FLUKE 2680A-DIO 数据采集系统

Normal mode rejection: 50 dB @ 50/60 Hz, ± 0.1 %

Totalizing input: Threshold: 1.4 V

                          Rate: 0-5 kHz (debounce off)

                          Hysteresis: 500 mV

                          Input debouncing: none or 1.66 ms

Digital Inputs/Outputs: 20: Threshold: 1.4 V

                                           Hysteresis: 500 mV

                                           Maximum input: +30V, min –4 V; non-isolated Logical “zero” output:

Relays (2680A-DIO): Quantity: 8

                                  Type: form C; DPST

                                  Current: 1 amp, non-inductive

                                  Operation time: 75 ms

Alarm associations: Each Digital I/O may be randomly assigned as a digital input, status output, or alarm output (associated with any input channel or channels)

Clock: Accurate to within 1 minute/month for 0 °C to 50 °C range

Power, battery life: 100 to 240 V ac, 50 or 60 Hz 100 VA max, or 9 to 45 V dc at 120 V ac the equivalent dc voltage ~14.5 V

Altitude: Operating: 2000 m

              Storage: 12,200 m

Operating Temperature: –20 °C to 60 °C (–4 °F to +140 °F)

Storage Temperature: –40 °C to 70 °C (–40 °F to +158 °F)

Size: 18.6” x 17 “ x 9.3” (473 mm x 423 mm x 237 mm)

Weight: 1.75 lbs. (0.80 kg)