Automatic Channel Delays

34980A

Automatic Channel Delays

If you do not specify a channel delay, the instrument selects a delay for you. The delay is determined by the function, range, integration time, and ac filter setting as shown below.

DC Voltage, Thermocouple, DC Current (for all ranges):
 

Integration Time

Channel Delay

PLC > 1

2.0 ms

PLC ≤ 1

1.0 ms

 

Resistance, RTD, Thermistor (2- and 4-wire):
 

Range

Channel Delay (for PLC > 1)

100Ω

2.0 ms

1 kΩ

2.0 ms

10 kΩ

2.0 ms

100 kΩ

25 ms

1 MΩ

30 ms

10 MΩ

200 ms

100 MΩ

200 ms

 

Range

Channel Delay (for PLC ≤ 1)

100Ω

1.0 ms

1 kΩ

1.0 ms

10 kΩ

1.0 ms

100 kΩ

20 ms

1 MΩ

25 ms

10 MΩ

200 ms

100 MΩ

200 ms

 

AC Voltage, AC Current (for all ranges):
 

AC Filter

Channel Delay

Slow (3 Hz)

7.0 seconds

Medium (20 Hz)

1.0 second

Fast (200 Hz)

120 ms

 

Frequency, Period:
 

AC Filter

Channel Delay

Slow (3 Hz)

600 ms

Medium (20 Hz)

300 ms

Fast (200 Hz)

100 ms

 

Digital Input, Totalize:
 

Channel Delay

0 seconds