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Kafer
German test indicator

The spelling changes to Käfer with an umlaut, or Kaefer as an alternate spelling when you can't find the umlaut on your computer keyboard. The pronunciation is KAY-fur.

These quality test indicators are made in Germany with old-world craftsmanship and are an excellent alternative to the higher priced Swiss-made models.

Model K30Z (horizontal style) shown together with the 1/4" stem attachment.

These Kafer (SPI) indicators have a plastic bezel. The crystals can be replaced without any specialized tools. The contact point has a set screw like the Girodtast and some Starrett indicators. This allows you to fine-tune the calibration and keeps the contact point firmly seated.

Kafer test indicators have two adjustable ball bearings, unlike Bestest indicators which have one fixed and one adjustable bearing.

Like other, similar indicators, these indicator bodies have 3 integral dovetails and a separate 1/4" stem attachment is included. Metric models are available on request. Other manufacturers' attachments will fit easily.

Each indicator comes in a plastic box with a clear lid. This way you don't have to fumble your way through boxes to find the gage you need. Alas, they do not come with identifying serial numbers. The manufacturer guarantees their accuracy to the German DIN 2270 standard, but certificates traceable to NIST are your own responsibility.

You may want to look at our brand comparison for more information.

Repairs, should they be needed, can be performed by Long Island Indicator Service.

Graduations

Range

Dial

Bezel Ø

Point length

Model

SPI

Price

.0005"

.030"

0-15-0

1.25"

.450"

K30Z

---

119.00

.0005"

.030"

0-15-0

1.56"

.450"

K40Z

20-778-7

119.00

.0001"

.008"

0-4-0

1.56"

.490"

K46Z

20-779-5

139.00

 

You may order online by selecting any linked price category.

 

 

Kafer test indicator accuracy

 

As published by the manufacturer, where 1 µm = 0,001 mm = .00004 inch.

 

DIN symbol

0,01 mm (.0005")

0,002 mm (.0001")

deviation

fe

10 µm

3 µm

total deviation

fges

13 µm

4 µm

hysteresis

fu

3 µm

2 µm

repeatability

fw

3 µm

1,5 µm

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This page's most recent revision: 28 September 2007
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