GDHL-200 Contact Resistance Tester (Automatic)

GDHL-200 Contact Resistance Tester (Automatic)

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