Specifications
Model
ES3090
ES3090E
Maximum test current
100A
220A
Remark
–
Currents above 100A only support fast mode
Function
Various contact resistance tests such as high-voltage switches and high-voltage circuit breakers; connection resistance tests of metal welded components; various loop resistance tests such as metal conductors; precision micro-ohm resistance tests
Power supply
Built-in: DC11.1V 4200mAh
Test method
Four-wire method
Charger
14.8 V charger
Display mode
5.6-inch industrial-grade high-brightness color LCD screen
Test interface
I+ (positive current), I- (negative current), U+ (positive voltage), U- (negative voltage)
Current output
Coarse adjustment gear: ≤5A, 10A, 30A, 50A, 80A, 100A, 200A, 220A
Thin strip gear: step value 2.5A, up to 87 gears of current
Measuring range
≤5A: 100uΩ~3500mΩ; 10A: 20uΩ~200mΩ; 30A: 10uΩ~20mΩ; 50A: 2uΩ~15mΩ;
80A: 1uΩ~10mΩ; 100A: 0.1uΩ~5mΩ; 200A: 0.1uΩ~600uΩ; 220A:0.1uΩ~500uΩ
Minimum resolution
0.01μΩ
Test accuracy
Reading×0.15%+0.5 μΩ
Testing time
≤100A: Fast, 10s, 20s, 30s, 40s, 50s, 60s; >100A: Fast
Data storage
999 sets of data can be stored
Instrument size
Approx. 229 mm (length) × 166 mm (width) × 73 mm (height)
Quality
Instrument weight: about 2kg
Test line
Standard length: 3m
The current and voltage test lines are tapped at both ends. The wiring is simple and the resistance is less than 10mΩ.
Data deletion
Select the format memory option in the settings interface to delete all data
Data review
Enter the data review interface and press the up, down, left and right keys to browse the stored data.
Automatic shut-down
Have
Battery voltage
There is a battery power indicator on the instrument corner.
Backlight
Backlight adjustable brightness
Working current
The operating current under non-test conditions is 200 mA. The working current can be set by yourself in the test state.
Production Compliance
IEC61010-1, CAT III 600V, Pollution Grade 2, JJG724-1991
IP
IP45
