Identification & Construction

D

Shell dimensions

O

Metal shell projected into combustion chamber

 

 

Complies with relevant ISO standard

 

O

Does not comply with relevant ISO standard

R

Interference suppres

 

 

No interference suppression

 

R

Interference suppression

 

X

Resistor reducing electrode burn-off

15

Heat range

 

Hot

Cold

 

 

19

18

17

16

15

14

12

10

08

 

L

Spark gap design

 

 

Not projected insulator tip

 

Y

Projected insulator tip

 

L

Extremely projected insulator tip

 

T

Projected insulator tip and three ground electrodes EXTRA

 

LG

Extremely projected insulator tip and ring-shaped spark gap PREMIUM

 

Z

Two auxiliary electrodes on the insulator tip and ring-shaped electrode gap PREMIUM

 

TX

One auxiliary electrode on the insulator tip and three ground electrodes PREMIUM

 

LT

Extremely projected insulator tip and three ground electrodes EXTRA

C

Elektrode material

 

 

Nickel-alloy centre electrode

 

C

Copper cored centre electrode SUPER

 

S

Silver centre electrode SILVER

 

P

Centre electrode with platinum contact PLATIN

 

PP

Centre and ground electrode with platinum contact PLATIN

-1

Spark gap

 

 

0,4 - 0,9 mm

 

-05

0,5 mm

 

-1

1,0 - 1,1 mm

 

-3

1,3 mm

 

-X

Special

Shell Dimensions

           

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