The range includes three models: S1-568/2 (5 kV), S1-1068/2 (10 kV), and S1-1568/2 (15 kV). All are trusted by utility engineers, OEMs, and commissioning teams working on critical assets like transformers, cables, switchgear, and bushings.

The adaptive filter, nearly unique to Megger, monitors the rate of change in noise current and applies dynamic damping to prevent test current distortion. It predicts spikes that would otherwise affect results and stabilises readings — even during energisation events or switching noise.

Test modes include IR, DAR, PI, DD, SV, ramp, and PDC (with software). PI Predictor™ reduces Polarisation Index test time by up to 50%, and RE>Act™ shows when insulation is safe to retest, saving time and reducing risk.

Fully remote control via Bluetooth® or USB enables testing from a safe distance — or even from the comfort of an air-conditioned vehicle during extreme site conditions. Onboard memory and no-dongle Bluetooth® make data transfer seamless. High-performance guard terminals ensure measurement accuracy even with high surface leakage.

With CAT IV safety ratings, robust design, and powerful time-saving tools, the Megger Expert range gives HV professionals the speed, safety, and confidence they need to test without compromise.

Standard accessories

S1-568/2-UK EXPERT 5kV IRT 2024 PIP 1016-104

S1-568/2-EU EXPERT 5kV IRT 2024 PIP 1016-105

S1-568/2-US EXPERT 5kV IRT 2024 PIP 1016-106

S1-568/2-AU EXPERT 5kV IRT 2024 PIP 1016-107

S1-568/2-IN EXPERT 5kV IRT 2024 PIP 1016-108

S1-568/2-CN EXPERT 5kV IRT 2024 PIP 1016-109

S1-568/2-BR EXPERT 5kV IRT 2024 PIP 1016-626

S1-1068/2-UK EXPERT 10kV IRT 2024 PIP 1016-110

S1-1068/2-EU EXPERT 10kV IRT 2024 PIP 1016-111

S1-1068/2-US EXPERT 10kV IRT 2024 PIP 1016-112

S1-1068/2-AU EXPERT 10kV IRT 2024 PIP 1016-113

S1-1068/2-IN EXPERT 10kV IRT 2024 PIP 1016-114

S1-1068/2-CN EXPERT 10kV IRT 2024 PIP 1016-115

S1-1068/2-BR EXPERT 10kV IRT 2024 PIP 1016-627

S1-1568/2-UK EXPERT 15kV IRT 2024 PIP 1016-116

S1-1568/2-EU EXPERT 15kV IRT 2024 PIP 1016-117

S1-1568/2-US EXPERT 15kV IRT 2024 PIP 1016-118

S1-1568/2-AU EXPERT 15kV IRT 2024 PIP 1016-119

S1-1568/2-BR EXPERT 15kV IRT 2024 PIP 1016-628

Included Accessories (all models)

Quick Start Label

Power lead

Screened USB cable with filters Contact Sales team

Remote control indicator beacon Contact Sales team

Included Accessories (Specific models only)

5 kV, 3 m (9 ft) x 3, medium insulated clips –

S1-568/2 and S1-1068/2 only 1008-022

10 kV, 3 m (9 ft) x 3, large insulated clips – S1-1068/2 only 1007-311

15 kV, 3 m (9 ft) x 3, X-large insulated clips – S1-1568/2 only

1002-949

Recommended options

OPTIONAL TEST LEAD SETS

Optional Accessories

HV test lead sets (S1-568/2, S1-1068/2 only)

5 kV 3 m (9 ft) x 3, medium insulated clips 1008-022

5 kV, 5 m (16 ft) x 3, medium insulated clips 1002-641

5 kV, 8 m (26 ft) x 3, medium insulated clips 1002-642

5 kV, 10 m (32 ft) x 3, medium insulated clips 1002-643

5 kV, 15 m (49 ft) x 3, medium insulated clips 1002-644

Description Part number

10 kV, 3 m (9 ft) x 3, large insulated clips 1007-311

10 kV, 5 m (16 ft) x 3, large insulated clips 1002-645

10 kV, 8 m (26 ft) x 3, large insulated clips 1002-646

10 kV, 10 m (32 ft) x 3, large insulated clips 1002-647

10 kV, 15 m (49 ft) x 3, large insulated clips 1002-648

10 kV, 25 m (82 ft) x 3, large insulated clips 1003-201

10 kV, 30 m (98 ft) x 3, large insulated clips 1003-202

OPTIONAL HV TEST LEAD SETS

Description Part number

Screened – HV test lead sets (S1-568/2, S1-1068/2 only)

10 kV, 3 m (9 ft) screened un-insulated small clips 6220-834

10 kV, 10 m (9 ft) screened un-insulated small clips 6220-861

10 kV, 15 m (9 ft) screened un-insulated small clips 6220-833

Optional accessories – 1kV test lead sets (S1-568/2, S1-1068/2 only)

5/10 kV fused test probe and clip 1002-913

5/10 kV control circuit test 6220-822

Optional accessories – 1 kV test lead sets (S1-1568/2 only)

15 kV fused test probe and clip 1005-265

15 kV control circuit test 1005-264

HV test lead sets (S1-1568/2 only)

15 kV, 3 m (9 ft) x 3, large insulated clips 1002-949

15 kV, 5 m (16 ft) x 3, large insulated clips 1005-259

15 kV, 10 m (32 ft) x 3, large insulated clips 1005-260

15 kV, 15 m (49 ft) x 3, large insulated clips 1005-261

Description Part number

Screened HV test lead sets (S1-1568/2 only)

15 kV, 3 m (9 ft) screened un-insulated small clips 1005-266

15 kV, 10 m (32 ft) screened un-insulated small clips 1005-267

15 kV, 15 m (49 ft) screened un-insulated small clips 1005-268

15 kV, 20 m (65 ft) screened un-insulated small clips 1005-269

Other

CB101 5 kV Calibration Box 6311-077

Calibration certificate 1000-113

Spare Li-ion battery pack 1002-552

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