A-7. 2640A/2645A Totalizer Specification; A-8. 2640A/2645A Real-Time Clock And Calendar - Fluke NetDAQ 2640A User Manual

2640A/2645A Totalizer
Table A-7 provides a summary of the Totalizer specifications. The Totalizer input
is located on the DIGITAL I/O connector, terminals
Specification
Maximum Input Voltage
Minimum Input Voltage
Minimum Peak Voltage
Isolation
Threshold
Hysteresis
Input Debouncing
Maximum Transition Rate
Maximum Count
2640A/2645A Real-Time Clock and Calendar
Table A-8 provides a summary of the battery powered real-time clock and
calendar.
Table A-8. 2640A/2645A Real-Time Clock and Calendar
Specification
Accuracy
Battery Life
2640A Specifications
This section includes specifications specific to the 2640A instrument by
measurement function.
Table A-7. 2640A/2645A Totalizer Specification
and GND.
Characteristic
30V
-4V
2V
None (dc coupled)
1.4V
500 mV
None or 1.75 ms (selectable)
5 kHz (Debounce disabled)
500 Hz (Debounce enabled)
4,294,967,295
Characteristic
1 minute per month for 0 C to 50 C range
>15 unpowered instrument years for -20°C to
28 C (32 F to 82.4 F).
>6 unpowered instrument years for -20 C to
50 C (32 F to 122 F).
>4 unpowered instrument years for 50 C to
70 C (122 F to 158 F).
Specifications
A
2640A Specifications
A-10.
A-11.
A-12.
A-7