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1. INSULATION TESTER INSTUCTION MANUAL GENERAL This instrument adopts the DC Voltage convertor of low consumption and high converter ratio inductance energy storage to change the 9V Voltage to 250V S500V 1000V DC Voltage It uses digital bridge to make the insulation resistance measurement had the features of user friendly high extent range backlight display data hold and auto power off The whole instrument is stylish and superior grade in appearance and high stable in performance it can be operated by both hands through using a shoulder strap It is most suitable for the needs of insulation resistance check such as electric cable electrical and mechanical equipment telecommunication equipment and electrical facilities Z FRONT PANEL DESCRIPTION foe J if A 0 1MQ 2000MQ BVV 1000V Z50V SR FG S 1000D we POWER RANGE pm uei PRE Ag E aes TEST 2 WY 5 N i s mp t SSS fit H 1 2 3 4 Voltage selection switch AC750V 500V 250V 1000V 5 Resistance Range selection switch RANGE 6 Power switch auto lock power switch POWER 7 High voltage indicator LED display 8 Measurement button 9 LCD display Disp2. e materials please do not change the leads at will Replace the batteries 10 When the external AC adaptor supplies the power the inside batteries are disconnected and the batteries can t be charged at the time Note please select 2 power supply method E SETS OF INSTRUMENT The instruction manual is subject to change without notice The contents in the instruction manual are considered to be correct if the user find any errors or pretermissions etc please contact the manufacturer py n D noni testes pe The manufacturer hereby will not be responsible for any 2 10A test leads set dead dote i 3 5 batey SVF X6 spe acciden an amaze oy y e unpiopet operation The functions described in this instruction manual do not be 4 Operation Manual Icopy 5 Shoulder strap Ipc the reason for special usage J FAULT ELIMINATION If the instrument can t work properly the below methods can help you to solve the general problems quickly If the fault still can t be eliminated please contact the maintenance centers or distributors MB 60B 50
3. lay the measured data and units 10 Instrument model 11 L Terminal for connecting the measured circuit 12 G Terminal for protection connect the electrode wire of protection loop to G terminal when the measured object is required to add the protection loop to eliminate the leakage effect 13 ACV Input terminal of AC Voltage measurement 14 E Terminal for connecting the ground of the measured object 15 Terminal of AC adaptor 2 TECHNIC PROPERTY 1 General Property 1 Display 84 8 X 59 8mm LCD display max 1999 2 Over range indicator display 1 3 Power 5 battery LR6 1 5V X6 or external AC adaptor no battery indicator Auto power off approx 15miutes after turning on 4 Power consumption consumption is less than 300mw at unload measurement 5 Operation environment Temperature OC 40C Relative humidity 30 RH 85RH 6 Dimension 175 L lt X110 W X70 D mm 7 Weight 630 g including batteries 2 Technical property voltage re 20M Q DOM Q 20M Q9 50M 2 100M Q 500M Q 1000M Q 2000M Q A OF reading 2 digits E resistance position ACV750V_ Accuracy 1 0 of reading 6 digits Terminal position ACV G Input impedance IM Frequency response 50 200 Hz Note Median resistance to ensure that the voltage of both sides of measurement is not less than 90 of lower limit of resistance measurement of measurement vo
4. ltage normal value PY OPERATION DESCRIPTION 1 Open the battery case and set up 6pcs of 5 batteries see the following pictures note the polarity of batteries 2 Press the button of POWER 3 Select the right voltage 250V S00V 1000V AC750V according to the requirement of measurement 4 Select the right range RANGE except AC750V according to the requirement of measurement 5 Connect the electrode of the measured object to the relative terminal of the instrument 6 When measuring cable connect G Terminal to the protection loop 7 Press the button of measurement and start it turn the knob right to lock the button when the value is stable get the reading from LCD 8 Connect the input line E to the ground of the measured object and L to the circuit of the measured object require line L to hang in the air 9 2000M 2 When 1 is displayed over range is indicated and should turn to the higher range to get reading When the range button is in milli position it expresses that the insulated resistance exceeds 2000MQ 10 Hang the instrument on your neck to save your hands to make measurement ti METHOD TO MEASURE THE INSULATED RESISTANCE 251 FN MN ENV GEN Ee 0V 500V 1000V N EE 7X SAFETY NOTES 1 When voltage measurement selection button does not be rae pressed it is possible to appea
5. r the high voltage at the output voltage terminal When measuring first check the measurement voltage selection and if the indication of the measurement voltage on LCD is in accordance with the voltage needed 3 To ensure the safety of operation the operation cannot be done until the measured object removed from the power supplied by the electricity grid system and should be discharged fully to testify that the measured object does not have any danger of power 4 When measuring it is not allowed to handle the terminal of measurement to make sure the accuracy of reading and personal safety Keep the instrument away from the high temperature place and from the direct sunshine to avoid affecting the life of the LCD When low battery symbol of appears please replace the batteries in time Take the batteries out when storage to avoid the leakage of batteries to damage the instrument When unload reading is normal it won t affect the measurement 8 When measuring MQ if the reading is unstable it is likely caused by the interference of surrounding and unsteadiness of the insulated materials it will make the Power off please turn on the reading stable to connect the G terminal to the shield No display power side of the measured object Replace the batteries 9 To ensure the safety of measurement and reduce the symbol Replace the batteries interference the test leads adopt silicone rubber appearanc
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