Agilent N6785A, Keysight N6785A, HP N6785A
Source / Measure Unit for Battery Drain Analysis

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Product Overview

RENT KEYSIGHT N6785A

Measuring static current accurately can be a challenge. Measuring dynamic currents from nA to A is an even greater challenge. Depending on the level of current, a different precision measurement resistor must be used, representing a measurement range in the power supply.

The Keysight N6785A Source/Measure Unit for Battery Drain Analysis has multiple current measurement ranges, making it tuned to measure the different operating states of a device; off-, sleep-, standby-, and transmit-mode. Another exclusive feature called “seamless measurement ranging.” When you enable this feature, as the current drawn by the device under test (DUT) changes, the SMU automatically and instantaneously detects which current measurement range will return the most precise measurement and changes to that range seamlessly. When combined with the SMU’s built-in 18-bit digitizers, seamless measurement ranging enables unprecedented effective vertical resolution of ~28-bits. This provides unrivaled productivity gains and insights into power consumption never possible before. The N6785A SMU lets you visualize current drain from nA to A in one pass and one picture unlocking insights to deliver exceptional battery life.

The Keysight N6785A offers the features necessary to accurately capture the power consumption of portable, battery-powered devices, up to 80W. When used with the Keysight 14585A software, the N6785A becomes an even more powerful battery drain analysis solution offering even further insights into your measurements. Whether the DUT is an e-Book reader, MP3 player, mobile phone, “phablet,” tablet, or pacemaker, the N6785A’s seamless measurement ranging, programmable output resistance, and auxiliary DVM combine to be the only solution on the market that helps you deliver exceptional battery life.

• Deliver exceptional battery life with insight into your device’s power consumption you can get nowhere else
• Measure all modes of operation simultaneously, no need to change measurement ranges with seamless, dynamic measurements down to nA and μV
• More accurately emulate performance of a battery with internal resistance of a battery using the programmable output resistance of the N6785A.
• Perform tests with the actual battery – monitor your battery’s voltage with the built-in auxiliary voltage measurement system while using the SMU’s ammeter mode (zero-burden current shunt) to perform real-world battery rundown tests
• Easily make sense of your measurements – scope, data logger, and complementary cumulative distribution function (CCDF) statistical analysis all help you understand what you’ve measured

Specifications of the Keysight N6785A SMU include:

Output ratings:

• Voltage: 20 V / 15 V / 10 V / 6 V
• Current: ± 4 A / ± 5 A / ± 6.7 A / ± 8 A
• Power: Up to 80 W

Output voltage ripple & noise (PARD) from 20 Hz – 20 MHz:

• CV peak-to-peak: 15 mV
• CVrms: 1.5 mV

Programming accuracy (at 23°C ± 5°C after 30 minute warm-up. Applies from min. to max. program):

• Voltage, 20 V, 15 V, 10 V, and 6 V ranges: 0.025% + 1.8 mV
• Current, 4 A, 5 A, 6.7 A, and 8 A ranges: 0.04% + 1.4 mA

Measurement accuracy (at 23°C ± 5°C)

• Voltage, 20 V range: 0.025% 1.8 mV
• Current, 8 A range: 0.04% + 1.5 mA
• Current, 100 mA range: 0.025% + 10 µA
• Current, 1 mA range: 0.025% + 100 nA

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