HP-6688B/HP
Contents
1. Insert the red plug of lead with probe to measuring terminal 1 2 3 4 5 6 7 8 9 1 1 1 VN and the black plug of AC measuring lead to measuring terminal COM respectively c Connect to the measuring object Using the rotary switch select the 750V position Connect the test pin of lead with probe to the other side of measuring object and the test pin of AC measuring lead to another part of measuring object d Then the digital display voltage is the AC voltage of the metrical object in fact 3 Insulation resistance testing a Connection of measuring lead Insert the big plug of lead with probe to measuring terminal L the plug of lead with clip to measuring terminal E and the black plug of AC measuring lead with a small clip to measuring terminal COM respectively b Testing lead connected The lead with the big measuring clip is the leads connected with the earth The lead with the high voltage s probe is the highest voltage leads The lead with connecting in COM socket is the shield leads meeting on the surface of the testing resource to preventing the surface leak affecting testing resistance Using the rotary switch select the OFF position connect the clip of lead to the other side of measuring object and the AC measuring lead s small clip to the surface of measuring object c Rating Voltage select Select the Rating Voltage adapt to the insul2. the danger of electroshock 4 Check the insulation layer of the test pin lead 5 Don t rotate switch when testing 6 When seeing F on the LCD means the battery voltage is low Please charge the battery by the power adapter 3 Electric Symbols Important hint Care for high voltage Double insulation Low battery AC voltage Bope 4 Feature 1 Low power consumed CMOS double integral A D transforming IC auto checking to zero auto displaying polarity displaying when low battery 2 LCD 3 1 2 digits big screen display the max show value is 1999 3 Has function of holding data and displaying signal 4 Can use rotating switch when testing voltage 5 Voltage below AC 750V can be tested 6 High voltage is on the rails when LED is on 7 Displaying when low battery 8 Drove by Battery not by hand 9 Auto switch the range when resistance measuring 10 With strong load appox 1 0mA output short current 11 Perfect circuit protect preventing damage by voltage shock effectively Size of LCD 68x55mm Height of character is 35mm Power 9 6V Ni Mh charge battery Size of shape 221x124x78mm Weight 900g contain battery 16 Environment Working temperature 0 40 C relative humidity lt 80 Storage temperature 10 50 C relative humidity lt 85 Temperature to ensure precision 23 5 C relative humidity lt 75 5 Technique Index Accuracies are of reading number in last digit fo
3. HP 6688B HP 6688C Digital Insulation Resistance Tester HoldPeak AUTO 500V 1000V 2500V 5000V HOLD ioc lt lt gt a TETTIE E5 ACA 100V 250V V kO MN GO HP 6688B PX See p CO C a HOLD TEST STOP LIGHT 1000V et 7s0v sooov 4 ofr OFF E a D L g AUTO RANGE DIGITAL INSULATION TESTER Operation Manual 1 Summary The Digital Insulation Resistance Tester series have high performance and safe configuration and improved electrocircuit It is one new item which has more fully function higher precision and easier operation It s also one quakeproof dustproof and dampproof tester and can fit work environment of outdoor The output testing voltage can be changed between 100V 250V 500V 1000V 2500V 5000V for different item no The resistance can reach 200GQ the tester also can measure alternating voltage This Tester apply for all kinds or electric equipment and insulation materials such as transformer electromotor cable switch appliance etc It is a perfect electrical testing meter 2 Safety Notice 1 Read this Operation Manual carefully before use it 2 This meter is designed in accordance with ICE publication 1010 pollution degree Il and installation category over voltage category Il 3 Should not use it before close the back lid cause of
4. ation resistance you want to test Turn the rotating switch to the voltage segment needed d Testing Connect the probe to object press the button TEST STOP HV indicator light which indicates measuring voltage happen After testing begins the number displayed on LCD is the insulation value of object tested e End After the measurement completed push down the switch of the TEST STOP once more When the red LED off means the output testing high voltage has been cut Turn the rotary switch to OFF position If measure the contain nature load please short the residually electric of the testing resource first before move the testing leads 4 Data hold On any range press the HOLD key to lock display value and the HOLD sign will appear on the display press it again to exit 5 Back light On any range press the LIGHT key to light the back light The light can wink automatically after approx 10 seconds 6 Battery charge When seeing El on the LCD means the battery voltage is low Please charge the battery by the charger a Turn the rotary switch to OFF position b Connect the black plug of the charger to the COM socket and the red plug of the charger to the Vs socket c Connect the charger to the AC power AC 110V or 220V the light of the charger will flicker red it means the battery is charging The light of the charger will light green when the battery b
5. e charged full then please stop charge 8 Maintenance This is a precise instrument and needs careful maintenance a Don t open the back lid at will Don t use it if the back lib not fixed b Put it in the place dry and airiness if the meter will be leave unused for long term c Don t change the inner circuit at will or the meter maybe out of use If there is any problem contact with us please 9 Accessories a The measuring lead of the insulation tester 1 set b User s manual 1 piece c Battery charger 1 piece Rev 1 0
6. r one year Environment temperature 23 5 C Relative humidity lt 75 Model Insulation tester 1 1 rere wre aH 12 13 14 15 HP 6688B 5000V 100V 250V 500V 1000V 500V 1000V 2500V 5000V 90 110 Testing Rating Voltage 1MQ 20GQ 1MQ 200GOQ 0 01MQ 1MQ 200MO 3 0 5 200MQ 10GO 5 0 5 10GQ 200GQ 10 0 5 HP 6688C 1000V Testing Rating Voltage Output voltage Scale Minimum division Accuracy Scale of AC voltage Accuracy 1 750V 2 0 5 Resolution 1V Frequency response Note When you measure the resistance is less than 5MQ in any rating test voltage the measuring time is not more then 10 seconds 40 400Hz Remark fall down resistance Rating test voltage fall down resistance 250V 1MQ 500V 1MQ 1000V 2MQ 2500V 2MQ 5000V 8MQ Explaining Fall down resistance means lower limit value of resistance which it ensure the voltage of two extremity of measuring is less than 90 of rating test voltage 6 Operation Sketch Map d h 1 atten SS JO0G 7 LOLLO ES AC 100V 250V V KN MA GN cop 3 j 8 9 4 5 D P 10 12 P com 5 8 3 8 8 Mounting hole High voltage startup switch TEST STOP Data holding ke
7. y HOLD Rating voltage rotating switch Crust of meter Protective casing LCD Back light switch LIGHT High voltage indicator light 0 LINE input terminal Insulation 1 EARTH input terminal Insulation 2 ACV Input terminal Battery charge positive pole 13 ACV measurement terminal COM Shield input terminal for insulation Battery charge negative pole 7 Operating specification 1 Safety notices a There is a possibility of causing an accident of electric shock After the measurement of insulation resistance is completed be sure to discharge the high voltage charged in the measuring object b There is a risk of electric shock during the measurement Be careful not to touch the measuring terminal and measuring object during the measurement c When the circuit is activated make measurement after disconnecting the power source d Make measurement within the insulation resistance measuring range and never impress voltage from outside or the tester will be destroyed e Be sure to confirm the position of rotary switch and the connection of measuring lead with the tester before starting the measurement f When start the high voltage startup switch there is a high voltage about 100V 5000V between L and E must not touch the bare part of meet and object be tested cause of the danger of been shocked 2 AC voltage test a A Don t test up AC 750V voltage It is Dangerous b Connect the measuring Leads
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HP 6688B/HP