OBSOLETE -The Automatic Timing and Control ( ATC ) 423A300F10XX is a digital set LED bargraph display timer packaged in a 1/16 DIN housing. Each of the five LED's blink indicating elapsed timing increments of 20%. All five light at the end of the timing cycle. Positive indication of the setpoint is shown on the front of the ATC 423. Each digit can be changed by rotating the setting knobs. The decimal point and sec./min./hr/ range are also clearly displayed. The decimal point and sec./min./hr. select switches are located on the side of the unit, so that when panel mounted, these switches are not accessible to the operator. This tamper proof feature prevents unauthorized or hazardous changes to the timing range from being made. The ATC 423 utilizes a crystal controlled oscillator which provides 0.1% timing accuracy across all rated voltages and temperatures. The ATC 423 uses the 8 PIN (Octal) socket common on most small TDR's. (Use p/n TAT8258500 for surface/DIN rail socket). This ATC TDR is UL, CSA and CE approved. The ATC p/n is 423A300F10XX.
THIS TIMER IS OBSOLETE. Please review the 405 or 425 as a replacement.
ATCTIMERTDR
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