Specifications
1.1 SIGNAL SOURCE
Range
Maximum display
Maximum resolution
Test accuracy
0~120KΩ
120KΩ
0.1KΩ
5%±2KΩ
1.2 CLAMP TABLE ACCURACY
Range
Maximum display
Maximum resolution
Test accuracy
0.1mA~1200mA(50HZ)
1200mA
0.1mA
±2%±5dgt
0.1mA~200mA(22HZ)
200mA
0.1mA
±2%±5dgt
2.1 TECHNICAL SPECIFICATIONS OF SIGNAL SOURCE
Output AC detection current
0~40±2mA
Output AC detection voltage
0~3kV
Output DC ground impedance current
0~36±2mA
Output DC ground impedance voltage
0~2.7kV
Calibration impedance current accuracy
± 1.0mA
AC detection signal output accuracy
± 1.0mA
Output Power
Effective maximum output power 95W
Measuring range
Grounding resistance ≤ 120kΩ
Detection line length
≤ 100km
Ground impedance measurement
0~120 kW
Ground impedance measurement accuracy
5%±2kOH
Signal loop opening road protection time
≤5S
Signal output loop integrity detection protection time
≤5S
Detecting signal fluctuations to the police limits
±2mA
Open road recognition current limits
±2mA
Low-rate alarm
24.5V
Discharge
23V
No operation automatic power off time
0.5 ~ 10min
Display mode
Display, backlight function
The rated work voltage
25.9VDC
Working voltage range
23-29.4V
Battery capacity
29.4V/9AH
Power maintenance time
Maximum power output > 1.2 hours
Working temperature
5 ℃ ~ 45 ℃
Device size (MM)
L465*W345*H185
Device weight
Signal source 9.65kg
2.2 SPECIFICATIONS FOR PLIERS AND RECEIVERS
Detection method
Die-shaped CT, Points Method
transfer method
433MHz wireless RF transmission, the transmission distance is about 30m
LCD size
62mm×44mm
Device size
100mm × thickness 35mm × height 204mm
Jaw size
Φ 50mm
Measuring range
0.1mA ~ 1200A (50Hz) / 0.1 mA ~ 200 mA (22Hz)
Sampling frequency
2 times/second
Resolution
0.1MA
Test accuracy
± 2%± 5dgt (23 ℃± 5 ℃, below 80%RH)
data storage
In 200 groups, the “MEM” symbol indicator in the storage procedure, the “Full” symbol flashing shows that the storage is full
Line voltage
Wiring does not exceed 35kV (operating with insulating rod)
Data keep
Press the HOLD key in the detection mode to keep the data, display the “HOLD” symbol, and then press the HOLD key to remove
Data review
“MR” symbol indicator, can read the data stored up and down
Excess range overflow display
“OL a” symbol display
No signal indication
When the hand copied device does not receive the emitter signal, the “no signal ——” symbol is dynamically displayed
Automatic shut-down
If it is not tested for about 15 minutes, the device is automatically shut down automatically
power supply
DC6V 4 alkaline battery, wireless reception: 5th verse 1.5V5 alkaline battery
battery voltage
When the battery voltage is lower than 5.4V, the battery voltage symbol “” is displayed, reminding the battery
Device weight
The total weight of the tong table and the handwriter is 2.5kg (including the insulating rod and the battery)
The temperature and humidity of the working environment
-10 ℃ ~ 40 ℃; below 80%RH
Stop environmental temperature and humidity
-10 ℃ ~ 60 ℃; below 70%RH
Disturb
No interference with 433MHz same -frequency signal
Insulation rod size
Extension of clams 0.9 meters/section (4)
Dielectric strength
AC 40KV/RMS (between the insulation rod and the tong core)
Structure
Anti -drip II type