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TD1400 Loop Resistance Tester

TD1400 is a portable instrument dedicated to measuring the loop resistance and contact resistance of switches, circuit breakers, copper-aluminum busbars and other equipment, with an accuracy of Class 0.2/ Class 0.5 available.
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TD1400 Loop Resistance Tester

TD1400 Loop Resistance Tester

1. Summary

TD1400 is a portable instrument dedicated to measuring the loopresistance andcontact resistanceof switches, circuit breakers, copper-aluminum busbars and other equipment, with an accuracy of Class 0.2/ Class 0.5 available.


2. Features

Resistance measurement range: 0.01 mΩ ~ 180 mΩ;

Support long-term output of 2A~100A (optional 200A) DC current.

LCD touch screen

Built-in micro printer for on-site printing of test results.

Can work under -20°C ~ 45°C ambient conditions.

Supports AC (198 V ~ 253 V) wide voltage input range.

RS232 interface.


☆ Measure loop resistance / contact resistance

TD1400 Loop Resistance TesterMeasure loop resistance / contact resistance

With a built-in constant current source, the instrument can continuously output 100 A (200A selection) large current;

The four-wire wiring method can effectively eliminate the measurement error caused by the resistance of the test wire; 

It has a combination of voltage and current test wire.


3. Characteristics

☆ High stability constant current source

TD1400 Loop Resistance Tester High stability constant current source

The instrument adopts the design principle of closed-loop negative feedback system, which can feedback and adjust the output power value in real time to ensure real-time stability.

•The typical stability of the DC current output is 0.02%/min.



4. Specifications

Test the current


Resistance measurement range


Resolution


Measurement uncertainty (k=2) (%*RD + μΩ) [1].

Class 0.5

Class 0.2

20 A

0 ~ 180 mΩ

10 mΩ

0.5 + 10

0.2 + 10

50 A

0 ~ 60 mΩ

1 mΩ

0.5 + 10

0.2 + 10

100 A

0 ~ 25 mΩ

1 mΩ

0.5 + 10

0.2 + 10

200 A[2]

0 ~ 5 mΩ

0.1 mΩ

0.5 + 10

0.2 + 10

Note [1]: RD is the reading value; [2]: 200 A range is optional

Current output range: 2 A ~ 120 A (or 240A).


5. General Specifications

Power supply

AC ( 220± 22 )V,( 50±2 ) Hz

Maximum power consumption

1000 VA

Warm-up time

≥ 30 min

Temperature performance

Working temperature: -20 °C ~ 45°C

Storage temperature: -20 °C ~ 55°C

Humidity performance

Operating humidity: ( 20% ~ 85% ) R·H, no condensation

Storage humidity: < 95% R· H, no condensation

Communication interface

RS232

Quality

Approx 8 kg

Size


380 mm(W)X 260 mm(D)X 180 mm(H)

Size of TD1400 Loop Resistance Tester


6. Ordering Information

TD1400 Loop Resistance Tester Ordering Information



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