6.
Max/Min Hold Symbol
Once the max/min button is pressed, either MAX or MIN shall be displayed on LCD
7.
Units Symbols
Once a function is selected, corresponding unit (V,
Ω
, A, or Hz) shall be displayed on LCD.
8.
LCD
This is a 3 3/4 digit Liquid Crystal Display with maximum indication of 3999. Function symbols, units, bargraph,
sign, decimal points, low battery symbols, max/min symbols, and zero symbol are included.
9.
Zero/Relative Symbol
When this symbol appears, it means a reference value has been subtracted from the actual reading. The
reading shown is a offseted value. Press and hold the zero button for 2 seconds to disable this function.
10.
Low Battery Symbol
When this symbol appears, it means the battery voltage drops below the minimum required voltage. Refer to
Section V for battery replacement.
11.
Bargraph
Bargraph has forty segments. It displays segments proportional to the actual reading. Each segment
represent ten counts.
12.
Relative Button
Once this button is pressed, the current reading shall be set to zero and be used as a zero reference value for
all other subsequent measurement. The function can also be used to offset value caused by the residual
magnetism remained in the core for the DC current or wattage measurement. Once this button is pressed, the
clamp meter will change to manual mode instead of auto-range mode. The Relative function will be disabled if
Max/Min function is enabled.
Summary of Contents for NI349PR
Page 1: ...AC DC POWER CLAMP MULTIMETER NI349PR Manual...
Page 7: ...Figure 1...
Page 18: ...3 2 AC Current Measurement...
Page 20: ...3 3 DC Current Measurement...
