Agilent E4401B, E4402B, E4404B, E4405B, and E4407B Technical Specifications ESA-E Series Spectrum Analyzers These specifications apply to the Agilent Technologies E4401B, E4402B, E4404B, E4405B, and E4407B spectrum analyzers.
Yes, you can predict the speed of a scan using the instrument's specifications and a little bit of math.It is important to note that scanning speeds will vary depending on where the measurement data is being sent during the scan (i.e., to instrument memory, to the GPIB interface, to the RS-232 interface, etc.). The fastest measurements are possible when you configure the 34970A to scan directly to internal memory with one channel configured for dc voltage measurements. It is also important to realize that the overall speed of a scan is dependent upon the type of measurement being made. For example, the 34970A can make dc voltage measurements much faster than ac voltage measurements.Example: Assume that the 34970A is configured as shown below.34901A Module in slot 1.
(general purpose measurement channels, 101 through 120, current measurement channels, 121 & 122), Channel configuration: 1 channel of dc current and 15 type J thermocouple measurements. SCPI commands: CONF:CURR:DC (@121); CONF:TEMP:TC J,(@101:115).34902A Module in slot 2: (16 general purpose high speed measurement channels 201 through 216), Channel configuration: 12 channels of dc volts and 4 channels of ac volts. SCPI commands: CONF:VOLT:DC (@201:212); CONF:VOLT:AC (@213:216).DMM Configuration per channel:Resolution of 4 ½ digits, 1 Amp range for current: SENS:CURR:DC:NPLC 0.02,(@121); SENS:CURR:DC:RANG 1,(@121);Resolution of 4 ½ digits for temperature: SENS:TEMP:NPLC 0.02,(@101:115);Resolution of 4 ½ digits, 10V range for dc volts: SENS:VOLT:DC:NPLC 0.02,(@201:212); SENS:VOLT:DC:RANG 10,(@201:212);Resolution 4 ½ digits, 100 mV range with 200 Hz fast filter for ac measurements (to go as fast as possible).
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SENS:VOLT:AC:BAND 200,(@213:216); SENS:VOLT:AC:RANG 0.1,(@213:216). NOTE: All of these setups can be done with additional parameters in the CONFigure commands, but they are separated here for clarity.Scan directly into 34970A memory. ROUT:SCAN (@101:115,121,201:216); ROUT:CHAN:DEL 0,(@101:216); TRIG:SOUR IMM; TRIG:COUN 1000; INIT.Solution: The specifications that are important for this calculation are listed below. System Speeds (assume 4 1/2 digits, delay 0, display off, autozero off).34901A Scan Rate (dc current, 200 Hz filter): 8 readings/sec.34901A Scan Rate (temperature): 60 channels/sec.34902A Scan Rate (dc volts): 250 channels/sec.34902A Scan Rate (ac volts): 8 readings/secAll of the above information is required to calculate the total scan time. To achieve the fastest possible throughput, it is important that you set the range for each channel, set the digits of resolution, select a zero delay (also known as settling time), turn the front-panel display off, turn autozero off, and select a short integration time (small number of PLCs). The additional commands required for this are: ROUT:CHAN:DEL 0,(@101:216); DISP OFF; SENS:ZERO:AUTO OFF,(@101:216).The next step is to calculate the total scan time:.34901A (1 dc current measurement) = 1/8 = 0.125 seconds.34901A (15 temperature measurements) = 15/60 = 0.25 seconds.34902A (12 channels of dc voltage measurements) = 12/250 = 0.048 seconds.34902A (4 channels of ac voltage measurements) = 4/8 = 0.50 secondsTotal Scan Time = 0.125 + 0.25 + 0.048 + 0.50 = 0.923 seconds.
Key Features & Specifications Measurement Capability. 6½ digit resolution.
10 measurement functions: DC/AC voltage, DC/AC current, 2- and 4-wire resistance, diode, continuity, frequency, period. Basic accuracy: 0.0035% DC, 0.06% AC. 1000 V max voltage input, 3 A max current inputSystem Capability.
1000 readings/second. 512 reading memoryDescriptionThe Keysight (Agilent) 34401A is the world´s best selling benchtop Digital Multimeter (DMM). Great Bench PerformanceMeasurements are displayed on a bright, high-visibility readout. Math functions, such as NULL, dB, dBm, limit test, min/max/avg and dc voltage ratios are easily selected from the clear, logical front panel.
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A simple menu gives you access to powerful features, such as storing up to 512 readings in internal memory. Traditional 'bench' functions, such as continuity and diode test, are also included. Superior Performance in Your SystemGPIB and RS-232 are standard.
You'll save time putting the 34401A into a system too. SCPI, HP 3478A, and Fluke 8840/8842A command languages are built in, so you won't have to rewrite your existing software.
PC Connectivity SoftwareIntuiLink, free PC connectivity software for many of Keysight (Agilent)'s leading instrument families, provides direct access from your PC applications to the instruments that set up and take measurements. IntuiLink lets you spend less time struggling with instrument data, and more time using it, analyzing it, putting it to work. IntuiLink's PC Application toolbar allows you to easily transfer measurement data and images into your familiar PC applications like Microsoft Office Excel and Word, with little or no programming. The ActiveX control feature allows you to control instruments from your PC, providing built-in routines for simple test system automation that streamline repetitive or complex tasks. Integration between instruments and key PC applications has never been tighter.