Megger S1‑1068 10kV High-Performance Insulation Resistance Tester Review
Table of ContentsMegger S1‑1068
A 10 kV diagnostic insulation resistance tester engineered for utility-scale reliability analysis.
Where the S1‑1068 Fits in the S1 Platform
The S1‑1068 is the 10 kV member of Megger’s S1 insulation resistance testing family. Positioned between the 5 kV and 15 kV variants, it offers a balanced solution for high-voltage testing requirements without stepping into the highest voltage class.
Designed for professionals operating in power generation, transmission, and distribution sectors, this model supports structured insulation evaluation programs where precision and repeatability are critical.
Resistance Capability
Up to 35 TΩ
Enables measurement of very high insulation resistance values.
Safety Classification
CAT IV 600 V
Rated for operation up to 3000 m altitude.
Comprehensive Diagnostic Testing
Beyond simple insulation resistance measurement, the S1‑1068 integrates multiple diagnostic modes to provide deeper insight into insulation condition trends.
- Insulation Resistance (IR)
- Time-based Resistance – IR(t)
- Dielectric Absorption Ratio (DAR)
- Polarization Index (PI)
- Stepped Voltage (SV)
- Ramp Test
- Dielectric Discharge (DD)
The unit also incorporates up to 8 mA noise rejection with multiple filtering options, improving reliability in electrically noisy substations and industrial sites.
Field-Ready Construction & Operation
The Megger S1‑1068 is designed for demanding field environments. Its enclosure provides IP65 protection when closed and IP40 when open.
The tester operates within a temperature range of −20 °C to 50 °C and weighs approximately 4.5 kg for the 10 kV configuration, allowing practical transport without compromising robustness.
A rapid-charge lithium-ion battery powers the instrument, compliant with IEC62133. If the battery becomes depleted, the unit can continue operating directly from an AC source.
Data Handling & Connectivity
Modern maintenance programs require reliable data recording and reporting. The S1‑1068 includes:
- Large backlit color display
- USB Type‑B interface
- Bluetooth Class 2 connectivity
- Memory storage with time/date stamping
- Remote control via USB connection
Technical Summary – Megger S1‑1068
| Category | Specification |
|---|---|
| Model | S1‑1068 |
| Maximum Test Voltage | 10 kV |
| Maximum Resistance | 35 TΩ |
| Safety Rating | CAT IV 600 V (3000 m) |
| Ingress Protection | IP65 closed / IP40 open |
| Battery | Rapid-charge Li-ion (IEC62133) |
| Weight | Approx. 4.5 kg |
Engineering Perspective
The Megger S1‑1068 is engineered for professionals who require structured insulation diagnostics with 10 kV capability and extended resistance range. Its combination of advanced testing modes, strong safety rating, and modern data connectivity makes it a practical solution for high‑voltage asset reliability programs.
