
15
Overview
θd
-179.99°
~
179.99°
θr
-3.1416
~
3.1416
%
-999.9%
~
999.9%
2.3
Test Signal
2.3.1
Test Signal Frequency
AT824: 100Hz, 120Hz and 1 kHz
AT825: 100Hz, 120Hz, 1 kHz and 10 kHz
AT826: 100Hz, 120Hz, 1 kHz, 10 kHz and 100 kHz
Frequency: Accuracy: 0.02%
2.3.2
Test Signal Level
0.6Vrms Accuracy:
±
10%±2 mV
2.3.3
Output Impedance
100Ω, Accuracy: 5%
2.4
Main Functions
2.4.1
Correction
OPEN/SHORT correction:
Eliminates measurement errors due to stray parasitic impedance in the test
fixtures.
2.4.2
Comparator (Sorting Function)
One set of comparator sorting for primary parameters.
2.4.3
System Setup
Keypad Lock Function
Data Hold Function
Switch in Both Chinese and English
Data File will Be Saved Automatically
Touch Screen Setup
Power Saving Mode
2.4.4
Interface
USB Host Port:
USB high-speed mode: 48 MHz, USD-HID Protocol, ASCII Transit.