The 450 series has been discontinued. contact our Temprature Engineering department.
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.
Specifications 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 Probe 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 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)
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