The 450 series themometers consist of a familiy of highly reliable precision, hand held temperature measurement instruments. Models are available for most thermocouple types as well as RTD and thermistor temperature sensors.
Thông số kỹ thuật
*Normal Mode Rejection: 50 dB at 50 or 60 Hz
*Common Mode Rejection: 140 dB at 50 or 60 Hz
*Maximum Common Mode Voltage: 1000 Vac, +2000 V peak
*Measurement Technique: Dual-slope A/D conversion
*Linearization: 100% digital. Typically 100 segments, depending on range selected
*Reference Junction Update Rate: 2 readings/second typical
*Battery: 9 V alkaline Battery Life: 2,000 hours, thermocouple; 1,200 hours, thermistor; 500 hours, RTD
*Dimensions: 7.0 H x 3.3 W x 1.8" D (178 x 84 x 46 mm)
*Weight: 9 oz (255 g)
*Display: 0.3" (7.62 mm)
*LCD Indication: °F/°C selectable
*Operating Range: 0 to 50°C ambient
*Accuracy Over Time: 90 days: add ±0.05% rdg; 1 year: add 0.1% rdg
*Temperature Drift: Zero: +2 µV/°C; Span: ±0.02%/°C
*robe Connection: Standard OMEGA ® Subminiature Connector (thermocouple); 1 /4 " Phone Jack (Thermistor); OMEGA ® Mini *RTD Connector TA3F (RTD) mating connector supplied with RTD and thermistor units
*Storage Temperature: -20 to +70°C