Agilent Technologies U1251A manual 5Secondary display symbols, KHz

1 Getting Started Tutorial

	The secondary display signs are explained below.
Table 1-5Secondary display symbols
LCD symbol	Description
	AC + DC
	DC
	AC
	Polarity, digits and decimal points for secondary display
kHz	Frequency units: Hz, kHz
	No ambient temperature compensation, just thermocouple measurement
ºC	Celsius ambient temperature unit
ºF	Fahrenheit ambient temperature unit
mV	Voltage units: mV, V
µmA	Current units: µA, mA, A
s	Elapsed time unit: s (second) for Dynamic Recording and 1 ms Peak Hold modes

The analog bar emulates the needle on an analog multimeter, without displaying the overshoot. When measuring peak or null adjustments and viewing fast- changing inputs, the bar graph provides a useful indication because it has quicker update rate for fast response applications.

The bar graph is not used for square wave output, frequency, duty cycle, pulse width, 4–20 mA% scale, 0–20 mA% scale and temperature measurements. When frequency, duty cycle, and pulse width are indicated on the primary display during voltage or current measurement, the bar graph represents the voltage or current value. When 4–20 mA% scale or 0–20 mA% scale is indicated on the primary display, the bar graph represents the current value and not the percentage.

14 Agilent U1251A/U1252A User’s and Service Guide