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Technical Specification 

Electrical specifications 

AC Voltage input range: 
5 kV, 10 kV:  90-264 V rms 47 – 63 Hz 100 VA 
15 kV: 

90-264 V rms 47 – 63 Hz 200 VA 

 
Battery:  

11.1 V, 5.2 Ah meets IEC 62133:2003 

 
Battery life  
S1-586:  

6 hours (typical) continuous testing at 5 kV with a 
100 M

Ω

 load 

S1-1068:  

4.5 hours (typical) continuous testing at 10 kV with 
a 100 M

Ω

 load 

S1-1568: 

4.5 hours (typical) continuous testing at 15 kV with 
a 100 M

Ω

 load 

30 min. chg:  1 hour operation at 5 kV, 100 M

Ω

 

 
Test voltages:  250V, 500V, 1000 V, 2500 V, 5000 V, 10000 V, 

15000, V

L

  

 
Lock test:  

40 V to 1 kV in 10 V steps, 1 kV to 5 kV in 25 V 
steps, 5 kV to 10 kV in 25 V steps                                  
 

  

Test voltage  
accuracy: 

+4%, -0%, ±10 V nominal test voltage at 1G

Ω

 load 

(0 °C to 30 °C) 

 
Resistance range: 

 

S1-568 : 

 

 

 

10 k

Ω

 to 15 T

Ω

 

S1-1068: 

 

 

 

10 k

Ω

 to 35 T

Ω

 

S1-1568: 

 

 

 

10 k

Ω

 to 35 T

Ω

 

 
 
 
 

Accuracy (23 °C): 

S1-568  

5000 V   2500 V     1000 V      500 V       250 V 

±5% to    

   1 T

Ω

   500 G

Ω

   200 G

Ω

   100 G

Ω

      50 G

Ω

 

±20% to  

 10 T

Ω

      5  T

Ω

        2 T

Ω

       1 T

Ω

     500 G

Ω

 

 

S1-1068 

10000 V 5000 V    2500 V     1000 V      500 V    

±5% to    

   2 T

Ω

       1 T

Ω

   500 G

Ω

    200 G

Ω

   100 G

Ω

   

±20% to  

 20 T

Ω

     10 T

Ω

        5 T

Ω

        2 T

Ω

        1 T

Ω

   

 
S1-1568 

15000 V  10000 V  5000 V    2500 V    1000 V       

±5% to    

     3 T

Ω

        2 T

Ω

      1 T

Ω

   500 G

Ω

   200 G

Ω

  

±20% to  

   30 T

Ω

      20 T

Ω

    10 T

Ω

        5 T

Ω

       2 T

Ω

      

 

Guard terminal  
performance

:  

Guards out parallel leakage resistance down 
to 250k

Ω   

with a maximum additional 

resistance error of 1% with a 100M

Ω   

load* 

 

 

* Assumes that the guard ring is positioned centrally across the 
insulating surface being guarded such that the resistances to 
the test conductors are equal 
 

Display range  
analogue:  

 

100 k

Ω

 to 10 T

Ω

 

 
Display range  
digital:  

  

10 k

Ω

 to 35 T

Ω

 

 
Short circuit curent :  6 mA nominal   

 

 
Insulation alarm:  

100 k

Ω

 to 10 G

Ω

  

 
Capacitor chg bat pwr: < 2.5 s/µF to 5 kV, < 5 s/µF to 10 kV 
 

 

 

  < 6.3 s/µF to 15 kV 

 
Capacitor chg AC pwr: < 1.5 s/µF to 5 kV , < 2.7 s/µF to 10 kV, 
                                     < 4.4 s/µF to 15 kV 
 
 

Summary of Contents for S1-1068

Page 1: ...S1 568 S1 1068 S1 1568 5 kV 10 kV 15 kV High Performance DC Insulation Resistance Testers USER MANUAL M...

Page 2: ...navoidable the user must take all necessary precautions This instrument is not intrinsically safe and must not be used in hazardous atmospheres If this equipment is used in a manner not specified by t...

Page 3: ...Directive The crossed out wheeled bin symbol on the instrument and on the batteries is a reminder not to dispose of them with general waste at the end of their life Megger is registered in the UK as...

Page 4: ...ime output during insulation tests 13 Bluetooth interface activation 14 PowerDB 15 Interfacing S1 and MIT ranges to PowerDB 15 Battery indicator 18 On screen error reporting 18 Error codes 18 Measurem...

Page 5: ...tions ensure highest quality resistance measurements All models support diagnostic and over voltage tests PI DAR DD SV and ramp test Remote Control RC mode via USB cable Bluetooth link for live stream...

Page 6: ...h associated HV warning lamp 8 Backlight button 9 Range rotary switch 10 Save button 11 Test mode rotary switch 12 LED indicating line power mains 13 Filter button 14 Display 15 Power socket 16 Functi...

Page 7: ...265 V rms ac at 50 60 Hz A green LED illuminates when line power mains is present The battery will charge over its operating temperature range as long as an AC source is connected except when a test...

Page 8: ...all models have a backlight button The mode rotary switch controls the insulation test type Basic insulation resistance IR timed insulation resistance IR t Dielectric Absorption Ratio DAR Polarisation...

Page 9: ...To test for high noise select the voltmeter function and read the voltage A high voltage will indicate a high noise environment Voltmeter A voltmeter is incorporated in the instrument and measures AC...

Page 10: ...istance of an insulator reaches this limit The default alarm setting is 500 k and inactive x is displayed on the right of the display Set range and mode switches to the settings and IR positions respe...

Page 11: ...etection and test voltage continues after breakdown of the insulation This enables the location of a failure to be detected but it is a destructive test Due to the potential damage that could occur th...

Page 12: ...is complete The save icon will appear momentarily to confirm the data is saved If a full test curve is required the user must select logging by pressing the save button before starting the test In th...

Page 13: ...er exists use it when starting PowerDB for the first time to find the S1 driver if not allow the operating system to search the internet for the driver When using the USB cable check the serial port a...

Page 14: ...on the S1 and the PC Let the PC find the S1 its serial number will be part of the identifier and default passcode for connection is 0000 Create a connection to the S1 and check the link works by conn...

Page 15: ...the version supplied on the product CD if the PC being used has no access to the internet The instrument does not need to be powered up to respond to the driver as it is powered via the USB cable Load...

Page 16: ...itialise the instrument An OK confirmation appears at the top of the form if communications have been successful Scroll down the PowerDB form until you see a table with cyan filled headers RIGHT CLICK...

Page 17: ...hree tables are available in the PowerDB form representing three phases named A B and C Tests listed in the Import Live Stream Control application listed under Test Info can be saved in any form by ex...

Page 18: ...the battery has failed On screen error reporting Should an error be detected during the operation of the S1 instrument an error code is reported preceded by Err with the read handbook warning Error co...

Page 19: ...is calculated and displayed Time Constant TC Rinsulation x Cinsulation Timed IR test A timed test IR t will automatically terminate an insulation test after a preset time Default timer is set to 1 mi...

Page 20: ...developed by EDF France s power utility company it is a diagnostic insulation test that allows ageing deterioration and voids in the insulation to be assessed The result is dependent on the discharge...

Page 21: ...required at the VL voltage set timer 1 to 0 sec if a custom SV test has previously been setup Rotary switch setting indicated For a regular 5 step SV test resistance readings for the first four steps...

Page 22: ...kV is recorded and can be read into PowerDB PowerDB Lite or converted to a spreadsheet so that the current vs voltage curves can be compared to published curves in IEEE 95 2002 Remote control mode Rem...

Page 23: ...total current has four components capacitive current absorption current conductance current and leakage current If a generator has wet or contaminated windings conductance current will be present In...

Page 24: ...red by the instrument and used to calculate resistance This technique is only permissible if the item under test is isolated from ground In this context isolated means insulated by a resistance of at...

Page 25: ...same potential as the negative terminal Since the leakage resistance is effectively in parallel with the resistance to be measured the use of the guard causes the current flowing through surface leak...

Page 26: ...nd all other equipment before opening the case to change the battery The instrument must not be operated with the case open DANGER Hazardous voltages are exposed with the mains connected and the case...

Page 27: ...hange the battery 2 Always replace both battery packs together 3 The instrument must not be operated with the case open DANGER Hazardous voltages are exposed with an AC source connected and the case o...

Page 28: ...1068 10 k to 35 T S1 1568 10 k to 35 T Accuracy 23 C S1 568 5000 V 2500 V 1000 V 500 V 250 V 5 to 1 T 500 G 200 G 100 G 50 G 20 to 10 T 5 T 2 T 1 T 500 G S1 1068 10000 V 5000 V 2500 V 1000 V 500 V 5 t...

Page 29: ...z 65 Hz Timer range 99 m 59 s 15 s minimum setting Memory capacity 11 hrs logging 5 sec intervals Test regimes IR IR t DAR PI SV DD ramp test Interfaces USB type B device Bluetooth Real time output re...

Page 30: ...8579 Fax 1 610 676 8625 Megger operate fully traceable calibration and repair facilities ensuring your instrument continues to provide the high standard of performance and workmanship you expect These...

Page 31: ...Page 31 Approved Service Centres A list of Approved Service Centres may be obtained from the UK address above or by contacting Megger on ukrepairs megger com and giving details of your location...

Page 32: ...dium insulated clips 1002 531 Shielded USB cable PowerDB Lite software CD Remote control indicator dongle S1 1068 only 3 m leadset x 3 large insulated clips 1002 534 S1 1568 only 3 m 15 kV leadset x 3...

Page 33: ...S France T 33 0 1 30 16 08 90 F 33 0 1 34 61 23 77 E infos megger com Megger AB Box 724 182 17 Danderyd Sweden T 46 8 510 195 00 F 46 8 510 195 95 Megger Pty limited Unit 1 11 21 Underwood Road Homebu...

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