Micro-ohm meter 100A Circuit Breaker Contact Resistance Tester High Voltage Switch Resistance Tester By Chongqing Gold Mechanical,
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Micro-ohm meter 100A Circuit Breaker Contact Resistance Tester High Voltage Switch Resistance Tester Micro-ohm meter 100A Circuit Breaker Contact Resistance Tester High Voltage Switch Resistance Tester Micro-ohm meter 100A Circuit Breaker Contact Resistance Tester High Voltage Switch Resistance Tester Micro-ohm meter 100A Circuit Breaker Contact Resistance Tester High Voltage Switch Resistance Tester Micro-ohm meter 100A Circuit Breaker Contact Resistance Tester High Voltage Switch Resistance Tester
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Micro-ohm meter 100A Circuit Breaker Contact Resistance Tester High Voltage Switch Resistance Tester

600 ~ 2600 / Piece

|

1 Piece Minimum Order

Pays:

China

N ° de modèle:

GDHL-200

Prix FOB:

600 ~ 2600 / Piece Obtenir le dernier prix

Localité:

CHONGQING

Prix de commande minimale:

600 per Piece

Commande minimale:

1 Piece

Packaging Detail:

1.Wooden box with foam inside; 2.No fumigation, not influence the delivery; 3.Standard of IEC; 4.Cust

Heure de livraison:

5-7 days after signing the contract

Capacité de Fournir:

200 Piece per Month

Payment Type:

T/T, L/C, D/A, D/P, Western Union, PayPal

Groupe de produits :

-

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Personne à contacter si

Chongqing, Chongqing

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Spécification du produit

  • Brand Name: GOLD
  • Power: Electronic
  • Measuring Range: :0-1999.9ÃŽ¼ÃŽ©
  • Testing Voltage: :AC220V
  • Operating Temperature: :-10 â�ï¿&frac1
  • Accuracy Class: :0.5%RDG+0.05%FS
  • Storage Capacity: :100 groups
  • Display Mode: :LCD

La description

What is Contact Resistance? 

   **-High Precision High Voltage Switch Contact Resistance Tester Loop Diuretic Resistance Megohm Meter

Contact resistance is the resistance to current flow, due to surface conditions and other causes, when contacts are touching one another (in the closed condition of the device). This can occur between contacts of: 

· Breakers 

· Cont actors 

· Relays 

· Switches 

· Connectors 

· Other switching devices 

What is Done During Contact Resistance Testing? 

   **-High Precision High Voltage Switch Contact Resistance Tester Loop Diuretic Resistance Megohm Meter

The two common checks conducted on the contacts of a circuit breaker are the visual inspection check and the contact resistance check.  

  • 1.The Visual inspection check involves examining the contacts of the circuit breaker for any pitting marks due to arcing and worn or deformed contacts. 
  • 2.The second check is the contact resistance measurement. This involves injecting a fixed current, usually around **0A, **0A and **0 A through the contacts and measuring the voltage drop across it.This test is done with a special contact resistance measuring instrument. Then, using Ohms law, the resistance value is calculated. The resistance value needs to be compared with the value given by the manufacturer. The value should also be compared with previous records. 

Both these tests need to be done together. As there are cases of contacts having good contact resistance yet being in a damaged conditions. Thus, for a contact to be certified healthy, it needs to have a good contact resistance and should clear the visual inspection test. 
 

Product Description

   **-High Precision High Voltage Switch Contact Resistance Tester Loop Diuretic Resistance Megohm Meter

l Intelligent loop/contact resistance tester is based on the new power standard IEC****1, the use of high frequency switching power supply technology and digital circuit technology combined design.

l It is suitable for the measurement of circuit resistance of switching control equipment.

l The circuit resistance can be directly measured at the current of **0A, **0A, **0A and **0A, and the final test results are displayed digitally.

l The instrument is accurate in measurement and stable in performance, and meets the requirements of on-site maintenance of high-voltage switches in power and power supply departments and circuit resistance test in high-voltage switchgear factories.

Specification

   **-High Precision High Voltage Switch Contact Resistance Tester Loop Diuretic Resistance Megohm Meter
 

Measuring Range

*****9.9 μΩ Resolution:0.1 μΩ

Measuring Current

DC **0A, **0A, **0A, **0A for choice

Measuring Precision

0.5 %RGD*0.*5%FS

Display Mode

LCD

Data Connection

RS**2 computer interface

Rated Power Supply

AC**0V

Size

**0mm× **0mm × **0mm

Pays: China
N ° de modèle: GDHL-200
Prix FOB: 600 ~ 2600 / Piece Obtenir le dernier prix
Localité: CHONGQING
Prix de commande minimale: 600 per Piece
Commande minimale: 1 Piece
Packaging Detail: 1.Wooden box with foam inside; 2.No fumigation, not influence the delivery; 3.Standard of IEC; 4.Cust
Heure de livraison: 5-7 days after signing the contract
Capacité de Fournir: 200 Piece per Month
Payment Type: T/T, L/C, D/A, D/P, Western Union, PayPal
Groupe de produits : -

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