Datasheet

Page 13
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Measurement control/navigation
Ranging Automatic or manual
Aperture time (integration time) 10 μs to 100 PLC
Offset cancelling Null, Zero correct
Digital filter Median filter (2R + 1, R = 1 to 15), moving average (1 to 100, step 1)
Math Preset and user definable expressions
Statistics Histogram View mode: mean, sigma, # of bins and # of samples
Line frequency detection Auto detect: 50 Hz or 60 Hz
Measurement indicators "---" is displayed at no data captured, "OVERFLOW" is displayed over 105% of the range, "0 Ω" is displayed at
current measurement overflow in Resistance measurement.
Front panel operation
Front panel interface 4.3" TFT color display (16,000,000 colors, 480 x 272 pixels) with keypads and rotary knob
View mode Meter view, Graph view, Histogram view and Roll view
Hardkeys Single Trigger and Run/Stop control, measurement navigation keys (Null, Filter, Math, Save and Recall),
Rotary Knob and Cursors, Ammeter Input and V Source Output control, Cancel/Local
Softkeys Function, System and Input Assist Keys
Indicators Channel (measurement) status, System status
LEDs Power (color changes when charging), Input and Output (color changes when high voltage sourcing), Battery
status (B2983A, B2987A)
Application softkey Setup Integrity Checker (optional), Data logger, Demo Slide Show, About B2987A
Meter view
Histogram view
Graph view
Roll view
Input/Output specifications
Meter input connector Three lug triaxial for ammeter on rear panel (B2981A, B2983A)
Three lug triaxial for ammeter, and three lug triaxial for voltmeter on rear panel (B2985A, B2987A)
Guard Switchable voltmeter guard available (B2985A, B2987A)
Maximum input Ammeter: 30 mA, Voltmeter: 40 V
Source output connector Two banana jacks on rear panel
Maximum common mode voltage Meter common: 500 V peak: V Source 1,000 V peak
Isolation (Meter common to chassis) > 10 GΩ, < 500 pF
Analog output 2 V for full range input, non-inverting in voltage and current measurement modes, 1 kΩ output impedance
Interlock 2.5 mm pluggable terminal block, 4 pin (mating with Phoenix Contact 1881341)
External trigger Trigger input BNC
Logic Programmable edge triggered
Min pulse width 10 μs
Trigger output BNC
Logic Programmable edge triggered
Min pulse width 10 μs