AEMC Model 6240 Micro‑Ohmmeter
- Description
Description
The Model 6240 is a rugged, four‑wire (Kelvin) micro‑ohmmeter designed for both plant and field use. It uses the four‑terminal (Kelvin) method to accurately measure very low resistances, eliminating the effect of lead and contact resistance. It offers selectable test currents (10 A, 1 A, 100 mA, 10 mA) and can measure resistances from around 5 µΩ up to 400 Ω with resolutions down to 1 µΩ. It comes with memory storage (up to 99 tests), connectivity (USB/PC software) and is suitable for both resistive and inductive loads.
Key Features & Specifications
-
Measurement range: ~ 5 µΩ to 400 Ω (six selectable ranges)
-
Resolution: Down to 1 µΩ in lowest range.
-
Accuracy: ±(0.25% of reading + 2 counts)
-
Test current selections: 10.2 A ±2%, 1.02 A ±2%, 102 mA ±2%, 10.2 mA ±2%
-
4‑wire Kelvin measurement method (eliminates lead resistance effects)
-
Polarity reversal function to help with inductive loads.
-
Internal rechargeable NiMH battery pack (6 V, 8.5 Ah) – can perform many tests on a charge.
-
Data memory: stores up to 99 test results, compatible with PC via software.
-
Rugged case, field/plant ready; user manual indicates operating ambient −10 °C to 55 °C, etc.
