User manual for the SIMCO FMX-003 fieldmeter with safety, operation, specifications and maintenance instructions.
The FMX-003 fieldmeter is an electrostatic measurement instrument designed for tracing and measuring static charges. It operates with a 9 V alkaline battery and provides voltage readings up to ±20 kV at a fixed measuring distance of 25 mm.
The manual covers safety guidelines, step‑by‑step operation, battery replacement, calibration, fault troubleshooting and disposal. It also explains the ion‑balance measurement function and how to disable the automatic power‑off feature.
| Power supply | 9 V DC alkaline battery (6LR61) |
|---|---|
| Measuring range | 0 – ±1.49 kV (Lo) / ±1 – ±20 kV (Hi) |
| Ion balance range | 0 – ±200 V |
| Measuring distance | 25 mm |
| Response time | < 1 second |
| Accuracy | ± 10 % |
| Operating temperature | 10 – 40 °C |
| Relative humidity | 0 – 60 % RH (non‑condensing) |
| Size (L×W×H) | 123 mm × 73 mm × 25 mm |
| Weight | 170 g |
The 9 V alkaline battery provides approximately 30 hours of operation.
Press and hold the red POWER button for at least three seconds when turning the FMX‑003 on.
The instrument must be held 25 mm from the surface, indicated by the distance LEDs forming a single circle.