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Specs: Comparing the Reading Rates of Integra Mainframes

Question :

Specs: Comparing the Reading Rates of Integra Mainframes

Answer :

Product(s) :
Integra Mainframe: 2700, 2701, 2750

 


Question : How do the speeds of the 2700, 2750 and 2701 compare?


Answer:

The Integra series of products consist of three Models of mainframe: 2700, 2750 and 2701.

Each mainframe can acquire data at different rates. The Model 2700, which which was the first model, has a certain data rate. The Model 2750 is faster than the Model 2700. The Model 2701 is faster than the Model 2750. The table below shows how the models compare for a particular function (VDC), range (10 volts) at two different speed settings.

 10VDC Range, 1 PLC, Auto Zero Off 
 
 10VDC Range, 0.01 PLC, Auto Zero Off 

Model

Into Memory

Across Bus

2700

56
50

2750

57
55

2701

59
59
 

Model

Into Memory

Across Bus

2700

378
271

2750

609
444

2701

2631
1639

Other information about how these benchmarks were obtained: The data for the Model 2700 and 2750 was obtained using Single precision Real format transfer (Binary transfer) across GPIB. The data rates for the Model 2701 were obtained using the ASCII transfer. All of the data rates for each unit were with the digital filters disabled, 100 readings and the display disabled. The mainframes were programmed with SCPI commands

These benchmark data are just a small sampling for the purpose of comparing the speeds both into memory and across the bus for the various Integra series mainframes; it does not take into account any additional settling time requirements for when 77xx switching modules are used.

 


©Copyright 2003, Keithley Instruments, Inc.


This FAQ Applies to:

Product Series: Keithley 2700 Multimeter/Data Acquisition/Switch Systems

Product:

FAQ ID 71486

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