Megger S1-1068/2 Expert 10kV HV Insulation Resistance Tester

SKU: MEGGS110682
  • Offers high voltage testing up to 10kV
  • Has up to 8mA noise rejection with advanced adaptive filter
  • Supports a wide range of insulation diagnostic tests such as PDC, SV, DD, DAR & Ramp
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Megger S1-1068/2 Expert 10kV HV Insulation Resistance Tester

The Megger S1-1068/2 Expert 10kV HV Insulation Resistance Tester combines the full suite of features from Megger’s Essential and Advanced ranges along with additional capabilities to provide professionals working in high-voltage environments with a reliable instrument that is capable of measuring insulation resistance measurements of up to 10kV.

The S1-1068/2 supports a wide range of insulation diagnostic tests, including Polarisation Index (PI), Dielectric Absorption Ratio (DAR), Dielectric Discharge (DD), Step Voltage (SV), Ramp Test, and Polarisation Dependent Current (PDC). It also includes Megger's patented PI Predictor (Plp), which estimates PI results early in the test cycle. The RE>Act mode improves measurement reliability by detecting and compensating for reabsorption currents, making sure that insulation faults are not masked by residual charge. The S1-1068/2 offers selectable test voltages from 250V to 10kV and a resistance measurement range of up to 35TΩ, making it suitable to use across varied applications.

The S1-1068/2 boasts superior noise rejection that can operate effectively with interference levels as high as 8mA, perfect for use in electrically noisy environments. Additionally, the adaptive filtering and high-voltage noise suppression make it ideal for use in substations and transmission yards where traditional testers may struggle. Users are able to conduct tests from a safe distance thanks to the remote operation via USB, which improves safety in hazardous conditions. Plus, the S1-1068/2 also supports real-time data streaming and logging, with time- and date-stamped results transferable via USB or Bluetooth® to Megger’s CertSuite Asset or PowerDB software for seamless asset management and reporting.

Safety was important when it came to the design of the S1-1068/2, as it boasts a CAT IV 600V rating up to 3000 metres altitude, reinforced insulation, a five-tier voltage warning system, and a dual-case construction with a shock-resistant outer shell and fire-retardant inner casing. To ensure longevity and safety in all environments, the S1-1068/2 is IP65 rated when the lid is closed, protecting it against dust and moisture ingress, as well as operates reliably in temperatures ranging from -20°C to +50°C.

In terms of performance, the S1-1068/2 delivers resistance accuracy of ±5% up to 2TΩ and ±20% up to 20 TΩ and supports current measurements from 0.01mA to 6mA and capacitance measurements from 10nF to 25µF with ±10% accuracy. The S1-1068/2 can either be powered by a rechargeable battery or AC mains, with a quick-charge feature allowing for one hour of operation after only 30 minutes of charging. It comes with a battery life that supports up to 4.5 hours of continuous testing at 10kV with a 100MΩ load.

The Megger S1-1068/2 includes two sets of 3 metre test leads, one with medium insulated clips and the other with large insulated clips, designed for safe and reliable connection to a variety of test pieces. It also includes a screened USB cable with filters, a remote control indicator beacon, and a free license for CertSuite Asset Lite software.

Comparing the Megger Essential, Advanced & Expert Ranges

Feature Essential Range
MIT1015
MIT515/2
Advanced Range
MIT525/2
MIT1025/2
MIT1525/2
Expert Range
S1-568/2
S1-1068/2
S1-1568/2
High Guard Termial Performance
IR
IR(t)
PI Polirasation Index
PI Predictor
DAR Dielectric Absorption Ratio
DD Dielectric Discharge  
Ramp Test  
RE>Act mode
PDC test  
Max. voltage available 5kV or 10kV 5kV, 10kV or 15kV 5kV, 10kV or 15kV
Default maximum current 3mA 3mA 6mA
User selectable max. current values n/a 1mA, 3mA, 6mA (6mA only from main supply) 1mA, 2mA, 3mA, 4mA, 5mA, 6mA (6mA from internal battery and mains supply
Max. noise current with measurement withing accuracy spec.  3mA (LV and MV <45kV)  6mA (HV <230kV)  8mA (EHV <1000kV)
Adaptive filter     
Negative current handling 
Averaging filter     
CAT IV 1000V  
CAT IV 600V
Hazardous peak voltage detection during IR measurement  
On-board - time stamped  
Temperature value stored  
Humidity value stored    
Test results transfer via wired USB  
Test result transfer via wireless Bluetooth LE  
Test result live streaming via wired USB  
Test result live streaming via wireless Bluetooth LE  
Remote control via wired USB    
New custom colour display
Carry all holdall
Deeper lid pouch
CertSuite Asset Lite compatible  
CerSuite Assert compatible  
Power DB Lite supplied free  
Power DB Advance or Pro support  

part number: 1016-112

Key Features

  • Test voltage range from 250V to 10,000V
  • Resistance range from 10kΩ to 35TΩ
  • Capacitance range: 10nF to 25µF
  • ±5% accuracy up to 2TΩ at 10kV
  • RE>Act mode and PI Predictor
  • PDC, SV, DD, DAR, Ramp test capabilities
  • Remote control via USB
  • CAT IV 600V safety rating up to 3000 m altitude
  • IP65 rated (lid closed)
  • Dual-case design
  • CertSuite Asset Lite compatible

What's In The Box?

  • 1 × 3 m lead set with medium, insulated clips (rated for 5 kV use)
  • 1 × 3 m lead set with large, insulated clips (rated for 10 kV use)
  • Screened USB cable with filters
  • Remote control indicator beacon
  • Power lead
  • Quick start guide
  • CertSuite Asset Lite software access
Specification
    For detailed specifications on the Megger S1-1068/2 Expert 10kV HV Insulation Resistance Tester, please on the brochure below.
Label Type Size Download
pdf Megger Expert Range Preview pdf 3 MB Download

Please see our terms and conditions for full details of TM Care & Protect.

Everything you’re likely to require for the next 3 or 5 years:

✅ Annual calibrations included
No further calibration costs for either 3 or 5 years

✅ Free collection and return for annual calibration
No hidden postage costs when it’s time for calibration

✅ ‘Zero-Downtime’ for the life of your care plan
Free loan equipment should your purchase ever need sending away for repair

✅ Anti-theft protection 
Each care plan includes a SmartTrace Forensic Marking kit that acts as a deterrent for your test equipment and other tools

✅ Instrument cleaning kit
Cleaning kit included with each TM Care & Protect plan

Our hope is that TM Care & Protect will bolster our commitment to support you throughout your journey with us, providing you peace of mind from the hassles of annual servicing, potential tool theft and loss of earnings.

Ensures complete reliability, minimised downtime and peace of mind. TM Care & Protect packages include:

✅ Annual Calibration
No further calibration costs for up to 5 years.

✅ Zero Unplanned Downtime
In case of any unforeseen repairs, we provide FREE loan instruments so you can continue working.

✅ Theft Deterrent Kit
Each care plan includes a SmartTrace forensic marking kit: The UK's most powerful theft deterrent. Use on your test equipment, van and tools.

✅ No Shipping Cost
Includes collection and return deliveries when it's time for calibration.

✅ Instrument Cleaning Kit
Avoid preventable issues by keeping your test equipment clean.

Our hope is that TM Care & Protect will bolster our commitment to support you throughout your journey with us, providing you peace of mind from the hassles of annual servicing, potential tool theft and loss of earnings.

Please see our terms and conditions for full details of TM Care & Protect.