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