Electrical Power Testers
High-precision ISO 17025 calibratable instruments with instant B2B datasheet downloads and direct corporate contact info.
SANFIX BM-5200 5000V Heavy-Duty Insulation Resistance Analyzer (1 TΩ)
Industrial 5kV insulation diagnostic analyzer with Polarization Index (PI) and Dielectric Absorption Ratio (DAR) calculation for substation transformers.
SANFIX BM-5300 10kV High-Voltage Insulation Diagnostic Tester (2 TΩ)
Heavy utility 10,000V insulation meter with Dielectric Discharge (DD) and Step Voltage (SV) modes for extra-high-voltage grid equipment.
SANFIX BM-5400 Handheld Multi-Function Insulation & DMM Combo (1000V)
Combines a full 1000V insulation tester with a True RMS digital multimeter in one compact handheld unit for field service electricians.
SANFIX BM-5500 Solar Photovoltaic (PV) Insulation & Array Tester (1500V)
Dedicated solar array insulation tester measuring open circuit voltage (Voc up to 1500V) and insulation resistance on live energized PV strings.
SANFIX ET-4105 Precision Digital Earth Ground Resistance Tester (0-2000Ω)
3-pole and 2-pole fall-of-potential earth resistance meter for lightning protection grounding rods and building electrical grounding grids.
SANFIX ET-4106 4-Pole Soil Resistivity (Wenner Method) & Earth Tester
4-terminal ground tester measuring soil resistivity (Rho in Ω·m) using the Wenner method for grounding grid engineering and geological surveys.
SANFIX ET-4108 Clamp-On Ground Earth Resistance Tester (Stakeless)
Stakeless clamp-on earth ground tester measuring loop resistance (0.01Ω to 1000Ω) directly on grounding wires without disconnecting earth rods.
SANFIX ET-4200 High-Frequency Lightning Protection Grounding Tester
High-frequency impulse grounding resistance tester simulating fast lightning stroke transient response (up to 100 kHz) for telecommunications towers.
SANFIX DT-9205A True RMS Digital Multimeter (CAT III 1000V / 20A)
Heavy-duty 1999-count True RMS digital multimeter with 1000V AC/DC, 20A current, capacitance, transistor hFE, and continuity buzzer.