20
7.1.3 Hardware range
Voltage range and current range can be controlled in two ranges, modes: automatic, manual
(hold, increase, decrease)
There are 4 voltage ranges, as detailed in the table below:
JK9306 voltage range
Range
number
0
1
2
3
4
Voltage range
75V
150V
300V
600V
U-Auto
The current range is divided into 7 according to the specific model, see the following table for
details:
Range
number
0
1
2
3
4
5
6
7
Range
1mA 3mA
10mA
40mA
150mA 500mA 2A
I-Auto
Note: If you are measuring at a fixed range, you must choose a suitable range, otherwise the
measurement accuracy will be affected.
7.2 Instrument parameters
7.2.1 Overview of overall parameters:
Wiring method
single phase
Display
LED digital screen display
Measurement items
Voltage V, current A, active power W, power factor PF, frequency Hz
Measurement form
True rms
Voltage range
2V ~ 600V AC (automatic range switching), peak voltage: 700V AC
Current range
0.05mA ~ 10A AC (automatic range switching), peak current: 12A AC
Power range
0.001W~6kW
Power factor range
0.001~1.000
Calculation method: Watt (W)
÷
[Voltage (V) * Current (A)] = Power
Factor (PF
Frequency range
40~400Hz
Basic accuracy
±
(0.4% of r 0.1 range)
Measurement speed:
0.1S,0.25S,0.5S,1S,2S,5S
Input impedance
About
2M
Ω
(all voltage levels)
Power supply
100~240V AC 45-440Hz
，
100-300V DC
Volume and weight
Instrument size
：
355mm*225mm*112mm,
length * width * height
Opening size
：
225mm*99mm,
width * height, weight about
1.7Kg
Communication
interface
Standard RS232 or RS485, optional relay output function
Accessories
Power cord, warranty card, instruction manual, communication cable,
software CD
