Freq: 5Hz-2kHz (-3dB). Range 5nT-2mT in five ranges with fixed band filters: 16.7Hz; 50Hz: 100Hz: 150Hz.
Power: 4 x 1.5v non-rechargeable D size cells.
Dimensions: 200mm x 300mm x 150mm. Weight: 2.6kg.
This is one of the earlier models of the Radians group (now Environmentor) physically larger and a little heavier than the present models but the measurement capabilities are the same.