... accurate results at 0.1% readability. And with it is infrared heating element, the MB23 is ideal for textiles, wastewater, ceramics, food ... and other applications that requires an IR heating element and measurements to 0.1%. 2. Simple to Operate ... -232Timer:1 - 99 minutes, 30-second increments to 60minutesHeat source:Infrared (no glass)Temperature variations:50°C to 160°C in ...