Handheld multimeter logs data
-- Test & Measurement World, 10/1/2007 2:00:00 AM
Fluke’s 287 digital multimeter (DMM) can store up to 10,000 readings and lets you download data through its optically isolated serial port that connects to a PC’s USB port. It can record multiple logging sessions, eliminating the need to download data after each session. You can plot logged data on the 287’s 1/4 VGA screen, or you can display measurements such as volts along with minimum, maximum, and average readings.
The meter features a 50,000-count backlit display that measures DC and true-RMS AC current and voltage, resistance, diode check, capacitance, frequency, duty cycle, and pulse width. The 287 has a 100-kHz AC bandwidth, and it can measure current up to 10 A (20 A for 30 s). As a capacitance meter, the 287 has a low-impedance input mode so it can dissipate the charge in a capacitor, thus providing a true reading.
Basic DC accuracy is 0.025% with true-RMS AC accuracy of 0.4%. Its 500.00-Ω resistance-measurement range lets you measure resistance with 10-mΩ resolution.
Price: $499.95. Fluke, www.fluke.com.
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