speification of DTM-323:
Display: 3 ½ digit liquid crystal display (LCD) with a maximum
reading of 1999
Polarity: Automatic, positive implied, negative polarity
indication.
Low battery indication: The “ ” is displayed when the battery
voltage drops below the operating level.
Operating environment: 0°C to 50°C at<80% R.H.
Storage environment: -20°C to 60°C, 0 to 70% R.H. with
battery removed from meter.
Accuracy: Stated accuracy at 23°C±5°C, <75% R.H.
Battery: 1.5Vx4pcs AAA size.
Dimensions: 160mm(H) x 83mm(W) x 38mm(D).
Weight: approx. 265g including batteries.
Temperature Range
Range: -50°C to 1000°C, -50°F to 1832°F
Accuracy:
±(0.1% rdg+1°C) on 50°C to 1000°C
±(0.1% rdg+2°F) on -50°F to 1832°F
Temperature
Sensor: Thermistor temperature sensor
Range: 0°C to 60°C, 32°F to 140°F
Resolution: 0.1°C/°F
Accuracy:
±2°C on 0°C to 10°C, ±0.5°C on 10°C to 45°C
±2°C on 45°C to 60°C
±4°F on 32°F to 50°F, ±1°F on 50°F to 113°F
±4°F on 113°F to 140°F
Relative Humidity
Sensor: Capacitive humidity sensor
Range: 0% to 100% RH
Accuracy:
±2.5% at 25°C(77°F), 10% to 90% RH
±5% at 25°C(77°F), 0% to 10% RH, 90% to 100% RH
Sensor Response Time for 90% of Total Range:
60 sec typical.