Safety Information …………………………………………… 4 2-1 Cautions ………………………………..………..… 4 2-2 Safety Symbols ………………………..…..……… 4 3. Specifications……………………………………...…………. 5 4. Operation Instructions……………………………………… 6 4-1 Unit Diagram ……………………………………… 6 4-2 Measuring Procedure ……………………….…... 7 4-3 Humidity & Temperature Measurement ..……… 7 4-4 DEW Point Measurement .…………….………… 7 4-5 Data Hold ……………………....………………… 7 4-6 Data Record (MAX/MIN) ………………………… 7 4-7 Auto Data Logger ………………………………… 7 4-8 Manual Data Logger ………