Tonghui TH2840 Series - Test Signal Level; Output Impedance; Monitor for Test Signal Level; Maximum Measurement Display Range

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8.2.3 Test signal level
Mode
Range
Accuracy
Resolution
Voltage
Normal
constant
level
5mV
RMS
—2V
RMS
10mV
RMS
—1V
RMS
±（10%×preset value+2mV）
±（6%×preset value+2mV）
100μV
Current
Normal
constant
current
5OμA
RMS
—20mA
RMS
100μA
RMS
—10mA
RMS
±（10%×preset value+ 10μA
RMS
）
±（6%×preset value+ 10μA
RMS
）
1μA
8.2.4 Output impedance
30Ω±4% and 100Ω ±2% are selectable.
8.2.5 Monitor for test signal level
Mode
Frequency
Range
Accuracy
Voltage
≤1MHz
5mV
RMS
—20V
RMS
±（3%×reading +0.5mV）
>1MHz
5mV
RMS
—15V
RMS
±（6%×reading +0.5mV）
Voltage
≤1MHz
50μA
RMS
—20mA
RMS
±（3%×reading +5μA）
>1MHz
50μA
RMS
—15mA
RMS
±（6%×reading +5μA）
8.2.6 Maximum measurement display range
Parameter
Measurement display range
L、Lk
0.00001μH ～ 99.9999kH
C
0.00001pF ～ 9.99999F
Z、R、X、DCR
0.00001Ω～ 99.9999MΩ
Y、B、G
0.00001μs ～ 99.9999S
D
0.00001 — 9.99999
Q
0.00001 — 99999.9
θ
Deg -179.999°～179.999°
Rad -3.14159 ～ 3.14159
Turns Ratio
1：0.001—1000：1
8.2.7 DC bias voltage source
0V— ± 40V Minimum resolution: 0.5mV, Accuracy: 1%xpreset voltage+5mV
0mA—± 100mA Minimum resolution: 5μA