GPS‑8815A — Portable DC Low Resistance Tester
True 4‑wire (Kelvin) measurement · ≥ 1 A test current · 1 µΩ resolution
Compact, battery‑powered micro‑ohm tester with backlit LCD, on‑board memory (500 sets) and USB data export — ideal for field work, production and service labs.

Why choose GPS‑8815A?
High test current
Delivers ≥ 1 A for accurate low‑Ω measurements.
True Kelvin method
4‑wire technique eliminates lead resistance error.
Wide range
0.001 mΩ to 300.0 kΩ with 1 µΩ resolution.
Memory & USB
500 groups stored on device; export via USB.
Where GPS‑8815A excels
Transformer & motor winding
Measure winding resistance precisely.
Busbar & switchgear
Low‑Ω contact resistance tests.
Cables, joints & connectors
Verify connections and joints.
QA / Production / Field
Portable, robust and simple to use.
Advanced functions
Accuracy & protection
±0.1% FS (typ.), with overload & reverse‑polarity protection.
Memory & recall
Store 500 measurement groups with quick on‑device recall.
Backlight & auto power‑off
Clear LCD for low‑light sites; automatic power saving.
Model & key specifications
| Model | Method | Range | Resolution | Accuracy | Test current | Display | Memory | Interface |
|---|---|---|---|---|---|---|---|---|
| GPS‑8815A | 4‑wire Kelvin | 0.001 mΩ – 300.0 kΩ | 1 µΩ | ±0.1% FS (typ.) | ≥ 1 A | Backlit LCD | 500 groups | USB (export) |
What’s in the box & accessories
Main unit
GPS‑8815A instrument
Kelvin test leads
Red / Black 4‑wire leads
Comms & power
USB data cable; power charger
Docs & certificate
User manual; warranty / calibration certificate
Compliance & warranty
CE
IEC 61010‑1
RoHS
1‑year limited warranty (registration required). Calibration & support available.
Downloads & resources
Ready to evaluate GPS‑8815A for your application?
Request a quote