Tonghui TH2822 - Page 86

85
TH2822A/C 1%，5% ， 10% ， 20%
Input Protection Fuse 0.1A / 63V
Interface Mini-USB (virtual serial port)
Test Signal
Signal
Frequency
TH2822 100Hz,*120Hz,1kHz
TH2822A 100Hz,*120Hz,1kHz,10kHz
TH2822C
100Hz,*120Hz,1kHz,10kHz,
100kHz
Test Signal Level 0.6Vrms
Output Impedance 100Ω
Display
Display LCD primary-secondary dual display
Backlight
(not available for
TH2822)
Battery supply: when backlight is on,
luminance is reduced by half 15s later
and automatically turned off 30s later.
Powered by adapter: backlight off until
manually turned off
Readings
Max. Counts of Primary Parameter:
40,000; D / Q / θ Min. resolution of
secondary parameter: 0.0001.
Basic Accuracy
0.25%
（see accuracy specifications for
details
）
Primary Range and
Resolution
See Accuracy Specifications
Secondary Range for Display Resolution