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Power Meters Quick Fact Sheet

Offering a comprehensive range of power meters. The ML2490A series has the performance required for narrow fast rising-edge pulse power measurements such as radar. The ML2430A series of power meters are designed for CW applications, offering a combination of accuracy, speed, and flexibility in a low cost package. P/N: 11410-00652

Brochure pdf 268.3 KB Version: D 4/2/2019

Power Meters, Power Sensors, and Power Analyzer Product Information, Compliance, and Safety

This guide provides important notices, warranty, safety, and regulatory compliance information for the Anritsu Power Meters, Power Master™, USB Power Sensors, Thermal Sensors, and Diode Sensors. Be sure to read these important notices before operating the equipment.

Datasheet pdf 1.3 MB Version: B 2/20/2018

Power Sensor Declaration of Conformity

The Power Sensor Declaration of Conformity is a special document issued by Anritsu to state that the product meets all of the applicable legislation and European directives. P/N: 10101-00008

Datasheet pdf 184.8 KB Version: C 2/20/2018

Power Sensors MA24xxA,B,D and MA2400xA

This manual provides descriptions and specifications for Anritsu Power Sensors that are used in conjunction with Anritsu power meters. It includes care, handling and performance verification information. P/N: 10585-00004

Operations Manual pdf 694.5 KB Version: U 7/6/2016

Power Measurement Solutions

Download this solution card for an overview of the Power Sensors and Meters available from Anritsu. P/N: 11410-00558

Leaflet pdf 1.2 MB Version: D 4/19/2016

Understanding Measurement Uncertainty in Power Measurement

The purpose of this article is to better define the different factors of measurement uncertainty, discuss their relative impact on overall uncertainty, and explain the important things to look for when picking a power meter and/or sensor. P/N: 11410-00930

Articles pdf 318.1 KB Version: A 4/4/2016

How To Select A Power Sensor

This article examines the basic technologies of power sensors, their advantages, and their disadvantages. P/N: 11410-00932

Articles pdf 513.5 KB Version: A 4/4/2016

Choosing A Power Meter: Benchtop vs. USB

What's the difference between benchtop power meters and USB power meters? This article addresses that question and provides clarification as to which meter is most appropriate to meet your particular needs. P/N: 11410-00931

Articles pdf 250.7 KB Version: A 4/4/2016

Basics Of Power Measurement - Average Or Peak?

When setting up a test system, it’s critical to know the types of measurements you want to perform in order to select the right equipment. In the world of power measurement, one can easily be confused by the different types of sensors and their varying measurement capabilities. Parsing through some of the terminology can help make the selection process easier. P/N: 11410-00929

Articles pdf 680.9 KB Version: A 4/4/2016

Power Meters and Sensors

The ML2490A series has the performance required for narrow fast rising-edge pulse power measurements (e.g. radar). The ML2480B series is suited for wide-band power measurements on signals such as LTE, W-CDMA, WLAN, and WiMAX. The ML2430A series of power meters are designed for CW applications, offering a combination of accuracy, speed and flexibility in a low cost package. With seven different families of power sensors to choose from, you can trust you’ll find the right combination for precision power measurement, whatever your application.

Brochure pdf 7.0 MB Version: F 1/30/2013

By Document Type

Measurement Uncertainty Calculator

Calculates the uncertainty of a power measurement when using Anritsu's ML2430A, ML2480B and ML2490A series power meters and MA244xD, MA247xD, MA248xD, MA249xA, MA2411B and MA2400xA power sensors. This is a form of software featured in a spreadsheet format.

Drivers Software Downloads xls 333.0 KB 4/24/2008

By Product Category

The MA2474D specifies a "rise time" of 4 us at 0 dBm room temperature but gives no definition. Can you define it?

Rise time is defined as, the time interval necessary for the power sensor to rise from 10% to 90% of the reading when the signal rises instantaneously from zero (no power) to 1 mW (0 dBm).

When I purchase a power meter sensor do I get a sensor cable with it? I noticed in your catalog that you have different power sensor cable part numbers.

Power meters include a sensor cable, and power sensors do not. The power meters are models ML2437A, ML2438A, ML2487B, ML2488B, ML2495A and ML2496A. The one input power meters (ML2437A, ML2487B and ML2495A) include one sensor cable, Anritsu part number 2000-1537-R. And the two input power meters (ML2438A, ML2488B and ML2496A) include two of the 2000-1537-R sensor cables. There are other available power sensor cables that can be purchased separately, they are:
2000-1536-R, 0.3 meter Sensor Cable
2000-1537-R, 1.5 meter Sensor Cable
2000-1538-R, 3 meter Sensor Cable
2000-1539-R, 5 meter Sensor Cable
2000-1540-R, 10 meter Sensor Cable
2000-1541-R, 30 meter Sensor Cable
2000-1542-R, 50 meter Sensor Cable
2000-1543-R, 100 meter Sensor Cable

What is the difference between the MA24xxD model sensors and the older A and B models?

New D-series Model Power Sensors were introduced in early 2005 and they replace the previous A, B and C series Power Sensors. The EEPROM used in the older A, B and C series sensors (except for the MA2411A, MA2491A and MA2492A) has been discontinued by its manufacturer. The new D-series sensors use the same EEPROM as the MA2411A, MA2491A and MA2492A sensors and because of this have the same power meter software version requirements. The D-series Power Sensors are supported by the recent release of rev 3.10 power meter software from EMD. The D-series sensors contain an EEPROM which is not compatible with previous versions of ML2430A/ML2400A software. However, the D-series sensors are compatible with all versions of the ML2480A power meter software. All power meters shipped from EMD after November 14, 2004 contain version 3.10 and are fully compatible with the A/B/C and D series sensors. Customers who received new power meters shipped after November 14, 2004 will not have to load new power meter software before they use a D-series power sensor.

How can the ML24xxA be used in a Secure Environment?

Anritsu manufactures three families of power meters: the ML2400A/30A series, the ML2480A series, and the ML2490A series. This note details how information is stored on the power meters and how it can be removed for security purposes. All families have three different types of memory device in the power meter. Flash Memory: This contains the firmware for the main processor, the firmware for the DSP, the code for the FPGA (ML2480/90A series only), the instrument type, the options fitted and the serial number. It does not contain any user information or any variables generated during the execution of the code. ML2400A/30A has 1Mbyte, ML2480A has 2Mbyte, and ML2490A has 2Mbyte of Flash Memory. The user cannot write to this memory directly, and this memory is not accessible by the user. Volatile Static RAM: This contains the DSP execution code variables. This is initialized on power up and wiped clean when powered down. For the: ML2400A/30A (it is) Internal to DSP ML2480A (it is) 1Mbyte + internal DSP memory ML2490A (it is) 1Mbyte + internal DSP memory The user cannot write to this memory directly, and it is completely cleared during power down. This memory is not accessible by the user. Non-volatile Static RAM: This is a battery backed static RAM, which is used to store both the current instrument set-up, saved instrument set-ups and the main processor code execution variables. All of the user set parameters, such as the frequency used for the cal factor, the trigger time, and which sensor is connected, are stored in these set-ups. The following are the memory sizes for NVRAM in the associated power meter: ML2400A/30A 512Kbyte ML2480A 1Mbyte ML2490A 1Mbyte The user cannot write to this memory directly, but it can be completely cleared using the secure mode procedure (see operating manual or below description). The user can store and retrieve instrument set-ups in this memory. Security information such as the cal factor frequency needs to be removed from the power meter if the power meter is moved out of the secure facility. This can be accomplished very easily by using the Secure Mode on the Power Meters. This function enables the user to completely wipe the non-volatile static RAM of all information. How the Secure Mode Works: The user sets the secure mode on the power meter. When the power meter is next turned on, the non-volatile static RAM is completely purged of all information. The power meter then sets the factory defaults for the current settings. Clearing the Non-volatile Static RAM on the ML2400A/ML2430A Series: Press System /more /more /more and then Secure. Now press Secure again so that the top line of the display reads System SECURE state Clear memory. Now switch the power off and then on again. The power meter will now power up with the non-volatile static memory completely purged. The code execution variables are also purged at power on as well. The secure state can be set over the GPIB using the following command: SECURE ON Clearing the Non-volatile Static RAM on the ML2480/90A Series: Press the hard key System (LHS) and then Service (RHS) and then toggle Secure so that the green light is active. Now switch the power off and then on again. The power meter will now power up with the non-volatile memory completely purged. The code execution variables are also purged at power on as well. The secure state can be set over the GPIB using the following command: NVSECS ON For more information on the power meters, please see the relevant manuals or contact: powermeter.support@eu.anritsu.com

What is stored in the EEPROM on the MA24xxX power sensors, and what type of EEPROM is it?

Anritsu manufactures several different families of sensors. All families have an EEPROM type of memory device in the power sensor. All A,B,C sensors (except MA2490/1 series,MA2411 series) contain a 64Kbit, 8K x 8 EEPROM All D sensors, MA2490/1, and MA2411 series sensors contain a 128Kbit,16K x 8 EEPROM EEPROM Contents: The EEPROM is used to store the following information: . Linearity data . Temperature Correction Coefficients . Sensor ID . Factory cal factor data . User cal factor table data Only the user cal factor table data can be erased without the functionality of the sensor being affected.

Where can I find information on how to erase my product's memory?

Please contact your Sales Representative or Technical Support at 1-800-ANRITSU (1-800-267-4878) for memory erasure /letter of volatility information.