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Home Ürünler Test Equipments › Categories Electrical Safety Test Equipment Ground Bond Tester
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Ground Bond Tester

Ground Bond Tester is to measure the contact resistance between the ground wire and the shell according to the principles of Ohm’s Law, which provides a current to the contact point as follows, current and voltage values ​​can be tested, the resistance value can be calculated according to Ohm’s Law.

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SKU: MT-9930AE Category: Electrical Safety Test Equipment
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Description

Ground Bond Tester is to measure the contact resistance between the ground wire and the shell according to the principles of Ohm’s Law, which provides a current to the contact point as follows, current and voltage values ​​can be tested, the resistance value can be calculated according to Ohm’s Law.

Ground Resistance Testing

Ground resistance testing is to measure contact resistance between the appliance ground wire and shell based on principles of Ohm Law, which as following, offer a current to contact point, the current and voltage values can be tested, resistance value can be calculate according to Ohm Law. lf the contact resistance of the grounding line can through harsh environment test and under condition of normal use, the appliance should be security.

Every product has its own technical specifications, according to security requirements, a constant current should be offered to contact point and the current must be maintained far a required time, if the contact point resistance is maintained in a required range within required time, operation can be processed under normal conditions, proper design and construction will protect users from the threat of accidental shock.

Although you can use a general resistance meter to test the contact resistance, resistance meter only can output a low current, which can’t meet the security requirements and get recognized. The user will often touch to the appliance, most of security inspection requires 25 amps, except CSA, requires 30 amps, alsa, current must last 60 seconds, and resistance within 1OOmO.

Far appliance user is not easy to touch, the specifications usually more broad, generally, 1O amps far current, and contact resistance within 500m0, while time is recognized as 60 seconds. in the world, there is still some specifications higher than the above criteria.

in security requirements, contact resistance of ground wire need to be tested firstly (special requirements), only contact resistance meet ruled requirements, dielectric withstand test can be processed.

Ground Resistance Tester has AC & DC output form, both can test the resistance aut correctly, but the destructive to poor contact point is significantly different duo to resistance value is calculated on

Ground Bond Tester Parameters

Model MT-9930A
input lnput voltage 220VAC±10%
lnput Frequency 47Hz~ 63Hz
Fuse 5A/250VAC
output Output

Range

Current 10A ~ 60A
Output

Accuracy

Current ± (2% setting value +5 dgts)
Output

Resolution

Current 0.01A
Output Max. Rated

Power

360VA (6V60A)
Output

Voltage

Max. 6V
Output

Ripple

Voltage While full load <300mVp-p
Current Stability ±1.0%
current screen Display Range 10A ~ 60A
Display Resolution 0.01A
TestAccuracy ±(0.5% display value+5 dgts)

 

resistance indicator Display Range O.OOun        600.00mn
Display Resolution 0.01mn     C 600.00mn        100.00mn ) ;

0.001mn   ( 99.999mn         1O.OOO mn ) ;

0.1un       ( 9.9999mn         1.0000mn) ;

0.01un     ( 999.99un         O.OO un ) ;

TestAccuracy ± (0.5% display value+5 dgts)
resistance high limit setting Setting Range O       600.00mn    C 1 O.OOA     20.00A) ;

O       300.00mn    ( 20.01A        30.00A) ;

O       200.00mn     ( 30.01A        40.00A) ;

O        150.00mn    ( 40.01A        50.00A) ;

O        120.00mn    ( 50.01A        60.00A) ;

Display Resolution 0.01mn     ( 600.00mn         100.00mn ) ;

0.001mn   C 99.999mn        1o.ooomn ) ;

0.1un       ( 9.9999mn         1.0000mn) ;

0.01un     C 999.99un         O.O oun ) ;

TestAccuracy ± (0.5% Setting value +5 dgts)
resistance lower limit setting Setting Range O      600.00mn   ( 1O.OOA      20.00A) ;

O      300.00mn    ( 20.01A       30.00A) ;

O      200.00mn     ( 30.01A       40.00A) ;

O      150.00mn    ( 40.01A       50.00A) ;

O 120.00mn ( 50.01A 60.00A) ;

Display Resolution 0.01mn     C 600.00mn        100.00mn ) ;

0.001mn ( 99.999mn         10.000mn ) ;

0.1un       ( 9.9999mn         1.0000mn ) ;

0.01un     C 999.99un         o.ooun ) ;

TestAccuracy ± (0.5% setting value +5 dgts)
test time 0.5S        999.9S ( 0.0S continuous testing)
Time Resolution 0.1S
Time Accuracy ±(0.1% setting value +0.05 S)
Dimension ( Width*Height*Deepth ) 280mmx 100mmx345mm
Weight 4Kg
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gorund bond tester

Ground Bond Tester