Equipment information

Keithley 1941 Digital multimeter
Manufacturer:
Keithley
Model: 1941
Date: 1989
Category: Measurement instruments
Group: Digital multimeter
Description: High Speed Voltmeter
Information:

FEATURES The Model 194A High Speed Voltmeter is a high speed DC voltage sampling instrument suitable for a wide variety of applications, including the analysis of laboratory phenomenon, as well as the characterization of transient and periodic waveforms. The Model 194A can sample at rates up to 1MHz with 2 1/2 digit, 8-bit usable resolution, or up to 100kHz with 4 1/2 digit, 16-bit resolution. Each A/D channel has 64K bytes of memory allowing up to 65,535 samples to be stored for later analysis with one of the many Model 194A mathematical functions. Key Model 194A features include: • Autoranging—Autoranging allows the instrument to measure a wide dynamic range of input signals. • Zero—A zero feature allows a baseline signal level to be subtracted from subsequent readings. The baseline can either be taken from an applied signal, or keyed in from the front panel or programmed over the IEEE-488 bus. • Filtering—Internal analog filtering with selectable poles of 50kHz or 500kHz is available to reduce the effects of noise. • Math Functions—A number of mathematical functions including average, integral, standard deviation, true RMS, peak, and peak-to-peak are included with the instrument software. • Dual-channel Operation—Two separate, isolated A/D channels are available with the optional Model 1944A A/D Module installed. • IEEE-488 Interface—A standard feature of the Model 194A that allows the instrument to be controlled from a computer. • Real Time Output—This port allows instrument data to be transmitted to a computer or similar device at the sampling rate via a user-supplied Interface. • Programmable Sampling Rates—The instrument can be programmed to sample data as fast as 1MHz, or as slow as 1Hz. • Programmable Number of Samples—The number of samples per measurement sequence can be programmed to any value between 1 and 32,767 (16-bit resolution) or 1 and 65,535 (8-bit resolution). • Programmable Triggering—The instrument can be triggered from the input signal, an external trigger signal, from the other channel (when the Model 1944A option is installed), or over the IEEE-488 bus. Programmable triggering parameters include single or continuous modes, delay, slope, and level. • XY Mode—Allows the instrument to drive external display devices such as oscilloscopes and plotters. Internal Software allows easy generation of graphs from sampled data. • Translator Mode—Simplifies IEEE-488 programming by allowing the use of English-like syntax. • External Sample Control—Allows sample collection to be synchronized to external events

These manuals are available for the above equipment:

Manual Type: User Manual Keithley-11265-Manual-Page-1-Picture
Pages: 63
Size: 946.54 Kbytes (969258 Bytes)
Language: english
Revision: A
Manual-ID/Number: 194A-900-01
Date: 01 January 1989
Quality: Scanned document, all readable.
Upload date:
MD5: 8e05bba89b30c1f80118467bb7f5ac73
Downloads: 117 since 23 August 2018
Information:

Programming Manual USING THIS GUIDE This reference and programming guide contains condensed specifications, a summary of front panel operating controls, and IEEE-488 programming commands and examples for the Models 194A, 1941, and 1944A. It is intended to provide a quick reference to the many available features of your instrument as well as the many programming commands available to control the instrument over the IEEE-488 bus. Because of the limited amount space available in this guide, many details a bout'instrument operation will not be found here. Refer to the Model 194A Instruction Manual for aspects of instrument operation not covered in this guide. This guide describes the following aspects of the Model 194A: • Front panel operation including XY mode. • A description of mathematical functions. • Input and output signal connections. • IEEE-488 programming information, including commands, data and status formats, and example programs for typical controllers.

Keithley-11265-Manual-Page-1-Picture


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