Fig. 7
From: Enhancing energy efficiency in buildings using sawdust-based insulation in hot arid climates
Measurement and control system: 1—Transformer AC 220V to DC 12V; 2—1. Temperature control board; 3—Digital Watt Meter Power energy; 4—CT Coil; 5—Thermocouple; 6—The heat lamp; and 7—PVC box.
