Description
The Astro‑Med Dash I/II Mark I is a self-contained thermal paper chart recorder with two galvo‑servo controlled channels and internal event markers. It’s capable of recording analog signals with selectable sensitivity (1 mV/mm to 1 V/mm) and attenuator settings across 13 steps. Chart speed is highly flexible, ranging from ~1 mm/min up to ~100 mm/sec (32 speed options), making it suitable for both slow and high‑speed monitoring tasks. The thermal writing mechanism produces crisp, sharp waveform traces and clear annotations, while requiring minimal upkeep — no ink or pen maintenance needed .
It supports internal timing, remote chart drive capability, and galvanometer-based closed-loop control for high fidelity recording. Frequency response is flat within ±1 dB to 30 Hz (over 50 mm range), and attenuator accuracy maintains linearity within 1 % of full scale . Powered by AC or internal battery, it’s ideal for versatile field and lab applications.
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