IP-27 Solid-state regulated low-voltage power supply. Zener reference voltage. Virtually immune to overload from transients. Relay protected against shorts and overload. 0.5--50-v DC with better than plus or minus 15 millivolt regulation. Four current ranges: 50, 150 and 500 ma., and 1.5 A. Current limiter: 30-100% on all ranges. Panel meter shows output voltage and current. No weight given. Kit, 1968 price: $76.95. Model IPW-27 (Assembled), $119.95.