat 2117 72 Accessories Replacement Test Leads with alligator clips Cat 2121 53 Soft Carrying Case Cat 2117 73 Set of 5 fuses 0 5A 600V fast blow 1 2 x 3 8 Cat 2117 74 Display Features En LOCK HOLD e 0 21000 42000 63000 84000 VOLAR Mama amena 4000 Es O O ma Low Battery LOCK High Voltage Output Lock Enable HOLD Data Hold e Continuity Beeper Enable li Analog Bargraph AC Input DC Input Polarity Indication BI Dangerous Voltage Digi
8. ng in the tests must employ all safety precautions to prevent electrical shock to themselves and to others AEMC considers the use of rubber gloves to be an excellent safety practice even if the equipment is properly operated and correctly grounded When testing capacitive samples make sure that they have been properly discharged and that they are safe to touch Electrical equipment and cables may have sufficient capacitance to store a dangerous charge from the instrument test current For proper discharge to occur the push to measure button must be in the OFF position with the lock OFF and with the sample connected between the EARTH and LINE terminals On prolonged tests the TEST button may be locked ON Care should be taken in this mode that no damage is done if the instrument is left unattended Megohmmeters should never be used in an explosive environment Digital Megohmmeter Model 1026 International Electrical Symbols This symbol signifies that the probes are protected by double or O reinforced insulation Use only specified replacement parts when servicing the instrument N This symbol signifies CAUTIONI and requests that the user refer to the user manual before using the instrument Risk of electric shock The voltage at the parts marked with this symbol may be dangerous Receiving Your Shipment Upon receiving your shipment make sure that the contents are consistent with the packing list Notify
9. osition disconnect the megohmmeter from any circuit then open the battery compartment cover with a screwdriver Eight AA 1 5V batteries are needed After replacing the batteries put the cover back on and tighten the screw Fuse Changing When connecting the meter under the Q range to a source gt 10V the protection fuse will blow the circuit and a new one will be needed To replace the fuse turn the function selector to the OFF position disconnect the megohmmeter from any circuit disconnect the test leads remove the back cover and replace the fuse F 0 5A 600V Cleaning The megohmmeter may be gently cleaned with a soft damp cloth with soap Dry immediately after cleaning Do not submerge the case in water Make sure the megohmmeter and all leads are perfectly dry before any further use 11 Digital Megohmmeter Model 1026 oe Repair and Calibration To guarantee that your instrument complies with the factory specifications we recommend that the megohmmeter be submitted to our factory service center at one year intervals for recalibration or as required by other standards For instrument repair and calibration Call 800 945 2362 603 749 6434 X520 Fax 603 742 2346 Chauvin Arnoux Inc d b a AEMC Instruments Service Department 15 Faraday Drive Dover NH 03820 USA Or contact your authorized distributor Costs for repair standard calibration and calibration traceable to N I S T are available
10. tal Megohmmeter Model 1026 Model 1026 Features a Vi Sia CIAEME Moveri ss O b q Ea n wn i 1 4000 DE IS P q O00 MQ d b d D q P q O Pp Q P N Q D q Lo E P D q o 0 gt 1 LCD Display 5 Data Hold Button 2 TEST Button 6 Hi Input Terminal 3 Function Selector 7 Lo Input Terminal 4 Power Lock Button 8 Battery Compartment Cover Digital Megonmmeter Model 1026 Functions ACV Function Turn the function selector to the voltage range Connect the black test lead to terminal and the red one to the terminal Connect the test lead to the circuit in test Reading can be held by pressing the HOLD key DCV Function Turn the function selector to the voltage range Connect the black test lead to terminal and the red one to the terminal Press the TEST button to change the mode from Vac to Voc function Connect the test lead to the circuit in test Reading can be held by pressing the HOLD key Low Ohm Function and Continuity Function Turn the function selector to the 40000 range Connect the black test lead to terminal and the red one to the terminal Connect the test lead to the circuit in test If the reading is less than 400 the continuity beeper will sound Because the test current provided by the meter could reach 200mA do not use this range to test electronic components like diodes transistors or fuses MegOhm
11. your distributor of any missing items If the equipment appears to be damaged file a claim immediately with the carrier and notify your distributor at once giving a detailed description of any damage Packaging Your Megohmmeter Model 1026 consists of the following items e Megohmmeter Model 1026 e Setof 8 AA batteries e Set of leads with black and red alligator clips e Soft carrying case e User manual e Product Warranty Registration Card with attached Warranty Card Description The AEMC Model 1026 Cat 2117 72 is a portable multi range megohmmeter capable of measuring insulation resistance from 1kQ to 4000MO It has 3 test voltages of 250 500 and 1000V In addition the Model 1026 has an ohmmeter range to measure from 0 10 to 40000 with an audible tone for continuity measurement under 400 A voltmeter safety check with a range from O to 600V AC or DC is available when turned on Digital Megonmmeter Model 1026 General Specifications Display 3 x 1 7 76 x 42mm Big LCD panel with 40 segments analog bar indication Over Range Indication QL will be shown on the LCD Panel when out of range measurement is made Low Battery Indication The will be shown when the batteries needs to be changed Sampling Rate 2 5 times sec digital display 10 times sec bar graph Power Source 8 1 5V AA size batteries Operating Temperature and Humidity 0 to 40 C 32 to 104 F below 80 RH Storage Te
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