page 47

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Kafer travel dial indicators
(up to 4 inches of travel)

 

Kafer dial indicators are sturdy, highly accurate (within one graduation), moderately priced indicators made in Germany with old world craftsmanship. Each indicator has a serial number and the manufacturer provides a certificate of calibration which is, however, not NIST traceable.These gages are manufactured in Europe and are German DIN traceable*. You may request optional NIST certification for $45.

Features of note:

  • crystals (lens) are easily replaced by the end user without resorting to specialized tools. Remove the two tolerance markers by pulling on the tabs with needle nose pliers. The crystal falls out on its own and you simply put a new one in its place and reinsert the tolerance markers. They should all be this easy.
  • All size travel indicators (below) feature a very large counter hand which makes for quick and easy reading. You won't have to walk around with a magnifying glass dangling from your neck.

Many different distributors have had their names put on the Kafer dial indicator. The Kafer dial indicators offered here once featured the SPI vanity dial. Both the SPI ordering number and the Kafer model number are shown for cross reference.

Kafer repairs: By special arrangement with the manufacturer, Long Island Indicator Service is a repair service and importer of spare parts for the Kafer line of dial indicators, thickness gage, and depth gage.

 

Model Z2/30TA shown above has an extended range of 1.125"

 

Long Range Kafer Model Z 2/50 TA (SPI 20-782-9) with 2" travel
(This is a perfect replacement for Teclock model AI-951DA)

Please note that indicators with 8 mm diameter stems will also have metric M2.5 threads for the contact points. Indicators with 3/8" diameter stems will have 4-48 threads.

Please allow up to 4 weeks for delivery on some of these items because we import them from Germany on demand.

 

Kafer No.

Stem Ø

Grads

Range

Dial

Bezel Ø

Old SPI No.

2016 Price

Z0 2 T

8 mm

.001"

.5"

0-100

2-1/4"

126.00

Z 2/30 TA

3/8"

.001"

1.125"

0-100

2-1/4"

20-781-1

185.00

Z0 2/30 T

8 mm

.001"

1.125"

0-100

2-1/4"

185.00

Z 2/50 TA

3/8"

.001"

2"

0-100

2-1/4"

20-782-9

242.00

Z0 2/50 TA

8 mm

.001"

2"

0-100

2-1/4"

242.00

Z 2/100 TA

3/8"

.001"

4.000"

0-100

2-1/4"

20-783-7

*(1)*

GZ 80/100 TA

3/8"

.001"

4.000"

0-100

3-1/8"

20-784-5

*(2)*

Z0 3/30 T

8 mm

.0005"

1.125"

0-50

2-1/4"

185.00

Z 3/30 TA

3/8"

.0005"

1.125"

0-50

2-1/4"

20-787-8

185.00

Z 3/50 TA

3/8"

.0005"

2"

0-50

2-1/4"

20-788-6

242.00

M 2 T

8 mm

0,01 mm

10 mm

0-100

60 mm

21-771-1

see pg.122

M 2/30 T

8 mm

0,01 mm

30 mm

0-100

60 mm

21-781-0

see pg.122

M 2/50 T

8 mm

0,01 mm

50 mm

0-100

60 mm

21-782-8

see pg.122

M 2/100 T

8 mm

0,01 mm

100 mm

0-100

60 mm

21-783-6

inquire

GM 80/100 T

8 mm

0,01 mm

100 mm

0-100

80 mm

21-784-4

inquire

GM 100/30 T

8 mm

0,01 mm

30 mm

0-100

100 mm

inquire

 

You may place an online order by clicking on any linked Kafer number above.

*(1)* In our opinion these indicators are overpriced and selecting an equivalent Mitutoyo dial 4" travel indicator would be a good option. Refer to Mitutoyo model 3428S-19

*(2)* Please inquire about pricing. Delivery is 4 to 6 weeks on this special order.

 

When to use a long range indicator

 

Use long range travel indicators only if you are actually going to measure large dimensions. If you merely want to have a longer reach, then you should use a contact extension in combination with model Z2/30TA (shown at the top of this page). It will give you 1" of travel but allow you to reach further into your measured piece. Contact extensions are available on page 133.

 

Specifications of Kafer indicators

 

  • Stem diameter 3/8" on TA models and 8 mm on T models.
  • Lug back included, flat back #5.2304 optional ($15).
  • Large concentric revolution counter hand.
  • Standard contact points 4/48 on inch models and M2.5 on metric models.
  • Uniform pressure over full range of travel.

How do Kafer indicators compare to the competition? see page 14

 

Important hints on how to use the Kafer indicator

 

The manufacturer supplies the following additional information:

  • The dial indicator is an instrument of high precision and demands careful handling.
  • Blows and shocks may seriously damage the sensitive mechanism and must be avoided.
  • The shaft (spindle) must be kept clean at all times. Do not lubricate the shaft.
  • Please pay attention to the position of the hands which are initially set back by a quarter of a turn. Indicators with one or two hands are equally adjusted so as to begin measuring exactly at (the) Zero point.
  • When holding the indicator by its shaft housing (spindle) be sure clamping screw is only moderately tightened. An over-tightened clamp could jam the shaft.
  • The dial can be adjusted to each desired point by turning the knurled bezel.
  • For repair of Kafer indicators contact your local repair center (Long Island Indicator Service).
  • Complete parts inventory is maintained [by Long Island Indicator Service*].

*we have to admit that we don't have every part in stock for every model. But we do carry those parts commonly used for repair purposes. Parts not in stock can be available in 4-5 weeks.

 

Dial indicator calibration

 

Ideally you would calibrate your long range dial indicator before every use. The simplest way is to put the indicator in a stand, on a granite surface, and check the indicator's accuracy using a series of gage blocks. For complete details, please refer to page 7.

By international agreement, German DIN standards are fully acceptable in lieu of NIST standards. For details, refer to page 2.

 

Books by René Urs Meyer

The Companion Reference Book on Dial and Test Indicators … page 178
Repair Manual for Swiss-made BesTest and TesaTast Indicators … page 177
Starrett 711 Last Word Indicator Repair Manual … page 199
Interapid Indicator Repair Manual … page 208
 

www.longislandindicator.com

Long Island Indicator Service Inc
14 Sarah Drive — Hauppauge NY 11788 — USA


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This page's most recent revision: 20 JUNE 2016
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Original photographs and content copyright 2016 by JWGrum

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