450 Series High Precision Handheld Thermometers

Specifications

Display: 7.62 mm (0.3") LCD

Indicators: °F / °C selectable

Ambient Operating Temperature Range: 0 ~ 50°C (32 ~ 122°F)

Long-Term Accuracy Deviation: Add ±0.05% of reading for 90 days; add ±0.1% of reading for 1 year

Temperature Drift: Zero drift: +2 µV/°C; Span drift: ±0.02%/°C

Input Connections:

Standard OMEGA™ subminiature connector for thermocouples;

¼" phone jack for thermistors;

TA3F for RTD; mating connectors supplied with RTD and thermistor models.

Storage Temperature: -20 ~ 70°C (-4 ~ 158°F)

Normal Mode Rejection: 50 dB at 50 Hz or 60 Hz

Common Mode Rejection: 140 dB at 50 Hz or 60 Hz

Maximum Common Mode Voltage: 1000 Vac, 2000 V peak

Measurement Technology: Dual-slope analog-to-digital conversion

Linearization: Fully digital; typically 100 segments depending on selected range

Reference Junction Stability (Thermocouple): ±0.7°C from 5 ~ 45°C (±1.3°F from 41 ~ 113°F)

Input Resistance:

Thermocouple: 13 MΩ

Thermistor: 698 Ω

RTD: 21.2 kΩ

Update Rate: Typically 2 readings per second

Power Supply: 9V alkaline battery (included)

Battery Life:

2000 hours (Thermocouple input)

1200 hours (Thermistor input)

500 hours (RTD input)

Dimensions: 178 (H) × 84 (W) × 46 mm (D) (7.0 × 3.3 × 1.8")

Weight: 255 g (9 oz)

450 Series High Precision Handheld Thermometers Ordering Guide

Order Example:

450-AJT, Handheld Thermometer with Type J Thermocouple Input,

SC-450S, Carrying Case.

OCW-3, OMEGACARESM extends standard 2-year warranty to 5 years.