The 3057 is a compact, dependable 150 mm portable recorder
designed for virtually every application, including field and laboratory
uses. It measures a mere 332 223 174 mm, (13-1/8 8-4/3
6-7/8"), and weighs only 5 kg (11 lbs) for one-pen, AC line operation
model.
Exceptionally high reliability and stability are packed into this
compact case. For example, the servo mechanism is an entirely
new, advanced system using a trouble-free, non-contact ultrasonic
pen position transducer.
The 3057 offers a full range of features . . . one or two pens, Zfold
or roll chart, vertical or flatbed, and remote control option.
Moreover, power source is user definable . . . external AC or DC,
internal rechargeable Ni-Cd battery or ten common 1.5 V batteries
(IEC R20P, ANSI D-size, Mono 1.5 V or equivalent).
