Chi tiết sản phẩm

Chức năng dùng để đo điện trở tiếp xúc máy cắt, điện trở dây và cáp điện, mối hàn...
Dải đo: 0.01uΩ～80mΩ
Dòng điện: 25, 50, 100, 200 A
Độ chính xác: 0.5%RD~ 1%RD (tùy dải)
Độ phân giải: 0.01uΩ, 1uΩ, 10uΩ
Bộ nhớ 256 bộ
Điện áp vào: AC220V±10%,50HZ ± 2%
Cấp bảo vệ: IP67
Kích thước: 365*165*310mm
Trọng lượng: ＜8kg（exclude leads bag）
Kiểm tra liên tục và theo thời gian có thể tùy chỉnh
Chi tiết
GDHL-200 Automatic Contact Resistance Tester is designed to measure circuit contact resistance of high/low voltage switch,power cable and wires, and weld joint. It is suitable for high current, micro resistance measurement. This product is widely used in electrical manufacturing department, power operation department, research institute and universities.

Application
High,middle and low voltage circuit breakers
High,middle and low voltage disconnecting switches
High-current bus bar joints
Cable&Welding joints
It is suitable for high current, micro ohm measurement.

Features
Output high-current continuously.
Four current positions, and one customized current position for option.
Two test models: Routine test and Switch Resistance Test.
Test time can be customized.
High speed thermal printer.
Interface friendly, can display resistance, current, voltage, time, status and notes. High intelligence and good safety.
Data storage and history data browsing functions, 256 sets of data can be saved.
The number of test sample and operator can be set, easy to classify the test results.
Connection diagrams and cautions.
History data and switch resistance value can be inquired.
Large measuring range and can be customized.
Ambient and internal temperature can be test to protect the instrument.
Standard resistance value is set, to calculate the deviation and compare the test resistance value with standard value.
RS232 interface. (reserved)


Specifications
Input voltage: AC220V±10%,50HZ ± 2%
Working temperature: -10～+50℃
Test temperature: 15~25℃
Storage temperature: -20℃～70℃
Relative Humidity: ≤85%RH without dew
Cooling by air
Protection: IP67
Insulation performance:＞20MΩ to ground
Overall dimension: 365*165*310mm
Weight: ＜8kg（exclude leads bag）
Continuity test and test time to be customized.
Portable
GDHL-200
Current（A）
Measuring range
Accuracy
Max.resolution
25
0.01uΩ～80mΩ
0.01uΩ～49.99uΩ
1.0%RD+0.2%FS
0.01uΩ
50.00uΩ～7.999mΩ
0.5%RD+0.1%FS
0.01uΩ
8.000mΩ～80mΩ
1.0%RD+0.2%FS
10uΩ
50
0.01uΩ～40mΩ
0.01uΩ～4.99uΩ
1.0%RD+0.2%FS
0.01uΩ
5.00uΩ～3.999mΩ
0.5%RD+0.1%FS
0.01uΩ
4.000mΩ～40mΩ
1.0%RD+0.2%FS
1uΩ
100
0.01uΩ～20mΩ
0.01uΩ～1.999mΩ
0.5%RD+0.1%FS
0.01uΩ
2.000mΩ～20mΩ
1.0%RD+0.2%FS
1uΩ
200
0.01uΩ～10mΩ
0.01uΩ～999.99uΩ
0.5%RD+0.1%FS
0.01uΩ
1.000mΩ～10mΩ
1.0%RD+0.2%FS
1uΩ