Instruction manual for A&D GF series precision balances covering operation, calibration, RS‑232C interface and maintenance.
This manual describes the basic operation, weighing units, functions and safety precautions for the A&D GF series precision balances (GF‑200 to GF‑8000). It includes detailed instructions for unpacking, installing, calibrating and maintaining the instrument, as well as data communication via the RS‑232C serial interface.
The document also provides a full list of specifications, optional accessories, troubleshooting guidance and regulatory compliance information for laboratory use.
| Weighing capacity | 210 g (GF‑200) to 1100 g (GF‑1000) |
|---|---|
| Maximum display | 210.084 g (GF‑200) to 1100.084 g (GF‑1000) |
| Minimum weighing value (1 digit) | 0.001 g |
| Repeatability (standard deviation) | 0.001 g |
| Linearity | ±0.002 g to ±0.003 g |
| Stabilization time (FAST mode) | ≈1 second |
| Sensitivity drift (10 °C‑30 °C) | ±2 ppm/°C |
| Operating environment | 5 °C to 40 °C, ≤85 % RH |
| Display refresh rate | 5–10 times/second |
| Net weight | ≈3.8 kg |
| Power consumption | ≈11 VA |
| Interface | RS‑232C serial |
The stabilization time is approximately 1 second.
The GF‑200 model can weigh up to 210 g.
Up to 40 sets of weighing data can be stored.
The balances use an RS‑232C serial interface for data output and control.