|
Measuring function
|
Range
|
Measuring range
|
Resolving power
|
Accuracy
|
Remark
|
|
DC Voltage
|
50mV
|
-5.000mV55.000mV
|
1μV
|
0.02%+10
|
input impedance: about100MΩ
|
|
500mV
|
-10.00mV550.00mV
|
10μV
|
0.02%+2
|
|
5V
|
-0.1000V5.5000V
|
0.1mV
|
0.02%+5
|
input impedance: 1MΩ
|
|
50V
|
0.00V55.00V
|
10mV
|
0.03%+5
|
|
DC Current
|
50mA
|
-5.000mA55.000mA
|
1μA
|
0.02%+2
|
input impedance: 10Ω
|
|
OHM
|
500Ω About 1mA exciting
|
0.00Ω550.00Ω
|
0.01Ω
|
0.02%+0.1Ω
|
Plough voltage:about 2.5V not including the accuracy of down-lead resistance
|
|
5KΩ About 0.1mA exciting
|
0.0000 KΩ5.5000KΩ
|
0.1Ω
|
0.02%+0.5Ω
|
|
Frequency
|
100Hz
|
2Hz110.0Hz
|
0.1Hz
|
±2
|
input impedance: 100 kΩ or more Square wave at least 1Vp-p 50% duty cycle
|
|
1KHz
|
0.100KHz1.100KHz
|
1Hz
|
|
10KHz
|
0.10KHz11.0KHz
|
0. 1KHz
|
|
Thermocouple
|
R
|
-40°C1760°C
|
1°C
|
-4500 : 1.8 501760 : 1.5
|
Adopt ITS-90 thermometric scale not including the accuracy of inner temperature compensatory error
|
|
S
|
-20°C1760°C
|
|
K
|
-200°C950°C
|
0.1°C
|
-2000 : 1.2 01370 : 0.8
|
|
E
|
-200°C500°C
|
-2000 : 0.9 01000 : 1.5
|
|
J
|
-200°C700°C
|
-2000 : 1.0 01200 : 0.7
|
|
T
|
-200°C400°C
|
-2000 : 1.0 0400 : 0.7
|
|
N
|
-200°C1000°C
|
-2000 : 1.5 01300 : 0.9
|
|
B
|
400°C1800°C
|
1°C
|
400800 : 2.2 8001000 : 1.8 10001800 : 1.4
|
|
Thermo resistance
|
PT100
|
-200°C700°C
|
0.1°C
|
-2000 : 0.5 0400 : 0.7 400850 : 0.8
|
PT100-385 thermometric scale not including the accuracy of down-lead resistance
|
|
PT1000
|
-200°C630°C
|
-200100 : 0.22 100300 : 0.3 300630 : 0.4
|
|
Cu50
|
-50°C150°C
|
-500 : 0.5 0150 : 0.7
|
|
Switch mete measure
|
About 1mA exciting
|
CLOSE / OPEN
|
|
|
|
|
Continuity test
|
500Ω About 1mA exciting
|
≤50Ω vocalism
|
0.01Ω
|
|
|
