Dickson ET855 Universal Input Chart Recorder, 8"

one red pen, one blue pen, and 120 VAC adapter. (order chart paper below)

Microprocessor-based chart recorder accepts either current or voltage inputs. Ideal for logging remote transmitter signals. Simply connect your two-wire system to rear mounted terminal strip. Four-digit LCD display has ±1 digit accuracy. Choose from eight display output ranges (including 0 to 14-ideal for pH) to match your application. Recorder accuracy is ±0.3% full-scale, ±1 digit.

Recorder features audio and visual alarms with user-adjustable high and low set-points, output ranges, and recording times. Use one 9 V battery (not included) for short-term back-up during power failure. Wall-mount recorder with keyhole slots in rear panel.