OMEGA Engineering, Inc. RTD Thermometers 868 and 869

SPECIFICATIONS Sensor: 3- or 4-wire 100 ω Platinum RTD α=0.00385 Accuracy: Includes DIN 43760 conformity (no points), repeatability, temperature coefficient (18 to 28°C ambient), time stability (1 year) and errors with up to 50 ω of resistance in each lead; excluded probe errors Repeatability: Less than 0.2°F typical for one week at constant ambient temperature Temperature Coefficient: 18 to 28°C (64 to 82°F); included in accuracy specification; less than 18°C (64°F) or greater than 28°C (82°F) less than ±(0.015°C)/°C Maximum Lead Resistance: 4-wire:50 ω max; 3-wire: 10 ω max Display: 3½ digit LCD, 13 mm (0.5") height; polarity, decimal point, open sensor and overrange indication Reading Rate: 1.5 per second Battery Life: 500 hours typical, with 9V alkaline battery (included) Battery Indicator: Display reads "LO BAT" when less than 10% of life remains Linearization: Ratiometric dual-slope A/D with continuous linearization Mating Connection: OMEGA® series T instrumentation connectors (model TA4F and TA4FL), see section G Environmental Limits: Operating: -10 to 50°C (14 to 122°F), less than 80% RH, up to 35°C Storage: -35 to 60°C (-31 to 140°F), less than 90% RH, up to 35°C Maximum Common Mode Voltage: 42V peak Dimensions: 160 H x 69 W x 31 D mm(6.3 x 2.7 x 1.2") Net Weight: 210 g (7.5 oz)