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NI9219 Datasheet(PDF) 6 Page - National Instruments Corporation |
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NI9219 Datasheet(HTML) 6 Page - National Instruments Corporation |
6 / 9 page 6/9 www.ni.com Best 50 Hz rejection 80 dB at 50 Hz High resolution 65 dB at 50 Hz and 60 Hz Excitation level for Half-Bridge and Full-Bridge modes Mode Load Resistance (Ω) Excitation (V) Half-Bridge 700 2.5 240 2.0 Full-Bridge 350 2.7 120 2.2 Excitation level for Resistance, RTD, and Quarter-Bridge modes Load Resistance (Ω) Excitation (mV) 120 50 350 150 1 k 430 10 k 2200 MTBF 384,716 hours at 25 °C; Bellcore Issue 2, Method 1, Case 3, Limited Part Stress Method Note Contact NI for Bellcore MTBF specifications at other temperatures or for MIL-HDBK-217F specifications. Power Requirements Power consumption from chassis Active mode 750 mW max Sleep mode 25 μW max Thermal dissipation (at 70 °C) Active mode 625 mW max Sleep mode 25 μW max Physical Characteristics Note For two-dimensional drawings and three-dimensional models of the C Series module and connectors, visit and search by module number. ni.com/dimensions Spring-terminal wiring 18 to 28 AWG copper conductor wire with 7 mm (0.28 in.) of insulation stripped from the end Weight 156 g (5.5 oz) Safety If you need to clean the module, wipe it with a dry towel. Safety Voltages Connect only voltages that are within the following limits. Channel-to-channel Continuous 250 VAC, Measurement Category II Withstand 1,390 VAC, verified by a 5 s dielectric withstand test Channel-to-earth ground Continuous 250 VAC, Measurement Category II Withstand 2,300 VAC, verified by a 5 s dielectric withstand test Zone 2 hazardous locations applications in Europe channel-to-channel and channel-to-earth ground 60 VDC, Measurement Category I Measurement Category I is for measurements performed on circuits not directly connected to the electrical distribution system referred to as MAINS voltage. This category is for 2 measurements of voltages from specially protected secondary circuits. Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics. Caution Do connect to signals or use for measurements within Measurement Categories II, III, or IV. not |
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