Thiết bị đo nhiệt độ Omega 871A
SPECIFICATIONS
Accuracy: &177;(0.25% of rdg + 1.8°F) for 1 year, 18 to 28°C (64 to 82 °F) ambient; includes NIST conformity (no data points), cold junction compensation and repeatability errors; excludes thermocouple errors
Repeatability: &177;0.2°C typical for 1 week at constant ambient temperature
Temperature Coefficient: 18 to 28°C (64 to 82°F); included in accuracy specification; 0 to 18°C (32 to 64°F) and 20 to 50°C (82 to 122°F); less than &177;(0.025% of reading) + 0.1°C
Linearization:
Model 871A: Multislope A/D with 11 piece-wise linear segments from -40 to 1370°C (-40 to 1999°F)
Display: 3½ digit LCD, 15 mm (0.6") height, polarity, decimal point, open sensor, overrange and open thermocouple indication
Reading Rate:2.5 per second
Battery Life: 100 hours typical, with 9 V alkaline battery (included)
Battery Indicator: Display reads "BAT" when less than 10% of life remains
Analog Output: 1 mV/Degree C (5/9 mV/Degree F) on 200° ranges; 0.1 mV/Degree C (5/9° F) on other ranges
Analog Output Accuracy: &177;3% &177; 1 mV on 200° ranges; &177;3% &177;0.1 mV on other ranges